Transcriptome analysis of silver, palladium, and selenium stresses in Pantoea sp IMH

CORC > 生态环境研究中心 > 中国科学院生态环境研究中心 > 环境化学与生态毒理学国家重点实验室

	Transcriptome analysis of silver, palladium, and selenium stresses in Pantoea sp IMH
	Liu, Wenjing; Wang, Yanan; Jing, Chuanyong
刊名	CHEMOSPHERE
	2018-10-01
卷号	208 页码:50-58
关键词	Silver Palladium Selenium Nanoparticles Bioreduction Metal resistance
ISSN号	0045-6535
文献子类	Article
英文摘要	Heavy metal contamination is a significant environmental issue. Using bacteria for removal and reduction of heavy metals is an attractive alternative owing to its low-cost and eco-friendly properties. However, the mechanisms of resistance to and reduction of Ag(I), Pd(II), and Se(IV), especially in the same strain, remain unclear. Here, Pantoea sp. IMH was examed for its reduction of Ag(I), Pd(II), and Se(IV) to nanoparticles (NPs), and the molecular mechanism was investigated by transcriptome analysis. The results revealed that genes encoding binding, transport, catalytic activity, and metabolism were differentially expressed in cells exposed to Ag(I), Pd(II), and Se(IV). The same resistance mechanisms for all metals included multiple stress resistance protein BhsA and glutathione detoxification metabolism. However, zinc transport protein and sulfate metabolism played an important role in the resistance to cationic metals (Ag+ and Pd2+), while the oxalate transporter and arsenic resistance mechanisms were specifically involved in the resistance to and reduction of anion (SeO32-). In addition, Ag(I) was speculated to be reduced to AgNPs by glucose and cytochrome CpxP was involved in Pd(II) reduction. Our results provided new clues on the mechanisms of resistance to and reduction of Ag(I), Pd(II), and Se(IV). (C) 2018 Elsevier Ltd. All rights reserved.
内容类型	期刊论文
源URL	[http://ir.rcees.ac.cn/handle/311016/41076]
专题	生态环境研究中心_环境化学与生态毒理学国家重点实验室
推荐引用方式 GB/T 7714	Liu, Wenjing,Wang, Yanan,Jing, Chuanyong. Transcriptome analysis of silver, palladium, and selenium stresses in Pantoea sp IMH[J]. CHEMOSPHERE,2018,208:50-58.
APA	Liu, Wenjing,Wang, Yanan,&Jing, Chuanyong.(2018).Transcriptome analysis of silver, palladium, and selenium stresses in Pantoea sp IMH.CHEMOSPHERE,208,50-58.
MLA	Liu, Wenjing,et al."Transcriptome analysis of silver, palladium, and selenium stresses in Pantoea sp IMH".CHEMOSPHERE 208(2018):50-58.