Application of Delta alpha -glucosidase activity and drug susceptibility tests to epidemiological studies on the fish pathogen Nocardia seriolae

This study determined the minimum inhibitory concentrations (MICs) for oxytetracycline hydrochloride (OTC) and erythromycin (Em), along with the Delta alpha -glucosidase ( Delta alpha -glu) activities in 110 Nocardia seriolae strains isolated in Miyazaki and Kagoshima prefectures in 2008--2009. The...

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Bibliographic Details
Published in:Fisheries science 2010-02, Vol.74 (6), p.113-118
Main Authors: Ismail, Tamer Fawzy, Takeshita, Akira, Umeda, Naoko, Itami, Toshiaki, Yoshida, Terutoyo
Format: Article
Language:English
Subjects:
Nocardia seriolae
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Summary:This study determined the minimum inhibitory concentrations (MICs) for oxytetracycline hydrochloride (OTC) and erythromycin (Em), along with the Delta alpha -glucosidase ( Delta alpha -glu) activities in 110 Nocardia seriolae strains isolated in Miyazaki and Kagoshima prefectures in 2008--2009. The strains were examined for the presence of the tet(K), tet(L), tet(M), tet(O), tet(S), erm(A), erm(B), mph(A), mef(A), and msr(D) genes. All the Delta alpha -glu-positive strains (n = 15) were OTC resistant and Em sensitive, with MICs of 32--64 and 128 Delta is a subset of g/ml. The MICs for Em in the remaining 2 Delta alpha -glu-negative strains were
ISSN:0919-9268
DOI:10.1007/s12562-010-0302-y