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1994-08-27
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Document 0787
DOCN M9480787
TI A p12 gag gene homologue is present in the mouse genome.
DT 9410
AU Casabianca A; Magnani M; Institute of Biological Chemistry G. Fornaini,
University of; Urbino, Italy.
SO Biochem Mol Biol Int. 1994 Mar;32(4):691-6. Unique Identifier : AIDSLINE
GENBANK/M26005
AB A replication-defective virus (BM5d) of approximately 4.9 kb, is
responsible for a retrovirus induced immunodeficiency syndrome in mice
(MAIDS) that shares many features with AIDS. BM5d is characterized by
deletions in env and pol genes, furthermore its gag gene differs
markedly from gag of other BM5 ecotropic viruses, particularly in its
p12 sequence. The p12 region of the gag gene has been shown to account
for the pathogenicity of the BM5d retrovirus. During our studies of BM5d
integration in mice we found that p12-like sequences are present in the
mouse genome of uninfected healthy C57BL/6 mice. Cloning and sequencing
of this p12 gag homologue has revealed a high (63% to 89%) amino acid
derived sequence identity with other retroviruses and shown that the
major differences among p12 of pathogenic viral strains compared to
non-pathogenic ones consist of a four amino acids deletion and a high
abundance of proline and basic amino acids in their p12 region.
DE Amino Acid Sequence Animal Base Sequence Blotting, Southern
Comparative Study Defective Viruses/GENETICS DNA/GENETICS/ISOLATION &
PURIF DNA Primers Gene Products, gag/CHEMISTRY/*GENETICS *Genes, gag
Genome Mice Mice, Inbred C57BL/*GENETICS Molecular Sequence Data
Molecular Weight Murine Acquired Immunodeficiency Syndrome/MICROBIOLOGY
Polymerase Chain Reaction/METHODS Restriction Mapping
Retroviridae/*GENETICS Sequence Homology, Amino Acid Support, Non-U.S.
Gov't JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).