In vitro synthesis of a 9 kbp terminally redundant DNA carrying the infectivity of moloney murine leukemia virus

Eli Gilboa, Stephen Goff, Anthony Shields, Fayth Yoshimura, Sudha Mitra, David Baltimore

Research output: Contribution to journalArticle

68 Citations (Scopus)

Abstract

Detergent-disrupted virions of Moloney murine leukemia virus synthesize a 9 kbp double-stranded infectious DNA. It contains mainly full-length, single-stranded DNA, and its infectivity and size are insensitive to digestion by the single-strand-specific S1 nuclease. Analysis of fragmentation of the DNA using restriction endonucleases has shown that it is indistinguishable from the linear double-stranded DNA synthesized in infected cells. On the basis of the positions of the cleavage sites for a number of enzymes, the 9 kbp DNA has a 575 base direct terminal repetition. It is longer than the viral RNA at both ends, evidently due to repetitive copying of segments of the RNA. Virions also synthesize an 8.4 kbp double-stranded circular DNA that lacks one copy of the terminal repetition, as well as viral DNA longer than 9 kbp. The enzymatic machinery in the virions of retroviruses therefore appears to be responsible for all the steps involved in making fully double-stranded linear and one form of circular DNA.

Original languageEnglish
Pages (from-to)863-874
Number of pages12
JournalCell
Volume16
Issue number4
DOIs
StatePublished - Jan 1 1979
Externally publishedYes

Fingerprint

Moloney murine leukemia virus
Viruses
Virion
Circular DNA
DNA
Copying
Single-Stranded DNA
DNA Restriction Enzymes
Viral DNA
Viral RNA
DNA Fragmentation
Retroviridae
Detergents
Machinery
Digestion
RNA
In Vitro Techniques
Enzymes

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology
  • Medicine(all)

Cite this

In vitro synthesis of a 9 kbp terminally redundant DNA carrying the infectivity of moloney murine leukemia virus. / Gilboa, Eli; Goff, Stephen; Shields, Anthony; Yoshimura, Fayth; Mitra, Sudha; Baltimore, David.

In: Cell, Vol. 16, No. 4, 01.01.1979, p. 863-874.

Research output: Contribution to journalArticle

Gilboa, Eli ; Goff, Stephen ; Shields, Anthony ; Yoshimura, Fayth ; Mitra, Sudha ; Baltimore, David. / In vitro synthesis of a 9 kbp terminally redundant DNA carrying the infectivity of moloney murine leukemia virus. In: Cell. 1979 ; Vol. 16, No. 4. pp. 863-874.
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