Further characterization of Bacteroides endodontalis, an asaccharolytic black-pigmented Bacteroides species from the oral S cavity | Zendy

A.J. van Winkelhoff | Zendy; T J van Steenbergen | Zendy; N. Kippuw | Zendy; J. de Graaff | Zendy

Open Access

Further characterization of Bacteroides endodontalis, an asaccharolytic black-pigmented Bacteroides species from the oral S cavity

Author(s) -

A.J. van Winkelhoff,

T J van Steenbergen,

N. Kippuw,

J. de Graaff

Publication year - 1985

Publication title -

journal of clinical microbiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.349

H-Index - 255

eISSN - 1070-633X

pISSN - 0095-1137

DOI - 10.1128/jcm.22.1.75-79.1985

Subject(s) - microbiology and biotechnology , bacteroides , biology , isolation (microbiology) , bacteroidaceae , trypsin , hemagglutination , sudan black b , bacteria , biochemistry , virology , enzyme , virus , genetics , staining

In this study, the isolation, characterization, and identification of Bacteroides endodontalis is described. It was found that this asaccharolytic black-pigmented Bacteroides species is associated with infected dental root canals and oral submucous abscesses. B. endodontalis could be differentiated from B. gingivalis by a negative direct hemagglutination test and the absence of trypsin and N-acetyl-beta-glucosamidase. B. endodontalis could be differentiated from B. asaccharolyticus by the absence of alpha-fucosidase, its inability to grow in an atmosphere of 95% N2-5% H2, and a growth requirement for menadione. Immune serum raised against B. endodontalis strain HG 370T agglutinated only B. endodontalis cells. Precautions for the isolation of B. endodontalis are discussed.

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