Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/130968
Title: Genetic diversity of Neisseria gonorrhoeae IB-2 and IB-6 isolates revealed by whole-cell repetitive element sequence-based PCR
Authors: Poh, C.L. 
Ramachandran, V.
Tapsall, J.W.
Issue Date: 1996
Citation: Poh, C.L., Ramachandran, V., Tapsall, J.W. (1996). Genetic diversity of Neisseria gonorrhoeae IB-2 and IB-6 isolates revealed by whole-cell repetitive element sequence-based PCR. Journal of Clinical Microbiology 34 (2) : 292-295. ScholarBank@NUS Repository.
Abstract: Phenotypic characterization of 19 Neisseria gonorrhoeae serovar IB-2 and 8 serovar IB-6 isolates by the combined use of auxotypes, serological characterization, and penicillin susceptibility testing indicated intraserovar genetic diversity. In the present study, we applied whole-cell repetitive element sequence-based PCR (rep-PCR) analysis which allows a rapid assessment of the clonal relationships of IB-2 and IB-6 isolates. DNA templates were prepared by bolling cells harvested directly from plate cultures, eliminating the need for time-consuming phenol extraction. Six different rep-PCR profiles were established among the 19 IB-2 isolates. Rep- PCR typing results had a good correlation with pulsed-field gel electrophoresis patterns. It is slightly less discriminatory than BglII- generated macrorestriction pattern analysis by pulsed-field gel electrophoresis. It is capable of discriminating epidemiologically related from epidemiologically unrelated IB-2 isolates. It should serve as a rapid and useful subtyping tool for epidemiologic investigations in which there is a predominance of major serovar groups.
Source Title: Journal of Clinical Microbiology
URI: http://scholarbank.nus.edu.sg/handle/10635/130968
ISSN: 00951137
Appears in Collections:Staff Publications

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