1932

Abstract

Recombination is a major source of genetic variability in retroviruses. Each viral particle contains two single-stranded genomic RNAs. Recombination mostly results from a switch in template between these two RNAs during reverse transcription. Here we emphasize the main mechanisms underlying recombination that are emerging from recent advances in biochemical and cell culture techniques. Increasing evidence supporting the involvement of RNA secondary structures now complements the predominant role classically attributed to enzyme pausing during reverse transcription. Finally, the implications of recombination on the dynamics of emergence of genomic aberrations in retroviruses are discussed.

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/content/journals/10.1146/annurev.genet.35.102401.090551
2001-12-01
2024-06-18
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  • Article Type: Review Article
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