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Izolacija in genotipizacija bakterije Salmonella enterica iz plazilcev v ujetništvu
ID Farkaš, Metka (Author), ID Ambrožič, Jerneja (Mentor) More about this mentor... This link opens in a new window, ID Turk, Martina (Comentor)

URLURL - Presentation file, Visit http://pefprints.pef.uni-lj.si/3852/ This link opens in a new window

Abstract
Plazilci so v zadnjih letih vse bolj priljubljeni hišni ljubljenčki, pogosto pa se uporabljajo kot učni pripomoček v šolah. Velikokrat se omenjajo kot možni prenašalci salmonele, zato je pri delu z njimi potrebna previdnost in ustrezna higiena. Pri plazilcih zajetih v raziskavo smo salmonelo potrdili pri 42,4% živali. Največ okuženih je bilo kuščarjev (58,8%), sledile so kače (42,9%), pri želvah salmonele nismo identificirali. Večina izolatov je pripadala vrsti Salmonella enterica subsp. enterica, v štirih primerih smo izolirali bakterijo Salmonella enterica subsp. arizonae. Izmed vseh sevov je bilo 33,3% takšnih, ki so bili odporni proti izbranim protimikrobnim učinkovinam. Največkrat proti streptomicinu. Preverili smo tudi prisotnost genov za beta-laktamaze iz skupine CTX-M za odpornost proti kinolonom (qnr). Čeprav sta bila dva izolata odporna proti ampicilinu, nismo potrdili prisotnosti genov blaCTX-M in genov skupine qnr. Pri salmonelah iz plazilcev smo potrdili prisotnost genov za virulentne dejavnike (invA, spoB, sifA, spvC), od tega največkrat invA (92,3%). Veliko izolatov je vsebovalo dva ali tri testirane gene za virulentne dejavnike. Zaradi prisotnosti virulentnih dejavnikov so salmonele lahko potencialno patogene za ljudi. Da preprečimo prenos salmonele, moramo paziti na ustrezno higieno rok in opreme za plazilce. Poleg tega pa se odsvetuje stik s plazilci mlajšim otrokom, osebam z oslabljenim imunskim sistemom in starejšim osebam.

Language:Slovenian
Keywords:plazilci
Work type:Undergraduate thesis
Typology:2.11 - Undergraduate Thesis
Organization:PEF - Faculty of Education
Year:2016
PID:20.500.12556/RUL-86014 This link opens in a new window
COBISS.SI-ID:11206985 This link opens in a new window
Publication date in RUL:19.09.2017
Views:2588
Downloads:328
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Secondary language

Language:English
Title:Isolation and genotypisation of Salmonella enterica from captive reptiles
Abstract:
Reptiles are becoming increasingly popular in recent years as pets, and they are often used as a teaching aid in schools. They are often cited as potential carriers of salmonella, so working with them requires caution and proper hygiene. In surveyed reptiles salmonella was confirmed in 42.4% of the animals. The most infected were lizards (58.8%), followed by snakes (42.9%), while in turtles they were not identified. Most of the isolates belonged to Salmonella enterica subsp. enterica, in four cases Salmonella enterica subsp. arizonae was isolated. Thirty-three percent of salmonella strains were resistant against the tested antimicrobials, majority to streptomicin. We also verified the presence of genes for beta-lactamases and quinolone resistance genes (qnr). Although there were two isolates resistant to ampicillin, we did not confirm the presence of bla genes and qnr genes. In salmonella strains from reptiles we also confirmed the presence of genes for virulence factors (invA, spoB, sifA, spvC), of which 92.3% strains contained invA. The majority of strains contained two or three of the tested genes for virulence factors. Due to the presence of virulence factors salmonella strains from reptiles are potentially pathogenic for humans. To prevent transmission of salmonella, we must pay attention to proper hand hygiene and equipment for reptile handling. Moreover, young children, people with weakened immune systems and the elderly should avoid all contact with reptiles.

Keywords:reptiles

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