Journal
JOURNAL OF INFECTIOUS DISEASES
Volume 203, Issue 6, Pages 798-802Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/infdis/jiq126
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- Centers for Disease Control and Prevention
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To substantiate reports of greater emergence of the K65R nucleoside reverse transcriptase inhibitor (NRTI) mutation in human immunodeficiency virus type 1 (HIV-1) subtype C, we examined natural low-level K65R expression in subtype C relative to subtypes B and AE. We used allele-specific polymerase chain reaction to screen HIV-1 amplified by reverse-transcription high-fidelity polymerase chain reaction from subtype C-infected South African women and infants and CRF01(subtype AE) from Thailand; all subjects were NRTI naive. We found low-level K65R of unknown clinical significance in NRTI-naive subtype C-infected women and infants at frequencies above the natural occurrence in subtypes B and AE. The frequent appearance of subtype C frameshift deletions at codon 65 supports a propensity for transcription error in this region.
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