Tet 42, a novel tetracycline resistance determinant isolated from deep terrestrial subsurface bacteria.

Antimicrob Agents Chemother

Department of Biomedical Sciences, Florida State University College of Medicine, 1115 West Call Street, Tallahassee, FL 32306-4300, USA.

Published: December 2008

AI Article Synopsis

  • Tet 42 is a recently identified gene linked to tetracycline resistance found in deep subsurface bacteria, showing 30% sequence similarity to the TetA(Z) gene.
  • The Tet 42 protein is believed to function as an efflux pump, which helps bacteria remove harmful substances like antibiotics.
  • Key features of Tet 42 include a nearby TetR repressor that regulates its activity, a specific conserved sequence motif, and structural components that span cell membranes.

Article Abstract

Tet 42, a novel tetracycline resistance determinant from deep subsurface bacteria, was characterized and found to have a 30% sequence similarity to TetA(Z). The protein is a putative efflux pump that shares characteristics with previously characterized pumps, including a divergently transcribed TetR repressor, a conserved GxxSDRxGRR motif, and transmembrane domains.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2592862PMC
http://dx.doi.org/10.1128/AAC.00640-08DOI Listing

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