IiAGL6 participates in the regulation of stamen development and pollen formation in Isatis indigotica

文献类型： 外文期刊

第一作者： Yang, Liu

作者： Yang, Liu;Qiao, Xin;He, Hao-En;Yi, Wei-Wei;Gao, Ya-Nan;Tan, Xiao-Min;Cheng, Hao;Hou, Xiao-Fang;Ma, Ye -Ye;Wang, Hong -Li;Huang, Xuan;Ma, Yan-Qin;Xu, Zi-Qin;Ma, Yan-Qin

作者机构：

关键词： AGMOUSE LIKE 6; Arabidopsis thaliana; Isatis indigotica fortune; Development of stamen; Virus-induced gene silencing

期刊名称：PLANT SCIENCE （ 影响因子：5.2； 五年影响因子：5.7 ）

ISSN： 0168-9452

年卷期： 2024 年 340 卷

页码：

收录情况： SCI

摘要： The AGL6 (AGMOUSE LIKE 6) gene is a member of the SEP subfamily and functions as an E-class floral homeotic gene in the development of floral organs. In this study, we cloned IiAGL6, the orthologous gene of AGL6 in Isatis indigotica. The constitutive expression of IiAGL6 in Arabidopsis thaliana resulted in a late-flowering phenotype and the development of curly leaves during the vegetative growth period. Abnormal changes in floral organ development were observed during the reproductive stage. In woad plants, suppression of IiAGL6 using TRV-VIGS (tobacco rattle virus-mediated virus-induced gene silencing) decreased the number of stamens and led to the formation of aberrant anthers. Similar changes in stamen development were also observed in miRNA-AGL6 transgenic Arabidopsis plants. Yeast two-hybrid and BiFC tests showed that IiAGL6 can interact with other MADS-box proteins in woad; thus, playing a key role in defining the identities of floral organs, particularly during stamen formation. These findings might provide novel insights and help investigate the biological roles of MADS transcription factors in I. indigotica.

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