1887

Abstract

A method for encoding insertions and deletions (indels) has been developed and adapted to the SplitsTree program. Following phylogenetic reconstruction, the relative frequencies of indels were estimated for a large number of sequence sets corresponding to the V1 hypervariable region of the simian immunodeficiency virus SIVmac251. The method allowed recovery of many point mutations hitherto lost due to gap stripping. Deletions were as frequent as transversions and were 4- to 8-fold more frequent than insertions, invariably duplications. The high proportion of deletions among mutation events suggests that lentivirus vectors may readily delete parts of their cargo.

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2001-07-01
2020-06-05
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