Journal
ANNUAL REVIEW OF MICROBIOLOGY, VOL 68
Volume 68, Issue -, Pages 237-258Publisher
ANNUAL REVIEWS
DOI: 10.1146/annurev-micro-091313-103424
Keywords
DNA replication; concatemer formation; single-strand annealing; exonucleases; single-strand annealing proteins; recombineering
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Funding
- CCR NIH HHS [HHSN261200800001C] Funding Source: Medline
- Intramural NIH HHS Funding Source: Medline
- NCI NIH HHS [HHSN261200800001E] Funding Source: Medline
- NIAID NIH HHS [AI021747, R01 AI021747, R37 AI021747, R01 AI069136, AI069136] Funding Source: Medline
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The purpose of this review is to explore recombination strategies in DNA viruses. Homologous recombination is a universal genetic process that plays multiple roles in the biology of all organisms, including viruses. Recombination and DNA replication are interconnected, with recombination being essential for repairing DNA damage and supporting replication of the viral genome. Recombination also creates genetic diversity, and viral recombination mechanisms have important implications for understanding viral origins as well as the dynamic nature of viral-host interactions. Both bacteriophage lambda and herpes simplex virus (HSV) display high rates of recombination, both utilizing their own proteins and commandeering cellular proteins to promote recombination reactions. We focus primarily on lambda and HSV, as they have proven amenable to both genetic and biochemical analysis and have recently been shown to exhibit some surprising similarities that will guide future studies.
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