Bioinformatics and Expression Analyses of the TaATLa Gene Subfamily in Wheat (Triticum aestivum L.)

文献类型： 外文期刊

第一作者： Chen, Yifei

作者： Chen, Yifei;Zhao, Kexin;Chen, Heng;Wang, Luzhen;Yan, Shuai;Guo, Lei;Chen, Yifei;Zhao, Kexin;Chen, Heng;Wang, Luzhen;Yan, Shuai;Guo, Lei;Liu, Jianjun;Li, Haosheng;Li, Danping;Zhang, Wenjia;Duan, Xiaoyan;Liu, Xiukun;Cao, Xinyou;Gao, Xin;Liu, Jianjun;Li, Haosheng;Li, Danping;Zhang, Wenjia;Duan, Xiaoyan;Liu, Xiukun;Cao, Xinyou;Gao, Xin

作者机构：

关键词： wheat (Triticum aestivum L.); amino acid transporter; TaATLa subfamily; bioinformatics analysis; gene expression

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）

ISSN： 1661-6596

年卷期： 2024 年 25 卷 22 期

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收录情况： SCI

摘要： Amino acids are the main form of nitrogen in plants, and their transport across cell membranes relies on amino acid transporters (AATs). Among the plant AATs, the TaATLa subfamily comprises 18 members, yet the bioinformatics characteristics and functions of TaATLa genes in common wheat remain poorly understood due to their complex genomes. This study performed genomic analyses of TaATLas. These analyses included chromosome distributions, evolutionary relationships, collinearity, gene structures, and expression patterns. An analysis of cis-acting elements and predicted miRNA-TaATLas regulatory networks suggests that TaATLas are regulated by light, hormones, and stress signals. Functional assays revealed that TaATLa6 transports glutamine (Gln), glutamate (Glu), and aspartate (Asp) in yeast. In contrast, TaATLa4 specifically transports Gln and Asp. Furthermore, TaATLas exhibits diverse gene expression patterns, with TaATLa4-7D enhancing yeast heat tolerance in a heterologous expression system, indicating its potential role in adapting to environmental stress by regulating amino acid transport and distribution. This study sheds light on the functional roles of TaATLa genes, with implications for improving nitrogen use in wheat and other crop species.

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