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Escherichia coli O157:H7 productrices de vérotoxines en état de survie dans des conditions d'inanition : perte du pouvoir antigénique O157 O.

Loss of O157 O antigenicity of verotoxin-producing Escherichia coli O157:H7 surviving under starvation conditions.

Auteurs : HARA-KUDO Y., MIYAHARA M., KUMAGAI S.

Type d'article : Article

Résumé

Verotoxin (VT)-producing Escherichia coli O157:H7 was culturable on agar media after being left in water for 21 months. However, there were a number of colonies which had lost O157 O antigenicity. These colonies produced VTs, which are pathogenic to humans. These observations suggest that the immunologic method based on O157 O antigenicity are unable to detect and isolate VT-producing E. coli in foods and other environments if the organism has been under starvation conditions for a long period.

Détails

  • Titre original : Loss of O157 O antigenicity of verotoxin-producing Escherichia coli O157:H7 surviving under starvation conditions.
  • Identifiant de la fiche : 2002-0187
  • Langues : Anglais
  • Source : Appl. environ. Microbiol. - vol. 66 - n. 12
  • Date d'édition : 12/2000

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