Results 151 to 160 of about 14,987 (195)
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Vectors derived from avian leukosis and sarcoma viruses
Journal of Molecular Medicine, 1995International ...
Flamant, Frederic +2 more
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Chemical crosslinking of proteins in avian sarcoma and leukemia viruses
Virology, 1980Abstract We have investigated the nearest neighbor relationships of proteins in avian sarcoma and leukemia viruses by means of bifunctional crosslinking agents. In intact virions dimethyl suberimidate and dithiobispropionimidate induce the formation of covalently linked multimeric species of all four internal structural proteins ( gag proteins).
R B, Pepinsky +3 more
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Avian sarcoma viruses, protein kinases and cell transformation
Philosophical Transactions of the Royal Society of London. B, Biological Sciences, 1983Abstract The first RNA tumour virus to be isolated and identified as such was the Rous sarcoma virus (RSV), which causes the transformation of cells in culture as well as fibrosarcomas when injected into suitable host animals (for reviews see Hanafusa (1977) and Bishop (1978)).
R L, Erikson +3 more
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Polyethylene glycol-mediated infection with avian sarcoma viruses
Archives of Virology, 1978In this communication we report that fusion of viral and cellular membranes by polyethylene glycol is a convenient approach to overcoming genetically determined resistance to infection. Using this method, avian sarcoma virus-transformed mammalian cells have been produced which serve as useful model systems for the study of Rous sarcoma virus-specific ...
W, Rohde +3 more
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PRCII, a Representative of a New Class of Avian Sarcoma Viruses
1981The Poultry Research Center Virus II (PRC II) is a replication-defective avian sarcoma virus with envelope determinants of the A and B subgroups. In nonproducing cells transformed by PRCII the products of the replicative genes gag, pol, and env are not demonstrable, but a single polyprotein of Mr 105,000 (p105) can be detected.
P K, Vogt +3 more
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Defective Avian Sarcoma Viruses
1983This review was intended initially as a reference source for those interested in the origins and first descriptions of the defective avian sarcoma viruses. Quite a few of these viruses have been characterized in the past few years and their varied nomenclature according to source, discoverer, date of isolation or biological properties could result in ...
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The NP Activation Test for Assay of Avian Leukosis/Sarcoma Viruses
Avian Diseases, 1970SUMMARY Procedures are described for routine isolation and production of nonproducing Rous sarcoma cells (NP cells) and for use of these cells in the NP activation test for assay of avian leukosis/sarcoma viruses. The NP activation test was found to be sensitive, reproducible, easy to perform, and highly reliable.
B H, Rispens +3 more
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Phenotypic mixing between reticuloendotheliosis virus and avian sarcoma viruses
Virology, 1977Abstract Coinfection of chicken embryo fibroblasts with reticuloendotheliosis virus (REV) and avian sarcoma virus leads to the formation of avian sarcoma viral pseudotypes which carry envelope determinants of REV. These pseudotypes can be neutralized by REV antiserum, have a host range which is different from that of any known avian sarcoma virus ...
P K, Vogt +4 more
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The origin of 7 S RNA in virions of avian sarcoma viruses
Virology, 1976Abstract Duck and chick embryo fibroblasts were labeled with 32 PO 4 3− and cellular 7S RNA was purified. Ribonuclease T 1 digests were prepared and the resulting oligonucleotides were fractionated by two-dimensional electrophoresis. Duck 7 S RNA lacked one large oligonucleotide present in chicken 7 S RNA, thus establishing that the two species ...
E, Erikson, R L, Erikson
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Ultraviolet inactivation of avian sarcoma viruses: Biological and biochemical analysis
Virology, 1976Abstract The rate of inactivation by ultraviolet light of the focus-forming capacity of avian sarcoma virus was almost the same as that of the virus-producing capacity, measured as plaque formation. In addition, no significant difference was observed in inactivation of the transforming capacity assayed on C/BE chick embryo fibroblasts (CEF), which ...
M, Owada +4 more
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