腸管毒血症性大腸菌O群139のHEp‐2細胞への付着

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タイトル別名
  • Adherence to HEp-2 Cells of Enterotoxemic Escherichia coli O-group 139 from Pigs with Edema Disease.
  • チョウカン ドクケッショウセイ ダイチョウキン Oグン 139 ノ HEp-2

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One hundred and one strains of enterotoxemic Escherichia coli (ETEEC) O-group 139 isolated from swine with edema disease were investigated for their adherence to HEp-2 cells in the presence of D-mannose. All strains adhered in large numbers to the cells (21 to 60 bacteria/cell). No correlation was found between the presence of F107 fimbria on the organisms and the adherence to the cells. Adhesion-inhibition tests showed that anti-K12 serum inhibited the adhesion ETEEC O-group 139 (an inhibition rate of 63 to 65%), but anti-F107 or anti-O139 sera did not. These results indicate that the capsular K12 antigen may be one of the pathogenic factors of ETEEC O-group 139.

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