Journal
CRITICAL REVIEWS IN MICROBIOLOGY
Volume 41, Issue 1, Pages 101-108Publisher
TAYLOR & FRANCIS LTD
DOI: 10.3109/1040841X.2013.804031
Keywords
Clostridium difficile; Escherichia coli; horizontal gene transfer; pathogenicity; Staphylococcus aureus
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Horizontal gene transfer has a tremendous impact on the genome plasticity, adaptation and evolution of bacteria. Horizontally transferred mobile genetic elements are involved in the dissemination of antibiotic resistance and virulence genes, thus contributing to the emergence of novel superbugs. This review provides update on various mechanisms of horizontal gene transfer and examines how horizontal gene transfer contributes to the evolution of pathogenic bacteria. Special focus is paid to the role horizontal gene transfer plays in pathogenicity of the emerging human pathogens: hypervirulent Clostridium difficile and Escherichia coli (including the most recent haemolytic uraemic syndrome outbreak strain) and methicillin-resistant Staphylococcus aureus (MRSA), which have been associated with largest outbreaks of infection recently.
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