Acta Veterinaria Hungarica
Volume/Issue:
Volume 51: Issue 2
Integron content of Salmonella enterica serotype Typhimurium strains isolated in Hungary in the years 1997-1999
Authors:
I. Gadó B. Johan National Center for Epidemiology Gyáli út 2-6, H-1097 Budapest, Hungary

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Judit Pászti B. Johan National Center for Epidemiology Gyáli út 2-6, H-1097 Budapest, Hungary

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Margit Király National Center for Epidemiology 'B. Johan' H-1966 Budapest, P.O. Box 64, Hungary

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Melinda Jakab B. Johan National Center for Epidemiology Gyáli út 2-6, H-1097 Budapest, Hungary

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Pages:
121–135
Online Publication Date:
22 Jul 2005
Publication Date:
01 Mar 2003
Article Category:
Journal Article
DOI:
https://doi.org/10.1556/avet.51.2003.2.1
Keywords:
PCR; PCR; PCR; Typhimurium; phage type; DT104; integron pattern; instability
Restricted access

The integron content of 52 DT104/U302 phage type strains and 53 non-DT104/U302 strains of Salmonella enterica serotype Typhimurium (S. Typhimurium) was studied in PCR experiments using a 5'-CS/3'-CS primer pair (Lévesque et al., 1995). Forty-three out of 44 streptomycin- and/or ampicillin-resistant DT104 and related phage type strains were found to carry a 1 kb and/or 1.2 kb long integron. The other resistance markers did not affect the number and size of integrons; no integron-free multidrug-resistant (MDR) DT104 strains were found. The two large groups of DT104 strains (Felix-Callow's phage types 2 and 2c) proved to be identical in respect of integron patterns (IPs), supporting the views of those authors who consider DT104 a single clone. Strains of human and animal origin did not differ from each other in their IPs. Within the non-DT104 phage types, ampicillin- and/or streptomycin-resistant, integron-free MDR strains were also found. Based on amplicons varying between 290 and 3500 bp an IP system was suggested. The commonest amplicon sizes in non-DT104 strains were 1450 and 2050 bp. The IPs of DT104 strains and of non-DT104 strains containing an integron of 1 and 1.2 kb size were stable. In contrast, the IPs of other non-DT104 strains showed a varying degree of instability. Integron loss was frequently associated with spontaneous plasmid elimination and changes of R-type among the descendants of a given strain.

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Cover Acta Veterinaria Hungarica
Acta Veterinaria Hungarica
Print ISSN:
0236-6290
Online ISSN:
1588-2705

Senior editors

Editor-in-Chief: Ferenc BASKA

Editorial assistant: Szilvia PÁLINKÁS

 

Editorial Board

  • Mária BENKŐ (Acta Veterinaria Hungarica, Budapest, Hungary)
  • Gábor BODÓ (University of Veterinary Medicine, Budapest, Hungary)
  • Béla DÉNES (University of Veterinary Medicine, Budapest Hungary)
  • Edit ESZTERBAUER (Veterinary Medical Research Institute, Budapest, Hungary)
  • Hedvig FÉBEL (University of Veterinary Medicine, Budapest, Hungary)
  • László FODOR (University of Veterinary Medicine, Budapest, Hungary)
  • János GÁL (University of Veterinary Medicine, Budapest, Hungary)
  • Balázs HARRACH (Veterinary Medical Research Institute, Budapest, Hungary)
  • Peter MASSÁNYI (Slovak University of Agriculture in Nitra, Nitra, Slovak Republic)
  • Béla NAGY (Veterinary Medical Research Institute, Budapest, Hungary)
  • Tibor NÉMETH (University of Veterinary Medicine, Budapest, Hungary)
  • Zsuzsanna NEOGRÁDY (University of Veterinary Medicine, Budapest, Hungary)
  • Dušan PALIĆ (Ludwig Maximilian University, Munich, Germany)
  • Alessandra PELAGALLI (University of Naples Federico II, Naples, Italy)
  • Kurt PFISTER (Ludwig-Maximilians-University of Munich, Munich, Germany)
  • László SOLTI (University of Veterinary Medicine, Budapest, Hungary)
  • József SZABÓ (University of Veterinary Medicine, Budapest, Hungary)
  • Péter VAJDOVICH (University of Veterinary Medicine, Budapest, Hungary)
  • János VARGA (University of Veterinary Medicine, Budapest, Hungary)
  • Štefan VILČEK (University of Veterinary Medicine in Kosice, Kosice, Slovak Republic)
  • Károly VÖRÖS (University of Veterinary Medicine, Budapest, Hungary)
  • Herbert WEISSENBÖCK (University of Veterinary Medicine, Vienna, Austria)
  • Attila ZSARNOVSZKY (Szent István University, Gödöllő, Hungary)

ACTA VETERINARIA HUNGARICA

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Phone: (36 20) 560 4183 (ed.-in-chief) or (36 1) 478 4100/8430 (editor)

E-mail: acta.veterinaria@univet.hu (ed.-in-chief)

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Journal Impact Factor 0.7
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Acta Veterinaria Hungarica
Language English
Size A4
Year of
Foundation		 1951
Volumes
per Year		 1
Issues
per Year		 4
Founder Magyar Tudományos Akadémia
Founder's
Address		 H-1051 Budapest, Hungary, Széchenyi István tér 9.
Publisher Akadémiai Kiadó
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-6290 (Print)
ISSN 1588-2705 (Online)

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