Publications
| Title | Abstract | Year(sorted descending) Filter | PMID Filter |
|---|
| chemical constituents of sweetpotato genotypes in relation to textural characteristics of processed french fries. | sweetpotato french fries (spff) are growing in popularity, however limited information is available on spff textural properties in relation to chemical composition. this study investigated the relationship between chemical components of different sweetpotato varieties and textural characteristics of spff. sixteen sweetpotato genotypes were evaluated for (1) chemical constituents; (2) instrumental and sensory textural properties of spff; and (3) the relationship between chemical components, instr ... | 2018 | 29178339 |
| evaluation of structure and bioprotective activity of key high molecular weight acylated anthocyanin compounds isolated from the purple sweet potato (ipomoea batatas l. cultivar eshu no.8). | in order to figure out the key acylated anthocyanin compounds accounting for the bioprotective activity of purple sweet potato (ipomoea batatas l.), ods packing column, semi-preparative hplc method, activity evaluation assays, and ultra-high-performance liquid chromatography with quadrupole time-of-flight tandem mass spectrometry (uplc-qtof-ms) assays were employed. additionally, our study revealed that the structures of two acylated monomeric anthocyanins, cyanidin 3-caffeoyl-feruloyl sophorosi ... | 2018 | 28958523 |
| evaluation of the effects of sweet potato (ipomoea batatas (l.) lam) in broiler diets. | cereal grains such as maize and wheat are used extensively in feed formulations for poultry as the primary source of carbohydrates. high cost of these grains in many developing countries necessitates the evaluation of other ingredients that are grown locally. sweet potato is one such crop. the study was conducted as a proof of concept experiment to test the hypothesis that in the presence and absence of enzyme, sweet potato roots when included in diets of broiler chickens may affect the total me ... | 2018 | 28603839 |
| effect of different home-cooking methods on textural and nutritional properties of sweet potato genotypes grown in temperate climate conditions. | the european union (eu) market for sweet potato is small but is growing considerably and and has increased by 100% over the last 5 years. the cultivation of sweet potato in temperate climate conditions has not considered extensively and could be a new opportunity for the eu market. healthy and qualitative traits of different sweet potato cultivars grown in temperate climate conditions were evaluated in accordance with four cooking methods. | 2018 | 28653506 |
| ibor regulates photosynthesis under heat stress by stabilizing ibpsbp in sweetpotato. | the orange (or) protein regulates carotenoid biosynthesis and environmental stress in plants. previously, we reported that overexpression of the sweetpotato [ipomoea batatas (l.) lam] or gene (ibor) in transgenic arabidopsis (referred to as ibor-ox/at) increased the efficiency of photosystem ii (psii) and chlorophyll content after heat shock. however, little is known about the role of ibor in psii-mediated protection against abiotic stress. in this study, comparative proteomics revealed that exp ... | 2017 | 28642783 |
| feed and fuel: the dual-purpose advantage of an industrial sweetpotato. | sustainable agricultural systems must support nutritional requirements, meet the energy demands of a growing population, preserve environmental resources and mitigate climate change. the sweetpotato (ipomoea batatas l.) is a high-yielding crop that requires minimal fertilization and irrigation, and the cx-1 industrial cultivar offers superior potential for feed and fuel. | 2017 | 27405855 |
| zinc, copper, or cerium accumulation from metal oxide nanoparticles or ions in sweet potato: yield effects and projected dietary intake from consumption. | the potential release of metal oxide engineered nanoparticles (enp) into agricultural systems has created the need to evaluate the impact of these materials on crop yield and food safety. the study here grew sweet potato (ipomoea batatas) to maturity in field microcosms using substrate amended with three concentrations (100, 500 or 1000 mg kg dw-1) of either nzno, ncuo, or nceo2 or equivalent amounts of zn2+, cu2+, or ce4+. adverse effects on tuber biomass were observed only for the highest conc ... | 2017 | 27102448 |
| genetic analysis and association of simple sequence repeat markers with storage root yield, dry matter, starch and β-carotene content in sweetpotato. | molecular markers are needed for enhancing the development of elite sweetpotato (ipomoea batatas (l.) lam) cultivars with a wide range of commercially important traits in sub-saharan africa. this study was conducted to estimate the heritability and determine trait correlations of storage root yield, dry matter, starch and β-carotene content in a cross between 'new kawogo' × 'beauregard'. the study was also conducted to identify simple sequence repeat (ssr) markers associated with these traits. a ... | 2017 | 28588391 |
| anthocyanins from purple sweet potato (ipomoea batatas (l.) lam.) and their color modulation by the addition of phenolic acids and food-grade phenolic plant extracts. | anthocyanin profiles and contents of three purple sweet potato provenances were investigated by hplc-dad-msn. in contrast to widely uniform profiles, the contents of total (558-2477mg/100gdm) and individual anthocyanins varied widely. furthermore, quantitative and qualitative effects of intermolecular co-pigmentation were studied by adding chlorogenic and rosmarinic acids, and food-grade phenolic apple and rosemary extracts at various dosages to a diluted purple sweet potato concentrate at ph 0. ... | 2017 | 28554635 |
| structure of sweet potato (ipomoea batatas) diversity in west africa covaries with a climatic gradient. | sub-saharan agriculture has been identified as vulnerable to ongoing climate change. adaptation of agriculture has been suggested as a way to maintain productivity. better knowledge of intra-specific diversity of varieties is prerequisites for the successful management of such adaptation. among crops, root and tubers play important roles in food security and economic growth for the most vulnerable populations in africa. here, we focus on the sweet potato. the sweet potato (ipomoea batatas) was d ... | 2017 | 28552989 |
| effect of high pressure on the saccharification of starch in the tuberous root of sweet potato (ipomoea batatas). | we analyzed the effect of high hydrostatic pressure (hhp) treatment on reducing sugar production in the tuberous root of sweet potato (ipomoea batatas), based on pressure-gelatinization of starch and subsequent saccharification by internal amylases. hhp treatment at up to 600mpa at ambient temperature for 10min did not apparently affect the reducing sugar concentration in tuberous root. however, hhp treatment at 100 to 500mpa and 60°c or 70°c for 10min increased reducing sugar concentration as b ... | 2017 | 28506613 |
| cloning and characterization of a novel gigantea gene in sweet potato. | the transition from vegetative to reproductive growth, a key event in the lifecycle of a plant, is affected by environmental stresses. the flowering-time regulator gigantea (gi) may be contributing to susceptibility of the regulation of photoperiodic flowering, circadian rhythm control, and abiotic stress resistance in arabidopsis. however, the role of gi in sweet potato remains unknown. here, we isolated and characterized a gi gene (ibgi) from sweet potato (ipomoea batatas [l.] lam). the ibgi c ... | 2017 | 28486137 |
| plastidial α-glucan phosphorylase 1 complexes with disproportionating enzyme 1 in ipomoea batatas storage roots for elevating malto-oligosaccharide metabolism. | it has been proposed that malto-oligosaccharides (moss) are possibly recycled back into amylopectin biosynthesis via the sequential reactions catalyzed by plastidial α-glucan phosphorylase 1 (pho1) and disproportionating enzyme 1 (dpe1). in the present study, the reciprocal co-immunoprecipitation experiments using specific antibodies against pho1 and dpe1 demonstrated that these two enzymes can form a complex (the pd complex) in ipomoea batatas storage roots. the immunohistochemistry analyses al ... | 2017 | 28472155 |
| carbohydrate components in sweetpotato storage roots: their diversities and genetic improvement. | carbohydrates are important components in sweetpotatoes in terms of both their industrial use and eating quality. although there has been a narrow range of diversity in the properties of sweetpotato starch, unique varieties and experimental lines with different starch traits have been produced recently both by conventional breeding and genetic engineering. the diversity in maltose content, free sugar composition and textural properties in sweetpotato cultivars is also important for their eating ... | 2017 | 28465669 |
| functional components in sweetpotato and their genetic improvement. | in addition to the nutritionally important components such as starches, vitamins and minerals, storage roots and leaves of sweetpotato (ipomoea batatas) contains several components with health-promoting functions. of these, the functionalities of carotenoids, anthocyanins and caffeoylquinic acids have been well established by in vitro and in vivo experiments. several sweetpotato cultivars containing high levels of these components have been developed in japan; e.g., 'ayamurasaki', which has high ... | 2017 | 28465668 |
| challenges to genome sequence dissection in sweetpotato. | the development of next generation sequencing (ngs) technologies has enabled the determination of whole genome sequences in many non-model plant species. however, genome sequencing in sweetpotato (ipomoea batatas (l.) lam) is still difficult because of the hexaploid genome structure. previous studies suggested that a diploid wild relative, i. trifida (h.b.k.) don., is the most possible ancestor of sweetpotato. therefore, the genetic and genomic features of i. trifida have been studied as a poten ... | 2017 | 28465666 |
| metabolic engineering of carotenoids in transgenic sweetpotato. | sweetpotato [ipomoea batatas (l.) lam], which contains high levels of antioxidants such as ascorbate and carotenoids in its storage root, is one of the healthiest foods, as well as one of the best starch crops for growth on marginal lands. in plants, carotenoid pigments are involved in light harvesting for photosynthesis and are also essential for photo-protection against excess light. as dietary antioxidants in humans, these compounds benefit health by alleviating aging-related diseases. the st ... | 2017 | 28465665 |
| recent progress in sweetpotato breeding and cultivars for diverse applications in japan. | sweetpotato (ipomoea batatas (l.) lam.) is an outcrossing hexaploid that is cultivated in the tropics and warm-temperate regions of the world. sweetpotato has played an important role as a famine-relief crop during its long history and has recently been reevaluated as a health-promoting food. in japan, sweetpotato is used for a wide range of applications, such as table use, processed foods, and alcohol and starch production, and two groups at national agriculture research organization (naro) und ... | 2017 | 28465663 |
| combined application of biofertilizers and inorganic nutrients improves sweet potato yields. | sweet potato [ipomoea batatas (l) lam] yields currently stand at 4.5 t ha-1 on smallholder farms in uganda, despite the attainable yield (45-48 t ha-1) of naspot 11 cultivar comparable to the potential yield (45 t ha-1) in sub-saharan africa (ssa). on-farm field experiments were conducted for two seasons in the mt elgon high farmlands and lake victoria crescent agro-ecological zones in uganda to determine the potential of biofertilizers, specifically arbuscular mycorrhizal fungi (amf), to increa ... | 2017 | 28348569 |
| rapid quantitative determination of maltose and total sugars in sweet potato (ipomoea batatas l. [lam.]) varieties using hptlc. | when a raw sweet potato root is analysed, only sucrose, glucose and fructose are present but during cooking, starch is hydrolysed into maltose giving the sweet flavour to cooked roots. this study aimed at developing an hptlc protocol for the rapid quantitative determination of maltose and total sugars in four commercial varieties and to compare them to 243 hybrids grouped by flesh colour (white, orange, purple). in commercial varieties, mean maltose content varied from 10.26 to 15.60% and total ... | 2017 | 28298685 |
| a root-preferential dfr-like gene encoding dihydrokaempferol reductase involved in anthocyanin biosynthesis of purple-fleshed sweet potato. | purple-fleshed sweet potato is good for health due to rich anthocyanins in tubers. although the anthocyanin biosynthetic pathway is well understood in up-ground organs of plants, the knowledge on anthocyanin biosynthesis in underground tubers is limited. in the present study, we isolated and functionally characterized a root-preferential gene encoding dihydrokaempferol reductase (ibdhkr) from purple-fleshed sweet potato. ibdhkr showed highly similarity with the reported dihydroflavonol reductase ... | 2017 | 28293252 |
| a high-density snp genetic map consisting of a complete set of homologous groups in autohexaploid sweetpotato (ipomoea batatas). | sweetpotato (ipomoea batatas) is an autohexaploid species with 90 chromosomes (2n = 6x = 90) and a basic chromosome number of 15, and is therefore regarded as one of the most challenging species for high-density genetic map construction. here, we used single nucleotide polymorphisms (snps) identified by double-digest restriction site-associated dna sequencing based on next-generation sequencing technology to construct a map for sweetpotato. we then aligned the sequence reads onto the reference g ... | 2017 | 28281636 |
| genome-wide assessment of population structure and genetic diversity and development of a core germplasm set for sweet potato based on specific length amplified fragment (slaf) sequencing. | sweet potato, ipomoea batatas (l.) lam., is an important food crop that is cultivated worldwide. however, no genome-wide assessment of the genetic diversity of sweet potato has been reported to date. in the present study, the population structure and genetic diversity of 197 sweet potato accessions most of which were from china were assessed using 62,363 snps. a model-based structure analysis divided the accessions into three groups: group 1, group 2 and group 3. the genetic relationships among ... | 2017 | 28187178 |
| comparative analysis of the root transcriptomes of cultivated sweetpotato (ipomoea batatas [l.] lam) and its wild ancestor (ipomoea trifida [kunth] g. don). | the complex process of formation of storage roots (srs) from adventitious roots affects sweetpotato yield. identifying the genes that are uniquely expressed in the sr forming cultivated species, ipomoea batatas (ib), and its immediate ancestral species, ipomoea trifida (it), which does not form srs, may provide insights into the molecular mechanisms underlying sr formation in sweetpotato. | 2017 | 28086804 |
| transcriptome profiling of sweetpotato tuberous roots during low temperature storage. | sweetpotato [ipomoea batatas (l.) lam] is a globally important root crop with high industrial value. however, because sweetpotato tuberous roots undergo chilling injuries that negatively affect their quality at temperatures below 10 °c, postharvest damage during the winter season is a major constraint for industrialization. to understand chilling injury response during postharvest low temperature storage, we used next-generation sequencing technology to comprehensive analyze the transcriptome of ... | 2017 | 28056396 |
| fractionation, enzyme inhibitory and cellular antioxidant activity of bioactives from purple sweet potato (ipomoea batatas). | sweet potato (ipomoea batatas l.) is mainly cultivated in asia. the deep purple color of purple sweet potato (psp) is due to the high content of acylated anthocyanins. in the present study, psp-derived polyphenols were identified using hplc-pda and hplc-esi-msn analyses. after concentration of the polyphenols from psp, preparative separation into two fractions, designated anthocyanins (af) and copigments (cf), was carried out using adsorptive membrane chromatography. in enzyme inhibitory assays, ... | 2017 | 27979226 |
| h+ -pyrophosphatase ibvp1 promotes efficient iron use in sweet potato [ipomoea batatas (l.) lam.]. | iron (fe) deficiency is one of the most common micronutrient deficiencies limiting crop production globally, especially in arid regions because of decreased availability of iron in alkaline soils. sweet potato [ipomoea batatas (l.) lam.] grows well in arid regions and is tolerant to fe deficiency. here, we report that the transcription of type i h+ -pyrophosphatase (h+ -ppase) gene ibvp1 in sweet potato plants was strongly induced by fe deficiency and auxin in hydroponics, improving fe acquisiti ... | 2017 | 27864852 |
| sweet potato peels and cancer prevention. | a bioassay-guided fractionation of an alcoholic extract from the peels of ipomoea batatas lam has been carried out. sulforhodamine b and 2,2-diphenyl-1-picrylhydrazyl (dpph) assays were used to evaluate the anticancer and antioxidant potential, respectively, while silica gel column chromatography (cc) was used to isolate compounds that were characterized using 1d- and 2d-nmr (nuclear magnetic resonance) and mass spectrometry. the alcoholic extract was fractionated into n-hexane, ethyl acetate, n ... | 2017 | 27673552 |
| potential impacts of bioprocessing of sweet potato: review. | sweet potato (ipomoea batatas l.) is among the major food crops in the world and is cultivated in all tropical and subtropical regions particularly in asia, africa, and the pacific. asia and africa regions account for 95% of the world's production. among the root and tuber crops grown in the world, sweet potato ranks second after cassava. in previous decades, sweet potato represented food and feed security, now it offers income generation possibilities, through bioprocessing products. bioprocess ... | 2017 | 25975980 |
| intelligent ph indicator film composed of agar/potato starch and anthocyanin extracts from purple sweet potato. | a new colorimetric ph indicator film was developed using agar, potato starch, and natural dyes extracted from purple sweet potato, ipomoea batatas. both agar and potato starch are solid matrices used to immobilize natural dyes, anthocyanins. the ultraviolet-visible (uv-vis) spectrum of anthocyanin extract solutions and agar/potato starch films with anthocyanins showed color variations to different ph values (ph 2.0-10.0). fourier transform infrared (ft-ir) and uv-vis region spectra showed compat ... | 2017 | 27719887 |
| characterization and hepatoprotective activity of anthocyanins from purple sweet potato (ipomoea batatas l. cultivar eshu no. 8). | the hepatoprotective activity of anthocyanin-rich purple sweet potato extract (apspe) was demonstrated. sixty mice were randomly divided into six groups: control group [without carbon tetrachloride (ccl4) or apspe]; model group (with ccl4 only); positive control group (50 mg/kg body weight silymarin); low-dose group (100 mg/kg body weight apspe); medium-dose group (200 mg/kg body weight apspe); and high-dose group (400 mg/kg body weight apspe). after 10 days intragastric administration of the re ... | 2017 | 28911647 |
| water-deficit tolerance in sweet potato [ipomoea batatas (l.) lam.] by foliar application of paclobutrazol: role of soluble sugar and free proline. | the objective of this study was to elevate water deficit tolerance by improving soluble sugar and free proline accumulation, photosynthetic pigment stabilization, photosynthetic abilities, growth performance and storage root yield in sweet potato cv. 'tainung 57' using a foliar application of paclobutrazol (pbz). the experiment followed a completely randomized block design with four concentrations of pbz: 0 (control), 17, 34, and 51 μm before exposure to 47.5% (well irrigation), 32.3% (mild wate ... | 2017 | 28848596 |
| optimization of polysaccharide ultrasonic extraction conditions using purple sweet potato tubers based on free radical scavenging and glycosylation inhibitory bioactivities. | the purple sweet potato, ipomoea batatas, belongs to the family convolvulaceae. it is one of the most widely consumed tubers in asia and is found in many dishes. many people with diabetes eat purple sweet potato tubers to help reduce blood glucose in china. | 2017 | 28839380 |
| haplotype-resolved sweet potato genome traces back its hexaploidization history. | here we present the 15 pseudochromosomes of sweet potato, ipomoea batatas, the seventh most important crop in the world and the fourth most significant in china. by using a novel haplotyping method based on genome assembly, we have produced a half haplotype-resolved genome from ~296 gb of paired-end sequence reads amounting to roughly 67-fold coverage. by phylogenetic tree analysis of homologous chromosomes, it was possible to estimate the time of two recent whole-genome duplication events as oc ... | 2017 | 28827752 |
| overexpression of arabidopsis p3b increases heat and low temperature stress tolerance in transgenic sweetpotato. | sweetpotato (ipomoea batatas [l.] lam) is suitable for growth on marginal lands due to its abiotic stress tolerance. however, severe environmental conditions including low temperature pose a serious threat to the productivity and expanded cultivation of this crop. in this study, we aimed to develop sweetpotato plants with enhanced tolerance to temperature stress. | 2017 | 28806972 |
| use of [c4mim]cl for efficient extraction of caffeoylquinic acids from sweet potato leaves. | sweet potato, ipomoea batatas, is a widely cultivated vegetable worldwide. the leaves contain polyphenolic natural products called caffeoylquinic acids (cqas), which possess biological activities including inhibition of aggregation of amyloid peptides. the present study describes an efficient extraction and isolation procedure for cqas from sweet potato leaves using a cellulose-dissolving ionic liquid. the results showed that, compared to methanol, use of 1-butyl-3-methylimidazolium chloride ([c ... | 2017 | 28761111 |
| the potential of computer vision, optical backscattering parameters and artificial neural network modelling in monitoring the shrinkage of sweet potato (ipomoea batatas l.) during drying. | drying is a method used to preserve agricultural crops. during the drying of products with high moisture content, structural changes in shape, volume, area, density and porosity occur. these changes could affect the final quality of dried product and also the effective design of drying equipment. therefore, this study investigated a novel approach in monitoring and predicting the shrinkage of sweet potato during drying. drying experiments were conducted at temperatures of 50-70 °c and samples th ... | 2017 | 28758207 |
| a ζ-carotene desaturase gene, ibzds, increases β-carotene and lutein contents and enhances salt tolerance in transgenic sweetpotato. | ζ-carotene desaturase (zds) is one of the key enzymes in carotenoid biosynthesis pathway. however, the zds gene has not been applied to carotenoid improvement of plants. its roles in tolerance to abiotic stresses have not been reported. in this study, the ibzds gene was isolated from storage roots of sweetpotato (ipomoea batatas (l.) lam.) cv. nongdafu 14. its overexpression significantly increased β-carotene and lutein contents and enhanced salt tolerance in transgenic sweetpotato (cv. kokei no ... | 2017 | 28716419 |
| comparative transcriptome analysis reveals critical function of sucrose metabolism related-enzymes in starch accumulation in the storage root of sweet potato. | the starch properties of the storage root (sr) affect the quality of sweet potato (ipomoea batatas (l.) lam.). although numerous studies have analyzed the accumulation and properties of starch in sweet potato srs, the transcriptomic variation associated with starch properties in sr has not been quantified. in this study, we measured the starch and sugar contents and analyzed the transcriptome profiles of srs harvested from sweet potatoes with high, medium, and extremely low starch contents, at f ... | 2017 | 28690616 |
| segregation of hydroxycinnamic acid esters mediating sweetpotato weevil resistance in storage roots of sweetpotato. | resistance to sweetpotato weevils (cylas spp.) has been identified in several sweetpotato (ipomoea batatas) landraces from east africa and shown to be conferred by hydroxycinnamic acids that occur on the surface of storage roots. the segregation of resistance in this crop is unknown and could be monitored using these chemical traits as markers for resistance in f1 offspring from breeding programs. for the first time in a segregating population, we quantified the plant chemicals that confer resis ... | 2017 | 28659954 |
| phylogenetic placement and morphological characterization of sclerotium rolfsii (teleomorph: athelia rolfsii) associated with blight disease of ipomoea batatas in korea. | in this study, we aimed to characterize fungal samples from necrotic lesions on collar regions observed in different sweetpotato growing regions during 2015 and 2016 in korea. sclerotia appeared on the root zone soil surface, and white dense mycelia were observed. at the later stages of infection, mother roots quickly rotted, and large areas of the plants were destroyed. the disease occurrence was monitored at 45 and 84 farms, and 11.8% and 6.8% of the land areas were found to be infected in 201 ... | 2017 | 29138617 |
| characterization of dietary constituents and antioxidant capacity of tropaeolum pentaphyllum lam. | the aim of this study was to evaluate the nutritional content and antioxidant capacity of the tubers, leaves and, flowers of the species tropaeolum pentaphyllum lam. the three parts of the plant were analyzed by physicochemical methods, atomic absorption spectrometry, spectrophotometric and chromatographic techniques. the tubers, leaves, and flowers exhibited significant differences in all parameters evaluated. the leaves showed significantly higher values of protein (16.28 ± 0.02 g/100 g), tota ... | 2017 | 29051654 |
| syk - gtp rac-1 mediated immune-stimulatory effect of cuscuta epithymum, ipomoea batata and euphorbia hirta plant extracts. | polymorphonuclear neutrophils (pmnn) are the pivotal mediators of phagocytosis. in addition to neutropenia, impaired neutrophilic function is associated with pathological conditions and immuno-deficiencies. henceforth, immuno-stimulatory strategies targeting neutrophilic function are indeed powerful tools in combating obstinate infections. in appreciation towards the usefulness of herbal medicines in therapeutic scenario, the present study was carried out to analyse the immuno-stimulatory effect ... | 2017 | 29049977 |
| construction of a genetic map using est-ssr markers and qtl analysis of major agronomic characters in hexaploid sweet potato (ipomoea batatas (l.) lam). | the sweet potato, ipomoea batatas (l.) lam, is difficult to study in genetics and genomics because it is a hexaploid. the sweet potato study not have been performed domestically or internationally. in this study was performed to construct genetic map and quantitative trait loci (qtl) analysis. a total of 245 est-ssr markers were developed, and the map was constructed by using 210 of those markers. the total map length was 1508.1 cm, and the mean distance between markers was 7.2 cm. fifteen chara ... | 2017 | 29020092 |
| value-added probiotic development by high-solid fermentation of sweet potato with saccharomyces boulardii. | controlled fermentation of sweet potato (ipomoea batatas) var. beauregard by yeast, saccharomyces boulardii (may 796) to enhance the nutritional value of sweet potato was investigated. an average 8.00 × 10(10) colony forming units (cfu)/g of viable cells were obtained over 5-day high-solid fermentation. yeast cell viability did not change significantly over time at 4°c whereas the number of viable yeast cells reduced significantly at room temperature (25°c), which was approximately 40% in 12 mon ... | 2017 | 28572951 |
| effects of incorporating nonmodified sweet potato (ipomoea batatas) flour on wheat pasta functional characteristics. | the effects of substituting wheat flour using fractions of blanched or nonblanched sweet potato flour on produced pasta functional characteristics were investigated. the use of sweet potato flour to replace fractions of wheat flour, regardless of blanching treatment, resulted in significant (p < .05) increase in water holding capacity (whc), cooked pasta water uptake and solid leaching out and freeze-thaw stability of produced pasta. for instance, treatment containing 40% of nonblanched sweet po ... | 2017 | 29283180 |
| horizontal gene transfer contributes to plant evolution: the case of agrobacterium t-dnas. | horizontal gene transfer (hgt) can be defined as the acquisition of genetic material from another organism without being its offspring. hgt is common in the microbial world including archaea and bacteria, where hgt mechanisms are widely understood and recognized as an important force in evolution. in eukaryotes, hgt now appears to occur more frequently than originally thought. many studies are currently detecting novel hgt events among distinct lineages using next-generation sequencing. most exa ... | 2017 | 29225610 |
| viscoelastic properties of sweet potato complementary porridges as influenced by endogenous amylases. | sweet potato (ipomoea batatas l.) roots contain amylolytic enzymes, which hydrolyze starch thus having the potential to affect the viscosity of sweet potato porridges provided the appropriate working conditions for the enzymes are attained. in this study, the effect of sweet potato variety, postharvest handling conditions, freshly harvested and room/ambient stored roots (3 weeks), and slurry solids content on the viscoelastic properties of complementary porridges prepared using amylase enzyme ac ... | 2017 | 29188034 |
| improvement for agronomically important traits by gene engineering in sweetpotato. | sweetpotato is the seventh most important food crop in the world. it is mainly used for human food, animal feed, and for manufacturing starch and alcohol. this crop, a highly heterozygous, generally self-incompatible, outcrossing polyploidy, poses numerous challenges for the conventional breeding. its productivity and quality are often limited by abiotic and biotic stresses. gene engineering has been shown to have the great potential for improving the resistance to these stresses as well as the ... | 2017 | 28465664 |
| isolation and abiotic stress resistance analyses of a catalase gene from ipomoea batatas (l.) lam. | as an indicator of the antioxidant capability of plants, catalase can detoxify reactive oxygen species (ros) generated by environmental stresses. sweet potato is one of the top six most important crops in the world. however, its catalases remain largely unknown. in this study, a catalase encoding gene, ibcat2 (accession number: ky615708), was identified and cloned from sweet potato cv. xushu 18. it contained a 1479 nucleotides' open reading frame (orf). s-r-l, q-k-l, and a putative calmodulin bi ... | 2017 | 28638833 |
| assessment of the potential health risks associated with the aluminium, arsenic, cadmium and lead content in selected fruits and vegetables grown in jamaica. | thirteen jamaican-grown food crops - ackee (blighia sapida), banana (musa acuminate), cabbage (brassica oleracea), carrot (daucus carota), cassava (manihot esculenta), coco (xanthosoma sagittifolium), dasheen (colocasia esculenta), irish potato (solanum tuberosum), pumpkin (cucurbita pepo), sweet pepper (capsicum annuum), sweet potato (ipomoea batatas), tomato (solanum lycopersicum) and turnip (brassica rapa) - were analysed for aluminium, arsenic, cadmium and lead by atomic absorption spectroph ... | 2017 | 28959639 |
| glucose content and in vitro bioaccessibility in sweet potato and winter squash varieties during storage. | glucose content and in vitro bioaccessibility were determined in raw and cooked pulp of arapey, cuabé, and beauregard sweet potato varieties, as well as maravilla del mercado and atlas winter squash, after zero, two, four, and six months of storage (14 °c, 80% relative humidity (rh)). the total glucose content in 100 g of raw pulp was, for arapey, 17.7 g; beauregard, 13.2 g; cuabé, 12.6 g; atlas, 4.0 g; and in maravilla del mercado, 4.1 g. these contents were reduced by cooking process and stora ... | 2017 | 28665302 |
| effect of feeding sweet-potato condensed distillers solubles on intake and urinary excretion of minerals in japanese black steers. | four japanese black steers (16 months of age) were assigned to a 4 × 4 latin square design to investigate the effect of graded levels of sweet-potato condensed distillers solubles (scds) in their diets on intake and urinary excretion of minerals. the four diets consisted of 0%, 10%, 20% and 30% (dry matter (dm) basis) scds, with scds replacing commercial concentrate (cc). intake of k, cl, s, p and mg increased linearly with increasing scds content. urinary ph increased linearly with increasing d ... | 2017 | 27071727 |
| high-throughput microarray mapping of cell wall polymers in roots and tubers during the viscosity-reducing process. | viscosity reduction has a great impact on the efficiency of ethanol production when using roots and tubers as feedstock. plant cell wall-degrading enzymes have been successfully applied to overcome the challenges posed by high viscosity. however, the changes in cell wall polymers during the viscosity-reducing process are poorly characterized. comprehensive microarray polymer profiling, which is a high-throughput microarray, was used for the first time to map changes in the cell wall polymers of ... | 2017 | 25757626 |
| analytical optimization of a phenolic-rich herbal extract and supplementation in fermented milk containing sweet potato pulp. | the aims of the present study were to optimize and characterize the phenolic composition of a herbal extract composed of green mate (ilex paraguariensis), clove (syzygium aromaticum), and lemongrass (cymbopogon citratus) and to propose the addition of this polyphenol-rich extract to fermented milks (fm) with/without sweet potato pulp (ipomoea batatas). proximate composition, ph, acidity, instrumental texture profile, total phenolic content (tpc), antioxidant activity (aa) of all formulations wer ... | 2017 | 27979299 |
| rnai-based gene silencing through dsrna injection or ingestion against the african sweet potato weevil cylas puncticollis (coleoptera: brentidae). | rna interference (rnai) technology can potentially serve as a suitable strategy to control the african sweet potato weevil cylas puncticollis (spw), which is a critical pest in sub-saharan africa. important prerequisites are required to use rnai in pest control, such as the presence of an efficient rnai response and the identification of suitable target genes. | 2017 | 27299308 |
| sweet potato (ipomoea batatas) attenuates diet-induced aortic stiffening independent of changes in body composition. | we hypothesized a sweet potato intervention would prevent high fat diet-induced aortic stiffness, which would be associated with decreased arterial oxidative stress and increased mitochondrial uncoupling. young (8-week old) c57bl/6j mice were randomly divided into 4 groups: low fat (lf, 10% fat), high fat (hf, 60% fat), low fat sweet potato (lfsp, 10% fat containing 260.3 ug/kcal sp), or high fat sweet potato diet (hfsp, 60% fat containing 260.3 ug/kcal sp) for 16 weeks. compared to lf and lfsp, ... | 2017 | 28288284 |
| purple sweet potato attenuate weight gain in high fat diet induced obese mice. | purple sweet potato (psp) is widely grown in asia and considered as a healthy vegetable. the objective of the current study was to determine the anti-obesity effect of the psp on high fat diet induced obese c57bl/6j mice. the mice were administrated with high fat diet supplemented with the sweet potato (sp) or psp at the concentration of 15% and 30% for 12 wk, respectively. the results showed that the supplementation of sp or psp at 30% significantly ameliorated high fat diet induced obesity and ... | 2017 | 28135399 |
| degradation of distillery lees (shochu kasu) by cellulase-producing thraustochytrids. | single cell oils produced by oleaginous microorganisms have attracted increasing interests as a petroleum alternative energy. marine eukaryotes, thraustochytrids were heterotrophic, and can grow rapidly and accumulate large amount of lipids containing functional fatty acids, such as docosahexaenoic acid (dha) in their cells body. in this investigation, thraustochytrids isolated from marine environment were cultured in the medium containing an industrial waste and an unused resource, distillery l ... | 2017 | 27928143 |
| adding sweet potato vines improve the quality of rice straw silage. | rice straw and sweet potato vines are the main by-products of agricultural crops, and their disposal creates problems for the environment in the south of china. in order to establish an easy method for making rice straw silage successfully, experiments were conduct to evaluate fermentation quality and nutritive value of rice straw silages ensiled with or without sweet potato vine. paddy rice straw (pr) and upland rice straw (up) were ensiled alone or with sweet potato vines (sp) by a ratio of 1: ... | 2017 | 27549923 |
| production of α-1,4-glucosidase from bacillus licheniformis kibge-ib4 by utilizing sweet potato peel. | in the current study, sweet potato peel (ipomoea batatas) was observed as the most favorable substrate for the maximum synthesis of α-1,4-glucosidase among various agro-industrial residues. bacillus licheniformis kibge-ib4 produced 6533.0 u ml(-1) of α-1,4-glucosidase when growth medium was supplemented with 1% dried and crushed sweet potato peel. it was evident from the results that bacterial isolate secreted 6539.0 u ml(-1) of α-1,4-glucosidase in the presence of 0.4% peptone and meat extract ... | 2017 | 27928754 |
| the plasma membrane-localized sucrose transporter ibsweet10 contributes to the resistance of sweet potato to fusarium oxysporum. | sweet (sugars will eventually be exported transporter) proteins, a novel family of sugar transporters, mediate the diffusion of sugars across cell membranes and acts as key players in sucrose phloem loading. manipulation of sweet genes in plants leads to various effects on resistance to biotic and abiotic stresses due to disruption of sugar efflux and changes in sugar distribution. in this study, a member of the sweet gene family, ibsweet10, was cloned from the sweet potato line nd98. mrna expre ... | 2017 | 28261250 |
| phylogenetic relationships among whiteflies in the bemisia tabaci (gennadius) species complex from major cassava growing areas in kenya. | whiteflies, bemisia tabaci (gennadius) are major insect pests that affect many crops such as cassava, tomato, beans, cotton, cucurbits, potato, sweet potato, and ornamental crops. bemisia tabaci transmits viral diseases, namely cassava mosaic and cassava brown streak diseases, which are the main constraints to cassava production, causing huge losses to many small-scale farmers. the aim of this work was to determine the phylogenetic relationships among bemisia tabaci species in major cassava grow ... | 2017 | 28264479 |
| a genome-wide bac-end sequence survey provides first insights into sweetpotato (ipomoea batatas (l.) lam.) genome composition. | sweetpotato, ipomoea batatas (l.) lam., is an important food crop widely grown in the world. however, little is known about the genome of this species because it is a highly heterozygous hexaploid. gaining a more in-depth knowledge of sweetpotato genome is therefore necessary and imperative. in this study, the first bacterial artificial chromosome (bac) library of sweetpotato was constructed. clones from the bac library were end-sequenced and analyzed to provide genome-wide information about thi ... | 2016 | 27871234 |
| dietary patterns and retinal vascular calibre in children and adolescents with type 1 diabetes. | to examine the association between dietary patterns and retinal vascular calibre in children and adolescents with type 1 diabetes. | 2016 | 26749006 |
| glutathione s-transferase slgste1 in spodoptera litura may be associated with feeding adaptation of host plants. | spodoptera litura is polyphagous pest insect and feeds on plants of more than 90 families. in this study the role of glutathione s-transferase epilson 1 (slgste1) in s. litura in detoxification was examined. this gene was up-regulated in the midgut of s. litura at the transcriptional and protein levels when the insect fed on brassica juncea or diet containing phytochemicals such as indole-3-carbinol and allyl-isothiocyanate that are metabolic products of sinigrin and glucobrassicin in b. juncea. ... | 2016 | 26631599 |
| infectivity, effects on helper viruses and whitefly transmission of the deltasatellites associated with sweepoviruses (genus begomovirus, family geminiviridae). | begomoviruses (family geminiviridae) are whitefly-transmitted viruses with single-stranded dna genomes that are frequently associated with dna satellites. these satellites include non-coding satellites, for which the name deltasatellites has been proposed. although the first deltasatellite was identified in the late 1990s, little is known about the effects they have on infections of their helper begomoviruses. recently a group of deltasatellites were identified associated with sweepoviruses, a g ... | 2016 | 27453359 |
| complete genome sequences of the potyvirus sweet potato virus 2 from east timor and australia. | we present here the first complete genome sequences of sweet potato virus 2 (spv2) from sweet potato in australia and east timor, and compare these with five complete spv2 genome sequences from south korea and one each from spain and the united states. both were closely related to spv2 genomes from south korea, spain, and the united states. | 2016 | 27257208 |
| deep sequencing reveals the complete genome sequence of sweet potato virus g from east timor. | we present the first complete sweet potato virus g (spvg) genome from sweet potato in east timor and compare it with seven complete spvg genomes from south korea (three), taiwan (two), argentina (one), and the united states (one). it most resembles the genomes from the united states and south korea. | 2016 | 27609925 |
| characterization of non-coding dna satellites associated with sweepoviruses (genus begomovirus, geminiviridae) - definition of a distinct class of begomovirus-associated satellites. | begomoviruses (family geminiviridae) are whitefly-transmitted, plant-infecting single-stranded dna viruses that cause crop losses throughout the warmer parts of the world. sweepoviruses are a phylogenetically distinct group of begomoviruses that infect plants of the family convolvulaceae, including sweet potato (ipomoea batatas). two classes of subviral molecules are often associated with begomoviruses, particularly in the old world; the betasatellites and the alphasatellites. an analysis of swe ... | 2016 | 26925037 |
| ipomoea batatas (convolvulaceae)-mediated synthesis of silver nanoparticles for controlling mosquito vectors of aedes albopictus, anopheles stephensi, and culex quinquefasciatus (diptera:culicidae). | we proposed an effective and eco-friendly control of dengue, malaria, and filariasis-causing vectors. we tested ipomoea batatas leaves-mediated silver nanoparticles (agnps) against first to fourth instar larvae and adults of aedes albopictus, anopheles stephensi, and culex quinquefasciatus at different concentrations. the synthesized agnps showed broad spectrum of larvicidal and adulticidal effects after 48 h of exposure. the characterization of synthesized agnps was done using various spectral ... | 2016 | 27929364 |
| the trade in african medicinal plants in matonge-ixelles, brussels (belgium). | maintaining cultural identity and preference to treat cultural bound ailments with herbal medicine are motivations for migrants to continue using medicinal plants from their home country after moving to europe and the usa. as it is generally easier to import exotic food than herbal medicine, migrants often shift to using species that double as food and medicine. this paper focuses on the trade in african medicinal plants in a congolese neighborhood in brussels (belgium). what african medicinal p ... | 2016 | 28179733 |
| molecular characterization of tocopherol biosynthetic genes in sweetpotato that respond to stress and activate the tocopherol production in tobacco. | tocopherol (vitamin e) is a chloroplast lipid that is presumed to be involved in the plant response to oxidative stress. in this study, we isolated and characterized five tocopherol biosynthetic genes from sweetpotato (ipomoea batatas [l.] lam) plants, including genes encoding 4-hydroxyphenylpyruvate dioxygenase (ibhppd), homogentisate phytyltransferase (ibhpt), 2-methyl-6-phytylbenzoquinol methyltransferase (ibmpbq mt), tocopherol cyclase (ibtc) and γ-tocopherol methyltransferase (ibtmt). fluor ... | 2016 | 27156136 |
| the modulatory effect of anthocyanins from purple sweet potato on human intestinal microbiota in vitro. | in order to investigate the modulatory effect of purple sweet potato anthocyanins (pspas) on human intestinal microbiota, pspas were prepared by column chromatography and their influence on intestinal microbiota was analyzed by monitoring the bacterial populations and analyzing short-chain fatty acid (scfa) concentrations at different time points. the numbers (log10 cell/ml) of bifidobacterium and lactobacillus/enterococcus spp., bacteroides-prevotella, clostridium histolyticum, and total bacter ... | 2016 | 26975278 |
| complete genome sequence of klebsiella pneumoniae yh43. | we report here the complete genome sequence ofklebsiella pneumoniaestrain yh43, isolated from sweet potato. the genome consists of a single circular chromosome of 5,520,319 bp in length. it carries 8 copies of rrna operons, 86 trna genes, 5,154 protein-coding genes, and thenifgene cluster for nitrogen fixation. | 2016 | 27081127 |
| symbiotic n 2 -fixation estimated by the (15) n tracer technique and growth of pueraria phaseoloides (roxb.) benth. inoculated with bradyrhizobium strain in field conditions. | this field experiment was established in eastern cameroon to examine the effect of selected rhizobial inoculation on n2-fixation and growth of pueraria phaseoloides. treatments consisted of noninoculated and bradyrhizobium yuanmingense s3-4-inoculated pueraria with three replications each. ipomoea batatas as a non-n2-fixing reference was interspersed in each pueraria plot. all the twelve plots received 2 gn/m(2) of (15)n ammonium sulfate 10% atom excess. at harvest, dry matter yields and the nit ... | 2016 | 26904363 |
| carotenoid analysis of sweetpotato ipomoea batatas and functional identification of its lycopene β- and ε-cyclase genes. | sweetpotato ipomoea batatas is known as a hexaploid species. here, we analyzed carotenoids contained in the leaves and tubers of sweetpotato cultivars 'white star' (ws) and w71. these cultivars were found to contain several carotenoids unique to sweetpotato tubers such as β-carotene-5,6,5',8'-diepoxide and β-carotene-5,8-epoxide. next, we isolated two kinds of carotene cyclase genes that encode lycopene β- and ε-cyclases from the ws and w71 leaves, by rt-pcr and subsequent race. two and three ly ... | 2016 | 27564699 |
| characterization and development of est-ssr markers in sweet potato (ipomoea batatas (l.) lam). | in this study, a cdna library was constructed from the total rna of sweet potato leaves. a total of 789 copies of the cdna were cloned in escherichia coli by employing the pgem-t easy vector. sequencing was carried out by solgent co. (korea). as many as 579 expressed sequence tag-simple sequence repeat (est-ssr) markers were designed (73.38%) from the known cdna nucleotide base sequences. the lengths of the developed est-ssr markers ranged from 100 to 499 bp (average length 238 bp). their motif ... | 2016 | 28330315 |
| isolation and characterization of cdnas and genomic dnas encoding adp-glucose pyrophosphorylase large and small subunits from sweet potato. | sweet potato [ipomoea batatas (l.) lam.], the world's seventh most important food crop, is also a major industrial raw material for starch and ethanol production. in the plant starch biosynthesis pathway, adp-glucose pyrophosphorylase (agpase) catalyzes the first, rate-limiting step and plays a pivotal role in regulating this process. in spite of the importance of sweet potato as a starch source, only a few studies have focused on the molecular aspects of starch biosynthesis in sweet potato and ... | 2016 | 26499957 |
| preparation of slowly digestible sweet potato daeyumi starch by dual enzyme modification. | sweet potato daeyumi starch was dually modified using glycogen branching enzyme (be) from streptococcus mutans and amylosucrase (as) from neisseria polysaccharea to prepare slowly digestible starch (sds). dually modified starches had higher sds and resistant starch (rs) contents than control starch. the branched chain length distributions of the be-modified starches indicated an increase in short side-chains [degree of polymerization (dp)≤12] compared with native starch. as treatment of the be-m ... | 2016 | 27083356 |
| effects of lactobacillus formosensis s215(t) and lactobacillus buchneri on quality and in vitro ruminal biological activity of condensed tannins in sweet potato vines silage. | this study investigated the influence of two microbial inoculants; lactobacillus formosensis and lactobacillus buchneri on fermentation quality, chemical composition, aerobic stability and in vitro ruminal biological activity of condensed tannins in sweet potato vines silage. | 2016 | 27541959 |
| sweet potato nac transcription factor, ibnac1, upregulates sporamin gene expression by binding the swre motif against mechanical wounding and herbivore attack. | sporamin is a tuberous storage protein with trypsin inhibitory activity in sweet potato (ipomoea batatas lam.), which accounts for 85% of the soluble protein in tubers. it is constitutively expressed in tuberous roots but is expressed in leaves only after wounding. thus far, its wound-inducible signal transduction mechanisms remain unclear. in the present work, a 53-bp dna region, sporamin wound-response cis-element (swre), was identified in the sporamin promoter and was determined to be respons ... | 2016 | 26996980 |
| a novel cys2/his2 zinc finger protein gene from sweetpotato, ibzfp1, is involved in salt and drought tolerance in transgenic arabidopsis. | ibzfp1, encoding a cys 2/his 2 zinc finger protein gene from sweetpotato, enhances salt and drought tolerance in transgenic arabidopsis by regulating aba signaling pathway, proline biosynthesis, stress responses and ros scavenging. in plants, cys2/his2 zinc finger proteins play important roles in regulating the growth and development or responses to abiotic stresses. in this study, a novel cys2/his2 zinc finger protein gene, named ibzfp1, was isolated from drought-tolerant sweetpotato [ipomoea b ... | 2016 | 26691387 |
| natural antifungal compounds from the peels of ipomoea batatas lam. | three antifungal compounds have been isolated for the first time from the peels of ipomoea batatas lam. their structures were established on the basis of 1d and 2d nmr spectra data as well as esi-ms and ir analysis. urs-13(18)-ene-3β-yl acetate was found to possess a weak activity against sporothrix schenckii and trichophyton metagrophytes fungi with an mic value of 50 μg/ml each. stigmasterol and 3-friedelanol were equally active against t. metagrophytes. | 2016 | 26595108 |
| mixed infections of four viruses, the incidence and phylogenetic relationships of sweet potato chlorotic fleck virus (betaflexiviridae) isolates in wild species and sweetpotatoes in uganda and evidence of distinct isolates in east africa. | viruses infecting wild flora may have a significant negative impact on nearby crops, and vice-versa. only limited information is available on wild species able to host economically important viruses that infect sweetpotatoes (ipomoea batatas). in this study, sweet potato chlorotic fleck virus (spcfv; carlavirus, betaflexiviridae) and sweet potato chlorotic stunt virus (spcsv; crinivirus, closteroviridae) were surveyed in wild plants of family convolvulaceae (genera astripomoea, ipomoea, hewittia ... | 2016 | 28005969 |
| complete genome sequences of the carlavirus sweet potato chlorotic fleck virus from east timor and australia. | we present here the first complete genome sequences of sweet potato chlorotic fleck virus (spcfv) from sweet potato in australia and east timor, and we compare these with four complete spcfv genomes from south korea and one from uganda. the australian, east timorese, south korean, and ugandan genomes differed considerably from each other. | 2016 | 27231359 |
| viral rnase3 co-localizes and interacts with the antiviral defense protein sgs3 in plant cells. | sweet potato chlorotic stunt virus (spcsv; family closteroviridae) encodes a class 1 rnase iii endoribonuclease (rnase3) that suppresses post-transcriptional rna interference (rnai) and eliminates antiviral defense in sweetpotato plants (ipomoea batatas). for rnai suppression, rnase3 cleaves double-stranded small interfering rnas (ds-sirna) and long dsrna to fragments that are too short to be utilized in rnai. however, rnase3 can suppress only rnai induced by sense rna. sense-mediated rnai invol ... | 2016 | 27391019 |
| the p1n-pispo trans-frame gene of sweet potato feathery mottle potyvirus is produced during virus infection and functions as an rna silencing suppressor. | the positive-sense rna genome of sweet potato feathery mottle virus (spfmv) (genus potyvirus, family potyviridae) contains a large open reading frame (orf) of 3,494 codons translatable as a polyprotein and two embedded shorter orfs in the -1 frame: pispo, of 230 codons, and pipo, of 66 codons, located in the p1 and p3 regions, respectively. pispo is specific to some sweet potato-infecting potyviruses, while pipo is present in all potyvirids. in spfmv these two extra orfs are preceded by conserve ... | 2016 | 26792740 |
| complete genome sequence of kosakonia sacchari strain bo-1, an endophytic diazotroph isolated from a sweet potato. | the complete genome sequence of the endophytic diazotroph kosakonia sacchari, isolated from a sweet potato, was analyzed. the 4,902,106-bp genome with 53.7% g+c content comprises 4,638 open reading frames, including nif genes, 84 trnas, and seven complete rrnas in a circular chromosome. | 2016 | 27609910 |
| biotype characterization, developmental profiling, insecticide response and binding property of bemisia tabaci chemosensory proteins: role of csp in insect defense. | chemosensory proteins (csps) are believed to play a key role in the chemosensory process in insects. sequencing genomic dna and rna encoding csp1, csp2 and csp3 in the sweet potato whitefly bemisia tabaci showed strong variation between b and q biotypes. analyzing csp-rna levels showed not only biotype, but also age and developmental stage-specific expression. interestingly, applying neonicotinoid thiamethoxam insecticide using twenty-five different dose/time treatments in b and q young adults s ... | 2016 | 27167733 |
| synergistic effect of photosynthetic bacteria and isolated bacteria in their antifungal activities against root rot fungi. | antifungal bacteria (ab) in root rot fungus (rrf)-contaminated sweet potato farms were isolated, and seven strains were initially chosen as antagonistic candidates. an antagonistic test by using the mycelial disk placement method revealed that one ab strain by itself could inhibit the rrf growth. this ab strain was identified as bacillus polyfermenticus based on phylogeny of 16s ribosomal rna genes. two ab strains (bacillus aerophilus) displayed high levels of antifungal activity when paired wit ... | 2016 | 27667522 |
| effect of drying conditions on properties, pigments and antioxidant activity retentions of pretreated orange and purple-fleshed sweet potato flours. | pigmented sweet potatoes (sps) are outstanding sources of anthocyanin, β-carotene and other color-related phytonutrients. however, fresh sp roots are highly perishable and difficult to store. to reduce losses and extend their uses, fresh sp could be converted into flour. sp cultivars with deep purple (phichit 65-3) and orange-fleshed (t101) colors newly developed in thailand were studied. the influence of drying methods on physico-chemical properties, anthocyanin, β-carotene and antioxidant acti ... | 2016 | 27413208 |
| proteomic approach reveals that starch degradation contributes to anthocyanin accumulation in tuberous root of purple sweet potato. | a comparative proteomic approach was carried out to investigate anthocyanin biosynthesis in the tuberous roots of yellow sweet potato (ysp) and purple sweet potato (psp) cultivars. more than 800 proteins were reproducibly detected through two-dimensional electrophoresis (2-de), of which 50 proteins with 39 more and 11 less accumulated in psp were identified through matrix-assisted laser desorption ionization-time of flight/time of flight mass spectrometry (maldi-tof/tof-ms). most of the analyzed ... | 2016 | 26957144 |
| carotenoids and β-carotene in orange fleshed sweet potato: a possible solution to vitamin a deficiency. | the present study, in line with a plant-food-based approach to address vitamin a deficiency, reports the analysis of total carotenoids, and trans- and cis-β-carotenes, in different varieties of raw and boiled orange-fleshed sweet potatoes (ofsp). carotenoids were isolated using acetone-petroleum ether extraction followed by spectrophotometric determination. trans- and cis-β-carotenes were analyzed by reversed-phase hplc method using a mobile phase containing acetonitrile:methanol:2-propanol in t ... | 2016 | 26776017 |
| a leaf-inhabiting endophytic bacterium, rhodococcus sp. kb6, enhances sweet potato resistance to black rot disease caused by ceratocystis fimbriata. | rhodococcus species have become increasingly important owing to their ability to degrade a wide range of toxic chemicals and produce bioactive compounds. here, we report isolation of the rhodococcus sp. kb6, which is a new leaf-inhabiting endophytic bacterium that suppresses black rot disease in sweet potato leaves. we determined the 7.0 mb draft genome sequence of kb6 and have predicted 19 biosynthetic gene clusters for secondary metabolites, including heterobactins, which are a new class of si ... | 2016 | 26767576 |
| purple sweet potato anthocyanin attenuates fat-induced mortality in drosophila melanogaster. | a high fat diet induces the accumulation of lipid hydroperoxides (lpo), accelerates the ageing process and causes a greater mortality in drosophila melanogaster. purple sweet potato is rich in antioxidant anthocyanin. the purpose of the present study was to examine if supplementation of purple sweet potato anthocyanin (pspa) could reduce the mortality of fruit flies fed a high-fat diet. results showed that the mean lifespan of fruit flies was shortened from 56 to 35days in a dose-dependent manne ... | 2016 | 27329928 |
| partial life history of chrysodeixis includens (lepidoptera: noctuidae) on summer hosts. | the soybean looper, chrysodeixis includens (walker) (lepidoptera: noctuidae), is a major defoliating pest of soybeans, glycine max (l.) merrill, in louisiana. however, other alternate host crops in the agroecosystem have the potential to impact c. includens populations. life table statistics of c. includens on four host plants were evaluated. c. includens larvae were fed leaves of three cotton gossypium hirsutum l. cultivars 'dp 143 b2rf,' 'dp 174 rf,' and 'phy 485 wrf'; cowpea vigna unguiculata ... | 2016 | 27375294 |
| orange protein has a role in phytoene synthase stabilization in sweetpotato. | carotenoids have essential roles in light-harvesting processes and protecting the photosynthetic machinery from photo-oxidative damage. phytoene synthase (psy) and orange (or) are key plant proteins for carotenoid biosynthesis and accumulation. we previously isolated the sweetpotato (ipomoea batatas) or gene (ibor), which is involved in carotenoid accumulation and salt stress tolerance. the molecular mechanism underlying ibor regulation of carotenoid accumulation was unknown. here, we show that ... | 2016 | 27633588 |
| breeding erect plant type sweetpotato lines using cross breeding and gamma-ray irradiation. | few sweetpotato (ipomoea batatas lam.) cultivars with erect plant type are available despite their advantages over spreading type, such as simplicity of cultivation and ability to adapt to limited space. one of the reasons is insufficiency of their agronomic characteristics for table use. so, it is important to overcome these drawbacks of er-type lines. we attempted to breed new erect plant type sweetpotato lines having good agronomic traits using cross breeding and mutation breeding with gamma- ... | 2016 | 27436957 |
| comparison of proteomic and metabolomic profiles of two contrasting ecotypes of sweetpotato (ipomoea batata l.). | sweetpotato has long been acknowledged as a significant contributor of global caloric needs, which continues to be of remarkable economic value. it is an important staple and emergency food in many countries and its annual world production hovers to about 130 million tons. the tubers act as sink and compete for the available photoassimilates eventually leading to the acquisition of nutrients and phytochemicals. differential display of genes or gene-products, and metabolites causes differences in ... | 2016 | 26996463 |