Published in Virology on December 01, 1970
Redesign of retrovirus packaging cell lines to avoid recombination leading to helper virus production. Mol Cell Biol (1986) 16.65
A new class of murine leukemia virus associated with development of spontaneous lymphomas. Proc Natl Acad Sci U S A (1977) 13.96
Isolation and properties of Moloney murine leukemia virus mutants: use of a rapid assay for release of virion reverse transcriptase. J Virol (1981) 13.11
A major genetic locus affecting resistance to infection with murine leukemia viruses. I. Tissue culture studies of naturally occurring viruses. J Exp Med (1971) 9.81
Naturally occurring murine leukemia viruses in wild mice: characterization of a new "amphotropic" class. J Virol (1976) 9.33
Helper-independent transformation by unintegrated Harvey sarcoma virus DNA. J Virol (1978) 7.75
Generation of helper-free amphotropic retroviruses that transduce a dominant-acting, methotrexate-resistant dihydrofolate reductase gene. Mol Cell Biol (1985) 7.49
The pCL vector system: rapid production of helper-free, high-titer, recombinant retroviruses. J Virol (1996) 6.62
Studies of genetic transmission of murine leukemia virus by AKR mice. I. Crosses with Fv-1 n strains of mice. J Exp Med (1972) 6.52
FBJ murine osteosarcoma virus: identification and molecular cloning of biologically active proviral DNA. J Virol (1982) 6.11
Growth of factor-dependent hemopoietic precursor cell lines. J Exp Med (1980) 5.80
A deletion mutation in the 5' part of the pol gene of Moloney murine leukemia virus blocks proteolytic processing of the gag and pol polyproteins. J Virol (1985) 5.78
Quantitative studies of naturally occurring murine leukemia virus infection of AKR mice. J Exp Med (1972) 5.64
Characterization of Moloney murine leukemia virus mutants with single-amino-acid substitutions in the Cys-His box of the nucleocapsid protein. J Virol (1989) 5.47
Amphotropic host range of naturally occuring wild mouse leukemia viruses. J Virol (1976) 5.43
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
A quantitative assay for transformation of bone marrow cells by Abelson murine leukemia virus. J Exp Med (1976) 5.13
Lymphomagenicity of recombinant mink cell focus-inducing murine leukemia viruses. J Exp Med (1980) 5.05
Measurement of the sequence complexity of cloned Moloney murine leukemia virus 60 to 70S RNA: evidence for a haploid genome. J Virol (1974) 4.84
Molecular cloning of infectious integrated murine leukemia virus DNA from infected mouse cells. Proc Natl Acad Sci U S A (1980) 4.71
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
Characterization of the fusion domain of the human immunodeficiency virus type 1 envelope glycoprotein gp41. Proc Natl Acad Sci U S A (1990) 4.64
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
Changes in expression of murine leukemia virus antigens and production of xenotropic virus in the late preleukemic period in AKR mice. Proc Natl Acad Sci U S A (1976) 4.52
Independent segregation of loci for activation of biologically distinguishable RNA C-type viruses in mouse cells. Proc Natl Acad Sci U S A (1973) 4.39
Thymotropism of murine leukemia virus is conferred by its long terminal repeat. Proc Natl Acad Sci U S A (1983) 4.29
Germ line integration and Mendelian transmission of the exogenous Moloney leukemia virus. Proc Natl Acad Sci U S A (1976) 4.07
Molecular cloning of the Harvey sarcoma virus closed circular DNA intermediates: initial structural and biological characterization. J Virol (1979) 3.90
DNA methylation and gene expression: endogenous retroviral genome becomes infectious after molecular cloning. Proc Natl Acad Sci U S A (1981) 3.70
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
Effect of Fv-1 gene product on synthesis of linear and supercoiled viral DNA in cells infected with murine leukemia virus. J Virol (1980) 3.54
In vitro transformation of lymphoid cells by Abelson murine leukemia virus. Proc Natl Acad Sci U S A (1975) 3.47
Studies of genetic transmission of murine leukemia virus by AKR mice. II. Crosses with Fv-1 b strains of mice. J Exp Med (1972) 3.47
Ribonucleic acid components of murine sarcoma and leukemia viruses. Proc Natl Acad Sci U S A (1973) 3.42
Deficiency of 60 to 70S RNA in murine leukemia virus particles assembled in cells treated with actinomycin D. J Virol (1974) 3.37
A transmissible retrovirus expressing human hypoxanthine phosphoribosyltransferase (HPRT): gene transfer into cells obtained from humans deficient in HPRT. Proc Natl Acad Sci U S A (1983) 3.31
Six-NB-tropic murine leukemia viruses derived from a B-tropic virus of BALB/c have altered p30. J Virol (1977) 3.27
The effect of helper virus on Abelson virus-induced transformation of lymphoid cells. J Exp Med (1978) 3.25
A 3' end fragment encompassing the transcriptional enhancers of nondefective Friend virus confers erythroleukemogenicity on Moloney leukemia virus. J Virol (1984) 3.16
Mutations in the gag gene of Moloney murine leukemia virus: effects on production of virions and reverse transcriptase. J Virol (1984) 3.14
In vitro generation of tumor-specific cytotoxic lymphocytes. Secondary allogeneic mixed tumor lymphocyte culture of normal murine spleen cells. J Exp Med (1977) 3.11
Infectious viral DNA of murine leukemia virus. Proc Natl Acad Sci U S A (1975) 3.09
Two base changes restore infectivity to a noninfectious molecular clone of Moloney murine leukemia virus (pMLV-1). J Virol (1984) 3.09
Physical mapping of the Fv-1 tropism host range determinant of BALB/c murine leukemia viruses. J Virol (1983) 3.07
Murine leukemia virus: detection of unintegrated double-stranded DNA forms of the provirus. Proc Natl Acad Sci U S A (1975) 3.07
Deletion mutants of Moloney murine leukemia virus which lack glycosylated gag protein are replication competent. J Virol (1983) 3.04
Correlation of early murine leukemia virus titer and H-2 type with spontaneous leukemia in mice of the BALB/c times AKR cross: a genetic analysis. J Exp Med (1975) 2.98
p21 of Kirsten murine sarcoma virus is thermolabile in a viral mutant temperature sensitive for the maintenance of transformation. J Virol (1979) 2.94
Presence of murine leukemia virus envelope proteins gp70 and p15(E) in a common polyprotein of infected cells. J Virol (1976) 2.91
pH-independent murine leukemia virus ecotropic envelope-mediated cell fusion: implications for the role of the R peptide and p12E TM in viral entry. J Virol (1994) 2.87
The tandem direct repeats within the long terminal repeat of murine leukemia viruses are the primary determinant of their leukemogenic potential. J Virol (1984) 2.77
Growth of pseudotypes of vesicular stomatitis virus with N-tropic murine leukemia virus coats in cells resistant to N-tropic viruses. J Virol (1973) 2.75
Effect of Fv-1 gene product on proviral DNA formation and integration in cells infected with murine leukemia viruses. Proc Natl Acad Sci U S A (1976) 2.71
Construction and analysis of deletion mutations in the U5 region of Moloney murine leukemia virus: effects on RNA packaging and reverse transcription. J Virol (1989) 2.69
Defective virus is associated with induction of murine retrovirus-induced immunodeficiency syndrome. Proc Natl Acad Sci U S A (1989) 2.63
A comparison of membrane proteins of normal and transformed cells by lactoperoxidase labeling. Proc Natl Acad Sci U S A (1974) 2.59
Generation of novel, biologically active Harvey sarcoma viruses via apparent illegitimate recombination. J Virol (1981) 2.53
Disease specificity of nondefective Friend and Moloney murine leukemia viruses is controlled by a small number of nucleotides. J Virol (1987) 2.53
Structure of the FBJ murine osteosarcoma virus genome: molecular cloning of its associated helper virus and the cellular homolog of the v-fos gene from mouse and human cells. Mol Cell Biol (1983) 2.53
Adaptation of a retrovirus as a eucaryotic vector transmitting the herpes simplex virus thymidine kinase gene. Mol Cell Biol (1982) 2.51
Variants of N-tropic leukemia virus derived from BALB/c mice. J Virol (1975) 2.50
Evidence for recombination between N- and B-tropic murine leukemia viruses: analysis of three virion proteins by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. J Virol (1977) 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
Functional organization of the Harvey murine sarcoma virus genome. J Virol (1980) 2.46
Host restriction of Friend leukemia virus. Role of the viral outer coat. Proc Natl Acad Sci U S A (1973) 2.44
Retrovirus-induced murine acquired immunodeficiency syndrome: natural history of infection and differing susceptibility of inbred mouse strains. J Virol (1989) 2.41
The oncornavirus glycoprotein gp69/71: a constituent of the surface of normal and malignant thymocytes. J Exp Med (1975) 2.37
Effect of the Fv-1 locus on the titration of murine leukemia viruses. J Virol (1975) 2.36
Genetic factors influencing C-type RNA virus induction. J Exp Med (1972) 2.36
v-cbl, an oncogene from a dual-recombinant murine retrovirus that induces early B-lineage lymphomas. Proc Natl Acad Sci U S A (1989) 2.34
Isolation of a recombinant murine leukemia virus utilizing a new primer tRNA. J Virol (1986) 2.33
Murine leukemia virus mutant with a frameshift in the reverse transcriptase coding region: implications for pol gene structure. J Virol (1984) 2.32
Oncogenicity of AKR endogenous leukemia viruses. J Virol (1978) 2.31
Mutations in gag proteins P12 and P15 of Moloney murine leukemia virus block early stages of infection. J Virol (1984) 2.30
Tissue selectivity of murine leukemia virus infection is determined by long terminal repeat sequences. J Virol (1985) 2.29
Homologous recombination of copackaged retrovirus RNAs during reverse transcription. J Virol (1992) 2.29
Mapping the viral sequences conferring leukemogenicity and disease specificity in Moloney and amphotropic murine leukemia viruses. J Virol (1984) 2.27
Transformation of mouse 3T3 cells by murine sarcoma virus: release of virus-like particles in the absence of replicating murine leukemia helper virus. Proc Natl Acad Sci U S A (1971) 2.26
Evidence for recombination between N- and B-tropic murine leukemia viruses. J Virol (1977) 2.20
Structural characteristics of some murine RNA tumor viruses studied by lactoperoxidase iodination. Proc Natl Acad Sci U S A (1973) 2.18
Abelson murine leukemia virus mutants with alterations in the virus-specific P120 molecule. J Virol (1980) 2.16
Host restriction of Friend leukemia virus: synthesis and integration of the provirus. Proc Natl Acad Sci U S A (1976) 2.15
Synthesis of murine leukemia virus proteins associated with virions assembled in actinomycin D-treated cells: evidence for persistence of viral messenger RNA. Proc Natl Acad Sci U S A (1976) 2.14
Candidate product of the FBJ murine osteosarcoma virus oncogene: characterization of a 55,000-dalton phosphoprotein. J Virol (1982) 2.13
A lethal myeloproliferative syndrome in mice transplanted with bone marrow cells infected with a retrovirus expressing granulocyte-macrophage colony stimulating factor. EMBO J (1989) 2.13
Immunopathogenicity and oncogenicity of murine leukemia viruses. I. Induction of immunologic disease and lymphoma in (BALB-c times NZB)F1 mice by Scripps leukemia virus. J Exp Med (1974) 2.12
Molecular cloning of unintegrated and a portion of integrated moloney murine leukemia viral DNA in bacteriophage lambda. J Virol (1980) 2.10
A replication-defective variant of Moloney murine leukemia virus. I. Biological characterization. J Virol (1978) 2.09
Characterizatiion of rat genetic sequences of Kirsten sarcoma virus: distinct class of endogenous rat type C viral sequences. J Virol (1976) 2.09
A mouse gene on chromosome 5 that restricts infectivity of mink cell focus-forming recombinant murine leukemia viruses. J Exp Med (1983) 2.08
Mutational analysis of the envelope gene of Moloney murine leukemia virus. J Virol (1993) 2.08
Mechanism of restriction of ecotropic and xenotropic murine leukemia viruses and formation of pseudotypes between the two viruses. J Virol (1977) 2.08
Design of retrovirus vectors for transfer and expression of the human beta-globin gene. J Virol (1988) 2.06
The role of envelope glycoprotein processing in murine leukemia virus infection. J Virol (1987) 2.06
CD4+ T cells are required for development of a murine retrovirus-induced immunodeficiency syndrome (MAIDS). J Exp Med (1988) 2.06
Exogenous expression of mouse interferon gamma cDNA in mouse neuroblastoma C1300 cells results in reduced tumorigenicity by augmented anti-tumor immunity. Proc Natl Acad Sci U S A (1989) 2.06
Cell fusion induced by the murine leukemia virus envelope glycoprotein. J Virol (1993) 2.05
A new class of murine leukemia virus associated with development of spontaneous lymphomas. Proc Natl Acad Sci U S A (1977) 13.96
Host-range restrictions of murine leukemia viruses in mouse embryo cell cultures. J Virol (1970) 11.14
Clonal cells lines from a feral mouse embryo which lack host-range restrictions for murine leukemia viruses. Virology (1975) 10.56
A major genetic locus affecting resistance to infection with murine leukemia viruses. I. Tissue culture studies of naturally occurring viruses. J Exp Med (1971) 9.81
Isolation of naturally occurring viruses of the murine leukemia virus group in tissue culture. J Virol (1969) 9.39
Naturally occurring murine leukemia viruses in wild mice: characterization of a new "amphotropic" class. J Virol (1976) 9.33
Murine leukemia virus: high-frequency activation in vitro by 5-iododeoxyuridine and 5-bromodeoxyuridine. Science (1971) 8.78
Complement fixation and tissue culture assays for mouse leukemia viruses. Proc Natl Acad Sci U S A (1965) 7.77
Studies of small DNA viruses found in various adenovirus preparations: physical, biological, and immunological characteristics. Proc Natl Acad Sci U S A (1966) 7.35
Biochemical evidence that MCF murine leukemia viruses are envelope (env) gene recombinants. Proc Natl Acad Sci U S A (1977) 6.80
Production of altered cell foci in tissue culture by defective Moloney sarcoma virus particles. Proc Natl Acad Sci U S A (1966) 6.79
Studies of genetic transmission of murine leukemia virus by AKR mice. I. Crosses with Fv-1 n strains of mice. J Exp Med (1972) 6.52
Quantitative studies of naturally occurring murine leukemia virus infection of AKR mice. J Exp Med (1972) 5.64
A major genetic locus affecting resistance to infection with murine leukemia viruses. II. Apparent identity to a major locus described for resistance to friend murine leukemia virus. J Exp Med (1971) 5.50
Rescue of the defective genome of Moloney sarcoma virus from a noninfectious hamster tumor and the production of pseudotype sarcoma viruses with various murine leukemia viruses. Proc Natl Acad Sci U S A (1966) 5.34
Mixed culture cytopathogenicity: a new test for growth of murine leukemia viruses in tissue culture. Proc Natl Acad Sci U S A (1969) 5.06
Lymphomagenicity of recombinant mink cell focus-inducing murine leukemia viruses. J Exp Med (1980) 5.05
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
Studies on nondefective adenovirus-simian virus 40 hybrid viruses. I. A newly characterized simian virus 40 antigen induced by the Ad2+ND 1 virus. J Virol (1971) 4.62
Changes in expression of murine leukemia virus antigens and production of xenotropic virus in the late preleukemic period in AKR mice. Proc Natl Acad Sci U S A (1976) 4.52
Qualitative and quantitative studies of AKR-type murine leukemia virus sequences in mouse DNA. Cold Spring Harb Symp Quant Biol (1975) 4.49
Genetic mapping of a murine leukemia virus-inducing locus of AKR mice. Science (1972) 3.81
Identification of DNA fragments carrying ecotropic proviruses of AKR mice. Proc Natl Acad Sci U S A (1979) 3.64
Definitive evidence that the murine C-type virus inducing locus Akv-1 is viral genetic material. Proc Natl Acad Sci U S A (1975) 3.51
Studies of genetic transmission of murine leukemia virus by AKR mice. II. Crosses with Fv-1 b strains of mice. J Exp Med (1972) 3.47
Studies of adenovirus SV40 hybrid viruses. II. Defectiveness of the hybrid particles. J Exp Med (1965) 3.45
Serologic evidence for human infection with adenovirus-associated viruses. J Natl Cancer Inst (1968) 3.44
Noninfectious AKR mouse embryo cell lines in which each cell has the capacity to be activated to produce infectious murine leukemia virus. Virology (1971) 3.26
Isolation of transforming murine leukemia viruses from mice with a high incidence of spontaneous lymphoma. Proc Natl Acad Sci U S A (1977) 3.25
Leukemia virus genomes in the chromosomal DNA of the mouse. Harvey Lect (1978) 3.19
Identification of ecotropic proviral sequences in inbred mouse strains with a cloned subgenomic DNA fragment. Proc Natl Acad Sci U S A (1980) 3.19
Molecular cloning of polyoma virus DNA in Escherichia coli: lambda phage vector system. Science (1979) 3.17
A 3' end fragment encompassing the transcriptional enhancers of nondefective Friend virus confers erythroleukemogenicity on Moloney leukemia virus. J Virol (1984) 3.16
Correlation of early murine leukemia virus titer and H-2 type with spontaneous leukemia in mice of the BALB/c times AKR cross: a genetic analysis. J Exp Med (1975) 2.98
Evidence that the AKR murine-leukemia-virus genome is complete in DNA of the high-virus AKR mouse and incomplete in the DNA of the "virus-negative" NIH mouse. Proc Natl Acad Sci U S A (1974) 2.95
A major genetic locus affecting resistance to infection with murine leukemia viruses. IV. Dose-response relationships in Fv-1-sensitive and resistant cell cultures. Virology (1975) 2.95
Rapid viral induction of plasmacytomas in pristane-primed BALB-c mice. Science (1973) 2.94
AKR murine leukemia virus genome: frequency of sequences in DNA of high-, low-, and non-virus-yielding mouse strains. Proc Natl Acad Sci U S A (1974) 2.91
Genetic factors in the natural history of murine leukemia virus infection: G. H. A. Clowes Memorial Lecture. Cancer Res (1973) 2.88
Nucleic acid homology studies of adenovirus type 7-SV40 interactions. Proc Natl Acad Sci U S A (1966) 2.86
Studies of adenovirus SV40 hybrid viruses. I. Assay system and further evidence for hybridization. J Exp Med (1965) 2.85
Mutation of the core or adjacent LVb elements of the Moloney murine leukemia virus enhancer alters disease specificity. Genes Dev (1990) 2.75
Mouse leukemia virus: "spontaneous" release by mouse embryo cells after long-term in vitro cultivation. Proc Natl Acad Sci U S A (1969) 2.68
Defective virus is associated with induction of murine retrovirus-induced immunodeficiency syndrome. Proc Natl Acad Sci U S A (1989) 2.63
Biophysical evidence for linkage of adenovirus and SV40 DNA's in adenovirus 7-SV40 hybrid particles. Proc Natl Acad Sci U S A (1966) 2.61
Genetic mapping of the ecotropic murine leukemia virus-inducing locus of BALB/c mouse to chromosome 5. Science (1979) 2.54
Disease specificity of nondefective Friend and Moloney murine leukemia viruses is controlled by a small number of nucleotides. J Virol (1987) 2.53
Germ-line reinsertions of AKR murine leukemia virus genomes in Akv-1 congenic mice. Proc Natl Acad Sci U S A (1980) 2.52
Morphological and cytochemical studies on lymphocytic choriomeningitis virus. J Virol (1968) 2.46
Viral integration near c-myc in 10-20% of mcf 247-induced AKR lymphomas. Proc Natl Acad Sci U S A (1984) 2.44
Genetic mapping of xenotropic murine leukemia virus-inducing loci in five mouse strains. J Exp Med (1980) 2.34
Analysis of the genomes of mink cell focus-inducing murine type-C viruses: a progress report. Cold Spring Harb Symp Quant Biol (1980) 2.34
v-cbl, an oncogene from a dual-recombinant murine retrovirus that induces early B-lineage lymphomas. Proc Natl Acad Sci U S A (1989) 2.34
Genetic mapping of the ecotropic virus-inducing locus Akv-2 of the AKR mouse. J Exp Med (1980) 2.29
A procedure for culture of cells from mouse tail biopsies: brief communication. J Natl Cancer Inst (1978) 2.22
At least four viral genes contribute to the leukemogenicity of murine retrovirus MCF 247 in AKR mice. J Virol (1985) 2.20
The effect of interferon on SV-40 T antigen production in SV-40-transformed cells. Virology (1967) 2.13
Studies of adenovirus-SV40 hybrid viruses. V. Evidence for linkage between adenovirus and SV40 genetic materials. Proc Natl Acad Sci U S A (1966) 2.13
Isolation of adenovirus-associated viruses from man. Proc Natl Acad Sci U S A (1967) 2.10
Cloning and characterization of an envelope-specific probe from xenotropic murine leukemia proviral DNA. J Virol (1982) 2.09
Studies of adenovirus-SV40 hybrid viruses. IV. An adenovirus type 2 strain carrying the infectious SV40 genome. Proc Natl Acad Sci U S A (1966) 2.09
A mouse gene on chromosome 5 that restricts infectivity of mink cell focus-forming recombinant murine leukemia viruses. J Exp Med (1983) 2.08
Specific hybridization probes demonstrate fewer xenotropic than mink cell focus-forming murine leukemia virus env-related sequences in DNAs from inbred laboratory mice. J Virol (1986) 2.08
Evolution of B cell lineage lymphomas in mice with a retrovirus-induced immunodeficiency syndrome, MAIDS. J Immunol (1988) 2.04
XenCSA: cell surface antigens related to the major glycoproteins (gp70) of xenotropic murine leukemia viruses. J Immunol (1979) 2.02
Use of enzyme-labeled antibody for electron microscope localization of lymphocytic choriomeningitis virus antigens in infected cell cultures. J Natl Cancer Inst (1969) 2.01
Recovery of a hamster-specific, focus-forming, and sarcomagenic virus from a "noninfectious" hamster tumor induced by the Kirsten Mouse sarcoma virus. J Natl Cancer Inst (1969) 2.00
Studies of the mechanism of induction of infectious murine leukemia virus from AKR mouse embryo cell lines by 5-iododeoxyuridine and 5-bromodeoxyuridine. Virology (1973) 1.98