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PMID: 2981334 Published · ppublish English Comparative Study Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, P.H.S.

Construction of recombinants between molecular clones of murine retrovirus MCF 247 and Akv: determinant of an in vitro host range property that maps in the long terminal repeat.

Journal of virology ·Vol. 53 ·No. 1 ·1985-01-00 ·Pages 152-7

Holland CA, Wozney J, Chatis PA, Hopkins N, Hartley JW

Abstract

The leukemogenic mink cell focus-forming (MCF) retroviruses such as MCF 247 have biological properties distinct from those of their ecotropic progenitors. Nucleotide sequences encoding portions of gp70, Prp15E, and the long terminal repeat differ between the two types of viruses. To investigate the role of each of these genetic elements in determining the biological properties of MCF viruses, we prepared infectious molecular clones of MCF 247 and generated a set of recombinants between these clones and a molecular clone of Akv, the ecotropic parent of MCF 247. Each molecular clone of MCF 247 was distinct. All the recombinants between Akv and MCF 247 yielded infectious virus upon transfection. Most interestingly, recombinants which contain the long terminal repeat of MCF 247 were found to have an in vitro host range property that has been correlated with high oncogenic activity and thymotropism of certain MCF isolates; namely, they plated with higher efficiency on SC-1 cells than on NFS mouse embryo cells. Nononcogenic MCF isolates showed a slight preference for NFS cells, whereas Akv virus plated with approximately equal efficiency on the two cell types.

MeSH Terms
Animals Base Sequence Cloning, Molecular DNA Restriction Enzymes DNA, Recombinant/metabolism Genes Genes, Viral Leukemia Virus, Murine/genetics Mice Mice, Inbred Strains Species Specificity Transfection Viral Proteins/genetics
Chemicals
DNA, Recombinant Viral Proteins DNA Restriction Enzymes
Authors & Affiliations
5 authors, click to expand affiliations / ORCID
Holland C A
Wozney J
Chatis P A
Hopkins N
Hartley J W
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37 references, click to expand
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Article Info
Journal
Journal of virology
Abbr.
J Virol
ISSN
0022-538X
DOI
10.1128/JVI.53.1.152-157.1985
Published
1985-01-00
Pages
152-7
Language
English
Region
United States
NLM ID
0113724
PMCID
PMC254996
Subset
IM
Grants
NCI NIH HHS · CA14051 · United States
NCI NIH HHS · CA19308 · United States
NCI NIH HHS · CA26717 · United States
External Links
PubMed source DOI: 10.1128/JVI.53.1.152-157.1985 PMC Full Text View journal details
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