Phenotypic and genetic characteristics of Pseudomonas cocovenenans NCIB 9450T (T = type strain) and strains isolated from cases of food poisoning caused by consumption of fermented corn flour are compared. Our results show that these strains are members of the same species and conform to the description of Section I1 of the genus Pseudomonas. Because of small differences in substrate utilization patterns, the strains isolated in the People's Republic of China are thought to be biovars of P . cocovenenans.

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