文献类型： 外文期刊
作者： Li Fu 1 ; Yan Dong 2 ; Gao Li-feng 2 ; Liu Pan 2 ; Zhao Guang-yao 2 ; Jia Ji-zeng 2 ; Ren Zheng-long 1 ;
作者机构： 1.Sichuan Agr Univ, Key Lab Plant Genet & Breeding, Yaan 625014, Peoples R China
2.Chinese Acad Agr Sci, Natl Key Facil Crop Gene Resources & Genet Improv, Inst Crop Sci, Beijing 100081, Peoples R China
关键词： wheat; auxin; plant architecture; TaIAA15; haplotypes
期刊名称：JOURNAL OF INTEGRATIVE AGRICULTURE （ 影响因子：4.384； 五年影响因子：4.021 ）
ISSN： 2095-3119
年卷期： 2022 年 21 卷 5 期
页码：
收录情况： SCI
摘要： Bread wheat (Triticum aestivum L.) is one of the most important staple crops worldwide. The phytohormone auxin plays critical roles in the regulation of plant growth and development. However, only a few auxin-related genes have been genetically demonstrated to be involved in the control of plant architecture in wheat thus far. In this study, we characterized an auxin related gene in wheat, TaIAA15, and found that its ectopic expression in rice decreased the plant height and increased the leaf angle. Correlation analysis indicated that TaIAA15-3B was associated with plant height (Ph), spike length (SL) and 1 000-grain weight (TGW) in wheat, and Hap-II of TaIAA15-3B was the most favored allele and selected by modern breeding in China. This study sheds light on the role of auxin signaling on wheat plant architecture as well as yield related traits.
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