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Maize factors ZmUBP15, ZmUBP16 and ZmUBP19 play important roles for heck plants to tolerance the cadmium stress and salt stress

文献类型: 外文期刊

作者: Kong, Jingjing 1 ; Jin, Jing 3 ; Dong, Qing 4 ; Qiu, Jianle 1 ; Lii, Yangyang 1 ; Yang, Yuehan 1 ; Shi, Yutian 1 ; Si, We 1 ;

作者机构: 1.Anhui Agr Univ, Natl Engn Lab Crop Stress Resistance Breeding, Hefei 230036, Anhui, Peoples R China

2.Anhui Agr Univ, Sch Life Sci, Hefei 230036, Anhui, Peoples R China

3.Yangzhou Polytech Coll, Sch Hort & Landscape, Yangzhou 225009, Jiangsu, Peoples R China

4.Anhui Acad Agr Sci, Maize Res Ctr, Hefei 230031, Anhui, Peoples R China

关键词: Maize; ZmUBP15; ZmUBP16; ZmUBP19; Cadmium stress

期刊名称:PLANT SCIENCE ( 影响因子:4.729; 五年影响因子:5.132 )

ISSN: 0168-9452

年卷期: 2019 年 280 卷

页码:

收录情况: SCI

摘要: Ubiquitin-Specific Protease16 (UBP16) has been described involved in cadmium stress and salt stress in Arabidopsis, however nothing is known about the functions of its homologs in maize. In this study, we investigate the functions of ZmUBP15, ZmUBP16 and ZmUBP19, three Arabidopsis UBP16 homologs in maize. Our results indicate that ZmUBP15, ZmUBP16 and ZmUBP19 are ubiquitously expressed throughout plant development, and ZmUBP15, ZmUBP16 and ZmUBP19 proteins are mainly localized in plasma membrane. Complementation analyses show that over-expression of ZmUBP15 or ZmUBP16 can rescue the defective phenotype of ubp16-1 in cadmium stress. In addition, over-expression of ZmUBP15, ZmUBP16 or ZmUBP19 can increase the plant tolerance to cadmium stress. These results indicate that ZmUBP15, ZmUBP16 and ZmUBP19 are required for plant to tolerance the cadmium stress. Consistent with this point, cadmium-related genes are markedly up-regulated in seedlings over-expressing ZmUBP15, ZmUBP16 or ZmUBP19. Furthermore, our data indicate that ZmUBP15, ZmUBP16 and ZmUBP19 partially rescue the salt-stress phenotype of ubp16-1. Thus, our research uncover the functions of three novel maize proteins, ZmUBP15, ZmUBP16 and ZmUBP19, which are required for plants in response to cadmium stress and salt stress.

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