The API ZYM system in the identification of Gram-negative anaerobes.

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The API ZYM system in the identification of Gram-negative anaerobes.

The API ZYM reactions of type species of Gram-negative anaerobes representative of those encountered in human infections and of 56 clinical isolates of such organisms, identified by conventional techniques, were investigated. The API ZYM test clearly distinguished between the different genera and species examined and appears to provide a simple, reliable method for the identification of this gr...

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Enzymatic characterization of some oral and nonoral gram-negative bacteria with the API ZYM system.

The API ZYM system (Analytab Products, Plainview, N.Y.), containing 19 chromogenic substrates, was utilized semiquantitatively to detect extracellular acid and alkaline phosphatases, aminopeptidases, proteases, esterase-lipase, phosphoamidase, and glycosidases in 128 oral and nonoral isolates of black-pigmented Bacteroides, Actinobacillus, Haemophilus aphrophilus, Capnocytophaga, Fusobacterium ...

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API ZYM and API An-Ident reactions of fastidious oral gram-negative species.

API ZYM and API An-Ident enzymatic substrate tests were done on six oral species which are difficult to characterize with conventional biochemical tests. "Bacteroides forsythus, the "fusiform" Bacteroides species (A. C. R. Tanner, M. A. Listgarten, M. N. Strzempko, and J. L. Ebersole, manuscript in preparation), is difficult to cultivate in broth media, yet it gave 15 positive tests in these se...

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Use of the API-ZYM system in rapid identification of alpha and non-haemolytic streptococci.

The API-ZYM method of detecting enzymes was tested using 99 streptococci isolated from clinical material and 14 type species obtained from the National Collection of Type Cultures. We found the method easy and reliable. The results obtained indicate that this method could be a useful identification system in busy routine clinical laboratories.

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Evaluation of the API 20E system for identification of nonfermentative Gram-negative bacteria.

The API 20E system for Enterobacteriaceae, recently broadened to include identification of nonfermentative gram-negative bacteria, was evaluated and compared with the conventional method for complete identification of 221 nonfermenters, which were well distributed into 48 species or biotypes and included organisms not listed in the API 20E data base. The results of 16 tests common to both syste...

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ژورنال

عنوان ژورنال: Journal of Clinical Pathology

سال: 1977

ISSN: 0021-9746

DOI: 10.1136/jcp.30.6.505