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Related Experiment Videos

Probable Campylobacter fetus subsp. fetus gastroenteritis.

S M Harvey, J R Greenwood

    Journal of Clinical Microbiology
    |November 1, 1983
    PubMed
    Summary

    Three Campylobacter fetus subsp. fetus strains from gastroenteritis cases were identified using DNA-DNA hybridization and biochemical tests. These C. fetus strains are cephalothin-susceptible, potentially missed by standard laboratory media.

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    Area of Science:

    • Microbiology
    • Infectious Diseases
    • Bacteriology

    Background:

    • Campylobacter fetus subsp. fetus is a recognized cause of bacterial infections.
    • Accurate identification of bacterial isolates is crucial for effective treatment and epidemiological tracking.

    Purpose of the Study:

    • To report the identification and characterization of three C. fetus subsp. fetus strains isolated from human gastroenteritis cases.
    • To highlight the importance of specific diagnostic methods for C. fetus identification.

    Main Methods:

    • Isolation of bacterial strains from gastroenteritis patient samples.
    • Biochemical testing for bacterial characterization.
    • DNA-DNA hybridization for precise species identification.
    • Growth temperature analysis (42°C) as a key identifier.

    Main Results:

    • Three strains were confirmed as Campylobacter fetus subsp. fetus.
    • All identified strains exhibited growth at 42°C, a characteristic of C. fetus.
    • The isolates were found to be susceptible to cephalothin.

    Conclusions:

    • The study confirms the presence of C. fetus subsp. fetus in gastroenteritis cases.
    • Cephalothin susceptibility in C. fetus may lead to underdetection in laboratories using selective media containing this antibiotic.
    • Emphasizes the need for appropriate diagnostic approaches to ensure accurate Campylobacter identification.

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