Expression of Bacillus stearothermophilus LV cadmium resistance genes in Escherichia coli causes hypersensitivity to cadmium chloride

Mayte Del C Nerey, Sergio E. Pichuantes, Claudia P. Saavedra, Manuel A. Araya, Juan C. Tantaleán, Claudio C. Vásquez

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Determination of the nucleotide sequence of a 4.5-kb chromosomal DNA fragment of Bacillus stearothermophilus LV revealed two open reading frames (ORFs) of 121 and 727 amino acids (aa) that exhibit a high degree of similarity with the cadC and cadA cadmium resistance genes of a number of microorganisms. Transfer and expression of the B. stearothermophilus LV cada or cadC/cadA genes in E. coli caused increased cadmium chloride susceptibility in the bacterial host. Transfer of cadC alone did not result in any detectable phenotypic change in E. coli.

Original languageEnglish
Pages (from-to)187-190
Number of pages4
JournalCurrent Microbiology
Volume45
Issue number3
DOIs
Publication statusPublished - 1 Sept 2002

ASJC Scopus subject areas

  • Microbiology

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