大肠杆菌 (E Coli, Escherichia colD) 大肠埃希氏菌,更习惯称为大肠杆菌 including: Total coliforms:总大肠菌 Fecal coliform:粪大肠菌
大肠杆菌 （E Coli，Escherichia coli） 大肠埃希氏菌，更习惯称为大肠杆菌 including： Total coliforms: 总大肠菌 Fecal coliform : 粪大肠菌
E Coli: Normale coli 人及各种动物肠道中的正常寄居菌 一旦检出大肠杆菌,即意味着直接或间接地被粪 便污染 It is used to indicate whether other potentially harmful bacteria may be present Pathogenic E co∥ cause intestinal diseases -diarrhea, vomiting
E Coli： Normal E coli • 人及各种动物肠道中的正常寄居菌； • 一旦检出大肠杆菌，即意味着直接或间接地被粪 便污染； • It is used to indicate whether other potentially harmful bacteria may be present 。 Pathogenic E coli • cause intestinal diseases - diarrhea, vomiting
Normal E coli 物 a'a De Left: Escherichia coli cells Right: E coli colonies on EMBAgar EMB(伊红美蓝琼脂, Eosin-Methylene blue agar)
Left: Escherichia coli cells. Right: E.coli colonies on EMB Agar EMB (伊红美蓝琼脂, Eosin-Methylene Blue Agar ) Normal E coli
Pathogenic E coli Enterohemorrhagic E Col(EHEC) 肠出血性大肠杆菌 E CoiO157:H7 (O157型大肠杆菌) a deadly strain of intestinal bacterium severe bloody diarrhea vomiting abdominal cramps ② Dennis kunkel
Pathogenic E coli Enterohemorrhagic E. coli (EHEC) 肠出血性大肠杆菌 E Coli O157:H7 (O157型大肠杆菌) • a deadly strain of intestinal bacterium • severe bloody diarrhea • vomiting • abdominal cramps
0157型大肠杆菌 肠道传染病爆发事例 (1)2000 in Walkerton, Ontario in Canada more than 1, 000 people ill and 7 of them killed town's well water was contaminated disinfection system was broken 加拿大爆发了有史以来最严重的大肠杆菌感染 (2)1998 in Atlanta, USA hundreds of children were exposed to E. coli after playing in a water park near two died and another 24 became il
O157型大肠杆菌 肠道传染病爆发事例: (1) 2000 in Walkerton, Ontario in Canada – more than 1,000 people ill and 7 of them killed – town’s well water was contaminated – disinfection system was broken 加拿大爆发了有史以来最严重的大肠杆菌感染 (2) 1998 in Atlanta, USA – hundreds of children were exposed to E. coli after playing in a water park – near two died and another 24 became ill