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J Virol. 1989 Sep;63(9):3810-21.

Genetic identification of endogenous polytropic proviruses by using recombinant inbred mice.

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1
Department of Molecular Biology, Tufts University School of Medicine, Boston, Massachusetts 02111.

Abstract

Forty-seven endogenous polytropic murine viruses (Pmv) were identified by examination of proviral-cellular DNA junction fragment segregation in recombinant inbred (RI) mice. Most Pmv loci were found in more than one of the seven RI progenitor strains analyzed, but only four were present in all strains. Chromosomal assignments for 41 Pmv loci were determined by comparing their RI strain distribution patterns with those of known genetic markers. Pmv loci were found dispersed throughout the genome, with chromosomes 1, 3, 4, 5, 7, 11, 12, 15, and 16 each carrying three or more proviruses. Linkage analysis in the AKXD RI set suggested that the gene encoding mink cell focus-forming virus resistance (Rcmfr) of DBA/2J mice is probably not a Pmv provirus. It was also deduced that no single, AKR/J-specific Pmv provirus is required as an env gene donor for thymomagenic mink cell focus-forming viruses. In addition, a Pmv provirus was very closely associated with the albino mutation on chromosome 7.

PMID:
2547997
PMCID:
PMC250974
[Indexed for MEDLINE]
Free PMC Article
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