The GmMYB1-GmbHLHA-GmCPC-like module regulates light-induced anthocyanin production in soybean sprouts
文献类型： 外文期刊
作者： Niu, Mengyang 1 ; Guo, Youyou 1 ; Hu, Gang 2 ; Li, Liuyi 3 ; Lu, Yaping 4 ; Lu, Yanwu 4 ; Yuan, Xingxing 1 ; Shen, Zhenguo 1 ; Su, Nana 1 ;
作者机构： 1.Nanjing Agr Univ, Coll Life Sci, Nanjing 210095, Peoples R China
2.Nanjing Agr Univ, Modern Agr Anal & Testing Ctr, Nanjing, Peoples R China
3.Nanjing Normal Univ, High Sch, Qinhuai Campus, Nanjing, Peoples R China
4.Nanjing Agr Univ, Coll Life Sci, Biol Expt Teaching Ctr, Nanjing, Peoples R China
5.Jiangsu Acad Agr Sci, Inst Ind Crops, Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing, Peoples R China
关键词： Soybean; Anthocyanin; STF; MYB1; bHLHA; CPC-Like
期刊名称：PLANT PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：5.7； 五年影响因子：6.4 ）
ISSN： 0981-9428
年卷期： 2025 年 222 卷
页码：
收录情况： SCI
摘要： Soybean (Glycine max L.) is an important economic crop, flavonoids (such as anthocyanins) and some other nutrients of which were significantly promoted after germination. The accumulation of anthocyanin is influenced by many kinds of factors in plants, the regulatory mechanism of which is relatively complex. Here, soybean double mutant stf1/2 was utilized and found that GmSTF1/2 participated in light-mediated anthocyanin production in soybean. GmMYB1 was considered as a direct target of GmSTF1/2. Expressing GmMYB1 in soybean hair roots and tobacco significantly promoted anthocyanin content. GmMYB1 could directly bind to the promoters of GmDFR, GmANS, and GmUFGT, thereby promoting their transcriptions. In addition, GmMYB1 interacted with GmbHLHA, and their interaction could enhance the functions of GmMYB1 in positively regulating anthocyanin accumulation. R3-MYB GmCPC-like was activated by GmMYB1 when anthocyanin was abundant. Expressing GmCPC-like significantly inhibited anthocyanin contents in soybean hair roots and tobacco. GmCPClike inhibited anthocyanin accumulation mainly through interacting with GmMYB1 and GmbHLHA, and then decreased their positive roles in anthocyanin production. Taken together, the GmMYB1-GmbHLHA-GmCPC-like module finely regulates anthocyanin production in soybean sprouts.
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