Wild mouse RNA tumor viruses. A nongenetically transmitted virus group closely related to exogenous leukemia viruses of laboratory mouse strains. 1979

M Barbacid, and K C Robbins, and S A Aaronson

Type-C RNA viruses isolated from wild mice are causative of naturally occurring neoplasia and neurologic diseases. Biochemical and immunologic characterization of this virus group revealed that amphotropic viruses isolated from wild mice trapped in separate geographical areas are indistinguishable, whereas amphotropic and ecotropic viruses naturally infecting the same animal are env gene variants. Molecular hybridization studies established that neither host range variant is endogenous to the Mus musculus genome, although each demonstrates partial nucleotide sequence homology. Wild mouse type-C viruses exhibited much closer molecular and antigenic relatedness to the exogenous virus subgroup (Friend-, Moloney-, and Rauscher-MuLV) than to prototype endogenous viruses isolated from laboratory mouse strains. The evidence indicates that exogenous mouse type-C viruses have been maintained in nature over a long period of evolution as a separate virus group, causative of tumors in mice by a mechanism solely involving their transmission as infectious agents.

UI MeSH Term Description Entries
D009052 Leukemia Virus, Murine Species of GAMMARETROVIRUS, containing many well-defined strains, producing leukemia in mice. Disease is commonly induced by injecting filtrates of propagable tumors into newborn mice. Graffi Virus,Graffi's Chloroleukemic Strain,Leukemia Viruses, Murine,Mouse Leukemia Viruses,Murine Leukemia Virus,Murine Leukemia Viruses,Graffi Chloroleukemic Strain,Graffis Chloroleukemic Strain,Leukemia Viruses, Mouse
D009693 Nucleic Acid Hybridization Widely used technique which exploits the ability of complementary sequences in single-stranded DNAs or RNAs to pair with each other to form a double helix. Hybridization can take place between two complimentary DNA sequences, between a single-stranded DNA and a complementary RNA, or between two RNA sequences. The technique is used to detect and isolate specific sequences, measure homology, or define other characteristics of one or both strands. (Kendrew, Encyclopedia of Molecular Biology, 1994, p503) Genomic Hybridization,Acid Hybridization, Nucleic,Acid Hybridizations, Nucleic,Genomic Hybridizations,Hybridization, Genomic,Hybridization, Nucleic Acid,Hybridizations, Genomic,Hybridizations, Nucleic Acid,Nucleic Acid Hybridizations
D005075 Biological Evolution The process of cumulative change over successive generations through which organisms acquire their distinguishing morphological and physiological characteristics. Evolution, Biological
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000828 Animal Population Groups Animals grouped according to ecological, morphological or genetic populations. Animal Population Group,Population Group, Animal,Population Groups, Animal
D000835 Animals, Wild Animals considered to be wild or feral or not adapted for domestic use. It does not include wild animals in zoos for which ANIMALS, ZOO is available. Animals, Nondomestic,Animals, Nondomesticated,Animals, Feral,Stray Animals,Animal, Feral,Animal, Nondomestic,Animal, Nondomesticated,Animal, Stray,Animal, Wild,Animals, Stray,Feral Animal,Feral Animals,Nondomestic Animal,Nondomestic Animals,Nondomesticated Animal,Nondomesticated Animals,Stray Animal,Wild Animal,Wild Animals
D000956 Antigens, Viral Substances elaborated by viruses that have antigenic activity. Viral Antigen,Viral Antigens,Antigen, Viral
D012190 Retroviridae Family of RNA viruses that infects birds and mammals and encodes the enzyme reverse transcriptase. The family contains seven genera: DELTARETROVIRUS; LENTIVIRUS; RETROVIRUSES TYPE B, MAMMALIAN; ALPHARETROVIRUS; GAMMARETROVIRUS; RETROVIRUSES TYPE D; and SPUMAVIRUS. A key feature of retrovirus biology is the synthesis of a DNA copy of the genome which is integrated into cellular DNA. After integration it is sometimes not expressed but maintained in a latent state (PROVIRUSES). Leukemogenic Viruses,Leukoviruses,Oncornaviruses,Oncovirinae,Oncoviruses,Oncoviruses, Type C,RNA Tumor Viruses,Retroviruses,Type C Oncoviruses,C Oncovirus, Type,C Oncoviruses, Type,Leukemogenic Virus,Leukovirus,Oncornavirus,Oncovirus,Oncovirus, Type C,RNA Tumor Virus,Retrovirus,Tumor Virus, RNA,Tumor Viruses, RNA,Type C Oncovirus,Virus, Leukemogenic,Virus, RNA Tumor,Viruses, Leukemogenic,Viruses, RNA Tumor
D012367 RNA, Viral Ribonucleic acid that makes up the genetic material of viruses. Viral RNA
D014764 Viral Proteins Proteins found in any species of virus. Gene Products, Viral,Viral Gene Products,Viral Gene Proteins,Viral Protein,Protein, Viral,Proteins, Viral

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