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M9480204.TXT
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1994-08-09
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Document 0204
DOCN M9480204
TI SIVmac expressing hybrid envelope proteins containing HIV-1 V3 and/or C4
sequences is not competent for replication.
DT 9410
AU Kirchhoff F; Morrison HG; Murray MG; Rennert P; Desrosiers RC; New
England Regional Primate Research Center, Harvard Medical; School,
Southborough, Massachusetts 01772-9102.
SO AIDS Res Hum Retroviruses. 1994 Mar;10(3):309-13. Unique Identifier :
AIDSLINE MED/94289070
AB The V3- and C4-coding regions in the envelope gene of the infectious,
pathogenic SIVmac239 clone were replaced by the corresponding HIV-1
sequences. Viral particles were obtained after transfection of COS-1
cells. Chimeric SIVmac constructs were not replication competent in the
human T cell lines CEMx174, AA2, H9, and MT-4 or in primary cultures of
rhesus monkey peripheral blood mononuclear cells. The lack of
infectivity of the hybrid constructs was associated with inefficient
proteolytic processing of the gp160env precursor. Unlike the modular
nature of some proteins, gp120 appears to be a highly ordered molecule
whose function is dependent on the integration of many discontinuous,
interactive regions.
DE Amino Acid Sequence Animal Base Sequence Cell Line DNA, Viral Human
HIV Envelope Protein gp120/*GENETICS HIV-1/GENETICS/*PHYSIOLOGY
Molecular Sequence Data Peptide Fragments/GENETICS
Radioimmunoprecipitation Assay Recombinant Fusion Proteins/GENETICS
Support, Non-U.S. Gov't Support, U.S. Gov't, P.H.S.
SIV/GENETICS/IMMUNOLOGY/*PHYSIOLOGY Transfection Viral Envelope
Proteins/*BIOSYNTHESIS/GENETICS/IMMUNOLOGY Virus
Replication/GENETICS/*PHYSIOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).