PMID: 15389003Sep 25, 2004Paper

Auxo-, sero-, and opa-typing of Neisseria gonorrhoeae strains isolated in Istanbul, Turkey

Sexually Transmitted Diseases
Derya AydinGülseren Aktaş

Abstract

Typing methods are essential in understanding of the transmission dynamics of Neisseria gonorrhoeae. Several typing methods were described including opa-typing. The goal of this study was to type all of the strains we isolated in the recent past by using auxo-, sero-, and opa-typing, and to compare the discriminatory power of these methods. Auxotyping, serotyping, and opa-typing were performed for 56 N. gonorrhoeae strains isolated from male patients with urethritis. A total of 9 auxotypes and 33 serovars were detected. Combining the 2 systems, a total of 45 distinct auxotype/serovar (A/S) classes were identified. The most common A/S class was NR/Bsty (5 strains). Fifty-five distinct patterns were detected by opa-typing. Two strains that have been isolated 16 months apart gave identical patterns with opa-typing and their A/S class was also identical (NR/Bsty). Simpson's index of diversity was found as 0.664, 0.961, 0.987, and 0.999 for auxotyping, serotyping, A/S class, and opa-typing, respectively. Opa-typing is a potential useful method for typing N. gonorrhoeae as a result of its high discriminatory power, rapidity, ease and relatively lower cost.

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Citations

Aug 16, 2008·Journal of Huazhong University of Science and Technology. Medical Sciences = Hua Zhong Ke Ji Da Xue Xue Bao. Yi Xue Ying De Wen Ban = Huazhong Keji Daxue Xuebao. Yixue Yingdewen Ban·Hongxiang ChenJiawen Li
Feb 16, 2012·Infection, Genetics and Evolution : Journal of Molecular Epidemiology and Evolutionary Genetics in Infectious Diseases·Anastasiya V KushnirMaxim L Filipenko

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