搜索结果: 1-15 共查到“作物遗传学 identification”相关记录24条 . 查询时间(0.14 秒)
Expressed genes and their new alleles identification during fibre elongation reveal the genetic factors underlying improvements of fibre length in cotton
棉花 纤维伸长 表达基因簇
2024/4/16
本研究对亲本海7124、中棉所36及47个子代纤维发育5，10和15天的转录组数据分析，鉴定到35420个表达基因，构建了纤维伸长相关动态表达调控网络，其中10366个表达基因在子代中产生新等位基因（ENAs）；进一步鉴定到7个时空特异调控表达基因簇，差异表达分析筛选到105个候选基因，包含15个新等位基因。CRISPR-cas9系统敲除GhMAH1使纤维显著变短。本研究为解析陆海群体纤维长度变异...
A pangenome analysis pipeline provides insights into functional gene identification in rice
Pangenome Presence/absence variation Genomic diversity PAV-based GWAS
2023/4/21
A pangenome aims to capture the complete genetic diversity within a species and reduce bias in genetic analysis inherent in using a single reference
genome. However, the current linear format of most...
胡泽军（2021）Identification of a New Giant Emrbryo Allele, and Integrated Transcriptomics and Metabolomics Analysis of Giant Embryo Development in Rice（图）
水稻 巨胚发育 图位克隆技术 等位基因 GED
2023/2/27
近日，上海市农业科学院作物育种栽培研究所水稻中心，利用代谢组学和转录组学联合分析技术，对水稻巨胚高营养形成的分子机制展开研究，揭示了能量代谢，氨基酸代谢和脂质代谢是水稻巨胚发育早期成熟阶段的关键代谢通路，该研究有助于推动高营养水稻品种的育种。相关研究成果在线发表于国际学术期刊《Frontiers in Plant Science》(IF:5.753，二区TOP)上。
Identification of candidate genes for key fibre-related QTLs and derivation of favourable alleles in Gossypium hirsutum recombinant inbred lines with G. barbadense introgressions
海岛棉 基因组组分 遗传作图群体
2024/5/17
该研究以渗入了海岛棉基因组组分的优质种质鲁原343为亲本，构建了包含239个重组自交系的遗传作图群体，利用SLAF标签构建了高密度遗传图谱，结合7个环境的表型数据，共鉴定104个纤维品质和产量性状QTLs，其中66个QTL共定位于19个QTL簇中。该研究团队通过进一步对鲁原343进行全基因组深度测序，解析鲁原343的遗传组成及其对纤维相关性状的遗传贡献，发现来自G. hirsutum races（...
A comprehensive identification and function analysis of the ATBS1 Interacting Factors (AIFs) gene family of Gossypium species in fiber development and under multiple stresses
AIFs基因 棉花 纤维发育 非生物胁迫响应
2024/4/16
ATBS1 INTERACTING FACTORs (AIFs)基因是一类bHLH蛋白，在植物生长发育过程中起着重要作用。本研究在亚洲棉、雷蒙德氏棉、陆地棉和海岛棉中分别鉴定得到8, 11, 16和15 AIFs。在该家族基因启动子中发现了多个与生长发育、胁迫和激素相关的启动元件。转录组数据显示该家族基因在棉花的花器官和纤维中高量表达。荧光定量表明该家族基因在纤维起始阶段高量表达。激素处理显示该家...
QTLs identification for nitrogen and phosphorus uptake-related traits using ultra-high density SNP linkage
QTL F2 populations QTL mapping Nitrogen Phosphorus Rice
2023/4/21
To understand the genetic basis of nitrogen and phosphorus uptake in the cultivated rice, quantitative trait loci (QTL) analysis for 7 nitrogen and phosphorus uptake-related traits including above-gro...
Identification of a new molecular marker C2-25 linked to the Fusarium oxysporum f.sp. radicis-lycopersici resistance Frl gene in tomato
CAPS marker fusarium crown and root rot marker assisted selection (MAS) Solanum lycopersicum L.
2014/12/1
Fusarium oxysporum Schlecht. f.sp. radicis-lycopersici Jarvis & Schoemaker (FORL) is a saprophytic fungus, responsible for the fusarium crown and root rot disease in tomato (Solanum lycopersicum L.). ...
Detection and identification of Xanthomonas axonopodis pv. phaseoli on bean seed collected in Serbia
Common bacterial blight detection identification seed-borne
2011/1/12
Laboratory assays were conducted to detect and identify Xanthomonas axonopodis pv. phaseoli on bean seeds collected from naturally contaminated commercial crops. Semi-selective media, viz. Xanthomonas...
Identification of the S-genotypes of several sweet cherry (Prunus avium L.) cultivars by AS-PCR and pollination
Self-incompatibility Prunus avium S-RNase AS-PCR pollination test
2011/1/10
Sweet cherry cultivars display a self-incompatibility system that restricts self-fertilization and fertilization between cultivars bearing identical S-alleles. PCR-based S-allele typing system for swe...
Identification of Restorers and Maintainers for Developing Hybrid Rice
Oryza sativa genotypes crossbreeding hybrids Pakistan
2009/9/29
Some genetic material was evaluated at Rice Research Institute, Kala Shah Kaku,
Lahore during 2002-2004 for its use in hybrid rice technology. One hundred and nine
rice genotypes were evaluated for ...
Identification of QTL Controlling Allelopathic Effects in Rice:Genetic Approaches to Biological Control of Weeds
allelopathy Oryza sativa L. quantitative trait loci RFLP mapping water-soluble extracts
2009/9/10
To analyze the genetic control of allelopathy in rice, we examined the quantitative trait loci (QTL) controlling allelopathic effects using a F2 population of the cross between PI312777 and Rexmont, w...
Identification of Random Amplified Polymorphic DNA and Simple Sequence Repeat Markers Linked to Powdery Mildew Resistance in Common Wheat Cultivar Brock
Powdery mildew resistance RAPD marker SSR marker Wheat
2009/7/29
A total of 350 rapid amplified polymorphic DNA (RAPD) primers and 100 simple sequence repeat (SSR) primer pairs were screened to identify polymorphic markers associated with powdery mildew resistance....
Identification of RAPD Markers and Development of SCAR Markers Linked to a Powdery Mildew Resistance Gene,and their Location on Chromosome in Wheat Cultivar Brock
Linkage analysis Powdery mildew RAPD SCAR Wheat
2009/7/27
Wheat cultivar Jing 411 which is susceptible to powdery mildew, and wheat cultivar Brock and NILs of Jing 411, which are resistant to powdery mildew were analysized for polymophisms using 213 random a...
Identification of Callus Induction Potential of 15 Indonesian Rice Genotypes
Callus browning Callus induction ability Embryogenic callus Rice
2009/7/24
The callus induction potential of 15 indica rice genotypes from Indonesia was examined in comparison with that of the japonica rice Nipponbare. Callus was induced from embryos of mature seeds and root...
Identification of QTLs for Improvement of Plant Type in Rice (Oryza sativa L.) Using Koshihikari / Kasalath Chromosome Segment Substitution Lines and Backcross Progeny F2 Population
Backcross progeny CSSLs Leaf Panicle Plant type QTL Rice (Oryza sativa L.)
2009/7/23
Thirty-nine chromosome segment substitution lines (CSSLs) population derived from a Koshihikari/Kasalath cross was used for quantitative trait locus (QTL) analysis of plant type in rice (Oryza sativa ...