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1994-10-25
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Document 3270
DOCN M94A3270
TI Conserved domains of the HIV-1 vif gene in vivo.
DT 9412
AU Wieland U; Seelhoff A; Salzberger B; Schwander S; Dietrich M; Eggers HJ;
Kuehn JE; Institut f. Virologie, Universitaet Koeln, Germany.
SO Int Conf AIDS. 1994 Aug 7-12;10(1):114 (abstract no. PA0075). Unique
Identifier : AIDSLINE ICA10/94369305
AB OBJECTIVE: Determination of the genetic variability of the HIV-1 vif
gene and identification of conserved and possibly functionally important
regions of the complete vif gene of European and African HIV-1-infected
patients. METHODS: PCR products of peripheral blood mononuclear cells
extracts of 85 HIV-1 positive patients from Germany and Uganda were
analysed by direct solid phase sequencing and temperature gradient
gelelectrophoresis. RESULTS AND DISCUSSION: Vif consensus sequences were
obtained for the European (proviral DNA: 58% conserved; deduced amino
acid sequence 45% conserved) and African samples showing conserved,
variable and hypervariable regions of the vif gene in vivo. The vif gene
was found to be less conserved than previously thougt, with its 5' part
being less variable than its 3' part. In sequential samples from
individual patients the HIV-1 gene changed with the course of disease.
However, in all patients a complete vif gene was found, indicating its
significance in vivo. It remains to be determined which of the conserved
motifs are essential for the function of the variable vif gene product.
DE Amino Acid Sequence Base Sequence *Conserved Sequence DNA,
Viral/GENETICS *Genes, vif Germany Human HIV
Infections/*MICROBIOLOGY HIV-1/*GENETICS/ISOLATION & PURIF
Proviruses/GENETICS Uganda Variation (Genetics) MEETING ABSTRACT
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).