The PF is superantigen and it is secreted into liquid culture by E. coli.

渗透因子是一种超抗原，存在于液体培养菌液中。

Conclusion Melanosis coli is inflammation,benign,reversibility chromatosis as characteristic,the disease is related to taking anthracene for long time constipation.

结论结肠黑变是结肠一种非炎症性、良性、可逆性以色素沉征变,该生与长期便秘服用蒽琨类泻剂有关。

Colistin is active against most strains of gram negative bacteria including P. aeruginosa, E. coli, K. pneumoniae, Aerobacter.

多粘菌素是最积极反对株革兰氏阴性菌包括绿脓杆菌，大肠杆菌，肺炎克雷伯菌 ， 产气。

In 1996 a serious foodborne illness due to Escherichia coli O157:H7 (a bacteria) was traced to drinking contaminated unpasteurized apple juice.

1996年一种严重大肠杆菌O157:H7（一种细菌）引起食源性疾被追踪到起因是饮用了被污染且未经消毒苹果汁。