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M94A0627.TXT
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1994-10-21
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Document 0627
DOCN M94A0627
TI Reverse transcription factories in cell-to-cell HIV infection.
DT 9412
AU Karageorgos LE; Li P; Burrell CJ; National Centre for HIV Virology
Research, Institute of Medical; and Veterinary Science, Adelaide, South
Australia.
SO Annu Conf Australas Soc HIV Med. 1993 Oct 28-30;5:70 (abstract no. FB6).
Unique Identifier : AIDSLINE ASHM5/94349028
AB Reverse transcription, the conversion of the single-stranded RNA genome
into double-stranded DNA molecule, is a major event in the life cycle of
retroviruses. We have shown that full-length unintegrated viral DNA in
the cytoplasm of HIV infected cells is found in association with the
viral proteins reverse transcriptase, integrase, matrix protein p17,
protease and cellular histones, in a 320S replication complex. Using a
one-step cell-to-cell transmission infection model, the stages of
reverse transcription in HIV infection were investigated. The minus
strong-stop and the first template transfer were detected as early as
1.5 hours after infection, with completion of the full-length
double-stranded DNA molecule by 3.5 hours, as detected by PCR. Evidence
suggests that reverse transcription can proceed from initiation to
completion within the 320s nucleoprotein complex.
DE DNA Nucleotidyltransferases/GENETICS Gene Expression Regulation,
Viral/PHYSIOLOGY Gene Products, gag/GENETICS Human HIV
Antigens/GENETICS HIV Infections/*MICROBIOLOGY HIV-1/*GENETICS
Polymerase Chain Reaction Reverse Transcriptase/*GENETICS
Transcription, Genetic/*GENETICS Virus Integration/*GENETICS Virus
Replication/GENETICS MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).