Genetic transfer in Desulfovibrio desulfuricans
AUTOR(ES)
Rapp, Barbara J.
RESUMO
An apparently defective bacteriophage capable of mediating transduction has been identified in culture filtrates of Desulfovibrio desulfuricans (American Type Culture Collection 27774). Phage-mediated intraspecies transfer of antibiotic resistance markers occurs with a frequency of 10-5 to 10-6 per recipient cell. The vector contains linear fragments of double-stranded DNA of about 13.5 kilobase pairs, which appear to be random pieces of bacterial DNA. As yet, neither induction nor plaque formation has been observed. To our knowledge, a system of genetic exchange has not been described before for a member of the sulfate-reducing bacteria.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=299705Documentos Relacionados
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