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J Clin Microbiol. 1976 February; 3(2): 161-171

Evaluation of simplified dichotomous schemata for the identification of anaerobic bacteria from clinical material.

ABSTRACT

Simplified dichotomous schemata are described for the identification of anaerobic bacteria commonly encountered in clinical material. The procedures used are combinations of routine biochemical tests and techniques that are used to uniformly characterize these organisms. Over 200 anaerobic organisms were used in a three-stage evaluation in which data were compared with those obtained by conventional methods. When there was inconsistency between the biochemical tests described in the presumptive identification schemes and gas-liquid chromatography, additional biochemical tests or reference procedures were used to confirm identification. Strains from the American Type Culture Collection and the Center for Disease Control, as well as recent clinical isolates, were included in this evaluation. The results show the simplified procedures to be useful for the identification of anaerobic isolates from clinical material.