Coccobacillus

A coccobacillus (plural coccobacilli), or bacilluscocco, is a type of bacterium with a shape intermediate between cocci (spherical bacteria) and bacilli (rod-shaped bacteria). Coccobacilli, then, are very short rods which may be mistaken for cocci.[1]

Coxiella burnetii

Haemophilus influenzae, Gardnerella vaginalis, and Chlamydia trachomatis are coccobacilli. Aggregatibacter actinomycetemcomitans is a Gram-negative coccobacillus prevalent in subgingival plaques. Acinetobacter strains may grow on solid media as coccobacilli. Bordetella pertussis is a Gram-negative coccobacillus responsible for causing whooping cough. Yersinia pestis, the bacteria that causes plague, is also coccobacillus.

Coxiella burnetti is also a coccobacillus.[2] Bacteria from the genus Brucella are medically important coccobacilli that cause brucellosis. Haemophilus ducreyi, another medically important Gram-negative coccobacillus, is observed in sexually transmitted disease, chancroid, of Third World countries.[3]

References
  1. https://microbeonline.com/gram-negative-cocci-coccobacilli-medical-significance-list-bacteria-diseases/
  2. "persistent rickettsial disease".
  3. Schaetchter's Mechanisms of Microbial Disease 4th Edition. ISBN 0-7817-5342-2


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