The capsid protein VP1 assembled into an icosahedral capsid structure comprising 72 pentamers, colored by distance from the interior center. From PDB: 1SIE.[1]
Murine polyomavirus (also known as mouse polyomavirus, Polyomavirus muris, or Mus musculus polyomavirus 1, and in older literature as SE polyoma or parotid tumor virus; abbreviated MPyV) is an unenveloped double-strandedDNA virus of the polyomavirus family. The first member of the family discovered, it was originally identified by accident in the 1950s.[2][3] A component of mouse leukemia extract capable of causing tumors, particularly in the parotid gland, in newborn mice was reported by Ludwik Gross in 1953[4] and identified as a virus by Sarah Stewart and Bernice Eddy at the National Cancer Institute, after whom it was once called "SE polyoma".[5][6][7] Stewart and Eddy would go on to study related polyomaviruses such as SV40 that infect primates, including humans. These discoveries were widely reported at the time and formed the early stages of understanding of oncoviruses.[8][9]
^Gross, L (November 1976). "The fortuitous isolation and identification of the polyoma virus". Cancer Research. 36 (11 Pt 1): 4195–6. PMID184928.
^Ramqvist, T; Dalianis, T (August 2009). "Murine polyomavirus tumour specific transplantation antigens and viral persistence in relation to the immune response, and tumour development". Seminars in Cancer Biology. 19 (4): 236–43. doi:10.1016/j.semcancer.2009.02.001. PMID19505651.
^Gross, L. (1953). "A Filterable Agent, Recovered from Ak Leukemic Extracts, Causing Salivary Gland Carcinomas in C3H Mice". Experimental Biology and Medicine. 83 (2): 414–21. doi:10.3181/00379727-83-20376. PMID13064287. S2CID34223353.
^STEWART, SE; EDDY, BE; BORGESE, N (June 1958). "Neoplasms in mice inoculated with a tumor agent carried in tissue culture". Journal of the National Cancer Institute. 20 (6): 1223–43. doi:10.1093/jnci/20.6.1223. PMID13549981.
^Percy, Dean H.; Barthold, Stephen W. (2013). "Polyoma Virus Infection". Pathology of Laboratory Rodents and Rabbits (3rd ed.). John Wiley & Sons. ISBN978-1118704639.
^Harris, R.J.C. (7 July 1960). "Cancer-inducing Viruses". New Scientist. 8 (190): 21–3.
^Morgan, Gregory J. (December 2014). "Ludwik Gross, Sarah Stewart, and the 1950s discoveries of Gross murine leukemia virus and polyoma virus". Studies in History and Philosophy of Science Part C: Studies in History and Philosophy of Biological and Biomedical Sciences. 48: 200–209. doi:10.1016/j.shpsc.2014.07.013. PMID25223721.