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Identification and characterization of a major Zn(II) resistance determinant of Mycobacterium smegmatis.


ABSTRACT: A zinc ion-sensitive mutant of Mycobacterium smegmatis was isolated. The transposon insertion was located in zitA (MSMEG0750), a gene coding for a cation diffusion facilitator family protein. Zinc ions specifically induced expression of zitA. In silico analysis revealed that environmental and opportunistic pathogenic species contain higher numbers of cation diffusion facilitator genes than do obligate pathogens.

SUBMITTER: Grover A 

PROVIDER: S-EPMC1595519 | biostudies-literature | 2006 Oct

REPOSITORIES: biostudies-literature

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Identification and characterization of a major Zn(II) resistance determinant of Mycobacterium smegmatis.

Grover Amit A   Sharma Rakesh R  

Journal of bacteriology 20061001 19


A zinc ion-sensitive mutant of Mycobacterium smegmatis was isolated. The transposon insertion was located in zitA (MSMEG0750), a gene coding for a cation diffusion facilitator family protein. Zinc ions specifically induced expression of zitA. In silico analysis revealed that environmental and opportunistic pathogenic species contain higher numbers of cation diffusion facilitator genes than do obligate pathogens. ...[more]

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