TRIM5{alpha} genotype of Rhesus macaques affects acquisition of SIVsmE660 infection after repeated limiting-dose intrarectal challenge

Abstract

It has recently been shown that polymorphism at the rhesus macaque TRIM5 locus can affect simian immunodeficiency virus (SIV) replication. Here we show that TRIM5 alleles can also affect acquisition of SIVsmE660. Animals co-expressing the TRIM5TFP and TRIM5CypA alleles took significantly longer to become infected with SIVsmE660, but not SIVmac239, after repeated limiting-dose intrarectal challenge compared to animals expressing other TRIM5 allele combinations. Our results indicate that the TRIM5 alleles can be a barrier to productive infection and that this should be taken into account when designing acquisition studies using SIVsmE660 or related viruses.

Citation

Journal of Virology (2011) [doi:10.1128/JVI.05074-11] JVI Accepts, published online ahead of print on 6 July 2011

TRIM5{alpha} genotype of Rhesus macaques affects acquisition of SIVsmE660 infection after repeated limiting-dose intrarectal challenge

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