Isolation and characterization of a virus infecting the blue-green alga Nostoc muscorum

Kenneth W. Adolph, Robert Haselkorn

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

A newly isolated blue-green algal virus, distinct in its morphology and host range, has been characterized physicochemically. The virus infects strains of the nitrogenfixing blue-green alga Nostoc muscorum. The virions have polyhedral heads, about 550 Å in diameter, and contractile tails which are 1100 Å in length. At least 19 proteins are found in mature virus particles. The nucleic acid is linear, double-stranded DNA, with a buoyant density of 1.696 g/cm3 and a sedimentation coefficient (s20,w) of 38.7 S. These values correspond to a G-C content of 37% and a molecular weight of 38 × 106, respectively.

Original languageEnglish (US)
Pages (from-to)200-208
Number of pages9
JournalVirology
Volume46
Issue number2
DOIs
StatePublished - Nov 1971
Externally publishedYes

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