Characterization of the ars Gene Cluster from Extremely Arsenic-Resistant Microbacterium sp. Strain A33-Reference-Cited by-同舟云学术

Characterization of the ars Gene Cluster from Extremely Arsenic-Resistant Microbacterium sp. Strain A33

Published:2010-02 Issue:3 Volume:76 Page:948-955
ISSN:0099-2240
Container-title:Applied and Environmental Microbiology
language:en
Short-container-title:Appl Environ Microbiol

Author:

Achour-Rokbani Asma¹,Cordi Audrey¹,Poupin Pascal¹,Bauda Pascale¹,Billard Patrick¹²

Affiliation:

1. LIEBE, UMR 7146 CNRS Université Paul Verlaine-Metz, Campus Bridoux, Rue du Général Delestraint, 57070 Metz, France

2. LIMOS, UMR 7137 CNRS-UHP, Nancy-Université, Boulevard des Aiguillettes, BP 70239, 54506 Vandœuvre lès Nancy, France

Abstract

ABSTRACT The arsenic resistance gene cluster of Microbacterium sp. A33 contains a novel pair of genes ( arsTX ) encoding a thioredoxin system that are cotranscribed with an unusual arsRC2 fusion gene, ACR3 , and arsC1 in an operon divergent from arsC3 . The whole ars gene cluster is required to complement an Escherichia coli ars mutant. ArsRC2 negatively regulates the expression of the pentacistronic operon. ArsC1 and ArsC3 are related to thioredoxin-dependent arsenate reductases; however, ArsC3 lacks the two distal catalytic cysteine residues of this class of enzymes.

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Link

https://journals.asm.org/doi/pdf/10.1128/AEM.01738-09

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