Identification of Vibrio natriegens uvrA and uvrB Genes and Analysis of Gene Regulation Using Transcriptional Reporter Plasmids

Keryn L. Simons; Susan M. Thomas; Peter A. Anderson

doi:10.1007/s12275-010-9370-z

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Identification of Vibrio natriegens uvrA and uvrB Genes and Analysis of Gene Regulation Using Transcriptional Reporter Plasmids: Keryn L. Simons ¹, Susan M. Thomas ², Peter A. Anderson ¹; Journal of Microbiology 2010;48(5):644-656.
DOI: https://doi.org/10.1007/s12275-010-9370-z
Published online: November 3, 2010

¹School of Biological Sciences, Flinders University, Adelaide, S.A, 5001, Australia, ²Charles Sturt University, Wagga Wagga, N.S.W, 2678, Australia¹School of Biological Sciences, Flinders University, Adelaide, S.A, 5001, Australia, ²Charles Sturt University, Wagga Wagga, N.S.W, 2678, Australia

Corresponding author: Keryn L. Simons , Tel: +61-8-8201-7961,

Received: 1 December 2009 • Accepted: 16 May 2010

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Abstract

Nucleotide excision repair (NER) rectifies a variety of chemically and structurally distinct DNA lesions. The current model of NER is based upon the enteric bacterium Escherichia coli and there is scarce information about how other bacterial species respond to, and correct, DNA damage. Here we report the isolation and functional analysis of the uvrA and uvrB genes from Vibrio natriegens, a naturally occurring marine bacterium. Genetic studies were completed to assess the repair capabilities of V. natriegens uvrA and uvrB in E. coli uvrA and uvrB mutants. In addition to the genetic studies, transcriptional fusions between the luciferase gene and the 5′ regulatory regions of uvrA and uvrB gene of V. natriegens and E. coli were constructed. Luminescent measurements from E. coli transformed with these constructs showed that whilst the response to UV irradiation of either E. coli or V. natriegens uvrA regulatory sequences was similar, both the rate and induction of luminescence detected from the uvrB regulatory regions differed.

Keywords: NER;uvrA;uvrB;V. natriegens;luxAB

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Identification of Vibrio natriegens uvrA and uvrB Genes and Analysis of Gene Regulation Using Transcriptional Reporter Plasmids

J. Microbiol. 2010;48(5):644-656. Published online November 3, 2010

DOI: https://doi.org/10.1007/s12275-010-9370-z

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