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Objective: To analyze subtypes and quasi-species of isolatedviruses from HIV-1 infected individuals among the populationof Guangdong Province, for understanding the molecularepidemiological dynamics of local HIV-1 isolates, thus laying afoundation for designing a candidate AIDS vaccine. Methods: By hetero-duplex mobility assay (HMA) andsingle strand conformation poly-morphism (SSCP) analysison amplicons from single-primed polymerase chain reaction(SP-PCR), subtypes and quasi-species of tested HIV-1 isolateswere elucidated, and amplicons were sequenced forconfirmation. Results: Specific amplicons from different subtypes andquasi-species of HIV-1 could be discernible by HMA andSSCP analysis. Conclusion: HIV-1 isolates from different patients might beeither a different subtype or an identical subtype, and HIV-1isolates from an individual were present in a population ofquasi-species.
Objective: To analyze subtypes and quasi-species of isolated viruses from HIV-1 infected individuals among the population of Guangdong Province, for understanding the molecularepidemiological dynamics of local HIV-1 isolates, thereby laying afoundation for designing a candidate AIDS vaccine. Methods: By hetero- duplex mobility assay (HMA) and single strand conformation poly-morphism (SSCP) analysis on amplicons from single-primed polymerase chain reaction (SP-PCR), subtypes and quasi-species of tested HIV- 1 isolateswere elucidated, and amplicons were sequenced forconfirmation. : Specific amplicons from different subtypes andquasi-species of HIV-1 could be discernible by HMA and SSCP analysis. Conclusion: HIV-1 isolates from different patients might be beween a different subtype or an identical subtype, and HIV-1 isolates from an individual were present in a population ofquasi-species.