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Braz J Microbiol. 2008 Apr;39(2):307-10. doi: 10.1590/S1517-838220080002000020. Epub 2008 Jun 1.

A conservative region of the mercuric reductase gene (mera) as a molecular marker of bacterial mercury resistance.

Author information

  • 1Centro de Pesquisa Leônidas e Maria Deane, Fundação Oswaldo Cruz , Manaus, AM , Brasil ; Programa de Pós-Graduação Multi-Institucional em Biotecnologia, Universidade Federal do Amazonas , Manaus, AM , Brasil ; Departamento de Saneamento e Saúde Ambiental, Escola Nacional de Saúde Pública Sérgio Arouca, Fundação Oswaldo Cruz , Rio de Janeiro, RJ , Brasil.

Abstract

The most common bacterial mercury resistance mechanism is based on the reduction of Hg(II) to Hg(0), which is dependent of the mercuric reductase enzyme (MerA) activity. The use of a 431 bp fragment of a conservative region of the mercuric reductase (merA) gene was applied as a molecular marker of this mechanism, allowing the identification of mercury resistant bacterial strains.

KEYWORDS:

bacteria; merA gene; mercury resistant; molecular marker

PMID:
24031221
[PubMed]
PMCID:
PMC3768397
Free PMC Article
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