Genome-wide association study and transcriptome analysis reveal key genes controlling fruit branch angle in cotton
文献类型： 外文期刊
作者： Shao, Panxia 1 ; Peng, Yabin 2 ; Wu, Yuanlong 1 ; Wang, Jing 3 ; Pan, Zhenyuan 1 ; Yang, Yang 4 ; Aini, Nurimanguli 1 ; Guo, Chunping 1 ; Shui, Guangling 1 ; Chao, Lei 1 ; Tian, Xiaomin 1 ; An, Qiushuang 1 ; Yang, Qingyong 3 ; You, Chunyuan 2 ; Lu, Lu 1 ; Zhang, Xianlong 2 ; Wang, Maojun 2 ; Nie, Xinhui 1 ;
作者机构： 1.Shihezi Univ, Agr Coll, Key Lab Oasis Ecol Agr Xinjiang Prod & Construct C, Shihezi, Xinjiang, Peoples R China
2.Huazhong Agr Univ, Natl Key Lab Crop Genet Improvement, Hubei Hongshan Lab, Wuhan, Hubei, Peoples R China
3.Huazhong Agr Univ, Coll Informat, Wuhan, Hubei, Peoples R China
4.Xinjiang Acad Agr Sci, Inst Nucl Technol & Biotechnol, Urumqi, Xinjiang, Peoples R China
5.Shihezi Acad Agr Sci, Cotton Res Inst, Shihezi, Xinjiang, Peoples R China
关键词： plant architecture; cotton; fruit branch angle; GWAS; transcriptome analysis
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：6.627； 五年影响因子：7.255 ）
ISSN： 1664-462X
年卷期： 2022 年 13 卷
页码：
收录情况： SCI
摘要： Fruit branch angle (FBA), a pivotal component of cotton plant architecture, is vital for field and mechanical harvesting. However, the molecular mechanism of FBA formation is poorly understood in cotton. To uncover the genetic basis for FBA formation in cotton, we performed a genome-wide association study (GWAS) of 163 cotton accessions with re-sequencing data. A total of 55 SNPs and 18 candidate genes were significantly associated with FBA trait. By combining GWAS and transcriptome analysis, four genes underlying FBA were identified. An FBA-associated candidate gene Ghi_A09G08736, which is homologous to SAUR46 in Arabidopsis thaliana, was detected in our study. In addition, transcriptomic evidence was provided to show that gravity and light were implicated in the FBA formation. This study provides new insights into the genetic architecture of FBA that informs architecture breeding in cotton.
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