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  1. First isolation of Francisella tularensis subsp. tularensis in Europe.

    Article - En anglais

    Francisella tularensis subsp. tularensis is the common causal agent of tularemia in the USA and Canada, while F. tularensis subsp. palaearctica (holarctica) occurs in Europe, Asia. and to a minor extent in North America.

    F tularensis subsp. mediaasiatica was found only in central Asia in a part of the former Soviet Union.

    Of the total of 155 F. tularensis strains isolated over the years 1978-1996 during the surveillance of tularemia in Slovakia, 65 were from small mammals, 68 from ticks and 22 from mites and fleas.

    They were characterized and classified by basic markers of infraspecific taxonomy in tests in vitro and compared with type strains of three subspecies and biovars of F. tularensis.

    Comparative studies have revealed biological properties characteristic of F. tularensis subsp. tularensis in 17 strains isolated from fleas and mites parasiting on small terrestrial mammals, collected in the Danube region, near Bratislava.

    These strains fermented glycerol, glucose, were positive for citrulline ureidase and sensitive to erythromycin, in contrast to the other 138 isolates classified as F. tularensis subsp. palaearctica (holarctica), biovar II, which fermented only glucose, were negative for citrulline ureidase and resistant to erythromycin.

    Two selected pairs of isolates with properties characteristic of F. tularensis subsp. palaearctica (holarctica), biovar II (SE-210, SE-234) and of F. tularensis subsp. (...)

    Mots-clés Pascal : Slovaquie, Europe, Tularémie, Bactériose, Infection, Epidémiologie, Surveillance sanitaire, Exploration bactériologique, Vecteur, Virulence, Francisella tularensis, Bactérie, Mammalia, Vertebrata, Zoonose, Animal, Isolement

    Mots-clés Pascal anglais : Slovakia, Europe, Tularemia, Bacteriosis, Infection, Epidemiology, Sanitary surveillance, Bacteriological investigation, Vector, Virulence, Francisella tularensis, Bacteria, Mammalia, Vertebrata, Zoonosis, Animal, Isolation

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0127148

    Code Inist : 002B05B03. Création : 16/11/1999.