Published in Proc Natl Acad Sci U S A on March 01, 1981
Role for the 3' end of the genome in determining disease specificity of Friend and Moloney murine leukemia viruses. Proc Natl Acad Sci U S A (1983) 4.68
A 3' end fragment encompassing the transcriptional enhancers of nondefective Friend virus confers erythroleukemogenicity on Moloney leukemia virus. J Virol (1984) 3.16
Envelope gene sequences which encode the gp52 protein of spleen focus-forming virus are required for the induction of erythroid cell proliferation. J Virol (1982) 2.39
Friend spleen focus-forming virus glycoprotein gp55 interacts with the erythropoietin receptor in the endoplasmic reticulum and affects receptor metabolism. Proc Natl Acad Sci U S A (1990) 2.23
Retrovirus transduction: segregation of the viral transforming function and the herpes simplex virus tk gene in infectious Friend spleen focus-forming virus thymidine kinase vectors. Mol Cell Biol (1983) 1.94
Envelope gene of the Friend spleen focus-forming virus: deletion and insertions in 3' gp70/p15E-encoding region have resulted in unique features in the primary structure of its protein product. Proc Natl Acad Sci U S A (1983) 1.87
Characterization of the env gene and long terminal repeat of molecularly cloned Friend mink cell focus-inducing virus DNA. J Virol (1984) 1.71
The membrane glycoprotein of Friend spleen focus-forming virus: evidence that the cell surface component is required for pathogenesis and that it binds to a receptor. J Virol (1987) 1.67
Spi-1/PU.1 transgenic mice develop multistep erythroleukemias. Mol Cell Biol (1996) 1.63
Suppression of acute anti-friend virus CD8+ T-cell responses by coinfection with lactate dehydrogenase-elevating virus. J Virol (2007) 1.50
Loss of leukemogenicity caused by mutations in the membrane glycoprotein structural gene of Friend spleen focus-forming virus. Proc Natl Acad Sci U S A (1983) 1.47
Mechanism of leukemogenesis induced by mink cell focus-forming murine leukemia viruses. J Virol (1991) 1.44
Molecular cloning of biologically active Rauscher spleen focus-forming virus and the sequences of its env gene and long terminal repeat. J Virol (1984) 1.38
Sequence comparisons of the anemia- and polycythemia-inducing strains of Friend spleen focus-forming virus. J Virol (1985) 1.28
Molecular cloning of a highly leukemogenic, ecotropic retrovirus from an AKR mouse. J Virol (1982) 1.27
Genetic determinants of neoplastic diseases induced by a subgroup F avian leukosis virus. J Virol (1987) 1.26
A tagged helper-free Friend virus causes clonal erythroblast immortality by specific proviral integration in the cellular genome. J Virol (1988) 1.11
Antigenic subclasses of polytropic murine leukemia virus (MLV) isolates reflect three distinct groups of endogenous polytropic MLV-related sequences in NFS/N mice. J Virol (2003) 1.08
Reduced leukemogenicity caused by mutations in the membrane glycoprotein gene of Rauscher spleen focus-forming virus. J Virol (1984) 1.07
Genome structure of mink cell focus-forming murine leukemia virus in epithelial mink lung cells transformed vitro by iododeoxyuridine-induced C3H/MuLV cells. J Virol (1983) 1.04
Biological and biochemical differences between variants of spleen focus-forming virus can be localized to a region containing the 3' end of the envelope gene. J Virol (1985) 1.01
Molecular cloning of biologically active proviral DNA of the anemia-inducing strain of spleen focus-forming virus. J Virol (1982) 1.00
The spleen focus-forming virus (SFFV) envelope gene, when introduced into mice in the absence of other SFFV genes, induces acute erythroleukemia. J Virol (1988) 0.98
Role of a membrane glycoprotein in Friend virus erythroleukemia: nucleotide sequences of nonleukemogenic mutant and spontaneous revertant viruses. J Virol (1986) 0.97
Induction of the early stages of Friend erythroleukemia with helper-free Friend spleen focus-forming virus. Proc Natl Acad Sci U S A (1985) 0.97
Mutations in the env gene of friend spleen focus-forming virus overcome Fv-2r-mediated resistance to Friend virus-induced erythroleukemia. J Virol (1992) 0.95
Expression of xenotropic-like env RNA sequences in normal DBA/2 and NZB mouse tissues. J Virol (1984) 0.95
Genetic structure of Rauscher spleen focus-forming virus. J Virol (1983) 0.92
Cell surface activation of the erythropoietin receptor by Friend spleen focus-forming virus gp55. J Virol (1995) 0.86
The hydrophobic membrane-spanning sequences of the gp52 glycoprotein are required for the pathogenicity of Friend spleen focus-forming virus. J Virol (1991) 0.86
Origins of the endogenous and infectious laboratory mouse gammaretroviruses. Viruses (2014) 0.85
Detection of specific sequences among DNA fragments separated by gel electrophoresis. J Mol Biol (1975) 503.08
Nonchromosomal antibiotic resistance in bacteria: genetic transformation of Escherichia coli by R-factor DNA. Proc Natl Acad Sci U S A (1972) 57.06
Nature of Col E 1 plasmid replication in Escherichia coli in the presence of the chloramphenicol. J Bacteriol (1972) 46.61
A new class of murine leukemia virus associated with development of spontaneous lymphomas. Proc Natl Acad Sci U S A (1977) 13.96
Naturally occurring murine leukemia viruses in wild mice: characterization of a new "amphotropic" class. J Virol (1976) 9.33
Characterization and mapping of RNase T1-resistant oligonucleotides derived from the genomes of Akv and MCF murine leukemia viruses. Proc Natl Acad Sci U S A (1978) 5.25
Transfection of molecularly cloned Friend murine leukemia virus DNA yields a highly leukemogenic helper-independent type C virus. J Virol (1980) 4.91
Analysis of integrated avian RNA tumor virus DNA in transformed chicken, duck and quail fibroblasts. J Virol (1979) 4.34
Friend strain of spleen focus-forming virus: a recombinant between mouse type C ecotropic viral sequences and sequences related to xenotropic virus. J Virol (1977) 3.70
Friend strain of spleen focus-forming virus is a recombinant between ecotropic murine type C virus and the env gene region of xenotropic type C virus. Proc Natl Acad Sci U S A (1977) 3.62
p21 of Kirsten murine sarcoma virus is thermolabile in a viral mutant temperature sensitive for the maintenance of transformation. J Virol (1979) 2.94
Defectiveness of avian erythroblastosis virus: synthesis of a 75K gag-related protein. Virology (1979) 2.87
Editorial: Spleen focus-forming virus in Friend and Rauscher leukemia virus preparations. J Natl Cancer Inst (1975) 2.83
Rapid leukemia induced by cloned friend strain of replicating murine type-C virus. Association with induction of xenotropic-related RNA sequences contained in spleen focus-forming virus. Virology (1978) 2.56
Functional organization of the Harvey murine sarcoma virus genome. J Virol (1980) 2.46
B-tropic Friend virus: a host-range pseudotype of spleen focus-forming virus (SFFV). Virology (1973) 2.34
Transforming genes of retroviruses. Cold Spring Harb Symp Quant Biol (1980) 2.18
Genetic structure of avian acute leukemia viruses. Cold Spring Harb Symp Quant Biol (1980) 2.04
Glycoprotein encoded by the Friend spleen focus-forming virus. J Virol (1979) 1.89
Myeloproliferative virus, a cloned murine sarcoma virus with spleen focus-forming properties in adult mice. J Virol (1980) 1.85
Structure and specific sequences of avian erythroblastosis virus RNA: evidence for multiple classes of transforming genes among avian tumor viruses. Proc Natl Acad Sci U S A (1979) 1.80
Antigenic properties of murine sarcoma virus-transformed BALB-3T3 nonproducer cells. J Exp Med (1972) 1.75
Induction of erythroid leukaemia by Harvey and Kirsten sarcoma viruses. Nature (1975) 1.68
Role of the C region in relative growth rates of endogenous and exogenous avian oncoviruses. Cold Spring Harb Symp Quant Biol (1980) 1.67
Mapping host range-specific oligonucleotides within genomes of the ecotropic and mink cell focus-inducing strains of Moloney murine leukemia virus. J Virol (1978) 1.62
Three laboratory strains of spleen focus-forming virus: comparison of their genomes and translational products. J Virol (1980) 1.60
Spleen focus-forming Friend virus: identification of genomic RNA and its relationship to helper virus RNA. J Virol (1979) 1.45
RNAs of defective and nondefective components of Friend anemia and polycythemia virus strains identified and compared. Cold Spring Harb Symp Quant Biol (1980) 1.41
Oncogenic transformation of murine lymphoid cells by in vitro infection with Abelson leukemia virus. J Natl Cancer Inst (1975) 1.24
Immunobiological studies of tumors induced by murine sarcoma virus (Kirsten). Cancer Res (1972) 0.84
Mechanism of activation of a human oncogene. Nature (1982) 12.09
Active human immunodeficiency virus protease is required for viral infectivity. Proc Natl Acad Sci U S A (1988) 10.77
Monoclonal antibodies to the p21 products of the transforming gene of Harvey murine sarcoma virus and of the cellular ras gene family. J Virol (1982) 8.88
The p21 src genes of Harvey and Kirsten sarcoma viruses originate from divergent members of a family of normal vertebrate genes. Nature (1981) 8.44
Physical properties of Rous Sarcoma Virus RNA. Proc Natl Acad Sci U S A (1968) 8.26
Helper-independent transformation by unintegrated Harvey sarcoma virus DNA. J Virol (1978) 7.75
Whole-genome association study of bipolar disorder. Mol Psychiatry (2008) 6.80
Induction of murine C-type viruses from clonal lines of virus-free BALB-3T3 cells. Science (1971) 6.71
Intrinsic GTPase activity distinguishes normal and oncogenic ras p21 molecules. Proc Natl Acad Sci U S A (1984) 6.45
Gel electrophoresis of avian leukosis and sarcoma viral RNA in formamide: comparison with other viral and cellular RNA species. J Virol (1973) 5.70
Cloning of bovine GAP and its interaction with oncogenic ras p21. Nature (1988) 5.56
Analysis of two divergent rat genomic clones homologous to the transforming gene of Harvey murine sarcoma virus. Proc Natl Acad Sci U S A (1981) 5.51
ras-Related gene sequences identified and isolated from Saccharomyces cerevisiae. Nature (1984) 5.32
Studies on the nucleic acid sequences of Kirsten sarcoma virus: a model for formation of a mammalian RNA-containing sarcoma virus. J Virol (1973) 5.28
Cellular origin and role of mink cell focus-forming viruses in murine thymic lymphomas. Nature (1982) 5.23
Tumorigenic transformation of mammalian cells induced by a normal human gene homologous to the oncogene of Harvey murine sarcoma virus. Nature (1982) 5.08
RNA in mammalian sarcoma virus transformed nonproducer cells homologous to murine leukemia virus RNA. Virology (1973) 5.04
Tripartite structure of the avian erythroblastosis virus E26 transforming gene. Nature (1984) 4.99
Differences between the ribonucleic acids of transforming and nontransforming avian tumor viruses. Proc Natl Acad Sci U S A (1970) 4.91
Transfection of molecularly cloned Friend murine leukemia virus DNA yields a highly leukemogenic helper-independent type C virus. J Virol (1980) 4.91
Isolation of the nucleic acid of Newcastle disease virus (NDV). Proc Natl Acad Sci U S A (1965) 4.83
RNA species obtained from clonal lines of avian sarcoma and from avian leukosis virus. Virology (1973) 4.73
The transforming proteins of Rous sarcoma virus, Harvey sarcoma virus and Abelson virus contain tightly bound lipid. Cell (1982) 4.66
Dual evolutionary origin for the rat genetic sequences of Harvey murine sarcoma virus. J Virol (1980) 4.63
Construction and isolation of a transmissible retrovirus containing the src gene of Harvey murine sarcoma virus and the thymidine kinase gene of herpes simplex virus type 1. J Virol (1981) 4.54
Adenylic acid-rich sequence in RNAs of Rous sarcoma virus and Rauscher mouse leukaemia virus. Nature (1972) 4.49
Guanine nucleotide-binding and autophosphorylating activities associated with the p21src protein of Harvey murine sarcoma virus. Nature (1980) 4.43
Localization of the src gene product of the Harvey strain of MSV to plasma membrane of transformed cells by electron microscopic immunocytochemistry. Cell (1980) 4.35
Guanine nucleotide-binding activity as an assay for src protein of rat-derived murine sarcoma viruses. Proc Natl Acad Sci U S A (1979) 4.34
Genomes of murine leukemia viruses isolated from wild mice. J Virol (1981) 4.24
Requirement of either of a pair of ras-related genes of Saccharomyces cerevisiae for spore viability. Nature (1984) 4.23
Nucleotide sequence analysis of the chicken c-myc gene reveals homologous and unique coding regions by comparison with the transforming gene of avian myelocytomatosis virus MC29, delta gag-myc. Proc Natl Acad Sci U S A (1983) 4.06
The RNA of influenza virus. Proc Natl Acad Sci U S A (1968) 4.01
The a subunit in the RNA of transforming avian tumor viruses. I. Occurrence in different virus strains. II. Spontaneous loss resulting in nontransforming variants. Virology (1972) 3.95
Glycoprotein components of avian and murine RNA tumor viruses. Virology (1970) 3.92
Harvey sarcoma virus: a second murine type C sarcoma virus with rat genetic information. J Virol (1974) 3.92
Molecular cloning of the Harvey sarcoma virus closed circular DNA intermediates: initial structural and biological characterization. J Virol (1979) 3.90
Proteins of Rous sarcoma virus. Virology (1968) 3.84
Location of envelope-specific and sarcoma-specific oligonucleotides on RNA of Schmidt-Ruppin Rous sarcoma virus. Proc Natl Acad Sci U S A (1976) 3.73
Separation of murine cellular and murine leukaemia virus DNA polymerases. Nat New Biol (1971) 3.71
Friend strain of spleen focus-forming virus: a recombinant between mouse type C ecotropic viral sequences and sequences related to xenotropic virus. J Virol (1977) 3.70
Friend strain of spleen focus-forming virus is a recombinant between ecotropic murine type C virus and the env gene region of xenotropic type C virus. Proc Natl Acad Sci U S A (1977) 3.62
Complementarity between Rous sarcoma virus (RSV) RNA and the in vitro-synthesized DNA of the virus-associated DNA polymerase. Virology (1970) 3.61
The RNA of avian acute leukemia virus MC29. Proc Natl Acad Sci U S A (1977) 3.60
Mutant ras-encoded proteins with altered nucleotide binding exert dominant biological effects. Proc Natl Acad Sci U S A (1986) 3.59
Human genome contains four genes homologous to transforming genes of Harvey and Kirsten murine sarcoma viruses. Proc Natl Acad Sci U S A (1982) 3.48
Avian tumor virus RNA: a comparison of three sarcoma viruses and their transformation-defective derivatives by oligonucleotide fingerprinting and DNA-RNA hybridization. Proc Natl Acad Sci U S A (1973) 3.46
Separation of sarcoma virus-specific and leukemia virus-specific genetic sequences of Moloney sarcoma virus. Proc Natl Acad Sci U S A (1975) 3.28
Nucleic acid and proteins isolated from the Rauscher mouse leukemia virus (MLV). Proc Natl Acad Sci U S A (1966) 3.23
Radioimmunoassay of mammalian type C viral proteins. I. Species specific reactions of murine and feline viruses. J Immunol (1972) 3.23
Specific RNA sequences and gene products of MC29 avian acute leukemia virus. Proc Natl Acad Sci U S A (1978) 3.22
Proposal for naming host cell-derived inserts in retrovirus genomes. J Virol (1981) 3.18
Identification of effector residues and a neutralizing epitope of Ha-ras-encoded p21. Proc Natl Acad Sci U S A (1986) 3.11
Structure of the ribonucleoprotein of influenza virus. J Virol (1972) 3.11
Fujinami sarcoma virus: an avian RNA tumor virus with a unique transforming gene. Proc Natl Acad Sci U S A (1980) 3.10
Mammalian and yeast ras gene products: biological function in their heterologous systems. Science (1985) 3.03
Translation of Rous sarcoma virus RNA in a cell-free system from ascites Krebs II cells. Proc Natl Acad Sci U S A (1975) 2.97
p21 of Kirsten murine sarcoma virus is thermolabile in a viral mutant temperature sensitive for the maintenance of transformation. J Virol (1979) 2.94
On the structure of RNA tumor viruses. Curr Top Microbiol Immunol (1970) 2.94
Comparative biochemical properties of p21 ras molecules coded for by viral and cellular ras genes. J Virol (1982) 2.91
Radioimmunoassay of mammalian type-C viral proteins: interspecies antigenic reactivities of the major internal polypeptide. Proc Natl Acad Sci U S A (1972) 2.90
Identification of a precursor in the biosynthesis of the p21 transforming protein of harvey murine sarcoma virus. J Virol (1982) 2.89
Yeast and mammalian ras proteins have conserved biochemical properties. Nature (1985) 2.85
Distinct mechanism for antidepressant activity by blockade of central substance P receptors. Science (1998) 2.83
Double-stranded RNA in vaccinia virus infected cells. Nature (1969) 2.83
The ets sequence from the transforming gene of avian erythroblastosis virus, E26, has unique domains on human chromosomes 11 and 21: both loci are transcriptionally active. Proc Natl Acad Sci U S A (1985) 2.80
Heteroduplex analysis of the sequence relations between the RNAs of mink cell focus-inducing and murine leukemia viruses. J Virol (1978) 2.79
Immunological characterization of primate C-type virus reverse transcriptases. Nat New Biol (1972) 2.73
In vitro synthesis of full-length DNA transcripts of Rous sarcoma virus RNA by viral DNA polymerase. Proc Natl Acad Sci U S A (1975) 2.68
Type C particle-positive and type C particle-negative rat cell lines: characterization of the coding capacity of endogenous sarcoma virus-specific RNA. J Virol (1976) 2.67
Comparison of the genomic organization of Kirsten and Harvey sarcoma viruses. J Virol (1978) 2.66
Immunological relationships of reverse transcriptases from ribonucleic acid tumor viruses. J Virol (1972) 2.65
Defective virus is associated with induction of murine retrovirus-induced immunodeficiency syndrome. Proc Natl Acad Sci U S A (1989) 2.63
Structure and molecular weight of the 60-70S RNA and the 30-40S RNA of the Rous sarcoma virus. Proc Natl Acad Sci U S A (1974) 2.60
Selective inhibition of ras-dependent transformation by a farnesyltransferase inhibitor. Science (1993) 2.60
Rapid leukemia induced by cloned friend strain of replicating murine type-C virus. Association with induction of xenotropic-related RNA sequences contained in spleen focus-forming virus. Virology (1978) 2.56
Subgenomic, cellular Rous sarcoma virus RNAs contain oligonucleotides from the 3' half and the 5' terminus of virion RNA. Nature (1977) 2.53
Modulation of guanine nucleotides bound to Ras in NIH3T3 cells by oncogenes, growth factors, and the GTPase activating protein (GAP). J Biol Chem (1990) 2.49
Helper-independent mink cell focus-inducing strains of Friend murine type-C virus: potential relationship to the origin of replication-defective spleen focus-forming virus. J Exp Med (1978) 2.48
Isolation of a fibroblast nonproducer cell line containing the Friend strain of the spleen focus-forming virus. Virology (1977) 2.47
Nature and distribution of feline sarcoma virus nucleotide sequences. J Virol (1979) 2.47
Functional organization of the Harvey murine sarcoma virus genome. J Virol (1980) 2.46
Flat revertants isolated from Kirsten sarcoma virus-transformed cells are resistant to the action of specific oncogenes. Proc Natl Acad Sci U S A (1983) 2.44
Transformation-defective mutants of Rous sarcoma virus with src gene deletions of varying length. J Virol (1977) 2.43
Purification of ras GTPase activating protein from bovine brain. Proc Natl Acad Sci U S A (1988) 2.41
Structural relationships between the RNA of mammary tumor virus and those of other RNA tumor viruses. Virology (1968) 2.39
Deletion mapping of moloney type C virus: polypeptide and nucleic acid expression in different transforming virus isolates. J Virol (1976) 2.39
Envelope gene sequences which encode the gp52 protein of spleen focus-forming virus are required for the induction of erythroid cell proliferation. J Virol (1982) 2.39
RNA dependent DNA polymerase activity in mammalian cells. Nature (1971) 2.37
RNA of replication-defective strains of Rous sarcoma virus. Proc Natl Acad Sci U S A (1975) 2.37
Dexamethasone stimulation of murine mammary tumor virus expression: a tissue culture source of virus. Science (1974) 2.34
Identification of a 30S RNA with properties of a defective type C virus in murine cells. J Virol (1978) 2.34
Defective retrovirus-like 30S RNA species of rat and mouse cells are infectious if packaged by type C helper virus. J Virol (1979) 2.34