Genome-Wide Characterization and Function Analysis of ZmERD15 Genes' Response to Saline Stress in Zea mays L.

被引：4

作者：

Duan, Huaming ^{[1
]}

Fu, Qiankun ^{[1
]}

Lv, Hong ^{[1
]}

Gao, Aijun ^{[1
]}

Chen, Xinyu ^{[1
]}

Yang, Qingqing ^{[1
]}

Wang, Yingge ^{[1
]}

Li, Wanchen ^{[1
]}

Fu, Fengling ^{[1
]}

Yu, Haoqiang ^{[1
]}

机构：

[1] Sichuan Agr Univ, Maize Res Inst, Key Lab Biol & Genet Improvement Maize Southwest R, Minist Agr, Chengdu 611130, Peoples R China

来源：

INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES | 2022年 / 23卷 / 24期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

ERD; abiotic stress; tolerance; maize; DEHYDRATION-INDUCED GENE; TRANSCRIPTION FACTOR; EXPRESSION ANALYSIS; ERD15; GENE; ARABIDOPSIS; CLONING; CDNAS; IDENTIFICATION; TOLERANCE; MAIZE;

D O I：

10.3390/ijms232415721

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Early responsive dehydration (ERD) genes can be rapidly induced by dehydration. ERD15 genes have been confirmed to regulate various stress responses in plants. However, the maize ERD15 members have not been characterized. In the present study, a total of five ZmERD15 genes were identified from the maize genome and named ZmERD15a, ZmERD15b, ZmERD15c, ZmERD15d, and ZmERD15e. Subsequently, their protein properties, gene structure and duplication, chromosomal location, cis-acting elements, subcellular localization, expression pattern, and over-expression in yeast were analyzed. The results showed that the ZmERD15 proteins were characterized by a similar size (113-159 aa) and contained a common domain structure, with PAM2 and adjacent PAE1 motifs followed by an acidic region. The ZmERD15 proteins exhibited a close phylogenetic relationship with OsERD15s from rice. Five ZmERD15 genes were distributed on maize chromosomes 2, 6, 7, and 9 and showed a different exon-intron organization and were expanded by duplication. Besides, the promoter region of the ZmERD15s contained abundant cis-acting elements that are known to be responsive to stress and hormones. Subcellular localization showed that ZmERD15b and ZmERD15c were localized in the nucleus. ZmERD15a and ZmERD15e were localized in the nucleus and cytoplasm. ZmERD15d was localized in the nucleus and cell membrane. The results of the quantitative real-time PCR (qRT-PCR) showed that the expression of the ZmERD15 genes was regulated by PEG, salinity, and ABA. The heterologous expression of ZmERD15a, ZmERD15b, ZmERD15c, and ZmERD15d significantly enhanced salt tolerance in yeast. In summary, a comprehensive analysis of ZmERD15s was conducted in the study. The results will provide insights into further dissecting the biological function and molecular mechanism of ZmERD15s regulating of the stress response in maize.

引用

页数：14

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