Publications
Title | Abstract | Year Filter | PMID(sorted descending) Filter |
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micrornas involved in auxin signalling modulate male sterility under high-temperature stress in cotton (gossypium hirsutum). | male sterility caused by long-term high-temperature (ht) stress occurs widely in crops. micrornas (mirnas), a class of endogenous non-coding small rnas, play an important role in the plant response to various abiotic stresses. to dissect the working principle of mirnas in male sterility under ht stress in cotton, a total of 112 known mirnas, 270 novel mirnas and 347 target genes were identified from anthers of ht-insensitive (84021) and ht-sensitive (h05) cotton cultivars under normal-temperatur ... | 2017 | 28635129 |
evaluation of different carbon sources for high frequency callus culture with reduced phenolic secretion in cotton (gossypium hirsutum l.) cv. svpr-2. | an efficient protocol was developed to control excessive phenolic compound secretion during callus culture of cotton. as cotton is naturally rich in phenolic compounds factors influencing the phenolic compound secretion, callus induction and proliferation were optimized for getting high frequency callus culture. different carbon sources such as fructose, glucose, sucrose and maltose were tested at various concentrations to control phenolic secretion in callus culture. among them, 3% maltose was ... | 2015 | 28626717 |
genome-wide identification and characterization of micrornas differentially expressed in fibers in a cotton phytochrome a1 rnai line. | cotton fiber is an important commodity throughout the world. fiber property determines fiber quality and commercial values. previous studies showed that silencing phytochrome a1 gene (phya1) by rna interference in upland cotton (gossypium hirsutum l. cv. coker 312) had generated phya1 rnai lines with simultaneous improvements in fiber quality (longer, stronger and finer fiber) and other key agronomic traits. characterization of the altered molecular processes in these rnai genotypes and its wild ... | 2017 | 28614407 |
genome-wide identification and characterization of snrk2 gene family in cotton (gossypium hirsutum l.). | sucrose non-fermenting-1-related protein kinase 2 (snrk2) is a plant-specific serine/threonine kinase family involved in the abscisic acid (aba) signaling pathway and responds to osmotic stress. a genome-wide analysis of this protein family has been conducted previously in some plant species, but little is known about snrk2 genes in upland cotton (gossypium hirsutum l.). the recent release of the g. hirsutum genome sequence provides an opportunity to identify and characterize the snrk2 kinase fa ... | 2017 | 28606097 |
expression and functional analyses of a kinesin gene ghkis13a1 from cotton (gossypium hirsutum) fiber. | cotton fiber, a natural fiber widely used in the textile industry, is differentiated from single cell of ovule epidermis. a large number of genes are believed to be involved in fiber formation, but so far only a few fiber genes have been isolated and functionally characterized in this developmental process. the kinesin13 subfamily was found to play key roles during cell division and cell elongation, and was considered to be involved in the regulation of cotton fiber development. | 2017 | 28606082 |
a new species of scopulariopsis and its synergistic effect on pathogenicity of verticillium dahliae on cotton plants. | a new species, scopulariopsis gossypii, was found to be present in the vascular bundles of cotton plants (gossypium hirsutum) infected by verticillium dahliae which is an economically important pathogen in hangzhou, china. the fungus was only present in the diseased plants, but it never became isolated from the healthy plants. scanning electron microscopy showed that the fungus was present in parenchyma cells enclosing vessels in dark brown vascular tissues of stems, and produced asexual conidia ... | 2017 | 28602397 |
a novel ghbee1-like gene of cotton causes anther indehiscence in transgenic arabidopsis under uncontrolled transcription level. | male-sterile lines are very important for selective breeding, and anther dehiscence defect is an effective way to generate male-sterile lines. although several bhlh-family proteins in arabidopsis have been characterized, little is known about the role of bhlh-family proteins in cotton. here, we isolated a novel bhlh protein from cotton (gossypium hirsutum), named ghbee1-like. protein domain analysis showed that ghbee1-like contained a basic domain and an hlh domain. subcellular localization anal ... | 2017 | 28600178 |
identification and characterization of constans-like (col) gene family in upland cotton (gossypium hirsutum l.). | the constans/flowering locus t (co/ft) regulon plays a central role in the control of flowering time in photoperiod-sensitive plants. flowering time in wild cotton (gossypium spp.) has strict photoperiod sensitivity, but domesticated cotton is day-neutral. information on the molecular characterization of the co and co-like (col) genes in cotton is very limited. in this study, we identified 42 col homologs (ghcols) in the g. hirsutum genome, and many of them were previously unreported. we studied ... | 2017 | 28591177 |
the specific host plant dna detection suggests a potential migration of apolygus lucorum from cotton to mungbean fields. | the polyphagous mirid bug apolygus lucorum (heteroptera: miridae) has more than 200 species of host plants and is an insect pest of important agricultural crops, including cotton (gossypium hirsutum) and mungbean (vigna radiata). previous field trials have shown that a. lucorum adults prefer mungbean to cotton plants, indicating the considerable potential of mungbean as a trap crop in cotton fields. however, direct evidence supporting the migration of a. lucorum adults from cotton to mungbean is ... | 2017 | 28586352 |
genome-wide identification and characterization of jaz gene family in upland cotton (gossypium hirsutum). | plant jaz (jasmonate zim-domain) proteins play versatile roles in multiple aspects of plant development and defense. however, little is known about the jaz family in allotetraploid upland cotton (gossypium hirsutum) so far. in this study, 30 non-redundant jaz genes were identified in upland cotton through genome-wide screening. phylogenetic analysis revealed that the 30 proteins in cotton jaz family are further divided into five groups (i - v), and members in the same group share highly conserve ... | 2017 | 28584307 |
genomic analyses in cotton identify signatures of selection and loci associated with fiber quality and yield traits. | upland cotton (gossypium hirsutum) is the most important natural fiber crop in the world. the overall genetic diversity among cultivated species of cotton and the genetic changes that occurred during their improvement are poorly understood. here we report a comprehensive genomic assessment of modern improved upland cotton based on the genome-wide resequencing of 318 landraces and modern improved cultivars or lines. we detected more associated loci for lint yield than for fiber quality, which sug ... | 2017 | 28581501 |
carbohydrate metabolism in the subtending leaf cross-acclimates to waterlogging and elevated temperature stress and influences boll biomass in cotton (gossypium hirsutum). | short-term waterlogging and chronic elevated temperature occur concomitantly in the cotton (gossypium hirsutum) growing season. while previous research about co-occurring waterlogging and elevated temperature has focused primarily on cotton fiber, no studies have investigated carbohydrate metabolism of the subtending leaf (a major source leaf for boll development) cross-acclimation to aforementioned stressors. to address this, plants were exposed to ambient (31.6/26.5°c) and elevated (34.1/29.0° ... | 2017 | 28581029 |
genome-wide analysis of gene expression of ems-induced short fiber mutant ligon lintless-y (liy) in cotton (gossypium hirsutum l.). | in this work we describe a chemically-induced short fiber mutant cotton line, ligon-lintless-y (liy), which is controlled by a single recessive locus and affects multiple traits, including height of the plant, and length and maturity of fiber. an rnaseq analysis was used to evaluate global transcriptional changes during cotton fiber development at 3, 8 and 16days post anthesis. we found that 613, 2629 and 3397 genes were significantly down-regulated, while 2700, 477 and 3260 were significantly u ... | 2017 | 28577792 |
identification of candidate genes for fiber length quantitative trait loci through rna-seq and linkage and physical mapping in cotton. | cotton (gossypium spp.) fibers are single-celled elongated trichomes, the molecular aspects of genetic variation in fiber length (fl) among genotypes are currently unknown. in this study, two backcross inbred lines (bils), i.e., nmga-062 ("long") and nmga-105 ("short") with 32.1 vs. 27.2 mm in fl, respectively, were chosen to perform rna-seq on developing fibers at 10 days post anthesis (dpa). the two bils differed in 4 quantitative trait loci (qtl) for fl and were developed from backcrosses bet ... | 2017 | 28569138 |
tobacco rattle virus-based silencing of enoyl-coa reductase gene and its role in resistance against cotton wilt disease. | a tobacco rattle virus (trv)-based virus-induced gene silencing assay was employed as a reverse genetic approach to study gene function in cotton (gossypium hirsutum). this approach was used to investigate the function of the enoyl-coa reductase (ghecr) gene in pathogen defense. amino acid sequence alignment of arabidopsis ecr with homologous sequence from g. hirsutum, g. arboreum, g. herbaceum and g. barbadense showed that ecrs are highly conserved among these species. trv-based silencing of gh ... | 2017 | 28567686 |
genome-wide identification and characterization of phospholipase c gene family in cotton (gossypium spp.). | phospholipase c (plc) are important regulatory enzymes involved in several lipid and ca2+-dependent signaling pathways. previous studies have elucidated the versatile roles of plc genes in growth, development and stress responses of many plants, however, the systematic analyses of plc genes in the important fiber-producing plant, cotton, are still deficient. in this study, through genome-wide survey, we identified twelve phosphatidylinositol-specific plc (pi-plc) and nine non-specific plc (npc) ... | 2017 | 28547583 |
assessment of gene flow between gossypium hirsutum and g. herbaceum: evidence of unreduced gametes in the diploid progenitor. | in the framework of a gene flow assessment, we investigated the natural hybridization rate between gossypium hirsutum (aadd genome) and g. herbaceum (aa genome). the latter species, a diploid progenitor of g. hirsutum, is spontaneously present in south africa. reciprocal crosses were performed without emasculation between g. herbaceum and g. hirsutum neither examination of the morphological characteristics nor flow cytometry analysis of the 335 plants resulting from the g. hirsutum × g. herbaceu ... | 2017 | 28546386 |
role of xyloglucan in cotton (gossypium hirsutum l.) fiber elongation of the short fiber mutant ligon lintless-2 (li2). | xyloglucan is a matrix polysaccharide found in the cell walls of all land plants. in growing cells, xyloglucan is thought to connect cellulose microfibrils and regulate their separation during wall extension. ligon lintless-2 (li2) is a monogenic dominant cotton fiber mutation that causes extreme reduction in lint fiber length with no pleiotropic effects on vegetative growth. li2 represents an excellent model system to study fiber elongation. to understand the role of xyloglucan in cotton fiber ... | 2017 | 28546126 |
detoxification of fusaric acid by the soil microbe mucor rouxii. | fusarium oxysporum f. sp. vasinfectum race 4 (vcg0114), which causes root rot and wilt of cotton (gossypium hirsutum and g. barbadense), has been identified recently for the first time in the western hemisphere in certain fields in the san joaquin valley of california. this pathotype produces copious quantities of the plant toxin fusaric acid (5-butyl-2-pyridinecarboxylic acid) compared to other isolates of f. oxysporum f. sp. vasinfectum (fov) that are indigenous to the united states. fusaric a ... | 2017 | 28538103 |
cotton gherf38 gene is involved in plant response to salt/drought and aba. | erf (ethylene-responsive factor) transcription factors play important roles in plant stress signaling transduction pathways. however, their specific roles during diverse abiotic stresses tolerance in gossypium hirsutum are largely unknown. here, a novel erf transcription factor, designated gherf38, homologous to aterf38 in arabidopsis, was isolated from cotton (gossypium hirsutum l). gherf38 expression was up-regulated by salt, drought and aba treatments. subcellular localization results indicat ... | 2017 | 28536792 |
title: potassium application regulates nitrogen metabolism and osmotic adjustment in cotton (gossypium hirsutum l.) functional leaf under drought stress. | to evaluate the role of potassium (k) in maintaining nitrogen metabolism and osmotic adjustment development of cotton functional leaves to sustain growth under soil drought and rewatering conditions, the plants of two cotton cultivars siza 3 (low-k sensitive) and simian 3 (low-k tolerant), were grown under three different k rates (k0, k1, and k2; 0, 150, and 300kgk2oha(-1), respectively) and exposed to drought stress with 40±5% soil relative water content (srwc). the drought stress was applied a ... | 0 | 28527336 |
comparison of rhizosphere properties as affected by different bt- and non-bt-cotton (gossypium hirsutum l.) genotypes and fertilization. | incorporation of genetically modified crops in the cropping system raises the need for studying the effect of these crops on the soil ecosystem. the current study aimed to compare the effect of bacillus thuringiensis (bt)- and non-bt-cotton (gossypium hirsutum l.) genotypes on rhizosphere properties under fertilized and unfertilized soil conditions. one non-bt-cotton (iub 75) and four bt-cotton varieties (iub-222, mm-58, iub-13, fh-142) were sown in a randomized complete block design (rcbd) in a ... | 2017 | 28527035 |
field trial of insect-resistant and herbicide-tolerant genetically modified cotton (gossypium hirsutum l.) for environmental risk assessment in japan. | japan imports cottonseed mainly from australia and the usa where more than 96% of all cotton varieties grown are genetically modified (gm). gm crops undergo an environmental risk assessment (era) under the law concerning the conservation and sustainable use of biological diversity before import into japan. potential adverse effects on biodiversity are comprehensively assessed based on competitiveness, production of harmful substances and outcrossing ability. even though imported cottonseed is in ... | 2017 | 28510512 |
genome-wide characterization and expression analyses of superoxide dismutase (sod) genes in gossypium hirsutum. | superoxide dismutases (sods) are a key antioxidant enzyme family, which have been implicated in protecting plants against the toxic effects of reactive oxygen species. despite current studies have shown that the gene family are involved in plant growth and developmental processes and biotic and abiotic stress responses, little is known about its functional role in upland cotton. | 2017 | 28499417 |
high efficient multisites genome editing in allotetraploid cotton (gossypium hirsutum) using crispr/cas9 system. | gossypium hirsutum is an allotetraploid with a complex genome. most genes have multiple copies that belong to at and dt subgenomes. sequence similarity is also very high between gene homologues. to efficiently achieve site/gene-specific mutation is quite needed. due to its high efficiency and robustness, the crispr (clustered regularly interspaced short palindromic repeats)/cas9 system has exerted broad site-specific genome editing from prokaryotes to eukaryotes. in this study, we utilized a cri ... | 2018 | 28499063 |
comparative genomic study of aldh gene superfamily in gossypium: a focus on gossypium hirsutum under salt stress. | aldehyde dehydrogenases (aldhs) are a superfamily of enzymes which play important role in the scavenging of active aldehydes molecules. in present work, a comprehensive whole-genomic study of aldh gene superfamily was carried out for an allotetraploid cultivated cotton species, g. hirsutum, as well as in parallel relative to their diploid progenitors, g. arboreum and g. raimondii. totally, 30 and 58 aldh gene sequences belong to 10 families were identified from diploid and allotetraploid cotton ... | 2017 | 28489898 |
within-plant distribution and dynamics of thrips species (thysanoptera: thripidae) in cotton. | a 2-yr study in cotton (gossypium hirsutum l.) was conducted to determine the abundance and species composition of thrips (thysanoptera: thripidae) on different plant parts throughout the season in alabama, georgia, north carolina, south carolina, and virginia. plant parts sampled included seedlings, terminals with two expanded leaves, leaves from the upper, middle, and lower sections of the canopy, white flowers, and medium-sized bolls. adult thrips were significantly more abundant on seedlings ... | 2017 | 28475718 |
abp9, a maize bzip transcription factor, enhances tolerance to salt and drought in transgenic cotton. | abp9 , encoding a bzip transcription factor from maize, enhances tolerance to multiple stresses and may participate in the aba signaling pathway in transgenic cotton by altering physiological and biochemical processes and stress-related gene expression. abiotic stresses, such as soil salinity and drought, negatively affect growth, development, and yield in cotton. gene abp9, which encodes a bzip transcription factor, binds to the abscisic acid (aba)-responsive-element (abre2) motif of the maize ... | 2017 | 28474114 |
potassium deficiency affects the carbon-nitrogen balance in cotton leaves. | potassium (k) plays important roles in the metabolism of carbon (c) and nitrogen (n), but studies of k deficiency affecting c-n balance are lacking. this study explored the influence of k deficiency on c-n interaction in cotton leaves by conducting a field experiment with cotton cultivar dp0912 under two k rates (k0: 0 kg k2o ha-1 and k67: 67 kg k2o ha-1) and a controlled environment experiment with k-deficient solution (k1: 0 mm k+) and k-sufficient solution (k2: 6 mm k+). the results showed th ... | 2017 | 28441628 |
a genome-scale analysis of the pin gene family reveals its functions in cotton fiber development. | the pin-formed (pin) protein, the most important polar auxin transporter, plays a critical role in the distribution of auxin and controls multiple biological processes. however, characterizations and functions of this gene family have not been identified in cotton. here, we identified the pin family in gossypium hirsutum, gossypium arboreum, and gossypium raimondii. this gene family was divided into seven subgroups. a chromosomal distribution analysis showed that ghpin genes were evenly distribu ... | 2017 | 28424725 |
characterization of two tt2-type myb transcription factors regulating proanthocyanidin biosynthesis in tetraploid cotton, gossypium hirsutum. | two tt2-type myb transcription factors identified from tetraploid cotton are involved in regulating proanthocyanidin biosynthesis, providing new strategies for engineering condensed tannins in crops. proanthocyanidins (pas), also known as condensed tannins, are important secondary metabolites involved in stress resistance in plants, and are health supplements that help to reduce cholesterol levels. as one of the most widely grown crops in the world, cotton provides the majority of natural fabric ... | 2017 | 28421329 |
micrornas as reference genes for quantitative pcr in cotton. | cotton (gossypium hirsutum) is the most important non-food plant in the world. studies concerning the fiber quality and plant fitness of cotton at molecular level depend on high sensitive and reproducible gene-expression assays. however, only a few reports have described genes suitable for normalizing gene expression data. in this study, we report for the first time that micrornas (mirnas) are reliable reference genes (rgs) for cotton gene expression normalization in quantitative real-time rever ... | 2017 | 28414734 |
single-base resolution methylomes of upland cotton (gossypium hirsutum l.) reveal epigenome modifications in response to drought stress. | dna methylation, with a cryptic role in genome stability, gene transcription and expression, is involved in the drought response process in plants, but the complex regulatory mechanism is still largely unknown. | 2017 | 28407801 |
the verticillium-specific protein vdscp7 localizes to the plant nucleus and modulates immunity to fungal infections. | fungal pathogens secrete effector proteins to suppress plant basal defense for successful colonization. resistant plants, however, can recognize effectors by cognate r proteins to induce effector-triggered immunity (eti). by analyzing secretomes of the vascular fungal pathogen verticillium dahliae, we identified a novel secreted protein vdscp7 that targets the plant nucleus. the green fluorescent protein (gfp)-tagged vdscp7 gene with either a mutated nuclear localization signal motif or with add ... | 2017 | 28407259 |
genome-wide comparative analysis of nbs-encoding genes in four gossypium species. | nucleotide binding site (nbs) genes encode a large family of disease resistance (r) proteins in plants. the availability of genomic data of the two diploid cotton species, gossypium arboreum and gossypium raimondii, and the two allotetraploid cotton species, gossypium hirsutum (tm-1) and gossypium barbadense allow for a more comprehensive and systematic comparative study of nbs-encoding genes to elucidate the mechanisms of cotton disease resistance. | 2017 | 28403834 |
responses of neonicotinoid-resistant and susceptible frankliniella fusca life stages to multiple insecticide groups in cotton. | detection of neonicotinoid resistance in populations of tobacco thrips, frankliniella fusca hinds, throughout the southeastern us has motivated an examination of alternative insecticides to control problematic infestations on seedling cotton. the objective of this study was to refine understanding of stage-specific mortality and reduced oviposition of several common insecticides (acephate, abamectin, cyantraniliprole, spinetoram, imidacloprid, imidacloprid + thiodicarb, thiamethoxam) on neonicot ... | 2017 | 28401732 |
overexpression of cotton pyl genes in arabidopsis enhances the transgenic plant tolerance to drought stress. | pyr/pyl/rcar proteins are putative abscisic acid (aba) receptors that play important roles in plant responses to biotic and abiotic stresses. in this study, 27 predicted pyl proteins were identified in cotton (gossypium hirsutum). sequence analysis showed they are conserved in structures. phylogenetic analysis showed that cotton pyl family could be categorized into three groups. yeast two-hybrid assay revealed that the ghpyl proteins selectively interacted with some ghpp2c proteins. quantitative ... | 2017 | 28388505 |
development and survival of spodoptera exigua (lepidoptera: noctuidae) on alternate crops in cotton cropping pattern, with implications to integrated pest management. | spodoptera exigua (hübner) is a polyphagous pest that shifts its population to different hosts during its life cycle to receive nutritive advantages. therefore, demographic evaluation of alternate hosts is important for effective pest management. here, we have evaluated castor (ricinus communis l.), cauliflower (brassica oleracea l.), cotton (gossypium hirsutum l.), okra (abelmoschus esculentus l.), and spinach (spinacia oleracea l.) for growth, survival, and population development of s. exigua. ... | 2017 | 28383691 |
genome-wide identification of the mikc-type mads-box gene family in gossypium hirsutum l. unravels their roles in flowering. | cotton is one of the major world oil crops. cottonseed oil meets the increasing demand of fried food, ruminant feed, and renewable bio-fuels. mads intervening keratin-like and c-terminal (mikc)-type mads-box genes encode transcription factors that have crucial roles in various plant developmental processes. nevertheless, this gene family has not been characterized, nor its functions investigated, in cotton. here, we performed a comprehensive analysis of mikc-type mads genes in the tetraploid gos ... | 2017 | 28382045 |
genome-wide identification of membrane-bound fatty acid desaturase genes in gossypium hirsutum and their expressions during abiotic stress. | membrane-bound fatty acid desaturases (fads) are of great importance and play multiple roles in plant growth and development. in the present study, 39 full-length fad genes, based on database searches, were identified in tetraploid upland cotton (gossypium hirsutum l.) and were phylogenetically clustered into four subfamilies. genomic localization revealed that 34 genes were mapped on 22 chromosomes, and five genes were positioned on the scaffold sequences. the fad genes of g. hirsutum in the sa ... | 2017 | 28374822 |
genome-wide association study discovered candidate genes of verticillium wilt resistance in upland cotton (gossypium hirsutum l.). | verticillium wilt (vw), caused by infection by verticillium dahliae, is considered one of the most yield-limiting diseases in cotton. to examine the genetic architecture of cotton vw resistance, we performed a genome-wide association study (gwas) using a panel of 299 accessions and 85,630 single-nucleotide polymorphisms (snps) detected using the specific-locus amplified fragment sequencing (slaf-seq) approach. trait-snp association analysis detected a total of 17 significant snps at p < 1.17 × 1 ... | 2017 | 28371164 |
fine mapping and candidate gene analysis of qfl-chr1, a fiber length qtl in cotton. | a fiber length qtl, qfl-chr1, was fine mapped to a 0.9 cm interval of cotton chromosome 1. two positional candidate genes showed positive correlation between gene expression level and fiber length. prior analysis of a backcross-self mapping population derived from a cross between gossypium hirsutum l. and g. barbadense l. revealed a qtl on chromosome 1 associated with increased fiber length (qfl-chr1), which was confirmed in three independent populations of near-isogenic introgression lines (nii ... | 2017 | 28361363 |
developmental features of cotton fibre middle lamellae in relation to cell adhesion and cell detachment in cultivars with distinct fibre qualities. | cotton fibre quality traits such as fibre length, strength, and degree of maturation are determined by genotype and environment during the sequential phases of cotton fibre development (cell elongation, transition to secondary cell wall construction and cellulose deposition). the cotton fibre middle lamella (cfml) is crucial for both cell adhesion and detachment processes occurring during fibre development. to explore the relationship between fibre quality and the pace at which cotton fibres dev ... | 2017 | 28359260 |
qtl analysis of cotton fiber length in advanced backcross populations derived from a cross between gossypium hirsutum and g. mustelinum. | qtls for fiber length mapped in three generations of advanced backcross populations derived from crossing gossypium hirsutum and gossypium mustelinum showed opportunities to improve elite cottons by introgression from wild relatives. the molecular basis of cotton fiber length in crosses between gossypium hirsutum and gossypium mustelinum was dissected using 21 bc3f2 and 12 corresponding bc3f2:3 and bc3f2:4 families. sixty-five quantitative trait loci (qtls) were detected by one-way analysis of v ... | 2017 | 28349176 |
sequential sampling plan of anthonomus grandis (coleoptera: curculionidae) in cotton plants. | the boll weevil, anthonomus grandis grandis boheman (coleoptera: curculionidae), is one of the most important pests of cotton production worldwide. the objective of this work was to develop a sequential sampling plan for the boll weevil. the studies were conducted in maracaju, ms, brazil, in two seasons with cotton cultivar fm 993. a 10,000-m2 area of cotton was subdivided into 100 of 10- by 10-m plots, and five plants per plot were evaluated weekly, recording the number of squares with feeding ... | 2017 | 28334212 |
confamiliar transferability of simple sequence repeat (ssr) markers from cotton (gossypium hirsutum l.) and jute (corchorus olitorius l.) to twenty two malvaceous species. | cross-species transferability is a quick and economic method to enrich ssr database, particularly for minor crops where little genomic information is available. however, transferability of ssr markers varies greatly between species, genera and families of plant species. we assessed confamiliar transferability of ssr markers from cotton (gossypium hirsutum) and jute (corchorus olitorius) to 22 species distributed in different taxonomic groups of malvaceae. all the species selected were potential ... | 2016 | 28330135 |
microrna expression profiles during cotton (gossypium hirsutum l) fiber early development. | the role of micrornas (mirnas) during cotton fiber development remains unclear. here, a total of 54 mirnas belonging to 39 families were selected to characterize mirna regulatory mechanism in eight different fiber development stages in upland cotton cv bm-1. among 54 mirnas, 18 mirnas were involved in cotton fiber initiation and eight mirnas were related to fiber elongation and secondary wall biosynthesis. additionally, 3,576 protein-coding genes were candidate target genes of these mirnas, whic ... | 2017 | 28327647 |
dry matter production and photosynthetic capacity in gossypium hirsutum l. under conditions of slightly suboptimum leaf temperatures and high levels of irradiance. | gossypium hirsutum l. var. delta pine 61 was cultivated in controlled-environment chambers at 1000-1100 μmol photosynthetically active photons m(-2) s(-1) (medium photon flux density) and at 1800-2000 μmol photons m(-2) s(-1) (high photon flux density), respectively. air temperatures ranged from 20° to 34°c during 12-h light periods, whereas during dark periods temperature was 25° c in all experiments. as the leaf temperature decreased from about 33° to 27° c, marked reductions in dry matter pro ... | 1991 | 28313835 |
temporal and spatial variation in palatability of soybean and cotton leaves following wounding. | leaves of soybean (glycine max (l.) merr.) and cotton (gossypium hirsutum l.) were mechanically damaged with a single hole and offered to spodoptera littoralis boisd (lep., noctuidae) larvae in laboratory bioassays at intervals of between 0 and 7 days from damage. the subsequent within-leaf grazing patterns of damaged and undamaged areas were compared using an image-analysing computer, and estimations were made by eye of percentage, areas grazed at three spatial scales. reduction in palatability ... | 1989 | 28313487 |
carotenoid composition and photon-use efficiency of photosynthesis ingossypium hirsutum l. grown under conditions of slightly suboptimum leaf temperatures and high levels of irradiance. | cotton (gossypium hirsutum l. var. dp 61) was grown at different temperatures during 12-h light periods, with either 1800-2000 μmol photons m(-2) s(-1) (high photon flux density, pfd) or 1000-1100 μmol m(-2) s(-1) (medium pfd) incident on the plants. night temperature was 25°c in all experiments. growth was less when leaf temperatures were below 30°c during illumination, the effect being greater in plants grown with high pfd (winter and königer 1991). leaf pigment composition and the photon-use ... | 1991 | 28313261 |
the responses of stomata and leaf gas exchange to vapour pressure deficits and soil water content : i. species comparisons at high soil water contents. | the responses of photosynthesis, transpiration and leaf conductance to changes in vapour pressure deficit were followed in well-watered plants of the herbaceous species, helianthus annuus, helianthus nuttallii, pisum sativum and vigna unguiculata, and in the woody species having either sclerophyllous leaves, arbutus unedo, nerium oleander and pistacia vera, or mesomorphic leaves, corylus avellana, gossypium hirsutum and prunus dulcis. when the vapour pressure deficit of the air around a single l ... | 1984 | 28311208 |
interference among cotton neighbours after differential reproductive damage. | in indeterminate plant species, the rate of vegetative growth usually declines during the stage of active reproductive growth. fruit shedding, as induced by insect herbivores, could counteract this decline. due to the relative increase in vegetative growth, plants that have suffered reproductive damage could be better able to intercept light and acquire soil resources than undamaged plants. if so, plants with damaged neighbours might grow less than their counterparts with smaller, undamaged neig ... | 1997 | 28307540 |
population structure and genetic basis of the agronomic traits of upland cotton in china revealed by a genome-wide association study using high-density snps. | gossypium hirsutum l. represents the largest source of textile fibre, and china is one of the largest cotton-producing and cotton-consuming countries in the world. to investigate the genetic architecture of the agronomic traits of upland cotton in china, a diverse and nationwide population containing 503 g. hirsutum accessions was collected for a genome-wide association study (gwas) on 16 agronomic traits. the accessions were planted in four places from 2012 to 2013 for phenotyping. the cottonsn ... | 2017 | 28301713 |
the glutathione peroxidase gene family in gossypium hirsutum: genome-wide identification, classification, gene expression and functional analysis. | the plant glutathione peroxidase (gpx) family consists of multiple isoenzymes with distinct subcellular locations, tissue-specific expression patterns and environmental stress responses. in this study, 13 putative gpxs from the genome of gossypium hirsutum (ghgpxs) were identified and a conserved pattern among plant gpxs were exhibited, besides this they also responded to multiple environmental stresses and we predicted that they had hormone responsive cis-elements in their promoter regions. mos ... | 2017 | 28300195 |
targeted mutagenesis in cotton (gossypium hirsutum l.) using the crispr/cas9 system. | the crispr (clustered regularly interspaced short palindromic repeats)/cas9 system has been widely used for genome editing in various plants because of its simplicity, high efficiency and design flexibility. however, to our knowledge, there is no report on the application of crispr/cas9-mediated targeted mutagenesis in cotton. here, we report the genome editing and targeted mutagenesis in upland cotton (gossypium hirsutum l., hereafter cotton) using the crispr/cas9 system. we designed two guide ... | 2017 | 28287154 |
a glycine max homolog of non-race specific disease resistance 1 (ndr1) alters defense gene expression while functioning during a resistance response to different root pathogens in different genetic backgrounds. | a glycine max homolog of the arabidopsis thaliana non-race specific disease resistance 1 (ndr1) coiled-coil nucleotide binding leucine rich repeat (cc-nb-lrr) defense signaling gene (gm-ndr1-1) is expressed in root cells undergoing a defense response to the root pathogenic nematode, heterodera glycines. gm-ndr1-1 overexpression in the h. glycines-susceptible genotype g. max[williams 82/pi 518671] impairs parasitism. in contrast, gm-ndr1-1 rna interference (rnai) in the h. glycines-resistant geno ... | 2017 | 28273511 |
cotton defense induction patterns under spatially, temporally and quantitatively varying herbivory levels. | in its defense against herbivores, cotton (gossypium sp.) relies in part on the production of a set of inducible, non-volatile terpenoids. under uniform damage levels, in planta allocation of induced cotton terpenoids has been found to be highest in youngest leaves, supporting assumptions of the optimal defense theory (odt) which predicts that plants allocate defense compounds to tissues depending on their value and the likelihood of herbivore attack. however, our knowledge is limited on how var ... | 2017 | 28270830 |
asymmetric subgenome selection and cis-regulatory divergence during cotton domestication. | comparative population genomics offers an excellent opportunity for unraveling the genetic history of crop domestication. upland cotton (gossypium hirsutum) has long been an important economic crop, but a genome-wide and evolutionary understanding of the effects of human selection is lacking. here, we describe a variation map for 352 wild and domesticated cotton accessions. we scanned 93 domestication sweeps occupying 74 mb of the a subgenome and 104 mb of the d subgenome, and identified 19 cand ... | 2017 | 28263319 |
crispr/cas9-mediated targeted mutagenesis in upland cotton (gossypium hirsutum l.). | the clustered, regularly interspaced, short palindromic repeats (crispr)/crispr associated (cas)9 protein system has emerged as a simple and efficient tool for genome editing in eukaryotic cells. it has been shown to be functional in several crop species, yet there are no reports on the application of this or any other genome editing technologies in the cotton plant. cotton is an important crop that is grown mainly for its fiber, but its seed also serves as a useful source of edible oil and feed ... | 2017 | 28258551 |
a high-efficiency crispr/cas9 system for targeted mutagenesis in cotton (gossypium hirsutum l.). | the complex allotetraploid genome is one of major challenges in cotton for repressing gene expression. developing site-specific dna mutation is the long-term dream for cotton breeding scientists. the clustered regularly interspaced short palindromic repeats/crispr-associated protein 9 (crispr/cas9) system is emerging as a robust biotechnology for targeted-dna mutation. in this study, two sgrnas, ghmyb25-like-sgrna1 and ghmyb25-like-sgrna2, were designed in the identical genomic regions of ghmyb2 ... | 2017 | 28256588 |
identification of marker-trait associations for lint traits in cotton. | harvesting high quality lint, a long-awaited breeding goal-accomplished partly, can be achieved by identifying dna markers which could be used for diagnosing cotton plants containing the desired traits. in the present studies, a total of 185 cotton genotypes exhibiting diversity for lint traits were selected from a set of 546 genotypes evaluated for fiber traits in 2009. these genotypes were extensively studied for three consecutive years (2011-2013) at three different locations. significant gen ... | 2017 | 28220132 |
genomic insights into divergence and dual domestication of cultivated allotetraploid cottons. | cotton has been cultivated and used to make fabrics for at least 7000 years. two allotetraploid species of great commercial importance, gossypium hirsutum and gossypium barbadense, were domesticated after polyploidization and are cultivated worldwide. although the overall genetic diversity between these two cultivated species has been studied with limited accessions, their population structure and genetic variations remain largely unknown. | 2017 | 28219438 |
quantification of climate warming and crop management impacts on cotton phenology. | understanding the impact of the warming trend on phenological stages and phases of cotton (gossypium hirsutum l.) in central and lower punjab, pakistan, may assist in optimizing crop management practices to enhance production. this study determined the influence of the thermal trend on cotton phenology from 1980-2015 in 15 selected locations. the results demonstrated that observed phenological stages including sowing (s), emergence (e), anthesis (a) and physiological maturity (m) occurred earlie ... | 2017 | 28208605 |
genome-wide identification of the tify gene family in three cultivated gossypium species and the expression of jaz genes. | tify proteins are plant-specific proteins containing tify, jaz, ppd and zml subfamilies. a total of 50, 54 and 28 members of the tify gene family in three cultivated cotton species-gossypium hirsutum, gossypium barbadense and gossypium arboretum-were identified, respectively. the results of phylogenetic analysis showed that these tify genes were divided into eight clusters. the different clusters of gene family members often have similar gene structures, including the number of exons. the result ... | 2017 | 28186193 |
comparative host selection responses of specialist (helicoverpa assulta) and generalist (helicoverpa armigera) moths in complex plant environments. | we tested the behavioral responses of ovipositing females and natal larvae of two sibling species, a generalist helicoverpa armigera (hübner) and a specialist helicoverpa assulta (guenée), to odor sources emitted from different combinations of six plant species (tobacco, nicotiana tabacum; hot pepper, capsicum annuum; tomato, solanum esculentum; cotton, gossypium hirsutum; peanut, arachis hypogaea; maize, zea mays). under the conditions of plant materials versus corresponding controls, both stag ... | 2017 | 28182679 |
ghmyb1 regulates scw stage-specific expression of the ghgdsl promoter in the fibres of gossypium hirsutum l. | secondary cell wall (scw) biosynthesis is an important stage of the cotton fibre development, and its transcriptional regulation is poorly understood. we selected the gossypium hirsutum gdsl (ghgdsl) lipase/hydrolase gene (cotad_74480), which is expressed during scw biosynthesis (19 through to 25 days postanthesis; dpa), for study. t1 -transgenic cotton lines expressing the β-glucuronidase (gus) reporter under the control of a 1026-bp promoter fragment of ghgdsl (pghgdsl ) showed 19 dpa stage-sp ... | 2017 | 28182326 |
application of bacteria from non-cultivated plants to promote growth, alter root architecture and alleviate salt stress of cotton. | cotton seeds are frequently treated with acid to remove fibres and reduce seed-transmitted diseases. this process also eliminates beneficial bacteria on the seed surface. the goal of this research was to seek and apply beneficial bacteria to acid delinted cotton seeds to evaluate their growth-promoting and salt stress alleviating effects in seedlings. | 2017 | 28176460 |
functional characterization of agamous-subfamily members from cotton during reproductive development and in response to plant hormones. | expression analysis of the ag -subfamily members from g. hirsutum during flower and fruit development. reproductive development in cotton, including the fruit and fiber formation, is a complex process; it involves the coordinated action of gene expression regulators, and it is highly influenced by plant hormones. several studies have reported the identification and expression of the transcription factor family mads-box members in cotton ovules and fibers; however, their roles are still elusive d ... | 2017 | 28176007 |
combined elevated temperature and soil waterlogging stresses inhibit cell elongation by altering osmolyte composition of the developing cotton (gossypium hirsutum l.) fiber. | soil waterlogging events and high temperature conditions occur frequently in the yangtze river valley, yet the effects of these co-occurring stresses on fiber elongation have received little attention. in the current study, the combined effect of elevated temperature (et) and soil waterlogging (sw) more negatively affected final fiber length (reduced by 5.4%-11.3%) than either stress alone by altering the composition of osmotically active solutes (sucrose, malate, and k(+)), where sw had the mos ... | 2017 | 28167033 |
diversity analysis of cotton (gossypium hirsutum l.) germplasm using the cottonsnp63k array. | cotton germplasm resources contain beneficial alleles that can be exploited to develop germplasm adapted to emerging environmental and climate conditions. accessions and lines have traditionally been characterized based on phenotypes, but phenotypic profiles are limited by the cost, time, and space required to make visual observations and measurements. with advances in molecular genetic methods, genotypic profiles are increasingly able to identify differences among accessions due to the larger n ... | 2017 | 28158969 |
gossypium arboreum accessions resistant to rotylenchulus reniformis. | in the southeastern united states, reniform nematode (rotylenchulus reniformis) is a serious pest of upland cotton (gossypium hirsutum), a species which has no naturally occurring resistance against this nematode. to identify sources of reniform nematode resistance in species closely related to upland cotton, 222 g. arboreum accessions from the u.s. germplasm collection were evaluated in repeated growth chamber experiments. in initial screenings, root infection was measured 4 wks after inoculati ... | 2016 | 28154428 |
fine-mapping qfs07.1 controlling fiber strength in upland cotton (gossypium hirsutum l.). | key message: qfs07.1 controlling fiber strength was fine-mapped to a 62.6-kb region containing four annotated genes. rt-qpcr and sequence of candidate genes identified an lrr rlk gene as the most likely candidate. fiber strength is an important component of cotton fiber quality and is associated with other properties, such as fiber maturity, fineness, and length. stable qtl qfs07.1, controlling fiber strength, had been identified on chromosome 7 in an upland cotton recombinant inbred line (ril) ... | 2017 | 28144698 |
genome-wide divergence, haplotype distribution and population demographic histories for gossypium hirsutum and gossypium barbadense as revealed by genome-anchored snps. | use of 10,129 singleton snps of known genomic location in tetraploid cotton provided unique opportunities to characterize genome-wide diversity among 440 gossypium hirsutum and 219 g. barbadense cultivars and landrace accessions of widespread origin. using the snps distributed genome-wide, we examined genetic diversity, haplotype distribution and linkage disequilibrium patterns in the g. hirsutum and g. barbadense genomes to clarify population demographic history. diversity and identity-by-state ... | 2017 | 28128280 |
dissecting genetic network of fruit branch traits in upland cotton by association mapping using ssr markers. | genetic architecture of branch traits has large influences on the morphological structure, photosynthetic capacity, planting density, and yield of upland cotton (gossypium hirsutum l.). this research aims to reveal the genetic effects of six branch traits, including bottom fruit branch node number (bfbnn), bottom fruit branch length (bfbl), middle fruit branch node number (mfbnn), middle fruit branch length (mfbl), upper fruit branch node number (ufbnn), and upper fruit branch length (ufbl). ass ... | 2017 | 28121983 |
fatty acid and proximate composition of bee bread. | palynological spectrum, proximate and fatty acid (fa) composition of eight bee bread samples of different botanical origins were examined and significant variations were observed. the samples were all identified as monofloral, namely castanea sativa (94.4%), trifolium spp. (85.6%), gossypium hirsutum (66.2%), citrus spp. (61.4%) and helianthus annuus (45.4%). each had moisture content between 11.4 and 15.9%, ash between 1.9 and 2.54%, fat between 5.9 and 11.5%, and protein between 14.8 and 24.3% ... | 2016 | 28115909 |
ascorbate alleviates fe deficiency-induced stress in cotton (gossypium hirsutum) by modulating aba levels. | fe deficiency causes significant losses to crop productivity and quality. to understand better the mechanisms of plant responses to fe deficiency, we used an in vitro cotton ovule culture system. we found that fe deficiency suppressed the development of ovules and fibers, and led to tissue browning. rna-seq analysis showed that the myo-inositol and galacturonic acid pathways were activated and cytosolic apx (ascorbate peroxidase) was suppressed in fe-deficient treated fibers, which increased asc ... | 2016 | 28101095 |
ectopic expression of two areb/abf orthologs increases drought tolerance in cotton (gossypium hirsutum). | plants have evolved complex molecular, cellular and physiological mechanisms to respond to environmental stressors. because of the inherent complexity of this response, genetic manipulation to substantially improve water deficit tolerance, particularly in agricultural crops, has been largely unsuccessful, as the improvements are frequently accompanied by slower growth and delayed reproduction. here, we ectopically express two abiotic stress-responsive bzip areb/abf transcription factor orthologs ... | 2017 | 28098349 |
functional characterization of a novel jasmonate zim-domain interactor (ninja) from upland cotton (gossypium hirsutum). | the jasmonic acid (ja) signalling pathway plays roles in plant development and defence against biotic and abiotic stresses. we isolated a cotton ninja (novel interactor of ja zim-domain) gene, designated ghninja, which contains a 1305 bp open read frame. the ghninja gene encodes a 434 amino acid peptide. according to quantitative real-time pcr analysis, ghninja is preferentially expressed in roots, and its expression level is greatly induced by verticillium dahliae infection. through a virus-ind ... | 2017 | 28086169 |
cotip: cotton tilling platform, a resource for plant improvement and reverse genetic studies. | cotton is cultivated worldwide for its white fiber, of which around 90% is tetraploid upland cotton (gossypium hirsutum l.) carrying both a and d genome. since centuries, yield increasing efforts for the cotton crop by conventional breeding approaches have caused an extensive erosion of natural genetic variability. mutation based improvement strategies provide an effective way of creating new allelic variations. targeting induced local lesions in genomes (tilling) provides a mutation based rever ... | 2016 | 28082993 |
transgenic cotton expressing cry10aa toxin confers high resistance to the cotton boll weevil. | genetically modified (gm) cotton plants that effectively control cotton boll weevil (cbw), which is the most destructive cotton insect pest in south america, are reported here for the first time. this work presents the successful development of a new gm cotton with high resistance to cbw conferred by cry10aa toxin, a protein encoded by entomopathogenic bacillus thuringiensis (bt) gene. the plant transformation vector harbouring cry10aa gene driven by the cotton ubiquitination-related promoter uc ... | 2017 | 28081289 |
a gly65val substitution in an actin, ghact_li1, disrupts cell polarity and f-actin organization resulting in dwarf, lintless cotton plants. | actin polymerizes to form part of the cytoskeleton and organize polar growth in all eukaryotic cells. species with numerous actin genes are especially useful for the dissection of actin molecular function due to redundancy and neofunctionalization. here, we investigated the role of a cotton (gossypium hirsutum) actin gene in the organization of actin filaments in lobed cotyledon pavement cells and the highly elongated single-celled trichomes that comprise cotton lint fibers. using mapping-by-seq ... | 2017 | 28078746 |
microrna 157-targeted spl genes regulate floral organ size and ovule production in cotton. | micrornas (mirnas) have been involved in regulation of diverse spectrum of plant development processes in many species. in cotton, few mirnas have been well characterised in floral organ development. floral organ, which should be finely tuned, is a crucial factor affecting the yield of cotton. therefore, it is well worth revealing the function of mirnas in regulation of floral organ development. here, we report the role of mirna156/157 in regulation of floral organ size in cotton. | 2017 | 28068913 |
genome-wide association study discovered genetic variation and candidate genes of fibre quality traits in gossypium hirsutum l. | genetic improvement of fibre quality is one of the main breeding goals for the upland cotton, gossypium hirsutum, but there are difficulties with precise selection of traits. therefore, it is important to improve the understanding of the genetic basis of phenotypic variation. in this study, we conducted phenotyping and genetic variation analyses of 719 diverse accessions of upland cotton based on multiple environment tests and a recently developed cotton 63k illumina infinium snp array and perfo ... | 2017 | 28064470 |
optimizing the phosphorus use in cotton by using csm-cropgro-cotton model for semi-arid climate of vehari-punjab, pakistan. | crop nutrient management is an essential component of any cropping system. with increasing concerns over environmental protection, improvement in fertilizer use efficiencies has become a prime goal in global agriculture system. phosphorus (p) is one of the most important nutrients, and strategies are required to optimize its use in important arable crops like cotton (gossypium hirsutum l.) that has great significance. sustainable p use in crop production could significantly avoid environmental h ... | 2017 | 28054268 |
identification of a new cotton disease caused by an atypical cotton leafroll dwarf virus in argentina. | an outbreak of a new disease occurred in cotton (gossypium hirsutum) fields in northwest argentina starting in the 2009-10 growing season and is still spreading steadily. the characteristic symptoms of the disease included slight leaf rolling and a bushy phenotype in the upper part of the plant. in this study, we determined the complete nucleotide sequences of two independent virus genomes isolated from cotton blue disease (cbd)-resistant and -susceptible cotton varieties. this virus genome comp ... | 2017 | 28035870 |
interaction of transgenic and natural insect resistance mechanisms against spodoptera littoralis in cotton. | insect-resistant transgenic plants that express insecticidal cry proteins from bacillus thuringiensis (bt) are grown on millions of hectares worldwide. while these proteins are efficient in controlling key lepidopteran pests, not all pests are affected and the development of resistance in target pests is always a concern. these shortcomings could be addressed by exploiting the natural insect resistance of cotton, especially inducible terpenoids such as gossypol. | 2016 | 28019063 |
polymorphism analysis of multi-parent advanced generation inter-cross (magic) populations of upland cotton developed in china. | upland cotton (gossypium hirsutum l.) is an important cash crop that provides renewable natural fiber worldwide. currently limited genetic base leads to a decrease in upland cotton genetic diversity. multi-parent advance generation inter-cross (magic) populations can be used to evaluate complex agronomic traits in crops. in this study, we developed an upland cotton magic population. a total of 258 magic population lines and their twelve founder lines were analyzed, using 432 pairs of simple sequ ... | 2016 | 28002582 |
modifications to a late meristem identity1 gene are responsible for the major leaf shapes of upland cotton (gossypium hirsutum l.). | leaf shape varies spectacularly among plants. leaves are the primary source of photoassimilate in crop plants, and understanding the genetic basis of variation in leaf morphology is critical to improving agricultural productivity. leaf shape played a unique role in cotton improvement, as breeders have selected for entire and lobed leaf morphs resulting from a single locus, okra (l-d1), which is responsible for the major leaf shapes in cotton. the l-d1 locus is not only of agricultural importance ... | 2017 | 27999177 |
comparison of ionomic and metabolites response under alkali stress in old and young leaves of cotton (gossypium hirsutum l.) seedlings. | soil salinization is an important agriculture-related environmental problem. alkali stress and salt stress strongly influence the metabolic balance in plants. salt and alkali stresses exert varied effects on old and young tissues, which display different adaptive strategies. in this study, we used cotton (gossypium hirsutum l.) plants as experimental material to investigate whether alkali stress induces ionic and metabolism changes in old and young leaves of cotton plants exposed to alkali stres ... | 2016 | 27933088 |
the cotton β-galactosyltransferase 1 (galt1) that galactosylates arabinogalactan proteins participates in controlling fiber development. | arabinogalactan proteins (agps) are highly glycosylated proteins that play pivotal roles in diverse developmental processes in plants. type-ii ag glycans, mostly o-linked to the hydroxyproline residues of the protein backbone, account for up to 95% w/w of the agp, but their functions are still largely unclear. cotton fibers are extremely elongated single-cell trichomes on the seed epidermis; however, little is known of the molecular basis governing the regulation of fiber cell development. here, ... | 2017 | 27888523 |
genetic gains from selection for fiber traits in gossypium hirsutum l. | brazil is among the five largest producers of cotton in the world, cultivating the species gossypium hirsutum l. r. latifolium hutch. the cultivars should have good fiber quality as well as yield. genetic improvement of fiber traits requires the study of the genetic structure of the populations under improvement, leading to the identification of promising parent plants. to this end, it is important to acquire some information, such as estimates of genetic variance components and heritability coe ... | 2016 | 27886330 |
molecular characterization of ghpldα1 and its relationship with secondary cell wall thickening in cotton fibers. | phospholipase d (pld) hydrolyzes phospholipids to generate a free polar head group (e.g., choline) and a second messenger phosphatidic acid and plays diverse roles in plant growth and development, including seed germination, leaf senescence, root hair growth, and hypocotyl elongation. however, the function of pld in cotton remains largely unexplored. here, the comprehensive molecular characterization of ghpldα1 was explored with its role in upland cotton (gossypium hirsutum) fiber development. t ... | 2017 | 27864277 |
leaf hydraulic conductance and mesophyll conductance are not closely related within a single species. | stomata represent one resistor in a series of resistances for carbon and water exchange between the leaf and the atmosphere; the remaining resistors occurring within the leaf, commonly represented as mesophyll conductance to co2 , gm , and leaf hydraulic conductance, kleaf . recent studies have proposed that gm and kleaf may be coordinated across species because of shared pathways. we assessed the correlation between gm and kleaf within cotton, under growth co2 partial pressure and irradiance tr ... | 2017 | 27861995 |
high-density linkage map construction and qtl analysis for earliness-related traits in gossypium hirsutum l. | gossypium hirsutum l., or upland cotton, is an important renewable resource for textile fiber. to enhance understanding of the genetic basis of cotton earliness, we constructed an intra-specific recombinant inbred line population (ril) containing 137 lines, and performed linkage map construction and quantitative trait locus (qtl) mapping. | 2016 | 27835938 |
comparative genome-wide analysis of the malate dehydrogenase gene families in cotton. | malate dehydrogenases (mdhs) play crucial roles in the physiological processes of plant growth and development. in this study, 13 and 25 mdh genes were identified from gossypium raimondii and gossypium hirsutum, respectively. using these and 13 previously reported gossypium arboretum mdh genes, a comparative molecular analysis between identified mdh genes from g. raimondii, g. hirsutum, and g. arboretum was performed. based on multiple sequence alignments, cotton mdhs were divided into five subg ... | 2016 | 27829020 |
quantitative trait loci analysis of verticillium wilt resistance in interspecific backcross populations of gossypium hirsutum × gossypium barbadense. | verticillium wilt (vw) caused by verticillium dahliae (kleb) is one of the most destructive diseases of cotton. the identification of highly resistant qtls or genes in the whole cotton genome is quite important for developing a vw-resistant variety and for further molecular design breeding. | 2016 | 27814678 |
development, genetic mapping and qtl association of cotton phya, phyb, and hy5-specific caps and dcaps markers. | among snp markers that become increasingly valuable in molecular breeding of crop plants are the caps and dcaps markers derived from the genes of interest. to date, the number of such gene-based markers is small in polyploid crop plants such as allotetraploid cotton that has a- and d-sub-genomes. the objective of this study was to develop and map new caps and dcaps markers for cotton developmental-regulatory genes that are important in plant breeding programs. | 2016 | 27776497 |
small rna-mediated responses to low- and high-temperature stresses in cotton. | micrornas (mirnas) are one class of endogenous non-coding rnas modulating the expression of target genes involved in plant development and stress tolerance, by degrading mrna or repressing translation. in this study, small rna and mrna degradome sequencing were used to identify low- and high-temperature stress-responsive mirnas and their targets in cotton (gossypium hirsutum). cotton seedlings were treated under different temperature conditions (4, 12, 25, 35, and 42 °c) and then the effects wer ... | 2016 | 27752116 |
identification and functional analysis of micrornas involved in the anther development in cotton genic male sterile line yu98-8a. | hybrid vigor contributes in a large way to the yield and quality of cotton (gossypium hirsutum) fiber. although micrornas play essential regulatory roles in flower induction and development, it is still unclear if micrornas are involved in male sterility, as the regulatory molecular mechanisms of male sterility in cotton need to be better defined. in this study, two independent small rna libraries were constructed and sequenced from the young buds collected from the sporogenous cell formation to ... | 2016 | 27739413 |
spatio-temporal, genotypic, and environmental effects on plant soluble protein and digestible carbohydrate content: implications for insect herbivores with cotton as an exemplar. | plant soluble protein and digestible carbohydrate content significantly affect insect herbivore fitness, but studies reporting plant protein and carbohydrate content are rare. instead, the elements nitrogen and carbon often are used as surrogates for plant protein and digestible carbohydrate content, respectively. however, this is problematic for two reasons. first, carbon is found in all organic molecules, which precludes strong correlations with ecologically important dietary macronutrients (e ... | 2016 | 27738861 |