文献类型： 外文期刊
第一作者： Xu, Zhiyong
作者： Xu, Zhiyong;Kong, Keke;Kong, Jiejie;Zhao, Tuanjie;Xu, Zhiyong;Zhang, Liya;Ji, Ronghuan;Liu, Jun;Li, Hongyu;Ren, Yulong;Zhou, Wenbin;Zhao, Tao;Liu, Bin;Xu, Zhiyong;Liu, Yi
作者机构：
关键词： soybean; lodging resistance; gravitropism; amyloplast sedimentation; polar auxin transport
期刊名称：PLANT BIOTECHNOLOGY JOURNAL （ 影响因子：10.5； 五年影响因子：12.4 ）
ISSN： 1467-7644
年卷期： 2025 年 23 卷 2 期
页码：
收录情况： SCI
摘要： Soybean, a staple crop on a global scale, frequently encounters challenges due to lodging under high planting densities, which results in significant yield losses. Despite extensive research, the fundamental genetic mechanisms governing lodging resistance in soybeans remain elusive. In this study, we identify and characterize the Creeping Stem 1 (CS1) gene, which plays a crucial role in conferring lodging resistance in soybeans. The CS1 gene encodes a HEAT-repeat protein that modulates hypocotyl gravitropism by regulating amyloplast sedimentation. Functional analysis reveals that the loss of CS1 activity disrupts polar auxin transport, vascular bundle development and the biosynthesis of cellulose and lignin, ultimately leading to premature lodging and aberrant root development. Conversely, increasing CS1 expression significantly enhances lodging resistance and improves yield under conditions of high planting density. Our findings shed light on the genetic mechanisms that underlie lodging resistance in soybeans and highlight the potential of CS1 as a valuable target for genetic engineering to improve crop lodging resistance and yield.
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