Similarities of genome deoxyribonucleic acids ofPseudomonas strains isolated from meat |
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Authors: | Dr Jan Ursing |
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Institution: | (1) Department of Medical Microbiology, University of Lund, Malmö General Hospital, S-21401 Malmö, Sweden |
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Abstract: | A total of 29Pseudomonas strains from meat and 14 reference strains of differentPseudomonas species were studied by DNA-DNA hybridization. Of the field strains, 15 were phenotypically similar toP. fragi; the others represented a new group described by Molin and Ternström 4], phenotypically related toP. fragi and the fluorescent pseudomonads; 12 strains of this phenotype formed one major DNA-relatedness group; the type strain ofP. fragi together with nine field strains formed another group. The remaining eight meat isolates could not be assigned to either of the two groups. The intergroup relatedness and the relatedness of both groups to the fluorescent pseudomonads was about 50%. Hybridization data indicate that the phenotype of Molin and Ternström deserves species rank and that this tentative species andP. fragi belong to the group of fluorescent pseudomonads. |
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