微生物砷还原机制的研究进展

被引:6
作者
陈倩
苏建强
叶军
朱永官
机构
[1] 中国科学院城市环境研究所中国科学院城市环境与健康重点实验室
关键词
砷还原; 微生物; 异化砷还原; 细胞质砷还原;
D O I
暂无
中图分类号
X171.5 [污染生态学];
学科分类号
071012 ; 0713 ;
摘要
砷是一种剧毒物质,环境中的砷对人体健康存在潜在威胁,因此长期以来备受关注。微生物的各种代谢过程对砷在环境中的归趋起着重要作用,其中砷还原微生物能将吸附于固体矿物中的As(V)还原为可溶性强的As(III),使砷进入液相,从而加剧了地下水等饮用水源的砷污染。论文主要介绍了两种微生物砷还原机制(异化砷还原和细胞质砷还原)在作用机理、蛋白质结构和表达调控等方面的研究进展,旨在为更深入理解微生物介导砷的生物地球化学循环以及砷污染的微生物修复技术提供参考。
引用
收藏
页码:225 / 233
页数:9
相关论文
共 24 条
[1]   Purification and enzymatic properties of arsenic resistance protein ArsH from heterogeneous expression in E.coli BL21 [J].
吴学玲 ;
苗博 ;
韩剑 ;
胡琪 ;
曾嘉 ;
刘元东 ;
邱冠周 .
Transactions of Nonferrous Metals Society of China, 2010, 20 (10) :1987-1992
[2]  
微生物强化蜈蚣草累积土壤砷能力的研究[J]. 赵根成,廖晓勇,阎秀兰,朱岗辉,涂书新,李顺义,王岩.环境科学. 2010(02)
[3]   Arsenic in the Evolution of Earth and Extraterrestrial Ecosystems [J].
Oremland, Ronald S. ;
Saltikov, Chad W. ;
Wolfe-Simon, Felisa ;
Stolz, John F. .
GEOMICROBIOLOGY JOURNAL, 2009, 26 (07) :522-536
[4]   Arsenic metabolism by microbes in nature and the impact on arsenic remediation [J].
Tsai, Shen-Long ;
Singh, Shailendra ;
Chen, Wilfred .
CURRENT OPINION IN BIOTECHNOLOGY, 2009, 20 (06) :659-667
[5]   Microbial responses to environmental arsenic [J].
Paez-Espino, David ;
Tamames, Javier ;
de Lorenzo, Victor ;
Canovas, David .
BIOMETALS, 2009, 22 (01) :117-130
[6]  
Probing the biogeochemistry of arsenic: Response of two contrasting aquifer sediments from Cambodia to stimulation by arsenate and ferric iron[J] . R. L. Pederick,A. G. Gault,J. M. Charnock,D. A. Polya,J. R. Lloyd.Journal of Environmental Science and Health, Part A . 2007 (12)
[7]   Crystal structure of the flavoprotein ArsH from Sinorhizobium meliloti [J].
Ye, Jun ;
Yang, Hung-Chi ;
Rosen, Barry P. ;
Bhattacharjee, Hirannioy .
FEBS LETTERS, 2007, 581 (21) :3996-4000
[8]  
ArsD: an As(III) metallochaperone for the ArsAB As(III)-translocating ATPase[J] . Yung-Feng Lin,Jianbo Yang,Barry P. Rosen.Journal of Bioenergetics and Biomembranes . 2007 (5)
[9]   Enumeration and characterization of arsenate-resistant bacteria in arsenic free soils [J].
Jackson, CR ;
Dugas, SL ;
Harrison, KG .
SOIL BIOLOGY & BIOCHEMISTRY, 2005, 37 (12) :2319-2322
[10]   A novel arsenate respiring isolate that can utilize aromatic substrates [J].
Liu, A ;
Garcia-Dominguez, E ;
Rhine, ED ;
Young, LY .
FEMS MICROBIOLOGY ECOLOGY, 2004, 48 (03) :323-332