Abstract
The HIV-1 epidemic among injecting drug users (IDUs) in countries of the former Soviet Union (FSU) was caused mainly by two HIV-1 variants: subtype A and CRF03-AB. To date only three full-length HIV-1 genomes from the FSU have been sequenced: one subtype A from Byelorussia and two CRF03-AB from Russia. We report the full-length genome cloning and analysis of two more HIV-1 strains from the FSU countries (98UA0116 of subtype A and 98BY10443 of CRF03-AB). Isolate 98UA0116 is the second cloned and sequenced full-length HIV-1 genome of subtype A lineage from the FSU, which may be a novel subsubtype within subtype A. Isolate 98BY10443 is the third full-length HIV-1 genome of CRF03-AB in the world to be cloned and sequenced. Additionally, it is the first CRF03-AB strain discovered in Byelorussia. Cloned genomic sequences of the FSU HIV-1 isolates are being used for the development of a region-specific HIV-1 vaccine.
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