Acinetobacter johnsonii and Acinetobacter lwoffii- the emerging fish pathogens

• Autorzy: Kozinska A. , Pazdzior E. , Pekala A. , Niemczuk W.
• Języki publikacji: EN

Abstrakty

EN

The aim of this study was to characterise Acinetobacter sp. isolated from fish. Eight isolates obtained from diseased rainbow trout and common carp cultured in Poland were analysed. The isolates were identified using API 20 NE system as Acinetobacter sp. Afterwards, they were identified by sequencing 16S rDNA gene fragment. The bacteria were identified as A. johnsonii (two isolates), A. Iwoffii (two isolates), A. junii/johnsonii (one isolate), A. calcoaceticus (one isolate), and Acinetobacter sp. (two isolates). The drug resistance of isolates was examined. The majority of the isolates were resistant to ampicilin, amoxicillin, and cephalothin and all demonstrated sensitivity to fluoroquinolones, except of one isolate. Two isolates were selected for the experimental infection of trout and carp to confirm their pathogenicity. Experimentally infected fish showed disease symptoms similar to those observed in fish naturally infected with these bacteria. This is the first report concerning pathogenicity of A. johnsonii for rainbow trout and A. Iwoffii for common carp. These bacteria were regarded as emerging opportunistic pathogens of fish farmed in Poland. Acinetobacter strains are commonly known as microorganisms transmitting the antibiotic resistance genes. Therefore, they might have a great impact on the resistance transfer in aquaculture.

• Wydawca: -
• Czasopismo: Bulletin of the Veterinary Institute in Puławy
• Rocznik: 2014
• Tom: 58
• Numer: 2
• Opis fizyczny: p.193-199,fig.,ref.

Twórcy

autor

Kozinska A.

• Department of Fish Diseases, National Veterinary Research Institute, 24-100 Pulawy, Poland

autor

Pazdzior E.

• Department of Fish Diseases, National Veterinary Research Institute, 24-100 Pulawy, Poland

autor

Pekala A.

• Department of Fish Diseases, National Veterinary Research Institute, 24-100 Pulawy, Poland

autor

Niemczuk W.

• Department of Epizootiology and Clinic of Bird and Exotic Animals, Faculty of Veterinary Medicine, University of Environmental and Life Sciences, 50-366 Wroclaw, Poland

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