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南京农业大学农学院《New Phytologist》发表张文利课题组“R‐loops act as regulatory switches modulating transcription of COLD‐responsive genes in rice”(图)
张文利 气候变化 分子机制 作物生长
2023/10/28
随着全球气候变化的不断加剧,低温冻害和冷害已经成为影响农作物生长的一个重要自然胁迫因素。冷胁迫通常影响农作物正常的生长发育进程,严重时导致减产甚至颗粒无收。因此,作物冷应答分子机制研究可为作物耐冷分子育种提供理论参考。植物R-loop在不同的细胞活动中发挥重要作用,包括发育调控和胁迫应答等。然而,在低温敏感型作物如水稻中,R-loop介导冷胁迫应答的分子机制仍鲜有报道。
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
Five Rice Seed-Specific NF-YC Genes Redundantly Regulate Grain Quality and Seed Germination via Interfering Gibberellin Pathway
NF-YCs 种子发育 赤霉素 籽粒品质
2023/3/9
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(...
Transcriptome and QTL analyses reveal candidate genes for fiber quality in Upland cotton
棉花 纤维发育 QTL 转录组 表达基因
2024/5/17
The Candidate Genes Underlying a Stably Expressed QTL for Low Temperature Germinability in Rice (Oryza sativa L.)
Rice Low temperature germinability Quantitative trait locus Candidate gene Genomewide association study
2023/4/21
Functional divergence of two duplicated Fertilization Independent Endosperm genes in rice with respect to seed development
Fertilization Endosperm genes rice
2023/8/9
Fertilization Independent Endosperm(FIE) is an essential member of Polycomb Repressive Complex 2(PRC2) that plays important roles in the developmental regulation of plants. OsFIE1 and OsFIE2 are two F...
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The “jumping genes” of maize have finally been mapped by an international team led by researchers at the University of California, Davis, and the Cold Spring Harbor Laboratory. The discovery could ult...
Over many thousands of years, farmers have bred maize varieties so the crops are optimally adapted to local environments.A new study, published Feb. 6 in Nature Genetics, analyzed close to 4,500 maize...
QTL Mapping for Adult-Plant Leaf Rust Resistance Genes in Chinese Wheat Cultivar Weimai 8
gene postulation molecular marker QTL loci wheat leaf rust
2015/10/9
The wheat cultivar Weimai 8 is a good source of adult-plant resistance to leaf rust in China. In order to understand the genetic background of the resistance genes, 179 F2:3 families derived from the ...
Genetic analysis and molecular mapping of leaf rust resistance genes in the wheat line 5R618
gene postulation genetic mapping molecular marker wheat leaf rust
2014/12/1
The wheat (Triticum aestivum L.) line 5R618, bred at the China Agricultural University, is resistant in the seedling stage to the majority of the current Chinese pathotypes of wheat leaf rust (Puccini...
Broadening the genetic base of Abyssinian mustard (Brassica carinata A. Braun) through introgression of genes from related allotetraploid species
gene introgression variability genetic relatedness
2014/10/28
Brassica carinata (BBCC, 2n=34) has still to emerge as a major oilseed crop owing to poor agronomic attributes like long stature, long maturity duration and low seed yield. The restricted amount of ge...
Virulence surveys of wheat leaf rust in the Czech Republic and resistance genes in registered cultivars
Czech Republic leaf rust pathotypes Lr genes resistance wheat
2014/9/22
The technical report presents a summary of results obtained in the leaf rust race surveys carried out in Czechoslovakia/Czech Republic in the years 1966–2001. The physiologic races were determined usi...
Newly discovered genes for resistance to powdery mildew in the subtelomeric region of the short arm of barley chromosome 7H
DNA marker genetic mapping Hordeum vulgare simple sequence repeats
2014/2/24
Two dominant genes for resistance to powdery mildew (caused by Blumeria graminis f.sp. hordei) from the PI296825 and PI466461 accessions of wild barley (Hordeum vulgare subsp. spontaneum) were identif...
Lr39 + Pm21: a new effective combination of resistance genes for leaf rust and powdery mildew in wheat
Blumeria graminis gene pyramiding Puccinia triticina
2014/2/24
Two effective resistance genes were introduced, one for leaf rust (Lr39) and the other for powdery mildew (Pm21), into the susceptible German wheat cv. Lexus. Molecular selection of plant material was...