Journal
TRENDS IN MICROBIOLOGY
Volume 11, Issue 7, Pages 318-321Publisher
ELSEVIER SCI LTD
DOI: 10.1016/S0966-842X(03)00143-4
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The definition of new species is currently based on polyphasic classification that includes both determination of phenotypic characteristics and DNA-DNA homology. However, none of these techniques is convenient for the rapid characterization of fastidious or non-culturable bacteria. Using sequences available in the GenBank database, we compared the similarities of gene fragments among the currently recognized Bartonella species. This comparison led to both the definition of similarity values that discriminated Bartonella at the species level and assessment of the relative discriminatory power of each gene examined. In this perspective, rpoB and gltA were found to be the most potent.
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