Jpn.J.Infect.Dis., 52, 124-126, 1999

Short Communication

Additional O Antigens of Vibrio fluvialis and Vibrio furnissii

Toshio Shimada*, Eiji Arakawa, Tadayuki Okitsu¹, Shiro Yamai¹,
Shigeru Matsushita², Yasuo Kudoh³ and Noboru Okamura⁴

Laboratory of Enteric Infection1, National Institute of Infectious
Diseases, Toyama1-23-1, Shinjuku-ku, Tokyo 162-8640, ¹Kanagawa
Prefectural Public Health Laboratory, 1-1-1 Nakao-cho, Asahi-ku, Yokohama 241-0815, ²Tokyo Metropolitan Research Laboratory of Public Health, 3-24-1, Hyakunin-cho, Shinjuku-ku, Tokyo 169-0078, ³Kyorin University, 476 Miyasita-cho, Hachiouji-shi, Tokyo 192-0005 and ⁴Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo 113-0034, Japan

(Received June 4, 1999. Accepted June 23, 1999)

SUMMARY: A total of 297 strains of Vibrio fluvialis and Vibrio furnissii, which were collected from various countries for the past 15-year period of 1984-1998, were serogrouped. Of those examined, 239 strains of V.fluvialis and V.furnissii were classified into 29 known O serogroups; 9 strains were found to belong to R-form cultures, and the rest of the 49 strains could not be serogrouped. Of those serologically untypable strains, 26 novel O serogroups (O36 to O61) were established and added to our reference of the V.fluvialis and V.furnissii antigenic scheme. As all antisera against the O reference strains of the organisms contained some amount of antibody to the rough (R) antigen, all diagnostic O antisera were absorbed with the reference rough strain, V.fluvialis GF25.

*Corresponding author: E-mail: vibriots@nih.go.jp, Fax: +81-3-5285-1163

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