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  • Comparison in growth of Borrelia afzelii, B. garinii, and B. burgdorferi sensustricto in MKP and BSK-II medium
    Ružić-Sabljić, Eva ; Strle, Franc, 1949-
    Lyme borreliosis is a tick-borne disease caused by genetically diverse Borrelia strains including B. afzelii, B. garinii, and B. burgdorferi sensu stricto (s.s.). The aim of the present study was to ... assess and compare the growth of one strain per species of B. afzelii, B. garinii, and B. burgdorferis.s. in modified Kelly-Pettenkofer (MKP) and Barbour-Stonner-Kelly-II (BSK-II) medium, and to check for the presence of theovergrowth after inoculating the media with a mixture of two different Borrelia species. All three Borrelia strains grew well in both media. In the majority of the experiments the number of B. afzelii cells was higher in MKP than in BSK-II medium while for B. garinii and B. burgdorferi s.s. a tendency for better growth in BSK-II than MKP was established. In a mixture of equivalent amounts of two species, B. burgdorferi s.s. as a rule overgrew the other two species while in the mixture of B. afzelii and B. garinii the latterwas a "dominant" strain. Comparing the performance of the two media, B. burgdorferi s.s. usually overgrew either B. afzelii or B. garinii in MKP as well as in BSK-II medium, however, the results were found to be statistically significant only for MKP medium. In the mixture of B. afzelii and B. garinii the latter was the predominant species but significant differences were established only for BSK-II medium. It seems that the overgrowth is predominantly the result of the characteristics of the individual Borrelia species and most probably not a consequence of growth differences in the two culture media. Further work with a larger number of strains is needed to confirm these findings.
    Source: International journal of medical microbiology. - ISSN 1438-4221 (Letn. 294, 2004, str. 407-412)
    Type of material - article, component part
    Publish date - 2004
    Language - english
    COBISS.SI-ID - 18929113