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Overexpression of GmNF-YA14 produced multiple phenotypes in soybean

文献类型： 外文期刊

作者： Wang, Tanliu 1 ; Yu, Lifeng 1 ; Li, Qiang 1 ; Zhang, Qiqi 1 ; Yu, Zhijie 1 ; Ding, Xianlong 1 ; Yang, Shouping 1 ;

作者机构： 1.Nanjing Agr Univ, Soybean Res Inst, Natl Ctr Soybean Improvement, Coll Agr,Key Lab Biol & Genet Improvement Soybean, Nanjing, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Crop & Nucl Technol Utilizat, Key Lab Digital Upland Crops Zhejiang Prov, Hangzhou, Peoples R China

关键词： GmNF-YA14; Plant type; Salt stress; Growth period; Soybean[Glycine max (L; ) Merr; )]

期刊名称：ENVIRONMENTAL AND EXPERIMENTAL BOTANY （ 影响因子：5.7； 五年影响因子：6.0 ）

ISSN： 0098-8472

年卷期： 2023 年 210 卷

页码：

收录情况： SCI

摘要： Soybean is an important oil crop, and more and more soybean gene functions have been reported; however, one soybean gene with multiple functions is rarely seen. The NF-YA subfamily plays a broad regulatory role in plant growth and development, and GmNF-YA14 (Glyma.14G010000) is one of them. We found that the expression level of GmNF-YA14 in the root of soybean seedlings was significantly increased after a one-hour treatment with 200 mM salt. The transgenic soybean was obtained by Agrobacterium-mediated method, and all experiments were carried out using transgenic soybean homozygous lines. Under a 200 mM salt treatment, the leaf chlorophyll content of overexpressed GmNF-YA14 transgenic soybean seedlings was significantly decreased compared to the control. Moreover, the first flowering time of overexpressed GmNF-YA14 transgenic soybean was shortened by more than six days compared to the control, and the growth period structure changed significantly. Overexpressed GmNF-YA14 transgenic soybean plants had two or three branches, whereas control soybean plants had eight or nine branches. Compared to the control, the number of main stem nodes and plant height of overexpressed GmNF-YA14 transgenic soybean plants were significantly reduced. The 100-seed weight of GmNF-YA14 transgenic soybean line OE-8 was significantly higher than that of the control. Transcriptome analysis indicated that the multiple phenotypes of the overexpressed GmNF-YA14 transgenic soybean may be related to the mitogen-activated protein kinase (MAPK) signaling pathway. These results indicated that compared to the control, overexpressed GmNF-YA14 transgenic soybeans had changes in salt stress tolerance, growth period, plant type, and 100-seed weight, and these changes may be related to the MAPK signaling pathway.

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