M Fredriksson-Ahomaa

Summary

Affiliation: University of Munich
Country: Germany

Publications

  1. ncbi Yersinia pseudotuberculosis with limited genetic diversity is a common finding in tonsils of fattening pigs
    Taina Niskanen
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
    J Food Prot 65:540-5. 2002
  2. ncbi Evaluation of a combined culture and PCR method (NMKL-163A) for detection of presumptive pathogenic Yersinia enterocolitica in pork products
    Susanne Thisted Lambertz
    Research and Development Department, National Food Administration, P O Box 622, SE 751 26 Uppsala, Sweden
    J Food Prot 70:335-40. 2007
  3. doi Characterization of Yersinia enterocolitica 4/O:3 isolates from tonsils of Bavarian slaughter pigs
    M Fredriksson-Ahomaa
    Institute of Food Hygiene, Faculty of Veterinary Medicine, Ludwig Maximilians University, Munich, Germany
    Lett Appl Microbiol 50:412-8. 2010
  4. doi Prevalence of pathogenic Yersinia enterocolitica and Yersinia pseudotuberculosis in wild boars in Switzerland
    M Fredriksson-Ahomaa
    Institute of Food Hygiene and Technology, Faculty of Veterinary Medicine, Ludwig Maximilians University, Munich, Germany
    Int J Food Microbiol 135:199-202. 2009
  5. ncbi Prevalence of pathogenic Yersinia enterocolitica in pigs slaughtered at a Swiss abattoir
    Maria Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, Faculty of Veterinary Medicine, Ludwig Maximilian University, Munich, Germany
    Int J Food Microbiol 119:207-12. 2007
  6. ncbi Yersiniosis in zoo marmosets (Callitrix jacchuss) caused by Yersinia enterocolitica 4/O:3
    Maria Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, Ludwig Maximilian University, Munich, Germany
    Vet Microbiol 121:363-7. 2007
  7. ncbi Molecular epidemiology of Yersinia enterocolitica infections
    Maria Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, Ludwig Maximilian University, Munich, Germany
    FEMS Immunol Med Microbiol 47:315-29. 2006
  8. ncbi Sporadic human Yersinia enterocolitica infections caused by bioserotype 4/O : 3 originate mainly from pigs
    Maria Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, Ludwig Maximilian University, Munich, Germany
    J Med Microbiol 55:747-9. 2006
  9. ncbi Different Yersinia enterocolitica 4:O3 genotypes found in pig tonsils in Southern Germany and Finland
    M Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, University of Munich, Germany
    Syst Appl Microbiol 26:132-7. 2003
  10. ncbi Different genotypes of Yersinia enterocolitica 4/O:3 strains widely distributed in butcher shops in the Munich area
    M Fredriksson-Ahomaa
    Faculty of Veterinary Medicine, Institute of Hygiene and Technology of Food of Animal Origin, University of Munich, Schönleutnerstr 8, D 85764 Oberschleissheim, Germany
    Int J Food Microbiol 95:89-94. 2004

Collaborators

Detail Information

Publications21

  1. ncbi Yersinia pseudotuberculosis with limited genetic diversity is a common finding in tonsils of fattening pigs
    Taina Niskanen
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
    J Food Prot 65:540-5. 2002
    ..Three pigs were found to carry more than one genotype. Overall, variations between PFGE patterns were small, indicating genetic homogeneity among pig strains of bioserotype 2/0:3...
  2. ncbi Evaluation of a combined culture and PCR method (NMKL-163A) for detection of presumptive pathogenic Yersinia enterocolitica in pork products
    Susanne Thisted Lambertz
    Research and Development Department, National Food Administration, P O Box 622, SE 751 26 Uppsala, Sweden
    J Food Prot 70:335-40. 2007
    ....
  3. doi Characterization of Yersinia enterocolitica 4/O:3 isolates from tonsils of Bavarian slaughter pigs
    M Fredriksson-Ahomaa
    Institute of Food Hygiene, Faculty of Veterinary Medicine, Ludwig Maximilians University, Munich, Germany
    Lett Appl Microbiol 50:412-8. 2010
    ..A correlation between the genotypes and the resistance patterns was also examined...
  4. doi Prevalence of pathogenic Yersinia enterocolitica and Yersinia pseudotuberculosis in wild boars in Switzerland
    M Fredriksson-Ahomaa
    Institute of Food Hygiene and Technology, Faculty of Veterinary Medicine, Ludwig Maximilians University, Munich, Germany
    Int J Food Microbiol 135:199-202. 2009
    ..This study shows that the prevalence of enteropathogenic Yersinia is high and both enteropathogenic Y. enterocolitica and Y. pseudotuberculosis are common findings in tonsils of wild boars in Switzerland...
  5. ncbi Prevalence of pathogenic Yersinia enterocolitica in pigs slaughtered at a Swiss abattoir
    Maria Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, Faculty of Veterinary Medicine, Ludwig Maximilian University, Munich, Germany
    Int J Food Microbiol 119:207-12. 2007
    ..The isolates of bioserotype 2/O:5,27 differed from the isolates of bioserotypes 2/O:9 and 4/O:3 in resistance to ampicillin and amoxicillin/clavulanic acid...
  6. ncbi Yersiniosis in zoo marmosets (Callitrix jacchuss) caused by Yersinia enterocolitica 4/O:3
    Maria Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, Ludwig Maximilian University, Munich, Germany
    Vet Microbiol 121:363-7. 2007
    ....
  7. ncbi Molecular epidemiology of Yersinia enterocolitica infections
    Maria Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, Ludwig Maximilian University, Munich, Germany
    FEMS Immunol Med Microbiol 47:315-29. 2006
    ..Indistinguishable genotypes have also been found between human strains and dog, cat, sheep and wild rodent strains, indicating that these animals are other possible infection sources for humans...
  8. ncbi Sporadic human Yersinia enterocolitica infections caused by bioserotype 4/O : 3 originate mainly from pigs
    Maria Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, Ludwig Maximilian University, Munich, Germany
    J Med Microbiol 55:747-9. 2006
    ..The indistinguishable genotypes among human and porcine strains together with different genotypes in Finland and Germany indicate that pigs are an important source of sporadic yersiniosis in both countries...
  9. ncbi Different Yersinia enterocolitica 4:O3 genotypes found in pig tonsils in Southern Germany and Finland
    M Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, University of Munich, Germany
    Syst Appl Microbiol 26:132-7. 2003
    ..These results indicate that Y. enterocolitica 4:O3 genotypes have a differential geographical distribution and thus can be used in epidemiological studies...
  10. ncbi Different genotypes of Yersinia enterocolitica 4/O:3 strains widely distributed in butcher shops in the Munich area
    M Fredriksson-Ahomaa
    Faculty of Veterinary Medicine, Institute of Hygiene and Technology of Food of Animal Origin, University of Munich, Schönleutnerstr 8, D 85764 Oberschleissheim, Germany
    Int J Food Microbiol 95:89-94. 2004
    ..In conclusion, raw pork products from butcher shops are frequently contaminated with different genotypes of pathogenic Y. enterocolitica 4/O:3, thus serving as an important transmission vehicle from butcher shops to humans...
  11. ncbi High prevalence of Yersinia enterocolitica 4:O3 on pig offal in southern Germany: a slaughtering technique problem
    M Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, University of Munich, Germany
    Syst Appl Microbiol 24:457-63. 2001
    ..enterocolitica 4:O3 from tonsils to the carcass, and subsequently, to meat...
  12. doi Wild boars as an important reservoir for foodborne pathogens
    Silke Wacheck
    Faculty of Veterinary Medicine, Institute of Food Hygiene and Technology, Ludwig Maximilians University, Munich, Germany
    Foodborne Pathog Dis 7:307-12. 2010
    ..This study shows that wild boars are frequent carriers of foodborne pathogens. High wild boar densities and increasing popularity of outdoor ranging of pigs may intensify the risk of transmission of these pathogens to fattening pigs...
  13. pmc Low occurrence of pathogenic Yersinia enterocolitica in clinical, food, and environmental samples: a methodological problem
    Maria Fredriksson-Ahomaa
    Department of Food and Environmental Hygiene, University of Helsinki, Helsinki, Finland
    Clin Microbiol Rev 16:220-9. 2003
    ..enterocolitica in natural samples is clearly higher with PCR than with culture methods. The methods available for detection of pathogenic Y. enterocolitica in natural samples are reviewed in this article...
  14. ncbi Low prevalence of yadA-positive Yersinia enterocolitica in sows
    Tiina Korte
    Department of Food and Environmental Hygiene, University of Helsinki, Finland
    Foodborne Pathog Dis 1:45-52. 2004
    ..enterocolitica 4/O:3 strains persisting among slaughter swine were demonstrated to be very stable genetically. This study shows that fattening pigs are an important reservoir of different genotypes of Y. enterocolitica 4/O:3 strains...
  15. ncbi Prevalence and characterisation of yadA-positive Yersinia enterocolitica in pig tonsils in 1995 and 1999
    Tiina Korte
    Department of Food and Environmental Hygiene, University of Helsinki, Finland
    Adv Exp Med Biol 529:367-9. 2003
  16. ncbi Molecular epidemiology of Yersinia enterocolitica 4/O:3
    Maria Fredriksson-Ahomaa
    Institute of Hygiene and Technology of Food of Animal Origin, Ludwig Maximilians University, Munich, Germany
    Adv Exp Med Biol 529:295-302. 2003
  17. ncbi Similar Listeria monocytogenes pulsotypes detected in several foods originating from different sources
    Tiina Autio
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
    Int J Food Microbiol 77:83-90. 2002
    ..The existence of similar L. monocytogenes strains in various food products of several producers should be considered if food strain fingerprint results are used to help trace the vehicles for infections...
  18. pmc virF-positive Yersinia pseudotuberculosis and Yersinia enterocolitica found in migratory birds in Sweden
    Taina Niskanen
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, FIN 00014 University of Helsinki, Finland
    Appl Environ Microbiol 69:4670-5. 2003
    ....
  19. ncbi Yersinia pseudotuberculosis in pigs and pig houses in Finland
    Riikka Laukkanen
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
    Adv Exp Med Biol 529:371-3. 2003
  20. ncbi Occurrence of Yersinia pseudotuberculosis in iceberg lettuce and environment
    Taina Niskanen
    Department of Food and Environmental Hygiene, Faculty of Veterinary Medicine, University of Helsinki, Finland
    Adv Exp Med Biol 529:383-5. 2003
  21. ncbi A widespread outbreak of Yersinia pseudotuberculosis O:3 infection from iceberg lettuce
    J Pekka Nuorti
    Department of Infectious Disease Epidemiology, National Public Health Institute, Helsinki, Finland
    J Infect Dis 189:766-74. 2004
    ..In Finland, clinical microbiology laboratories routinely report Y. pseudotuberculosis isolations and submit isolates for serotype analysis. In October 1998, the number of serotype O:3 infections increased markedly...