简介：Objective:Toanalyzesubtypesandquasi-speciesofisolatedvirusesfromHIV-1infectedindividualsamongthepopulationepidemiologicaldynamicsoflocalHIV-1isolates,thuslayingafoundationfordesigningacandidateAIDSvaccine.Methods:Byhetero-duplexmobilityassay(HMA)andsinglestrandconformationpoly-morphism(SSCP)analysisonampliconsfromsingle-primedpolymerasechainreaction(SP-PCR),subtypesandquasi-speciesoftestedHIV-1isolateswereelucidated,andampliconsweresequencedforconfirmation.Results:Specificampliconsfromdifferentsubtypesandquasi-speciesofHIV-1couldbediscerniblebyHMAandSSCPanalysis.HIV-1isolatesfromdifferentpatientsmightbeeitheradifferentsrbtypeoranidenticalsubtype,andHIV-1isolatesfromanindividualwerepresentinapopulationofquasi-species.