全基因组关联研究揭示了陆地棉果枝长度的重要位点和候选基因。

IF 3.9 2区生物学 Q1 GENETICS & HEREDITY

Plant Genome Pub Date : 2025-06-01 DOI:10.1002/tpg2.70041

Hui Chang, Honghu Ji, Ruijie Liu, Juling Feng, Jiayi Wang, Shuqi Zhao, Wei Li, Zehua Qiu, Nabil Ibrahim Elsheery, Shuxun Yu, Libei Li, Zhen Feng

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引用次数: 0

摘要

果枝长度对陆地棉的植株构型有显著影响，是优化棉花产量和品质的关键。本研究基于全基因组重测序数据进行了全面的全基因组关联研究，鉴定出249个与果枝长度（FBL）相关的显著snp，形成79个不同的数量性状位点（QTL）区域。值得注意的是，稳定的QTL区域qFBL-A10-4和qFBL-D03-17包含关键候选基因Ghir_A10G014390和Ghir_D03G011390。这些基因的优良单倍型显著提高了棉花的FBL、纤维产量和品质，为优化植株结构和产量的棉花育种计划提供了有价值的目标。

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Genome-wide association study reveals significant loci and candidate genes for fruit branch length in upland cotton.

The length of fruit branches significantly influences plant architecture in upland cotton (Gossypium hirsutum L.), which is crucial for optimizing fiber yield and quality. In this study, a comprehensive genome-wide association study was conducted based on whole-genome resequencing data that identified 249 significant SNPs associated with fruit branch length (FBL), forming 79 distinct quantitative trait loci (QTL) regions. Notably, stable QTL regions qFBL-A10-4 and qFBL-D03-17 were identified, harboring key candidate genes such as Ghir_A10G014390 and Ghir_D03G011390. Superior haplotypes of these genes significantly enhance FBL, fiber yield, and quality, offering valuable targets for cotton breeding programs focused on optimizing plant architecture and productivity.

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来源期刊

Plant Genome PLANT SCIENCES-GENETICS & HEREDITY

CiteScore

6.00

自引率

4.80%

发文量

审稿时长

>12 weeks

期刊介绍： The Plant Genome publishes original research investigating all aspects of plant genomics. Technical breakthroughs reporting improvements in the efficiency and speed of acquiring and interpreting plant genomics data are welcome. The editorial board gives preference to novel reports that use innovative genomic applications that advance our understanding of plant biology that may have applications to crop improvement. The journal also publishes invited review articles and perspectives that offer insight and commentary on recent advances in genomics and their potential for agronomic improvement.