Author:
Ghisotti D,Zangrossi S,Sironi G
Abstract
The gene old of bacteriophage P2 is known to (i) cause interference with phage lambda growth; (ii) kill recB- mutants of Escherichia coli after P2 infection; and (iii) determine increased sensitivity of P2 lysogenic cells to X-ray irradiation. In all of these phenomena, inhibition of protein synthesis occurs. We have isolated bacterial mutants, named pin (P2 interference), able to suppress all of the above-mentioned phenomena caused by the old+ gene product and the concurrent protein synthesis inhibition. Pin mutations are recessive, map at 12 min on the E. coli map, and identify a new gene. Satellite bacteriophage P4 does not plate on pin-3 mutant strains and causes cell lethality and protein synthesis inhibition in such mutants. P4 mutants able to grow on pin-3 strains have been isolated.
Publisher
American Society for Microbiology
Subject
Virology,Insect Science,Immunology,Microbiology
Cited by
18 articles.
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