Horizontal Transfer of Mercury Resistance Genes in Environmental Bacterial Populations

Horizontal Transfer of Mercury Resistance Genes in Environmental Bacterial Populations

The results of studying the horizontal transfer of mercury resistance determinants in environmental bacterial populations are reviewed. Identical or highly homologous mercury resistance (mer) operons and transposons were found in bacteria of different taxonomic groups from geographically distant reg...

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Veröffentlicht in:Molecular biology (New York) 2002-03, Vol.36 (2), p.160-170
Hauptverfasser: Mindlin, S Z, Bass, I A, Bogdanova, E S, Gorlenko, Zh M, Kalyaeva, E S, Petrova, M A, Nikiforov, V G
Format: Artikel
Sprache:eng
Schlagworte:
Bacteria
Data processing
Genomics
Gram-positive bacteria
Horizontal transfer
Mercury
Operons
Recombination
Reviews
Transposons
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Zusammenfassung:The results of studying the horizontal transfer of mercury resistance determinants in environmental bacterial populations are reviewed. Identical or highly homologous mercury resistance (mer) operons and transposons were found in bacteria of different taxonomic groups from geographically distant regions. Recombinant mer operons and transposons were revealed. The data suggest high frequencies of horizontal transfer and of recombination for mercury resistance determinants. The mechanisms of horizontal gene transfer were elucidated in Gram-negative and Gram-positive bacteria. New transposons were found and analyzed.[PUBLICATION ABSTRACT]
ISSN:0026-8933
1608-3245
DOI:10.1023/A:1015353402657