Bleomycin, an inhibitor of vaccinia virus replication

Masaru Takeshita, Susan Band Horwitz, Arthur P. Grollman

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Bleomycin inhibits vaccinia virus replication in infected HeLa cells and in mice. Viral DNA synthesis and core RNA polymerase activity are significantly inhibited by the antibiotic. Synthesis of messenger RNA in isolated vaccinia cores is inhibited, but synthesis of poly(A) is unaffected. Vaccinia core DNA is degraded during the course of the RNA polymerase reaction in the presence of bleomycin. The presence of ribonucleoside triphosphates accelerates the degradation of vaccinia core DNA by bleomycin. Effects on DNA synthesis, in particular, the induced degradation of template DNA, may be responsible for the observed antiviral activity of bleomycin.

Original languageEnglish (US)
Pages (from-to)455-465
Number of pages11
JournalVirology
Volume60
Issue number2
DOIs
StatePublished - 1974

Fingerprint

Vaccinia virus
Bleomycin
Virus Replication
Vaccinia
DNA
DNA-Directed RNA Polymerases
Ribonucleosides
Poly A
Viral DNA
HeLa Cells
Antiviral Agents
Anti-Bacterial Agents
Messenger RNA

ASJC Scopus subject areas

  • Virology
  • Infectious Diseases

Cite this

Bleomycin, an inhibitor of vaccinia virus replication. / Takeshita, Masaru; Band Horwitz, Susan; Grollman, Arthur P.

In: Virology, Vol. 60, No. 2, 1974, p. 455-465.

Research output: Contribution to journalArticle

Takeshita, Masaru ; Band Horwitz, Susan ; Grollman, Arthur P. / Bleomycin, an inhibitor of vaccinia virus replication. In: Virology. 1974 ; Vol. 60, No. 2. pp. 455-465.
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