Rmcf^r
Spontaneous Allele Detail

Summary

• Symbol: Rmcf^r
• Name: resistance to MCF virus; MCF resistant
• MGI ID: MGI:3798960
• Gene: Rmcf Location: unknown Genetic Position: Chr5, Syntenic
• Alliance: Rmcf^r page

Mutation origin

• Strain of Origin: multiple strains

Mutation description

• Allele Type: Spontaneous
• Mutation: Undefined
• Mutation details: This locus controls resistance of cells to infection by mink cell focus-forming murine leukemia viruses. The dominant r (resistance) allele is found in strains DBA/1, DBA/2 and CBA/Ca.

Find Mice (IMSR)

• Mouse strains and cell lines available from the International Mouse Strain Resource (IMSR)
• Carrying this Mutation: Mouse Strains: 8 strains available Cell Lines: 0 lines available
• Carrying any Rmcf Mutation: 23 strains or lines available

Notes

This locus controls resistance and susceptibility of cells in tissue culture to infection by mink cell focus-forming murine leukemia viruses. The allele Rmcf^r determines resistance and occurs in strains DBA/1, DBA/2, and CBA/Ca; the allele Rmcf^s determines susceptibility and occurs in strains AKR/J, C57BL/6, BALB/c, CBA/J, NFS, NZB, 129/J, and many others. Heterozygotes are as resistant as the resistant parent or nearly so. Rmcf is different from and independent of Fv1, a locus that controls susceptibility to infection by ecotropic viruses. Rmcf is located on Chr 5 close to Hm near the centromeric end (J:7108). Rmcf^r protects (AKR x CBA/Ca)F1 and (AKR x DBA/2)F1 hybrids from development of spontaneous thymic lymphomas and reduces the incidence of MCF-induced thymic lymphomas (J:7175). It also reduces susceptibility of cells of Sxv^s/Sxv^r mice to exogenous xenotropic viruses (J:7951). In addition, in strains susceptible to Friend virus-induced erythroleukemia, a condition thought to be due to the replication of MCF virus, Rmcf^r increases resistance to the virus-induced erythroleukemia. It may cause resistance by coding for or regulating the production of an MCF-related envelope glycoprotein that blocks the receptor for MCF viruses (J:8074). This conclusion is reinforced by the findings of Buller et al. (J:8497), who showed that the Rmcf^r allele contains an endogenous MCF gp70 env gene and that the Rmcf^s allele, at least in some strains (C57BL/6, CBA/J, and A/WySn), contains a xenotropic gp70 env gene. Presumably the MCF gp70 inhibits exogenous MCF infection in vitro by a mechanism of viral interference.

References

• Original: J:7108 Hartley JW, et al., A mouse gene on chromosome 5 that restricts infectivity of mink cell focus-forming recombinant murine leukemia viruses. J Exp Med. 1983 Jul 1;158(1):16-24
• All: 9 reference(s)