GmNMHC5 may promote nodulation via interaction with GmGAI in soybean

文献类型： 外文期刊

第一作者： Wang, Wenting

作者： Wang, Wenting;Wang, Zhili;Bai, Lijuan;Feng, Yongjun;Hou, Wensheng;Chen, Li;Jiang, Bingjun;Ma, Wenya;Song, Wenwen;Xu, Cailong;Han, Tianfu;Wu, Cunxiang

作者机构：

关键词： Glycine max; GmNMHC5; GmGAI; Nodulation; GA pathway

期刊名称：CROP JOURNAL （ 影响因子：4.647； 五年影响因子：5.781 ）

ISSN： 2095-5421

年卷期： 2022 年 10 卷 1 期

页码：

收录情况： SCI

摘要： Soybean (Glycine max [L.] Merr.) is a food and oil crop whose growth and yield are influenced by root and nodule development. In the present study, GmNMHC5 was found to promote the formation of nodules in overexpressing mutants. In contrast, the number of nodules in Gmnmhc5 edited with CRISPR/Cas9 decreased sharply. In 35S:GmNMHC5 mutants, expression levels of genes involved in nodulation were significantly up-regulated. Both in vitro and in vivo biochemical analyses showed that GmNMHC5 directly interacted with GmGAI (a DELLA protein), and the content of gibberellin 3 (GA(3)) in overexpressing mutants was lower than that in the wild type. These results revealed that GmNMHC5 participates in the classical GA signaling pathway, and may regulate the content of GA(3) to match the optimal concentration required for nodule formation, thereby promoting nodulation by directly interacting with GmGAI. A model illustrating the mechanism by which GmNMHC5 promotes soybean nodulation is presented. (C) 2021 Crop Science Society of China and Institute of Crop Science, CAAS. Production and hosting by Elsevier B.V. on behalf of KeAi Communications Co., Ltd.

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