The Effect of Metal Ions on the Growth and Ferrous IronOxidation by Leptospirillum ferriphilum CC Isolated from Armenia Mine Sites

doi:10.3390/met11030425

	The Effect of Metal Ions on the Growth and Ferrous IronOxidation by Leptospirillum ferriphilum CC Isolated from Armenia Mine Sites
	Khachatryan, Anna 1; Vardanyan, Narine 1; Vardanyan, Arevik 1; Zhang, Ruiyong 2,3,4; Castro, Laura 5
	2021-03-01
发表期刊	METALS
卷号	11 期号:3 页码:13
通讯作者	Vardanyan, Narine([email protected]) ; Zhang, Ruiyong([email protected])
摘要	The aim of this study is to investigate the potential of newly isolated strain Leptospirillum (L.) ferriphilum CC for bioleaching of pyrite and chalcopyrite in pure or mixed culture with other iron- and/or sulfur-oxidizing bacteria. In this paper, kinetics of ferrous iron (Fe2+) oxidation by newly isolated strain Leptospirillum (L.) ferriphilum CC was studied. The effect of initial Fe2+ in the concentration range of 50-400 mM on bacterial growth and iron oxidation was studied. It was shown that microbial Fe2+ oxidation was competitively inhibited by Fe3+. The influence of copper, zinc, nickel and cobalt ions on the oxidation of Fe2+ by L. ferriphilum CC was also studied. Minimal inhibitory concentrations (MIC) for each metal ion were determined. The toxicity of the ions was found to be as follows: Co > Zn > Ni > Cu. The comparison of iron oxidation kinetic parameters of L. ferriphilum CC with other strains of L. ferriphilum indicates the high potential of strain L. ferriphilum CC for biogenic regeneration of concentrated ferric iron (Fe3+) in bioleaching processes of ores and ore concentrates. Bioleaching tests indicated that the newly isolated L. ferriphilum CC can be a prospective strain for the bioleaching of sulfide minerals in pure culture or in association with other iron- and/or sulfur-oxidizing bacteria.
关键词	leptospirillum ferriphilum iron-oxidizing kinetics specific grow rate saturation constant tolerance to metal ions
DOI	10.3390/met11030425
收录类别	SCI
语种	英语
资助项目	Spanish Ministry of Economy and Competitiveness[MAT2014-59222R]
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000633879400001
出版者	MDPI
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/170297
专题	海洋环境腐蚀与生物污损重点实验室
通讯作者	Vardanyan, Narine; Zhang, Ruiyong
作者单位	1.Natl Acad Sci Armenia, Dept Microbiol, SPC Armbiotechnol, 14 Gyurjyan Str, Yerevan 0056, Armenia 2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China 3.Chinese Acad Sci, Ctr Ocean Megasci, 7 Nanhai Rd, Qingdao 266071, Peoples R China 4.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Marine Corros & Protect, 1 Wenhai Rd, Qingdao 266237, Peoples R China 5.Rey Juan Carlos Univ, Sch Expt Sci & Technol, Dept Appl Math Mat Sci & Engn & Elect Technol, Mostoles 28935, Spain
通讯作者单位	中国科学院海洋研究所; 中国科学院海洋大科学研究中心
推荐引用方式 GB/T 7714	Khachatryan, Anna,Vardanyan, Narine,Vardanyan, Arevik,et al. The Effect of Metal Ions on the Growth and Ferrous IronOxidation by Leptospirillum ferriphilum CC Isolated from Armenia Mine Sites[J]. METALS,2021,11(3):13.
APA	Khachatryan, Anna,Vardanyan, Narine,Vardanyan, Arevik,Zhang, Ruiyong,&Castro, Laura.(2021).The Effect of Metal Ions on the Growth and Ferrous IronOxidation by Leptospirillum ferriphilum CC Isolated from Armenia Mine Sites.METALS,11(3),13.
MLA	Khachatryan, Anna,et al."The Effect of Metal Ions on the Growth and Ferrous IronOxidation by Leptospirillum ferriphilum CC Isolated from Armenia Mine Sites".METALS 11.3(2021):13.

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