The potential role of plasma membrane proteins in response to Zn stress in rice roots based on iTRAQ and PRM under low Cd condition
文献类型: 外文期刊
作者: Hantong Zhang;Weixing Zhang;Siqi Huang;Ping Xu;Zhenzhen Cao;Mingxue Chen;Xiaoyan Lin
作者机构:
关键词: Low Cd;Plasma membrane;Quantitative proteomics;Rice;Zn stress
期刊名称: Journal of Hazardous Materials
ISSN: 0304-3894
年卷期: 2022 年 429 卷
页码:
收录情况: SCIE(2022版) ; EI(2022版)
摘要: Cd pollution had already caused serious threats to crop growth and development, food safety and human health, and become a potential agricultural and global environmental problem. Zn had been used to reduce Cd accumulation in soil and plants. Proteins located in plasma membrane (PM) played important roles in transferring stress signals in plants. To further elucidate how PM proteins modulated Zn/Cd transport under low-Cd condition, quantitative proteomics was employed to identify and verify the differentially expressed proteins (DEPs) and their biological functions at proteome level. A total of 4008 proteins were identified, and 332 DEPs (192 up and 140 down, fold >1.50 or <0.66, p < 0.01) were screened. Functional analysis showed that DEPs were mainly catalytic active and binding proteins, involved in glutathione metabolism, phenylpropanoid biosynthesis, etc. DEPs involved in ion transport played key roles in regulating transmembrane transport, resisting stress and alleviating toxicity of heavy metals to rice roots. DEPs were as the marker proteins in rice root responding to heavy metal stress. This study had important guiding significances for metal ions transport mechanism and screening of biomarkers responding to abiotic stress, and provided references for further researches underlying abiotic stress and detoxication in rice and other plants.
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