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GhAlaRP, a cotton alanine rich protein gene,involves in fiber elongation process
艾克曼棉 斯蒂芬氏棉 陆地棉野生种 基因组 结构变异
2024/4/16
本研究对艾克曼棉、斯蒂芬氏棉和一个陆地棉野生种系进行测序，解析了棉花多倍化及适应性进化过程中广泛存在的基因组结构变异，阐述了棉花生物多样性和棉花驯化的遗传基础；发现编码磷酸肽结合蛋白的基因结构变异可能与棉花纤维长度调控有关，烯酰辅酶Aδ异构酶3和RAP2-7可通过调节植物激素提高棉花非生物胁迫耐受性。研究结果揭示了棉花多倍化过程中的适应性进化机制，为棉花抗性和纤维品质遗传改良提供了宝贵的遗传材料。
Artificially Selected Grain Shape Gene Combinations in Guangdong Simiao Varieties of Rice (Oryza sativa L.)
Guangdong Simiao varieties Grain shape Fixation index Allele mining Molecular breeding Rice
2023/4/21
Grain shape is a key trait in rice breeding. Although many QTLs and genes of grain shape have been identified, how different combinations of alleles of these genes affect grain shape is largely unknow...
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...
Genome-wide association mapping and gene expression analysis identify OsCPS1 as a new candidate gene controlling early seedling length in rice
rice shoot length genome-wide association study OsCPS1 selection
2023/4/21
High seedling vigor can improve the ability to compete against weeds and flooding at the seedling stage and is essential for the direct seeding of rice. Early shoot length is an important performance ...
The plant streptolysin S (SLS)-associated gene B confers nitroaromatic tolerance and detoxification
streptolysin S (SLS)-associated gene B nitroaromatic
2023/7/20
Nitroaromatic compounds, as the important chemical feedstock, have caused widespread environmental contaminations, and exhibited high toxicity and mutagenic activity to nearly all living organisms. Th...
Genome-wide identification of NF-YA gene family in cotton and the positive role of GhNF-YA10 and GhNF-YA23 in salt tolerance
全基因组分析 雷蒙德氏棉 亚洲棉 海岛棉 陆地棉
2024/5/17
本研究基于全基因组分析，在雷蒙德氏棉、亚洲棉、海岛棉和陆地棉基因组中分别鉴定得到16、16、31和29个NF-YA基因。通过进化树分析将NF-YA基因分为4个亚组。结构分析表明NF-YA基因在棉属进化过程中相对保守。荧光定量显示GhNF-YAs可能通过ABA和 MeJA的调控通路响应盐和干旱。VIGS沉默GhNF-YA10和GhNF-YA23的表达，能显著降低棉花对盐的抗性，表明这两个基...
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...
Cotton DMP gene family: characterization, evolution, and expression profiles during development and stress
棉花 DMP 基因家族 系统分析
2024/4/16
对16种植物的174个DMP基因的系统发育进行分析，这可分为5个亚家族(I-V)；4个棉种包括58个DMP基因，大部分棉花DMP主要在生殖器官(萼片、花瓣、雌蕊和花药)和次生细胞壁期纤维中表达；基因互作网络表明：DMP作为一种内膜系统参与植物衰老过程和花的生殖发育。本研究对棉花DMP基因家族进行了系统分析，探究了候选基因的潜在功能。
Systematical characterization of YUCCA gene family in five cotton species, and potential functions of YUCCA22 gene in drought resistance of cotton
棉花 YUC基因家族 生长素合成
2024/5/17
生长素在植物的正常生长发育中起着至关重要的作用。TAA/YUCCA基因家族编码色氨酸氨基转移酶（tryptophan aminotransferase），是生长素合成的关键酶。然而，棉花中YUCCA（YUC）基因家族尚未见报道。为了揭示YUC基因在棉花中的功能，我们系统地鉴定了五个棉种中的YUC基因家族，包括成员分析、特征描述、基因组内复制和共线关系。转录组学分析表明，GhYUCs参与了棉花的非生...
Extensive intraspecific gene order and gene structural variations in upland cotton cultivars
陆地棉 全基因组 比较分析遗传变异
2024/4/16
棉花是重要的工业原材料和天然纤维材料，相比于其他作物，陆地棉的遗传多样性极低，解析其形成原因，对棉花的遗传改良具有重要意义。研究人员通过对两种不同基因型的陆地棉进行全基因组比较分析，发现A08染色体上存在着大片段的遗传变异。该倒位能够将已发表的陆地棉核心种质资源材料分为两类，与利用SNP基因型重构的进化树的分类和主成分分析结果高度一致，表明陆地棉种内可能产生了分化。利用人工创制的群体和陆地棉核心种...
Adaptive innovation of green plants by horizontal gene transfer
Adaptive innovation green plant horizontal gene transfer
2023/7/20
Horizontal gene transfer (HGT) refers to the movement of genetic material between distinct species by means other than sexual reproduction. HGT has contributed tremendously to the genome plasticity an...
Physiological and genome-wide gene expression analyses of cold-induced leaf rolling at the seedling stage in rice (Oryza sativa L.)☆
Rice (Oryza sativa L.) Cold-induced leaf yellowing Cold-induced leaf rolling Physiological analysis
2023/4/21
Leaf rolling and discoloration are two chilling-injury symptoms that are widely used as indicators for the evaluation of cold tolerance at the seedling stage in rice. However, the difference in cold-r...
Genome-wide association study and candidate gene analysis of rice cadmium accumulation in grain in a diverse rice collection
Rice Oryza sativa L. Cadmium accumulation QTL GWAS
2023/4/21
Cadmium (Cd) accumulation in rice followed by transfer to the food chain causes severe health problems in humans. Breeding of low Cd accumulation varieties is one of the most economical ways to solve ...
JOURNAL OF RNAi AND Gene Silencing（图）
JOURNAL OF RNAi AND Gene Silencing RNA interference gene silencing gene targeting research 基因
2008/1/16
The Journal will publish high-quality peer-reviewed articles addressing the biology and application of RNA interference and gene silencing in all systems. The Journal aims at providing an efficient ro...