Haemophilus ducreyi bacteria

Haemophilus ducreyi bacteria

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Credit: CNRI/SCIENCE PHOTO LIBRARY

Caption: False-colour transmission electron micrograph (TEM) of Haemophilus ducreyi, the bacterial species causing the sexually-transmitted disease chancroid (a soft sore occurring on mucous membranes of genitals). Individual bacterium are rod-like, Gram- negative, aerobic & non-motile. They grow only in presence of certain factors in the blood (or in presence of certain co-enzymes): they are cultured on fresh blood agar in the laboratory. Chancroid also results in enlargement & ulceration of lymph nodes in groin: treatment is with sulphonamide drugs (septrin) or antibiotics (chloramphenicol). Magnification: X 2,900 at 35mm size.

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Keywords: bacteria, bacteria causing, bacterial, bacteriology, bacterium, chancroid, electron micrograph, haemophilus ducreyi, micro-organisms, microbe, microbes, microbiology, sexually transmitted disease, soft sore, tem, transmission, venereal disease

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