Isolation and Characterization of a Temperate Bacteriophage Specific for Rhodopseudomonas spheroides
AUTOR(ES)
Mural, R. J.
RESUMO
The isolation of a temperature phage specific for the photosynthetic bacterium Rhodopseudomonas spheroides is reported. This phage, Rφ-1, establishes a state of lysogeny and can be induced from the prophage state by exposure to mitomycin C or UV irradiation. Mutants of Rφ-1 which grow on a standard laboratory strain (2.4.1) of Rhodopseudomonas spheroides were isolated. Although the original Rφ-1 isolated was chloroform sensitive, the mutant which plates on strain 2.4.1 is chloroform resistant. Rφ-1 does not grow on closely related bacteria, such as Rhodopseudomonas palustris or Rhodopseudomonas capsulata. Rφ-1 mutants forms plaques with the same efficiency whether the plates are incubated under aerobic conditions in the dark or under anaerobic conditions in the light (phototropic conditions).
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=355647Documentos Relacionados
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