Photosynthesis and the development of blue-green algal virus N-1

Kenneth W. Adolph, Robert Haselkorn

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Abstract

The role of photosynthesis in the infection of Nostoc muscorum by blue-green algal virus N-1 has been investigated. The adsorption rate constant (average value = 4.2 × 10-11 cm3/sec) is similar to that of bacteriophage. The one-step growth experiment revealed a latent period of 7 hr and a burst of 100-300 PFU/cell. No particular time in the viral development cycle seems sensitive to the withdrawal of light. Exclusion of light and 10-4 M CCCP, an inhibitor of electron transport, reduce the burst to 0-2% of controls. The burst decreases to 25% of controls when infected cells are treated with 10-6 M DCMU, an inhibitor of photosystem II.

Original languageEnglish (US)
Pages (from-to)370-374
Number of pages5
JournalVirology
Volume47
Issue number2
DOIs
StatePublished - Feb 1972

Bibliographical note

Funding Information:
This work was supported by Research Grant GP-17514 from the Nat.ional Science Foundation. K. W. A. is a predoctoral trainee of the National Science Foundation. We thank G. Grofman for help in preparing the figures.

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