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题名: Roles of UndA and MtrC of Shewanella putrefaciens W3-18-1 in iron reduction
作者: Yang, Yunfeng1; Chen, Jingrong2, 3; Qiu, Dongru2, 3, 4; Zhou, Jizhong1, 2, 3, 5
通讯作者: Yang, YF (reprint author), Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China.
关键词: Shewanella putrefaciens W3-18-1 ; Iron reduction ; c-type cytochrome
刊名: BMC MICROBIOLOGY
发表日期: 2013-11-25
DOI: 10.1186/1471-2180-13-267
卷: 13, 页:-
收录类别: SCI
文章类型: Article
部门归属: [Yang, Yunfeng ; Zhou, Jizhong] Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China ; [Chen, Jingrong ; Qiu, Dongru ; Zhou, Jizhong] Univ Oklahoma, Inst Environm Genom, Norman, OK 73019 USA ; [Chen, Jingrong ; Qiu, Dongru ; Zhou, Jizhong] Univ Oklahoma, Dept Bot & Microbiol, Norman, OK 73019 USA ; [Qiu, Dongru] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hunan, Peoples R China ; [Zhou, Jizhong] Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Science Foundation of China [41171201]; National Key Basic Research Program of China [2013CB956601]; United States Department of Energy's Office of Biological and Environmental Research under Genomics: GTL Program through Shewanella Federation; Microbial Genome Program
类目[WOS]: Microbiology
研究领域[WOS]: Microbiology
摘要: Background: The completion of genome sequencing in a number of Shewanella species, which are most renowned for their metal reduction capacity, offers a basis for comparative studies. Previous work in Shewanella oneidensis MR-1 has indicated that some genes within a cluster (mtrBAC-omcA-mtrFED) were involved in iron reduction. To explore new features of iron reduction pathways, we experimentally analyzed Shewanella putrefaciens W3-18-1 since its gene cluster is considerably different from that of MR-1 in that the gene cluster encodes only four ORFs. Results: Among the gene cluster, two genes (mtrC and undA) were shown to encode c-type cytochromes. The Delta mtrC deletion mutant revealed significant deficiencies in reducing metals of Fe2O3, a-FeO(OH), beta-FeO(OH), ferric citrate, Mn (IV) and Co(III), but not organic compounds. In contrast, no deficiency of metal reduction was observed in the Delta undA deletion mutant. Nonetheless, undA deletion resulted in progressively slower iron reduction in the absence of mtrC and fitness loss under the iron-using condition, which was indicative of a functional role of UndA in iron reduction. Conclusions: These results provide physiological and biochemical evidences that UndA and MtrC of Shewanella putrefaciens W3-18-1 are involved in iron reduction.
英文摘要: Background: The completion of genome sequencing in a number of Shewanella species, which are most renowned for their metal reduction capacity, offers a basis for comparative studies. Previous work in Shewanella oneidensis MR-1 has indicated that some genes within a cluster (mtrBAC-omcA-mtrFED) were involved in iron reduction. To explore new features of iron reduction pathways, we experimentally analyzed Shewanella putrefaciens W3-18-1 since its gene cluster is considerably different from that of MR-1 in that the gene cluster encodes only four ORFs.
关键词[WOS]: MEMBRANE CYTOCHROMES OMCA ; C-TYPE CYTOCHROMES ; ONEIDENSIS MR-1 ; METAL REDUCTION ; SYSTEMS BIOLOGY ; SURFACE ; FUR ; IDENTIFICATION ; SULFATE ; GENOME
语种: 英语
WOS记录号: WOS:000328856200001
ISSN号: 1471-2180
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/19984
Appears in Collections:水生生物分子与细胞生物学研究中心_期刊论文

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作者单位: 1.Tsinghua Univ, Sch Environm, State Key Joint Lab Environm Simulat & Pollut Con, Beijing 100084, Peoples R China
2.Univ Oklahoma, Inst Environm Genom, Norman, OK 73019 USA
3.Univ Oklahoma, Dept Bot & Microbiol, Norman, OK 73019 USA
4.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hunan, Peoples R China
5.Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Div Earth Sci, Berkeley, CA 94720 USA

Recommended Citation:
Yang, Yunfeng; Chen, Jingrong; Qiu, Dongru; Zhou, Jizhong.Roles of UndA and MtrC of Shewanella putrefaciens W3-18-1 in iron reduction,BMC MICROBIOLOGY,2013,13():-
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