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Article10.1099/0022-1317-50-10-896

Genotypic and phenotypic characterisation of Borrelia burgdorferi sensu lato strains isolated from human blood

Eva Ružić‐Sabljić,Maja Arnež,Stanka Lotrič‐Furlan,Vera Maraspin,J. Cimperman,Franc Strle-2001-10-01-Journal of Medical Microbiology
37

TL;DRAbstract

Lyme borreliosis often presents initially with erythema migrans. Borreliae may disseminate from the primary skin lesion, and different organs and systems could be affected. Borrelia strains were isolated from blood of 70 patients with Lyme borreliosis, including 10 patients from whom borreliae were also isolated from skin. The aim of the present study was to characterise the isolates with regard to their phenotypic and genotypic characteristics. Borreliae were cultivated in MKP medium. Species identification and plasmid profiles were determined by pulsed-field gel electrophoresis (PFGE) and protein profiles by SDS-PAGE. Digestion of Borrelia burgdorferi sensu lato DNA showed 63 (90%) B. afzelii Mla1 and 7 (10%) B. garinii Mlg2. No B. burgdorferi sensu stricto were isolated. Borreliae were isolated from both skin and blood of 10 patients, nine pairs of isolates were identical: seven B. afzelii and two B. garinii. B. afzelii was isolated from the skin and B. garinii from blood of the ten

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Lyme borreliosis often presents initially with erythema migrans. Borreliae may disseminate from the primary skin lesion, and different organs and systems could be affected. Borrelia strains were isolated from blood of 70 patients with Lyme borreliosis, including 10 patients from whom borreliae were also isolated from skin. The aim of the present study was to characterise the isolates with regard to their phenotypic and genotypic characteristics. Borreliae were cultivated in MKP medium. Species identification and plasmid profiles were determined by pulsed-field gel electrophoresis (PFGE) and protein profiles by SDS-PAGE. Digestion of Borrelia burgdorferi sensu lato DNA showed 63 (90%) B. afzelii Mla1 and 7 (10%) B. garinii Mlg2. No B. burgdorferi sensu stricto were isolated. Borreliae were isolated from both skin and blood of 10 patients, nine pairs of isolates were identical: seven B. afzelii and two B. garinii. B. afzelii was isolated from the skin and B. garinii from blood of the ten

Keywords

Borrelia afzeliiBorrelia burgdorferiBorrelia gariniiBiologyMicrobiologyBorreliaSpirochaetaceaeTyping

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