Proc. Natl. Acad. Sci. USA Vol. 75, No. 11, pp. 5718-5722, November 1978

Microbiology

Isolation of host-range variants of mouse mammary tumor viruses that efficiently infect cells in vitro (mammary neoplasia/RNA tumor viruses/type B viruses/viral variants/mouse mammary tumor virus infectivity)

DAVID K. HOWARD AND JEFFREY SCHLOM* Laboratory of Viral Carcinogenesis, National Cancer Institute, National Institutes of Health, Building 37, Room 1B19, Bethesda, Maryland 20014

Communicated by Sol Spiegelman, August 28,1978

ABSTRACT Host-range variants of mouse mammary tumor virus (MMTV) have been isolated that have the ability to productively infect cells in vitro with high efficiency (at multiplicities of infection

Isolation of host-range variants of mouse mammary tumor viruses that efficiently infect cells in vitro.

Proc. Natl. Acad. Sci. USA Vol. 75, No. 11, pp. 5718-5722, November 1978 Microbiology Isolation of host-range variants of mouse mammary tumor viruse...
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