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作者测定和比较了140株肠道外感染的大肠杆菌和35株正常大肠杆菌的P菌毛出现频率、产溶血素的能力与感染部位的关系。结果表明,P菌毛和产溶血素是致肾孟肾炎的大肠杆菌的毒力因子标志之一;引起膀胱炎和胆道感染的大肠杆菌与肠道正常菌丛有关。
The authors measured and compared the frequency of P-pilus and the ability of hemolysin production in 140 strains of Escherichia coli and 35 normal Escherichia coli infected with parenteral infection and their relationship to the site of infection. The results showed that P-pilus and hemolysin were one of the virulence markers of E. coli causing renal-mesangial nephritis. Escherichia coli causing cystitis and biliary tract infection were associated with normal intestinal microflora.