Publications
| Title | Abstract | Year Filter | PMID(sorted ascending) Filter |
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| analysis of upland cotton (gossypium hirsutum) response to verticillium dahliae inoculation by transcriptome sequencing. | verticillium wilt is one of the main diseases in cotton (gossypium hirsutum), severely reduces yield and fiber quality, and is difficult to be con-trolled effectively. at present, the molecular mechanism that confers resistance to this disease is unclear. transcriptome sequencing is an important method to detect resistance genes, explore metabolic pathways, and study resistance mechanisms. in this study, the transcriptome of a disease-resistant inbred cot-ton line inoculated with verticillium da ... | 2015 | 26535625 |
| molecular cloning, expression analysis and subcellular localization of a transparent testa 12 ortholog in brown cotton (gossypium hirsutum l.). | transparent testa 12 (tt12) is a kind of transmembrane transporter of proanthocyanidins (pas), which belongs to a membrane-localized multidrug and toxin efflux (mate) family, but the molecular basis of pas transport is still poorly understood. here, we cloned a full-length tt12 cdna from the fiber of brown cotton (gossypium hirsutum), named ghtt12 (genbank accession no. kf240564), which comprised 1733 bp with an open reading frame (orf) of 1503 bp and encoded a putative protein containing 500 am ... | 2016 | 26548815 |
| stable integration and expression of a cry1ia gene conferring resistance to fall armyworm and boll weevil in cotton plants. | boll weevil is a serious pest of cotton crop. effective control involves applications of chemical insecticides, increasing the cost of production and environmental pollution. the current genetically modified bt crops have allowed great benefits to farmers but show activity limited to lepidopteran pests. this work reports on procedures adopted for integration and expression of a cry transgene conferring resistance to boll weevil and fall armyworm by using molecular tools. | 2016 | 26558603 |
| the cotton wrky gene ghwrky41 positively regulates salt and drought stress tolerance in transgenic nicotiana benthamiana. | wrky transcription factors constitute a very large family of proteins in plants and participate in modulating plant biological processes, such as growth, development and stress responses. however, the exact roles of wrky proteins are unclear, particularly in non-model plants. in this study, gossypium hirsutum wrky41 (ghwrky41) was isolated and transformed into nicotiana benthamiana. our results showed that overexpression of ghwrky41 enhanced the drought and salt stress tolerance of transgenic ni ... | 2015 | 26562293 |
| spectral reflectance properties of gossypium hirsutum leaves after heavy metal toxicity. | the study demonstrated a link between heavy metal induced stress and optical properties of the leaves of gossypium hirsutum. this work was conducted using the pot culture experiment. three replications and four concentrations of chromium (5%, 10%, 20% and 35%) with a control to assess the growth of plants were used. this experiment was conducted till 80 days. on 80th day the experiment was terminated and the leaves were plucked and air-dried. portion of the air-dried, powdered cotton leaves was ... | 2014 | 26563065 |
| functional characterization of ghsoc1 and ghmads42 homologs from upland cotton (gossypium hirsutum l.). | in arabidopsis flowering pathway, mads-box genes encode transcription factors, with their structures and functions highly conserved in many species. in our study, two mads-box genes ghsoc1 and ghmads42 (gossypium hirsutum l.) were cloned from upland cotton ccri36 and transformed into arabidopsis. ghsoc1 was additionally transformed into upland cotton. comparative analysis demonstrated sequence conservation between ghsoc1 and ghmads42 and genes of other plant species. tissue-specific expression a ... | 2016 | 26566835 |
| integrated mapping and characterization of the gene underlying the okra leaf trait in gossypium hirsutum l. | diverse leaf morphology has been observed among accessions of gossypium hirsutum, including okra leaf, which has advantages and disadvantages in cotton production. the okra leaf locus has been mapped to chromosome 15 of the dt subgenome, but the underlying gene has yet to be identified. in this study, we used a combination of targeted association analysis, f2 population-based fine mapping, and comparative sequencing of orthologues to identify a candidate gene underlying the okra leaf trait in g. ... | 2016 | 26567355 |
| a and d genomes spatial separation at somatic metaphase in tetraploid cotton: evidence for genomic disposition in a polyploid plant. | chromosomal dispositions were analyzed on the metaphase plate of tetraploid cotton (aadd). at metaphase, the two subgenomes, a and d, were separated in a radial pattern in which the small d subgenome chromosomes tended to concentrate at the center and the large a subgenome chromosomes were scattered about the periphery on the metaphase plate. although the ordered chromosome arrangement was disturbed in an artificial hexaploid (aaddgg), the separation pattern could be recovered after the majority ... | 2015 | 26568399 |
| transcriptome analysis of cotton (gossypium hirsutum l.) genotypes that are susceptible, resistant, and hypersensitive to reniform nematode (rotylenchulus reniformis). | reniform nematode is a semi-endoparasitic nematode species causing significant yield loss in numerous crops, including cotton (gossypium hirsutum l.). an rna-sequencing analysis was conducted to measure transcript abundance in reniform nematode susceptible (dp90 & sg747), resistant (barbren-713), and hypersensitive (lonren-1) genotypes of cotton (gossypium hirsutum l.) with and without reniform nematode infestation. over 90 million trimmed high quality reads were assembled into 84,711 and 80, 35 ... | 2015 | 26571375 |
| stable transformation and expression of ghexpa8 fiber expansin gene to improve fiber length and micronaire value in cotton. | cotton fiber is multigenic trait controlled by number of genes. previous studies suggest that one of these genes may be responsible for switching cotton fiber growth on and off to influence the fiber quality produced from a cotton seed. in the present study, the gossypium hirsutum ghexpa8 fiber expansin gene was introduced into local cotton variety niab 846 by using an agrobacterium-mediated gene transformation. the neomycin phosphotransferase (nptii) gene was used as a selection marker for scre ... | 2015 | 26583018 |
| pseudomonas induces salinity tolerance in cotton (gossypium hirsutum) and resistance to fusarium root rot through the modulation of indole-3-acetic acid. | abiotic stresses cause changes in the balance of phytohormones in plants and result in inhibited root growth and an increase in the susceptibility of plants to root rot disease. the aim of this work was to ascertain whether microbial indole-3-acetic acid (iaa) plays a role in the regulation of root growth and microbially mediated control of root rot of cotton caused by fusarium solani. seed germination and seedling growth were improved by both nacl and mg2so4 (100 mm) solutions when treated with ... | 2015 | 26587006 |
| susceptibility to insecticides and activities of glutathione s-transferase and esterase in populations of lygus lineolaris (hemiptera: miridae) in mississippi. | lygus lineolaris (palisot de beauvois) is a serious pest of cotton (gossypium hirsutum l.) in mississippi, particularly in the delta region. this may be due to decreased insecticide susceptibility in that region. research has revealed populations of l. lineolaris in the delta region with high levels of insecticide resistance; however, comparisons with populations in the remainder of the state are limited. | 2016 | 26598042 |
| virus-induced gene silencing in cultivated cotton (gossypium spp.) using tobacco rattle virus. | the study described here has optimized the conditions for virus-induced gene silencing (vigs) in three cultivated cotton species (gossypium hirsutum, g. arboreum, and g. herbaceum) using a tobacco rattle virus (trv) vector. the system was used to silence the homolog of the arabidopsis thaliana chloroplastos alterados 1 (atcla1) gene, involved in chloroplast development, in g. herbaceum, g. arboreum, and six commercial g. hirsutum cultivars. all plants inoculated with the trv vector to silence cl ... | 2016 | 26603442 |
| transformation and evaluation of cry1ac+cry2a and gtgene in gossypium hirsutum l. | more than 50 countries around the globe cultivate cotton on a large scale. it is a major cash crop of pakistan and is considered "white gold" because it is highly important to the economy of pakistan. in addition to its importance, cotton cultivation faces several problems, such as insect pests, weeds, and viruses. in the past, insects have been controlled by insecticides, but this method caused a severe loss to the economy. however, conventional breeding methods have provided considerable break ... | 2015 | 26617613 |
| partial dominance, overdominance and epistasis as the genetic basis of heterosis in upland cotton (gossypium hirsutum l.). | determination of genetic basis of heterosis may promote hybrid production in upland cotton (gossypium hirsutum l.). this study was designed to explore the genetic mechanism of heterosis for yield and yield components in f2: 3 and f2: 4 populations derived from a hybrid 'xinza no. 1'. replicated yield field trials of the progenies were conducted in 2008 and 2009. phenotypic data analyses indicated overdominance in f1 for yield and yield components. additive and dominance effects at single-locus l ... | 2015 | 26618635 |
| the genome sequence of sea-island cotton (gossypium barbadense) provides insights into the allopolyploidization and development of superior spinnable fibres. | gossypium hirsutum contributes the most production of cotton fibre, but g. barbadense is valued for its better comprehensive resistance and superior fibre properties. however, the allotetraploid genome of g. barbadense has not been comprehensively analysed. here we present a high-quality assembly of the 2.57 gigabase genome of g. barbadense, including 80,876 protein-coding genes. the double-sized genome of the a (or at) (1.50 gb) against d (or dt) (853 mb) primarily resulted from the expansion o ... | 2015 | 26634818 |
| constitutive expression of the tzs gene from agrobacterium tumefaciens virg mutant strains is responsible for improved transgenic plant regeneration in cotton meristem transformation. | key message : virg mutant strains of a nopaline type of agrobacterium tumefaciens increase the transformation frequency in cotton meristem transformation. constitutive cytokinin expression from the tzs gene in the virg mutant strains is responsible for the improvement. strains of agrobacterium tumefaciens were tested for their ability to improve cotton meristem transformation frequency. two disarmed a. tumefaciens nopaline strains with either a virgn54d constitutively active mutation or virgi77v ... | 2016 | 26650837 |
| transposable elements play an important role during cotton genome evolution and fiber cell development. | transposable elements (tes) usually occupy largest fractions of plant genome and are also the most variable part of the structure. although traditionally it is hallmarked as "junk and selfish dna", today more and more evidence points out te's participation in gene regulations including gene mutation, duplication, movement and novel gene creation via genetic and epigenetic mechanisms. the recently sequenced genomes of diploid cottons gossypium arboreum (aa) and gossypium raimondii (dd) together w ... | 2016 | 26687725 |
| microarray-based large scale detection of single feature polymorphism in gossypium hirsutum l. | microarrays offer an opportunity to explore the functional sequence polymorphism among different cultivars of many crop plants. the affymetrix microarray expression data of five genotypes of gossypium hirsutum l. at six different fibre developmental stages was used to identify single feature polymorphisms (sfps). the background corrected and quantile-normalized log2 intensity values of all probes of triplicate data of each cotton variety were subjected to sfps call by using sam procedure in r la ... | 2015 | 26690522 |
| promoter isolation and characterization of ghao-like1, a gossypium hirsutum gene similar to multicopper oxidases that is highly expressed in reproductive organs. | cotton is one of the most economically important cultivated crops. it is the major source of natural fiber for the textile industry and an important target for genetic modification for both biotic stress and herbicide tolerance. therefore, the characterization of genes and regulatory regions that might be useful for genetic transformation is indispensable. the isolation and characterization of new regulatory regions is of great importance to drive transgene expression in genetically modified cro ... | 2016 | 26692462 |
| delineating the glycoproteome of elongating cotton fiber cells. | the data presented here delineates the glycoproteome component in the elongating cotton fiber cells attained using complementary proteomic approaches followed by protein and n-linked glycosylation site identification (kumar et al., 2013) [1]. utilizing species specific protein sequence databases in proteomic approaches often leads to additional information that may not be obtained using cross-species databases. in this context we have reanalyzed our glycoproteome dataset with the gossypium arbor ... | 2015 | 26693171 |
| polyamine and its metabolite h2o2 play a key role in the conversion of embryogenic callus into somatic embryos in upland cotton (gossypium hirsutum l.). | the objective of this study was to increase understanding about the mechanism by which polyamines (pas) promote the conversion of embryogenic calli (ec) into somatic embryos in cotton (gossypium hirsutum l.). we measured the levels of endogenous pas and h2o2, quantified the expression levels of genes involved in the pas pathway at various stages of cotton somatic embryogenesis (se), and investigated the effects of exogenous pas and h2o2 on differentiation and development of ec. putrescine (put), ... | 2015 | 26697030 |
| atrav1 and atrav2 overexpression in cotton increases fiber length differentially under drought stress and delays flowering. | there is a longstanding problem of an inverse relationship between cotton fiber qualities versus high yields. to better understand drought stress signaling and adaptation in cotton (gossypium hirsutum) fiber development, we expressed the arabidopsis transcription factors related_to_aba-insensitive3/viviparous1/(rav1) and atrav2, which encode apetala2-basic3 domain proteins shown to repress transcription of flowering_locus_t (ft) and to promote stomatal opening cell-autonomously. in three years o ... | 2015 | 26706061 |
| partial dominance, overdominance, epistasis and qtl by environment interactions contribute to heterosis in two upland cotton hybrids. | based on two recombinant inbred line (ril) populations, two corresponding backcross (bc) populations were constructed to elucidate the genetic basis of heterosis in upland cotton (gossypium hirsutum l.). the yield, and yield components, of these populations were evaluated in three environments. at the single-locus level, 78 and 66 quantitative trait loci (qtl) were detected using composite interval mapping in ril and bc populations, respectively, and 29 qtl were identified based on mid-parental ... | 2015 | 26715091 |
| breeding potential of introgression lines developed from interspecific crossing between upland cotton (gossypium hirsutum) and gossypium barbadense: heterosis, combining ability and genetic effects. | upland cotton (gossypium hirstum l.), which produces more than 95% of the world natural cotton fibers, has a narrow genetic base which hinders progress in cotton breeding. introducing germplasm from exotic sources especially from another cultivated tetraploid g. barbadense l. can broaden the genetic base of upland cotton. however, the breeding potential of introgression lines (ils) in upland cotton with g. barbadense germplasm integration has not been well addressed. this study involved six ils ... | 2016 | 26730964 |
| resistance to glufosinate is proportional to phosphinothricin acetyltransferase expression and activity in libertylink(®) and widestrike(®) cotton. | insertion of the gene encoding phosphinothricin acetyltransferase (pat) has resulted in cotton plants resistant to the herbicide glufosinate. however, the lower expression and commensurate reduction in pat activity is a key factor in the low level of injury observed in the widestrike(®) cotton and relatively high level of resistance observed in libertylink(®) cotton. libertylink(®) cotton cultivars are engineered for glufosinate resistance by overexpressing the bar gene that encodes phosphinothr ... | 2016 | 26733464 |
| identification and characterization of micrornas in the plant parasitic root-knot nematode meloidogyne incognita using deep sequencing. | the root-knot nematode meloidogyne incognita is among the most damaging plant-parasitic pests of several crops including cotton (gossypium hirsutum) and tomato (lycopersicon escultentum). recently, a genome has become available for m. incognita, which greatly facilitates investigation of the interactions between m. incognita and its plant hosts at the molecular level and enables formation of hypotheses concerning development at the cellular level. micrornas (mirnas) are a class of small rna mole ... | 2016 | 26743520 |
| functional divergence of ghcfe5 homoeologs revealed in cotton fiber and arabidopsis root cell development. | in ghcfe5 homoeologs, ghcfe5d interacted with more actin homologs and stronger interaction activity than ghcfe5a. ghcfe5d - but not ghcfe5a -overexpression severely disrupted actin cytoskeleton organization and significantly suppressed cell elongation. homoeologous genes are common in polyploid plants; however, their functional divergence is poorly elucidated. allotetraploid upland cotton (gossypium hirsutum, aadd) is the most widely cultivated cotton; accounting for more than 90 % of the world' ... | 2016 | 26759310 |
| genetic diversity of the two commercial tetraploid cotton species in the gossypium diversity reference set. | a diversity reference set has been constructed for the gossypium accessions in the us national cotton germplasm collection to facilitate more extensive evaluation and utilization of accessions held in the collection. a set of 105 mapped simple sequence repeat markers was used to study the allelic diversity of 1933 tetraploid gossypium accessions representative of the range of diversity of the improved and wild accessions of g. hirsutum and g. barbadense. the reference set contained 410 g. barbad ... | 2016 | 26774060 |
| frankliniella fusca resistance to neonicotinoid insecticides: an emerging challenge for cotton pest management in the eastern united states. | over the past two decades, neonicotinoid seed treatments have become the primary method to manage tobacco thrips, frankliniella fusca hinds, on seedling cotton. because this insect is highly polyphagous and the window of insecticide exposure is short, neonicotinoid resistance was expected to pose a minimal risk. however, reports of higher than expected f. fusca seedling damage in seed-treated cotton fields throughout the mid-south and southeast us production regions suggested neonicotinoid resis ... | 2016 | 26775623 |
| online co2 and h2 o oxygen isotope fractionation allows estimation of mesophyll conductance in c4 plants, and reveals that mesophyll conductance decreases as leaves age in both c4 and c3 plants. | mesophyll conductance significantly, and variably, limits photosynthesis but we currently have no reliable method of measurement for c4 plants. an online oxygen isotope technique was developed to allow quantification of mesophyll conductance in c4 plants and to provide an alternative estimate in c3 plants. the technique is compared to an established carbon isotope method in three c3 species. mesophyll conductance of c4 species was similar to that in the c3 species measured, and declined in both ... | 2016 | 26778088 |
| relative fitness of helicoverpa armigera (lepidoptera: noctuidae) on seven host plants: a perspective for ipm in brazil. | the cotton bollworm helicoverpa armigera (hübner) (lepidoptera: noctuidae) is a widespread pest of many cultivated and wild plants in europe, africa, asia, and australia. in 2013, this species was reported in brazil, attacking various host crops in the midwestern and northeastern regions of the country and is now found countrywide. aiming to understand the effects of different host plants on the life cycle of h. armigera, we selected seven species of host plants that mature in different seasons ... | 2016 | 26798139 |
| genome-wide transcriptomic and proteomic analyses of bollworm-infested developing cotton bolls revealed the genes and pathways involved in the insect pest defence mechanism. | cotton bollworm, helicoverpa armigera, is a major insect pest that feeds on cotton bolls causing extensive damage leading to crop and productivity loss. in spite of such a major impact, cotton plant response to bollworm infection is yet to be witnessed. in this context, we have studied the genome-wide response of cotton bolls infested with bollworm using transcriptomic and proteomic approaches. further, we have validated this data using semi-quantitative real-time pcr. comparative analyses have ... | 2016 | 26799171 |
| cotton ghmyb7 is predominantly expressed in developing fibers and regulates secondary cell wall biosynthesis in transgenic arabidopsis. | the secondary cell wall in mature cotton fibers contains over 90% cellulose with low quantities of xylan and lignin. however, little is known regarding the regulation of secondary cell wall biosynthesis in cotton fibers. in this study, we characterized an r2r3-myb transcription factor, ghmyb7, in cotton. ghmyb7 is expressed at a high level in developing fibers and encodes a myb protein that is targeted to the cell nucleus and has transcriptional activation activity. ectopic expression of ghmyb7 ... | 2016 | 26803299 |
| two-dimensional gel electrophoresis-based analysis provides global insights into the cotton ovule and fiber proteomes. | proteomic analysis of upland cotton was performed to profile the global detectable proteomes of ovules and fibers using two-dimensional electrophoresis (2de). a total of 1,203 independent protein spots were collected from representative 2de gels, which were digested with trypsin and identified by matrix-assisted laser desorption and ionization-time-offlight/ time-of-flight (maldi-tof/tof) mass spectrometry. the mass spectrometry or tandem mass spectrometry (ms or ms/ms) data were then searched a ... | 2016 | 26803300 |
| influence of dual-bt protein corn on bollworm, helicoverpa zea (boddie), survivorship on bollgard ii cotton. | similar cry proteins are expressed in both bt corn, zea mays l., and cotton, gossypium hirsutum (l.), commercial production systems. at least one generation of corn earworm, helicoverpa zea (boddie), completes development on field corn in the mid-south before dispersing across the landscape into other crop hosts like cotton. a concern is that bt corn hybrids may result in selection for h. zea populations with a higher probability of causing damage to bt cotton. the objective of this study was to ... | 2016 | 26809264 |
| a cotton mirna is involved in regulation of plant response to salt stress. | the present study functionally identified a new microrna (microrna ovual line 5, mirnvl5) with its target gene ghchr from cotton (gossypium hirsutum). the sequence of mirnvl5 precursor is 104 nt long, with a well developed secondary structure. ghchr contains two dc1 and three phd cys/his-rich domains, suggesting that ghchr encodes a zinc-finger domain-containing transcription factor. mirnvl5 and ghchr express at various developmental stages of cotton. under salt stress (50-400 mm nacl), mirnvl5 ... | 2016 | 26813144 |
| field-based high-throughput plant phenotyping reveals the temporal patterns of quantitative trait loci associated with stress-responsive traits in cotton. | the application of high-throughput plant phenotyping (htpp) to continuously study plant populations under relevant growing conditions creates the possibility to more efficiently dissect the genetic basis of dynamic adaptive traits. toward this end, we employed a field-based htpp system that deployed sets of sensors to simultaneously measure canopy temperature, reflectance, and height on a cotton (gossypium hirsutum l.) recombinant inbred line mapping population. the evaluation trials were conduc ... | 2016 | 26818078 |
| functional characterization of a dihydroflavanol 4-reductase from the fiber of upland cotton (gossypium hirsutum). | dihydroflavanol 4-reductase (dfr) is a key later enzyme involved in two polyphenols' (anthocyanins and proanthocyanidins (pas)) biosynthesis, however it is not characterized in cotton yet. in present reports, a dfr cdna homolog (designated as ghdfr1) was cloned from developing fibers of upland cotton. silencing ghdfr1 in cotton by virus-induced gene silencing led to significant decrease in accumulation of anthocyanins and pas. more interestingly, based on lc-ms analysis, two pa monomers, (-)-epi ... | 2016 | 26821011 |
| small interfering rnas from bidirectional transcripts of ghmml3_a12 regulate cotton fiber development. | natural antisense transcripts (nats) are commonly observed in eukaryotic genomes, but only a limited number of such genes have been identified as being involved in gene regulation in plants. in this research, we investigated the function of small rna derived from a nat in fiber cell development. using a map-based cloning strategy for the first time in tetraploid cotton, we cloned a naked seed mutant gene (n1 ) encoding a mybmixta-like transcription factor 3 (mml3)/ghmyb25-like in chromosome a12, ... | 2016 | 26832840 |
| comparative fiber property and transcriptome analyses reveal key genes potentially related to high fiber strength in cotton (gossypium hirsutum l.) line md52ne. | individual fiber strength is an important quality attribute that greatly influences the strength of the yarn spun from cotton fibers. fiber strength is usually measured from bundles of fibers due to the difficulty of reliably measuring strength from individual cotton fibers. however, bundle fiber strength (bfs) is not always correlated with yarn strength since it is affected by multiple fiber properties involved in fiber-to-fiber interactions within a bundle in addition to the individual fiber s ... | 2016 | 26833213 |
| fruiting branch k(+) level affects cotton fiber elongation through osmoregulation. | potassium (k) deficiency in cotton plants results in reduced fiber length. as one of the primary osmotica, k(+) contributes to an increase in cell turgor pressure during fiber elongation. therefore, it is hypothesized that fiber length is affected by k deficiency through an osmotic pathway, so in 2012 and 2013, an experiment was conducted to test this hypothesis by imposing three potassium supply regimes (0, 125, 250 kg k ha(-1)) on a low-k-sensitive cultivar, siza 3, and a low-k-tolerant cultiv ... | 2016 | 26834777 |
| h2o2 and aba signaling are responsible for the increased na+ efflux and water uptake in gossypium hirsutum l. roots in the non-saline side under non-uniform root zone salinity. | non-uniform root salinity increases the na(+)efflux, water use, and growth of the root in non-saline side, which may be regulated by some form of signaling induced by the high-salinity side. however, the signaling and its specific function have remained unknown. using a split-root system to simulate a non-uniform root zone salinity in gossypium hirsutum l., we showed that the up-regulated expression of sodium efflux-related genes (sos1, sos2, pma1, and pma2) and water uptake-related genes (pip1 ... | 2016 | 26862153 |
| the cotton myb108 forms a positive feedback regulation loop with cml11 and participates in the defense response against verticillium dahliae infection. | accumulating evidence indicates that plant myb transcription factors participate in defense against pathogen attack, but their regulatory targets and related signaling processes remain largely unknown. here, we identified a defense-related myb gene (ghmyb108) from upland cotton (gossypium hirsutum) and characterized its functional mechanism. expression of ghmyb108 in cotton plants was induced by verticillium dahliae infection and responded to the application of defense signaling molecules, inclu ... | 2016 | 26873979 |
| relationship between potassium fertilization and nitrogen metabolism in the leaf subtending the cotton (gossypium hirsutum l.) boll during the boll development stage. | the nitrogen (n) metabolism of the leaf subtending the cotton boll (lscb) was studied with two cotton (gossypium hirsutum l.) cultivars (simian 3, low-k tolerant; siza 3, low-k sensitive) under three levels of potassium (k) fertilization (k0: 0 g k2o plant(-1), k1: 4.5 k2o plant(-1) and k2: 9.0 g k2o plant(-1)). the results showed that total dry matter increased by 13.1-27.4% and 11.2-18.5% under k supply for simian 3 and siza 3. boll biomass and boll weight also increased significantly in k1 an ... | 2016 | 26874296 |
| mapping by sequencing in cotton (gossypium hirsutum) line md52ne identified candidate genes for fiber strength and its related quality attributes. | three qtl regions controlling three fiber quality traits were validated and further fine-mapped with 27 new single nucleotide polymorphism (snp) markers. transcriptome analysis suggests that receptor-like kinases found within the validated qtls are potential candidate genes responsible for superior fiber strength in cotton line md52ne. fiber strength, length, maturity and fineness determine the market value of cotton fibers and the quality of spun yarn. cotton fiber strength has been recognized ... | 2016 | 26883043 |
| diversity in betasatellites associated with cotton leaf curl disease during source-to-sink movement through a resistant host. | cotton leaf curl is devastating disease of cotton characterized by leaf curling, vein darkening and enations. the disease symptoms are induced by dna satellite known as cotton leaf curl multan betasatellite (clcumub), dominant betasatellite in cotton but another betasatellite known as chili leaf curl betasatellite (chlcb) is also found associated with the disease. grafting experiment was performed to determine if host plant resistance is determinant of dominant population of betasatellite in cot ... | 2016 | 26889114 |
| global analysis of the developmental dynamics of gossypium hirsutum based on strand-specific transcriptome. | cotton is an economically important crop that provides both natural fiber and by-products such as oil and protein. its global gene expression could provide insight into the biological processes underlying growth and development, which involve suites of genes expressed with temporal and spatial control by regulatory networks. generally, the goal for cotton breeding is improvement of the fiber; thus, most previous research has focused on identifying genes specific to the fiber. however, seeds may ... | 2016 | 26892265 |
| antisense expression of gossypium hirsutum udp-glucuronate decarboxylase in arabidopsis leads to changes in cell wall components. | udp-glucuronate decarboxylase (udp-xylose synthase; uxs, ec 4.1.1.35) is an essential enzyme of the non-cellulosic polysaccharide biosynthetic pathway. in the present study, using transient expression of fluorescently labeled gossypium hirsutum uxs (ghuxs3) protein in onion epidermal cells, we observed that this protein was distributed in the cytoplasm. the ghuxs3 cdna of cotton was expressed in an antisense orientation in arabidopsis thaliana by agrobacterium tumefaciens-mediated transformation ... | 2016 | 26909959 |
| transgenic cotton plants expressing cry1ia12 toxin confer resistance to fall armyworm (spodoptera frugiperda) and cotton boll weevil (anthonomus grandis). | gossypium hirsutum (commercial cooton) is one of the most economically important fibers sources and a commodity crop highly affected by insect pests and pathogens. several transgenic approaches have been developed to improve cotton resistance to insect pests, through the transgenic expression of different factors, including cry toxins, proteinase inhibitors, and toxic peptides, among others. in the present study, we developed transgenic cotton plants by fertilized floral buds injection (through ... | 2016 | 26925081 |
| proteomic responses of drought-tolerant and drought-sensitive cotton varieties to drought stress. | drought, one of the most widespread factors reducing agricultural crop productivity, affects biological processes such as development, architecture, flowering and senescence. although protein analysis techniques and genome sequencing have made facilitated the proteomic study of cotton, information on genetic differences associated with proteomic changes in response to drought between different cotton genotypes is lacking. to determine the effects of drought stress on cotton seedlings, we used tw ... | 2016 | 26941218 |
| postinfection development of rotylenchulus reniformis on resistant gossypium barbadense accessions. | the reniform nematode (rotylenchulus reniformis) causes significant cotton (gossypium hirsutum) losses in the southeastern united states. the research objective was to describe the effects of two resistant g. barbadense lines (cultivar tx 110 and accession gb 713) on development and fecundity of reniform nematode. nematode development and fecundity were evaluated on the resistant lines and susceptible g. hirsutum cultivar deltapine 16 in three repeated growth chamber experiments. nematode develo ... | 2015 | 26941458 |
| anthocyanin accumulation enhanced in lc-transgenic cotton under light and increased resistance to bollworm. | breeding of naturally colored cotton fiber has been hampered by the limited germplasm, an alternative way is to use transgenic approach to create more germplasm for breeding. here, we report our effort to engineer anthocyanin production in cotton. the maize lc gene, under the control of the constitutive 35s promoter, was introduced into cotton through genetic transformation. our data showed that the expression of the lc gene alone is sufficient to trigger the accumulation of anthocyanin in a var ... | 2017 | 26941851 |
| identification of stable quantitative trait loci (qtls) for fiber quality traits across multiple environments in gossypium hirsutum recombinant inbred line population. | the identification of quantitative trait loci (qtls) that are stable and consistent across multiple environments and populations plays an essential role in marker-assisted selection (mas). in the present study, we used 28,861 simple sequence repeat (ssr) markers, which included 12,560 gossypium raimondii (d genome) sequence-based ssr markers to identify polymorphism between two upland cotton strains 0-153 and sgk9708. a total of 851 polymorphic primers were finally selected and used to genotype ... | 2016 | 26951621 |
| data for proteomic profiling of anthers from a photosensitive male sterile mutant and wild-type cotton (gossypium hirsutum l.). | cotton is an important economic crop, used mainly for the production of textile fiber. using a space mutation breeding technique, a novel photosensitive genetic male sterile mutant ccri9106 was isolated from the wild-type upland cotton cultivar ccri040029. to study the male sterile mechanisms of ccri9106, histological and itraq-facilitated proteomic analyses of anthers were performed. this data article contains data related to the research article titled itraq-facilitated proteomic profiling of ... | 2015 | 26958592 |
| structural analysis of gossypium hirsutum fibers grown under greenhouse and hydroponic conditions. | cotton is the one of the world's most important crops. like any other crop, cotton growth/development and fiber quality is highly dependent on environmental factors. increasing global weather instability has been negatively impacting its economy. cotton is a crop that exerts an intensive pressure over natural resources (land and water) and demands an overuse of pesticides. thus, the search for alternative cotton culture methods that are pesticide-free (biocotton) and enable customized standard f ... | 2016 | 26965558 |
| critical roles of vacuolar invertase in floral organ development and male and female fertilities are revealed through characterization of ghvin1-rnai cotton plants. | seed number and quality are key traits determining plant fitness and crop yield and rely on combined competence in male and female fertilities. sucrose metabolism is central to reproductive success. it remains elusive, though, how individual sucrose metabolic enzymes may regulate the complex reproductive processes. here, by silencing vacuolar invertase (vin) genes in cotton (gossypium hirsutum) reproductive organs, we revealed diverse roles that vin plays in multiple reproductive processes. a se ... | 2016 | 26969720 |
| simultaneous overexpression of the hherf2 and pedreb2a genes enhanced tolerances to salt and drought in transgenic cotton. | a desert-grown halimodendron halodendron ethylene-responsive element binding factor gene (hherf2), which encodes a 245 amino acids protein containing a conserved ap2/erebp domain, was isolated through the rapid amplification cdna end (race) method. sequence and phylogenetic analysis indicated that hherf2 was classified into the b-2 group of erf subfamily. semiquantitative rt-pcr showed that hherf2 was greatly induced by treatments with high-salt, drought and low temperature in h. halodendron see ... | 2016 | 26972971 |
| to be a flower or fruiting branch: insights revealed by mrna and small rna transcriptomes from different cotton developmental stages. | the architecture of the cotton plant, including fruit branch formation and flowering pattern, is the most important characteristic that directly influences light exploitation, yield and cost of planting. nulliplex branch is a useful phenotype to study cotton architecture. we used rna sequencing to obtain mrna and mirna profiles from nulliplex- and normal-branch cotton at three developmental stages. the differentially expressed genes (degs) and mirnas were identified that preferentially/specifica ... | 2016 | 26983497 |
| genome-wide identification and analysis of the stress-resistance function of the tps (trehalose-6-phosphate synthase) gene family in cotton. | trehalose (a-d-glucopyranosyl a-d-glucopyranoside) is a nonreducing disaccharide and is widely distributed in bacteria, fungi, algae, plants and invertebrates. in the study, the identification of trehalose-6-phosphate synthase (tps) genes stress-related in cotton, and the genetic structure analysis and molecular evolution analysis of tpss were conducted with bioinformatics methods, which could lay a foundation for further research of tps functions in cotton. | 2016 | 26993467 |
| mapping of genes for flower-related traits and qtls for flowering time in an interspecific population of gossypium hirsutum × g. darwinii. | 2016 | 27019451 | |
| insights into the ecology and evolution of polyploid plants through network analysis. | polyploidy is a widespread phenomenon throughout eukaryotes, with important ecological and evolutionary consequences. although genes operate as components of complex pathways and networks, polyploid changes in genes and gene expression have typically been evaluated as either individual genes or as a part of broad-scale analyses. network analysis has been fruitful in associating genomic and other 'omic'-based changes with phenotype for many systems. in polyploid species, network analysis has the ... | 2016 | 27027619 |
| rnai-mediated resistance against cotton leaf curl disease in elite indian cotton (gossypium hirsutum) cultivar narasimha. | cotton leaf curl disease (clcud) is caused by several distinct begomovirus species in association with disease-specific betasatellite essential for induction of disease symptoms. clcud is a serious threat for the cultivation of cotton (gossypium sp.) and several species in the family malvaceae. in this study, rnai-based approach was applied to generate transgenic cotton (gossypium hirsutum) plants resistant to cotton leaf curl rajasthan virus (clcurv). an intron hairpin (ihp) rnai construct capa ... | 2016 | 27028623 |
| effects of single and dual species herbivory on the behavioural responses of three thrips species to cotton seedlings. | this study investigated the olfactory responses of three thrips species [frankliniella schultzei trybom, f. occidentalis pergrande and thrips tabaci lindeman (thysanoptera: thripidae)] to cotton seedlings [gossypium hirsutum l. (malvales: malvaceae)] simultaneously damaged by different combinations of herbivores. cotton seedlings were damaged by foliar feeding tetranychus urticae koch (trombidiforms: tetranychidae), helicoverpa armigera hübner (lepidoptera: noctuidae), aphis gossypii glover (hem ... | 2016 | 27029603 |
| generation of transcriptome profiling and gene functional analysis in gossypium hirsutum upon verticillium dahliae infection. | verticillium wilt caused by the soil-borne fungus verticillium dahliae, is a devastating disease in cotton. to get more candidate genes related to wilt resistance, a normalized, full-length cdna library was used to generate the transcriptome profile from a wilt-resistant gossypium hirsutum variety (zhongzhimian kv3) upon v. dahliae strain v991 infection. total 3486 high-quality ests were focused from randomly selected 4000 clones, which included 3065 singletons and 421 contigs. to categorize the ... | 2016 | 27038549 |
| comparative transmission genetics of introgressed chromatin in gossypium (cotton) polyploids. | introgression is widely acknowledged as a potential source of valuable genetic variation, and growing effort is being invested in analysis of interspecific crosses conferring transgressive variation. experimental backcross populations provide an opportunity to study transmission genetics following interspecific hybridization, identifying opportunities and constraints to introgressive crop improvement. the evolutionary consequences of introgression have been addressed at the theoretical level, ho ... | 2016 | 27056931 |
| construction of a high-density genetic map by specific locus amplified fragment sequencing (slaf-seq) and its application to quantitative trait loci (qtl) analysis for boll weight in upland cotton (gossypium hirsutum.). | upland cotton (gossypium hirsutum) is one of the most important worldwide crops it provides natural high-quality fiber for the industrial production and everyday use. next-generation sequencing is a powerful method to identify single nucleotide polymorphism markers on a large scale for the construction of a high-density genetic map for quantitative trait loci mapping. | 2016 | 27067834 |
| genomic heterozygosity and hybrid breakdown in cotton (gossypium): different traits, different effects. | hybrid breakdown has been well documented in various species. relationships between genomic heterozygosity and traits-fitness have been extensively explored especially in the natural populations. but correlations between genomic heterozygosity and vegetative and reproductive traits in cotton interspecific populations have not been studied. in the current study, two reciprocal f2 populations were developed using gossypium hirsutum cv. emian 22 and g. barbadense acc. 3-79 as parents to study hybri ... | 2016 | 27072350 |
| functional characterization of a basic helix-loop-helix (bhlh) transcription factor ghdel65 from cotton (gossypium hirsutum). | cotton fiber is proposed to share some similarity with the arabidopsis thaliana leaf trichome, which is regulated by the myb-bhlh-wd40 transcription complex. although several myb transcription factors and wd40 family proteins in cotton have been characterized, little is known about the role of bhlh family proteins in cotton. here, we report that ghdel65, a bhlh protein from cotton (gossypium hirsutum), is a functional homologue of arabidopsis glabra3 (gl3) and enhancer of glabra3 (egl3) in regul ... | 2016 | 27080593 |
| development of cotton leaf curl virus resistant transgenic cotton using antisense ßc1 gene. | cotton leaf curl virus (clcuv) is a serious pathogen causing leaf curl disease and affecting the cotton production in major growing areas. the transgenic cotton (gossypium hirsutum cv. coker 310) plants were developed by using βc1 gene in antisense orientation gene driven by cauliflower mosaic virus-35s promoter and nos (nopaline synthase) terminator and mediated by agrobacterium tumefaciens transformation and somatic embryogenesis system. molecular confirmation of the transformants was carried ... | 2016 | 27081361 |
| fibre elongation requires normal redox homeostasis modulated by cytosolic ascorbate peroxidase in cotton (gossypium hirsutum). | high-quality cotton fibre equates to a more comfortable textile. fibre length is an important index of fibre quality. hydrogen peroxide (h2o2) acts as a signalling molecule in the regulation of fibre elongation. results from in vitro ovule culture suggest that the alteration of fibre cell h2o2 levels affects fibre development. ascorbate peroxidase (apx) is an important reactive oxygen species (ros) scavenging enzyme, and we found that ghapx1at/dt encoded one member of the previously unrealized g ... | 2016 | 27091877 |
| fine mapping and rna-seq unravels candidate genes for a major qtl controlling multiple fiber quality traits at the t1 region in upland cotton. | improving fiber quality is a major challenge in cotton breeding, since the molecular basis of fiber quality traits is poorly understood. fine mapping and candidate gene prediction of quantitative trait loci (qtl) controlling cotton fiber quality traits can help to elucidate the molecular basis of fiber quality. in our previous studies, one major qtl controlling multiple fiber quality traits was identified near the t1 locus on chromosome 6 in upland cotton. | 2016 | 27094760 |
| chlorophyll fluorescence induction kinetics and yield responses in rainfed crops with variable potassium nutrition in k deficient semi-arid alfisols. | optimum potassium (k) nutrition in semi-arid regions may help crop plants to overcome constraints in their growth and development such as moisture stress, leading to higher productivity of rainfed crops, thus judicious k management is essential. a study was conducted to evaluate the importance of k nutrition on physiological processes like photosynthesis through chlorophyll a fluorescence and chlorophyll fluorescence induction kinetics (ojip) of rainfed crops viz., maize (zea mays l.), pearl mil ... | 2016 | 27101276 |
| epistasis together with partial dominance, over-dominance and qtl by environment interactions contribute to yield heterosis in upland cotton. | qtl mapping based on backcross and ril populations suggests that epistasis together with partial dominance, over-dominance and their environmental interactions of qtls play an important role in yield heterosis in upland cotton. a backcross population (bc) was constructed to explore the genetic basis of heterosis in upland cotton (gossypium hirsutum l.). for yield and yield components, recombinant inbred line (ril) and bc populations were evaluated simultaneously at three different locations. a t ... | 2016 | 27138784 |
| genome wide ssr high density genetic map construction from an interspecific cross of gossypium hirsutum × gossypium tomentosum. | a high density genetic map was constructed using f2 population derived from an interspecific cross of g. hirsutum × g. tomentosum. the map consisted of 3093 marker loci distributed across all the 26 chromosomes and covered 4365.3 cm of cotton genome with an average inter-marker distance of 1.48 cm. the maximum length of chromosome was 218.38 cm and the minimum was 122.09 cm with an average length of 167.90 cm. a sub-genome covers more genetic distance (2189.01 cm) with an average inter loci dist ... | 2016 | 27148280 |
| the immature fiber mutant phenotype of cotton (gossypium hirsutum) is linked to a 22-bp frame-shift deletion in a mitochondria targeted pentatricopeptide repeat gene. | cotton seed trichomes are the most important source of natural fibers globally. the major fiber thickness properties influence the price of the raw material, and the quality of the finished product. the recessive immature fiber (im) gene reduces the degree of fiber cell wall thickening by a process that was previously shown to involve mitochondrial function in allotetraploid gossypium hirsutum here, we present the fine genetic mapping of the im locus, gene expression analysis of annotated protei ... | 2016 | 27172184 |
| a genetic map between gossypium hirsutum and the brazilian endemic g. mustelinum and its application to qtl mapping. | among the seven tetraploid cotton species, little is known about transmission genetics and genome organization in gossypium mustelinum, the species most distant from the source of most cultivated cotton, g. hirsutum in this research, an f2 population was developed from an interspecific cross between g. hirsutum and g. mustelinum (hm). a genetic linkage map was constructed mainly using simple sequence repeat (ssrs) and restriction fragment length polymorphism (rflp) dna markers. the arrangements ... | 2016 | 27172208 |
| development and validation of a fluorescent multiplexed immunoassay for measurement of transgenic proteins in cotton (gossypium hirsutum). | in order to provide farmers with better and more customized alternatives to improve yields, combining multiple genetically modified (gm) traits into a single product (called stacked trait crops) is becoming prevalent. trait protein expression levels are used to characterize new gm products and establish exposure limits, two important components of safety assessment. developing a multiplexed immunoassay capable of measuring all trait proteins in the same sample allows for higher sample throughput ... | 2016 | 27177195 |
| performance of the striped mealybug ferrisia virgata cockerell (hemiptera: pseudococcidae) under variable conditions of temperature and mating. | mealybugs have strong associations with their host plants due to their limitations for dispersal. thus, environmental conditions and host quality may impact the biological traits of mealybugs. to the best of our knowledge, we are the first to report on the biology of a brazilian population of the striped mealybug ferrisia virgata cockerell (hemiptera: pseudococcidae), which has recently been reported to infest cotton in brazil. we evaluated the development and reproductive performance of f. virg ... | 2014 | 27193398 |
| genome-wide comparative analysis of the phospholipase d gene families among allotetraploid cotton and its diploid progenitors. | in this study, 40 phospholipase d (pld) genes were identified from allotetraploid cotton gossypium hirsutum, and 20 pld genes were examined in diploid cotton gossypium raimondii. combining with 19 previously identified gossypium arboreum pld genes, a comparative analysis was performed among the pld gene families among allotetraploid and two diploid cottons. based on the orthologous relationships, we found that almost each g. hirsutum pld had a corresponding homolog in the g. arboreum and g. raim ... | 2016 | 27213891 |
| effects of soil salinity on sucrose metabolism in cotton leaves. | this study investigated sucrose metabolism of the youngest fully expanded main-stem leaf (msl) and the subtending leaf of cotton (gossypium hirsutum l.) boll (lscb) of salt-tolerant (ccri-79) and salt-sensitive (simian 3) cultivars and its relationship to boll weight under low, medium and high soil salinity stress in dafeng, china, in 2013 and 2014. the results showed that with increased soil salinity, 1) both the chlorophyll content and net photosynthetic rate (pn) decreased, while the internal ... | 2016 | 27228029 |
| overexpression of cotton ghmpk11 decreases disease resistance through the gibberellin signaling pathway in transgenic nicotiana benthamiana. | many changes in development, growth, hormone activity and environmental stimuli responses are mediated by mitogen-activated protein kinase (mapk) cascades. however, in plants, studies on mapks have mainly focused on mpk3, mpk4 and mpk6. here, a novel group b mapk gene, ghmpk11, was isolated from cotton (gossypium hirsutum l.) and characterized. both promoter and expression pattern analyses revealed that ghmpk11 is involved in defense responses and signaling pathways. ghmpk11 overexpression in ni ... | 2016 | 27242882 |
| asiatic cotton can generate similar economic benefits to bt cotton under rainfed conditions. | american cotton (gossypium hirsutum l.), transformed with bacillus thuringiensis cry genes (bt g. hirsutum) that confer resistance to lepidopteran pests, is extensively cultivated worldwide. in india, transgenic bt g. hirsutum was commercially released in 2002 and by 2014 95% of farmers had adopted bt g. hirsutum(1). the economic benefits of bt g. hirsutum over non-bt g. hirsutum are well documented and include increase in yields, increase in farmers' net revenue and reduction in pesticide appli ... | 2015 | 27250007 |
| a cotton annexin affects fiber elongation and secondary cell wall biosynthesis associated with ca2+ influx, ros homeostasis, and actin filament reorganization. | annexins play pivotal roles in a variety of cellular processes as well as in fiber development; however, the functional mechanisms of their activities are unclear. here, an annexin gene that is preferentially expressed in fibers, ghfannxa, was found to be significantly associated with various cotton (gossypium hirsutum) fiber traits. transgenic analysis demonstrated that ghfannxa affected cotton fiber elongation and was involved in secondary cell wall (scw) biosynthesis. functional studies demon ... | 2016 | 27255486 |
| a comparative transcriptome analysis of two sets of backcross inbred lines differing in lint-yield derived from a gossypium hirsutum × gossypium barbadense population. | upland cotton (gossypium hirsutum l.) is the most important fiber crop, and its lint-yield improvement is impeded due to its narrow genetic base and the lack of understanding of the genetic basis of yield. backcross inbred lines (bils) or near-isogenic lines (nils) in the same genetic background differing in lint yield, developed through advanced backcrossing, provide an important genomic resource to study the molecular genetic basis of lint yield. in the present study, a high-yield (hy) group a ... | 2016 | 27256327 |
| cotton (gossypium hirsutum l.) boll rotting bacteria vectored by the brown stink bug, euschistus servus (say) (hemiptera: pentatomidae). | to determine the capacity of the brown stink bug (bsb) (euschistus servus) to transmit an infective pantoea agglomerans strain sc 1-r into cotton (gossypium hirsutum) bolls. | 2016 | 27261673 |
| evolution of gene duplication in plants. | ancient duplication events and a high rate of retention of extant pairs of duplicate genes have contributed to an abundance of duplicate genes in plant genomes. these duplicates have contributed to the evolution of novel functions, such as the production of floral structures, induction of disease resistance, and adaptation to stress. additionally, recent whole-genome duplications that have occurred in the lineages of several domesticated crop species, including wheat (triticum aestivum), cotton ... | 2016 | 27288366 |
| effects of silicon treatment and inoculation with fusarium oxysporum f. sp. vasinfectum on cellular defences in root tissues of two cotton cultivars. | silicon has been shown to enhance the resistance of plants to fungal and bacterial pathogens. here, the effect of potassium silicate was assessed on two cotton (gossypium hirsutum) cultivars subsequently inoculated with fusarium oxysporum f. sp. vasinfectum (fov). sicot 189 is moderately resistant whilst sicot f-1 is the second most resistant commercial cultivar presently available in australia. | 2016 | 27288509 |
| independent domestication of two old world cotton species. | domesticated cotton species provide raw material for the majority of the world's textile industry. two independent domestication events have been identified in allopolyploid cotton, one in upland cotton (gossypium hirsutum l.) and the other to egyptian cotton (gossypium barbadense l.). however, two diploid cotton species, gossypium arboreum l. and gossypium herbaceum l., have been cultivated for several millennia, but their status as independent domesticates has long been in question. using geno ... | 2016 | 27289095 |
| gherf-iib3 regulates the accumulation of jasmonate and leads to enhanced cotton resistance to blight disease. | the phytohormone jasmonic acid (ja) and its derivatives, collectively referred to as jasmonates, regulate many developmental processes, but are also involved in the response to numerous abiotic/biotic stresses. thus far, powerful reverse genetic strategies employing perception, signalling or biosynthesis mutants have broadly contributed to our understanding of the role of ja in the plant stress response and development, as has the chemical gain-of-function approach based on exogenous application ... | 2016 | 27291786 |
| monopodial and sympodial branching architecture in cotton is differentially regulated by the gossypium hirsutum single flower truss and self-pruning orthologs. | domestication of upland cotton (gossypium hirsutum) converted it from a lanky photoperiodic perennial to a day-neutral annual row-crop. residual perennial traits, however, complicate irrigation and crop management, and more determinate architectures are desired. cotton simultaneously maintains robust monopodial indeterminate shoots and sympodial determinate shoots. we questioned if and how the flowering locus t/single flower truss (sft)-like and terminal flower1/self-pruning (sp)-like genes cont ... | 2016 | 27292411 |
| genome-wide analysis of long noncoding rnas and their responses to drought stress in cotton (gossypium hirsutum l.). | recent researches on long noncoding rnas (lncrnas) have expanded our horizon of gene regulation and the cellular complexity. however, the number, characteristics and expression patterns of lncrnas remain poorly characterized and how these lncrnas biogenesis are regulated in response to drought stress in cotton are still largely unclear. in the study, using a reproducibility-based rna-sequencing and bioinformatics strategy to analyze the lncrnas of 9 samples under three different environment stre ... | 2016 | 27294517 |
| assessment of bt trait purity in different generations of transgenic cottons. | adequate expression of bt (bacillus thuringiensis) toxins and purity of seeds of bt-transgenic cottons are important for controlling bollworms, and thereby increasing the cotton productivity. therefore, we examined the variability in expression of bt toxin proteins in the seeds and in leaves of different cotton (gossypium hirsutum (l.) hybrids (jkch 226, jkch 1947, jkch durga, jkch ishwar, jkch varun kdchh 441 and kdchh 621) expressing bt toxins in f₁ and f₂ generations, using bioassays against ... | 2016 | 27295920 |
| cotton fiber tips have diverse morphologies and show evidence of apical cell wall synthesis. | cotton fibers arise through highly anisotropic expansion of a single seed epidermal cell. we obtained evidence that apical cell wall synthesis occurs through examining the tips of young elongating gossypium hirsutum (gh) and g. barbadense (gb) fibers. we characterized two tip types in gh fiber (hemisphere and tapered), each with distinct apical diameter, central vacuole location, and distribution of cell wall components. the apex of gh hemisphere tips was enriched in homogalacturonan epitopes, i ... | 2016 | 27301434 |
| leaf ontogeny strongly influences photosynthetic tolerance to drought and high temperature in gossypium hirsutum. | temperature and drought are major abiotic limitations to crop productivity worldwide. while abiotic stress physiology research has focused primarily on fully expanded leaves, no studies have investigated photosynthetic tolerance to concurrent drought and high temperature during leaf ontogeny. to address this, gossypium hirsutum plants were exposed to five irrigation treatments, and two different leaf stages were sampled on three dates during an abnormally dry summer. early in the growing season, ... | 2016 | 27302003 |
| inoculant of arbuscular mycorrhizal fungi (rhizophagus clarus) increase yield of soybean and cotton under field conditions. | nutrient availability is an important factor in crop production, and regular addition of chemical fertilizers is the most common practice to improve yield in agrosystems for intensive crop production. the use of some groups of microorganisms that have specific activity providing nutrients to plants is a good alternative, and arbuscular mycorrhizal fungi (amf) enhance plant nutrition by providing especially phosphorus, improving plant growth and increasing crop production. unfortunately, the use ... | 2016 | 27303367 |
| coupling of mic-3 overexpression with the chromosomes 11 and 14 root-knot nematode (rkn) (meloidogyne incognita) resistance qtls provides insights into the regulation of the rkn resistance response in upland cotton (gossypium hirsutum). | genetic analysis of mic-3 transgene with rkn resistance qtls provides insight into the resistance regulatory mechanism and provides a framework for testing additional hypotheses. resistance to root-knot nematode (rkn) (meloidogyne incognita) in upland cotton (gossypium hirsutum) is mediated by two major quantitative trait loci (qtl) located on chromosomes 11 and 14. the mic-3 (meloidogyne induced cotton3) protein accumulates specifically within the immature galls of rkn-resistant plants that pos ... | 2016 | 27314265 |
| cotton cytosolic pyruvate kinase ghpk6 participates in fast fiber elongation regulation in a ros-mediated manner. | cotton cytosolic pyruvate kinase ghpk6 is preferentially expressed in the late stage of fiber elongation process, transgenic experiments indicated that its expression level was negatively correlated to cell expansion rate. pyruvate kinase (pk) plays vital regulatory roles in rapid cell growth in mammals. however, the function of pk in plant cell growth remains unclear. in allotetraploid upland cotton (gossypium hirsutum l.), a total of 33 pk genes are encoded by the genome. analysis of the trans ... | 2016 | 27316434 |
| trichomes control flower bud shape by linking together young petals. | trichomes are widespread in plants and develop from surface cells on different tissues(1). they have many forms and functions, from defensive spines to physical barriers that trap layers of air to insulate against desiccation, but there is growing evidence that trichomes can also have developmental roles in regulating flower structure(2,3). we report here that the trichomes on petals of cotton, gossypium hirsutum l., are essential for correct flower bud shape through a mechanical entanglement of ... | 2016 | 27322517 |
| ssr-based association mapping of salt tolerance in cotton (gossypium hirsutum l.). | the identification of simple sequence repeat (ssr) markers associated with salt tolerance in cotton contributes to molecular assisted selection (mas), which can improve the efficiency of traditional breeding. in this study, 134 samples of upland cotton cultivars were selected. the seedling emergence rates were tested under 0.3% nacl stress. a total of 74 ssr markers were used to scan the genomes of these samples. to identify ssr markers associated with salt tolerance, an association analysis was ... | 2016 | 27323090 |