The antigenicity of a hemolysin (Vp-TRH: Vp-TDH related hemolysin) produced by Kanagawa phenomenon-negative clinical isolates of Vibrio parahaemolyticus was studied using monoclonal antibodies (MAbs). A total of 12 hybridoma clones which produced MAbs against Vp-TRH were established. All MAbs contained the Kappa light chain and were IgG type. These MAbs were divided into a minimum of 5 different specificity groups, including antibodies specific to Vp-TRH and common to both Vp-TRH and Vp-TDH, a possible pathogenic toxin of Kanagawa phenomenon-positive V. parahaemolyticus. These results clearly show the immunological similarity and dissimilarity (specificity) of Vp-TRH and Vp-TDH.
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Honda et al. (1990) studied this question.
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