数字农科院2.0

Identification of ZmSNAC06, a Maize NAC Family Transcription Factor with Multiple Transcripts Conferring Drought Tolerance in Arabidopsis

文献类型： 外文期刊

作者： Fei Wang;Yong Chen;Ruisi Yang;Ping Luo;Houwen Wang;Runze Zhang;Wenzhe Li;Ke Yang;Xinlong Xu;Zhuanfang Hao;Xinhai Li

作者机构：

关键词： drought tolerance;maize (Zea mays L.);transcription factor;ZmSNAC06

期刊名称： Plants

ISSN： 2223-7747

年卷期： 2025 年 14 卷 1 期

页码：

收录情况： SCIE（2025版）

摘要： Drought is one of the most serious environmental stresses affecting crop production. NAC transcription factors play a crucial role in responding to various abiotic stresses in plants. Here, we identified a maize NAC transcription factor, ZmSNAC06, between drought-tolerant and drought-sensitive inbred lines through RNA-seq analysis and characterized its function in Arabidopsis. ZmSNAC06 had five transcripts, of which ZmSNAC06-T02 had a typical NAC domain, while ZmSNAC06-P02 was localized in the nucleus of maize protoplasts and had transactivation activity in yeasts. The expression of ZmSNAC06 in maize was induced by drought. The overexpression of ZmSNAC06-T02 in Arabidopsis resulted in hypersensitivity to abscisic acid (ABA) at the germination stage, and overexpression lines exhibited higher survival rates and higher antioxidant enzyme activities compared with the wild-type under drought stress. These results suggest that ZmSNAC06 acts as a positive regulator in drought tolerance and may be used to improve drought tolerance in crops.

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