Horizontal spread of mer operons among gram-positive bacteria in natural environments.

Microbiology
E BogdanovaV Nikiforov

Abstract

Horizontal dissemination of the genes responsible for resistance to toxic pollutants may play a key role in the adaptation of bacterial populations to environmental contaminants. However, the frequency and extent of gene dissemination in natural environments is not known. A natural horizontal spread of two distinct mercury resistance (mer) operon variants, which occurred amongst diverse Bacillus and related species over wide geographical areas, is reported. One mer variant encodes a mercuric reductase with a single N-terminal domain, whilst the other encodes a reductase with a duplicated N-terminal domain. The strains containing the former mer operon types are sensitive to organomercurials, and are most common in the terrestrial mercury-resistant Bacillus populations studied in this work. The strains containing the latter operon types are resistant to organomercurials, and dominate in a Minamata Bay mercury-resistant Bacillus population, previously described in the literature. At least three distinct transposons (related to a class II vancomycin-resistance transposon, Tn1546, from a clinical Enterococcus strain) and conjugative plasmids are implicated as mediators of the spread of these mer operons.

References

Dec 1, 1977·Proceedings of the National Academy of Sciences of the United States of America·F SangerA R Coulson
Nov 24, 1979·Nucleic Acids Research·H C Birnboim, J Doly
Dec 1, 1992·Molecular & General Genetics : MGG·R Sedlmeier, J Altenbuchner
Nov 1, 1990·Plasmid·J GrinstedR Schmitt
Jan 1, 1990·Biology of Metals·B H Belliveau, J T Trevors
Oct 5, 1990·Journal of Molecular Biology·S F AltschulD J Lipman
Apr 24, 1989·FEBS Letters·E S Bogdanova, S Z Mindlin
Aug 1, 1987·Proceedings of the National Academy of Sciences of the United States of America·R A LaddagaS Silver
Jan 1, 1987·Journal of Molecular Evolution·H Ochman, A C Wilson
Jul 18, 1988·FEBS Letters·E S BogdanovaV G Nikiforov
Jan 1, 1986·Annual Review of Microbiology·A O Summers
Apr 1, 1986·Antimicrobial Agents and Chemotherapy·W WitteS Silver
Dec 1, 1986·Applied and Environmental Microbiology·I MahlerH O Halvorson
Sep 1, 1994·Nucleic Acids Research·B L MaidakC R Woese
Dec 1, 1994·Applied and Environmental Microbiology·K Nakamura, S Silver
Jun 1, 1994·Applied and Environmental Microbiology·R J CanoK J Pollard
Apr 20, 1993·Journal of Molecular Biology·G Y KholodiiV G Nikiforov
Mar 1, 1996·FEMS Microbiology Letters·T JohansenA B Kolstø
Jan 1, 1996·Annual Review of Microbiology·S Silver, L T Phung
Apr 1, 1997·FEMS Microbiology Reviews·A M OsbornD A Ritchie
Jan 1, 1992·Advances in Space Research : the Official Journal of the Committee on Space Research (COSPAR)·D A GilichinskyD G Fyordorov-Dayvdov
Nov 30, 1948·Annals of the New York Academy of Sciences·A C DORNBUSH, E J PELCAK
Dec 1, 1995·Evolution; International Journal of Organic Evolution·Michael S Roberts, Frederick M Cohan

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Citations

Feb 1, 2006·Archives of Microbiology·Seralathan Kamala KannanRamaswamy Krishnamoorthy
Apr 3, 2007·Extremophiles : Life Under Extreme Conditions·Aspassia D ChatziefthimiouTamar Barkay
Apr 22, 2009·Extremophiles : Life Under Extreme Conditions·Tatiana A VishnivetskayaJames M Tiedje
Apr 29, 1998·Trends in Neurosciences·M Goetz
Apr 3, 2004·Proceedings. Biological Sciences·M Claire Horner-DevineBrendan J M Bohannan
Nov 5, 2005·Applied and Environmental Microbiology·Tatiana A Vishnivetskaya, Sophia Kathariou
Oct 12, 2013·Environmental Science and Pollution Research International·Hirak R DashSurajit Das
Jun 26, 2007·Bioscience, Biotechnology, and Biochemistry·Ju-Liang HsiehChieh-Chen Huang
Jan 24, 2016·FEMS Microbiology Letters·Kazuaki MatsuiGinro Endo
Jun 15, 2010·Journal of Bioscience and Bioengineering·Mei-Fang ChienGinro Endo
Oct 18, 2013·Journal of Basic Microbiology·Amit BafanaKannan Krishnamurthi
Jun 28, 2003·FEMS Microbiology Reviews·Tamar BarkayAnne O Summers
Oct 26, 2005·FEMS Microbiology Letters·Kazuaki MatsuiGinro Endo
Jul 15, 2004·FEMS Microbiology Letters·Paul StapletonHilary Richards
Jan 12, 2017·Applied Microbiology and Biotechnology·Khandaker Rayhan MahbubMallavarapu Megharaj
Feb 27, 2018·Applied Microbiology and Biotechnology·Kazuaki Matsui, Ginro Endo
Mar 8, 2021·Environmental Science and Pollution Research International·Shalini SinghAnkur Singh
Aug 28, 2021·Microorganisms·Badriyah Shadid AlotaibiSaba Shamim

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