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https://open.uns.ac.rs/handle/123456789/19362
Nаziv: | Prevalence and genetic variability of Plesiomonas shigelloides in temperate climate surface waters of the Pannonian Plain | Аutоri: | Petrušić Milivoje Obreht Vidaković Dragana Lazić Sava Radnović Dragan Knežević Petar |
Dаtum izdаvаnjа: | 2018 | Čаsоpis: | Archives of Biological Sciences | Sažetak: | © 2018 by the Serbian Biological Society. Plesiomonas shigelloides, a Gram-negative bacterium and the causative agent of intestinal diseases and extraintestinal infections in humans and animals, is most frequently found in aquatic environments in tropical or subtropical areas. The present study was designed to establish the prevalence and genetic variability of P. shigelloides in surface waters (lakes, rivers, ponds, inlets and canals) located in a temperate climate zone, namely the Pannonian Plain of the northern part of Serbia and southern part of Hungary. The strains were isolated directly by plating samples on inositol-brilliant green-bile agar with neutral red or phenol red as indicators. Our results indicate that phenol red effectively facilitates differentiation of P. shigelloides from other bacteria. A number of samples were enriched using alkaline peptone water broth, peptone inositolbile broth and tetrathionate broth. The recovery of the isolates was more successful with the first medium. Out of a total of 51 water samples collected from 28 different locations, 22 samples (43.1%) were found positive for P. shigelloides. Among the 37 isolated strains, 34 were from lakes (Šatrinci, Ludaš, Panonija, Krivaja, Pecs, Kapetanski rit, Pavlovci, Kovácsszénája, Dobrodol, Vranjaš, Borkovac, Hermann Ottó, Sot, Šelevrenac, Zobnatica, Palić, Orfüí, Jarkovci, Čonoplja) and 3 were from rivers (Danube, Sava). The strains were identified by phenotypic characteristic or by the VITEK2 system and confirmed by PCR using 23S rRNA species-specific oligos. The strains showed a high genetic variability, displaying a variety of RAPD profiles. Our results reveal for the first time a high prevalence of genetically diverse P. shigelloides populations in surface waters located in the temperate climate of central and southeastern Europe. | URI: | https://open.uns.ac.rs/handle/123456789/19362 | ISSN: | 0354-4664 1821-4339 |
DOI: | 10.2298/ABS170530029P |
Nаlаzi sе u kоlеkciјаmа: | PMF Publikacije/Publications |
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