Taxonomy and epidemiology of R plasmids as molecular species

Large discrepancies are present between genetic structures of plasmids belonging to different groups. This is consistent with distinct phylogenetic origins. A large degree of homology between plasmids of the same group probably reflects phylogenetic relationships between genes governing transfer fun...

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Bibliographic Details
Published in:Journal of antimicrobial chemotherapy 1977-01, Vol.3 (suppl-C), p.25-33
Main Authors: Chabbert, Y. A., Roussel, A.
Format: Article
Language:English
Subjects:
Chemical Phenomena
Chemistry
Classification
Conjugation, Genetic
Disease Outbreaks - microbiology
DNA, Bacterial - genetics
Genetics, Microbial
Nucleic Acid Hybridization
R Factors
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Summary:Large discrepancies are present between genetic structures of plasmids belonging to different groups. This is consistent with distinct phylogenetic origins. A large degree of homology between plasmids of the same group probably reflects phylogenetic relationships between genes governing transfer functions. For these reasons many plasmids might be considered as belonging to identifiable ‘plasmid species’. From the medical point of view this concept can be useful in the tracing of bacteria and plasmids in the environment. Antibiotic policies, for example, should be based on the knowledge of the epidemiology and ecology of resistance plasmids.
ISSN:0305-7453
1460-2091
DOI:10.1093/jac/3.suppl_C.25