Ocena hydrofobowych wlasciwosci szczepow Yersinia enterocolitica wyizolowanych od ludzi i trzody chlewnej

• Autorzy: Kot B. , Oszajca A. , Jakubczak A. , Bukowski K. , Wozniak-Kosek A.
• Języki publikacji: PL

Abstrakty

PL

Właściwości hydrofobowe są jednym z niespecyficznych czynników odpowiedzialnych za chorobotwórczość drobnoustrojów. Badano występowanie hydrofobowych właściwości u 117 szczepów Yersinia enterocolitica wyosobnionych od ludzi i trzody chlewnej. Wykazano, że badane szczepy posiadały zróżnicowane właściwości hydrofobowe. Warunki hodowli, tj. skład podłoża, temperatura i czas prowadzenia hodowli mają wpływ na ujawnianie tej cechy u Y. enterocolitica.

EN

The aim of the study was to evaluate the hydrophobic properties of Yersinia enterocolitica and to determine the influence of the culture conditions, such as: type of medium, temperature, and duration of the culture on the manifestation of these properties. The subject of the study were 117 of Y. enterocolitica strains isolated from humans and pigs. The ammonium sulphate salt aggregation test according to Lindahl modified method was used to evaluate the hydrophobic properties of Y. enterocolitica strains. Strains of Y. enterocolitica were cultured for 24 h at 25°C on TSA (Difco) medium. During investigation of the influence of the culture conditions the chosen strains were incubated for 24 h and 48 h at 25°C and 37°C on TSA (Difco), LB (Difco), enrichment agar (Biomed), and enrichment agar with 5% sheep blood (Graso), A total of 44,5%, 17,9%, 9,4%, and 28,2% strains of Y. enterocolitica showed very strong hydrophobic properties, strong hydrophobic properties, some hydrophobic properties, and were non-hydrophobic, respectively when strains of Y. enterocolitica were cultured for 24 h at 25°C on TSA medium. A total of 75,5% strains isolated from humans showed very strong hydrophobic properties and 13,5% strains were non-hydrophobic. Among strains isolated from pigs 30% showed very strong hydrophobic properties but 35% were non-hydrophobic. The hydrophobic properties of Y. enterocolitica depended on the temperature, duration of the culture and the type of media. The highest number of strains with very strong hydrophobic properties (89,6%) was obtained after 48 h of the incubation at 37°C on the enrichment agar with 5% sheep blood. The highest number of non-hydrophobic strains of Y. enterocolitica (28,5%) was obtained after 24 h at 25°C on TSA medium.

Słowa kluczowe

PL

hodowla mikroorganizmow; wystepowanie; trzoda chlewna; wlasciwosci hydrofobowe; adhezja; Yersinia enterocolitica; chorobotworczosc; mikroorganizmy; komorki bakterii; bakterie; czlowiek

• Wydawca: -
• Czasopismo: Medycyna Doświadczalna i Mikrobiologia
• Rocznik: 2001
• Tom: 53
• Numer: 1
• Opis fizyczny: s.31-38,rys.,tab.,bibliogr.

Twórcy

autor

Kot B.

• Akademia Podlaska, 08-110 Siedlce, ul.Prusa 12

autor

Oszajca A.

autor

Jakubczak A.

autor

Bukowski K.

autor

Wozniak-Kosek A.

Bibliografia

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