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Two Japanese Corynebacterium ulcerans isolates from the same hospital: ribotype, toxigenicity and serum antitoxin titre

T. Komiya, Y. Seto, A. De Zoysa, M. Iwaki, A. Hatanaka, A. Tsunoda, Y. Arakawa, S. Kozaki, M. Takahashi
2010 Journal of Medical Microbiology  

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Two toxigenic Corynebacterium ulcerans isolates recovered from pharyngeal swabs of two patients from the same hospital in Japan during 2001-2002 were characterized by PFGE and ribotyping. Toxin production in different culture media was examined and serological analysis of patient sera was performed. The two isolates could not be distinguished by PFGE; however, their ribotypes were distinguishable. One of the isolates could represent a novel ribotype. Analysis of toxin production in different
more » ... ture media demonstrated that the two isolates produced varying amounts of the diphtheria toxin. Serological analysis showed a greater than sevenfold increase in the serum antitoxin titre during the course of infection in one patient.
doi:10.1099/jmm.0.022491-0 pmid:20813850 fatcat:anf7weawojhfnijxgk5itpnydu
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T. Komiya, Y. Seto, A. De Zoysa, M. Iwaki, A. Hatanaka, A. Tsunoda, Y. Arakawa, S. Kozaki, M. Takahashi. "Two Japanese Corynebacterium ulcerans isolates from the same hospital: ribotype, toxigenicity and serum antitoxin titre." Journal of Medical Microbiology 59.12 (2010) 1497-1504