Coccobacillus: Difference between revisions
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''[[Coxiella burnetti]]'' is also a coccobacillus.<ref name="urlpersistent rickettsial disease">{{cite web |url=http://www.addl.purdue.edu/newsletters/2004/spring/qfever.htm |title=persistent rickettsial disease |work= |accessdate=}}</ref> Bacteria from the ''[[Brucella]]'' genus 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.<ref> Schaetchter's Mechanisms of Microbial Disease 4th Edition. ISBN 0-7817-5342-2</ref> |
''[[Coxiella burnetti]]'' is also a coccobacillus.<ref name="urlpersistent rickettsial disease">{{cite web |url=http://www.addl.purdue.edu/newsletters/2004/spring/qfever.htm |title=persistent rickettsial disease |work= |accessdate=}}</ref> Bacteria from the ''[[Brucella]]'' genus 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.<ref> Schaetchter's Mechanisms of Microbial Disease 4th Edition. ISBN 0-7817-5342-2</ref> |
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''Pasteurellae'' are small, nonmotile, Gram-negative coccobacilli often exhibiting bipolar staining. In cattle, they cause life-threatening pneumonia. They are non-pathogenic for cats and dogs, as they are part of the normal nasopharyngeal flora. In humans, they cause chronic abscesses on the extremities or face following cat/dog bites.<ref>Collins FM. Pasteurella, Yersinia, and Francisella. In: Baron S, editor. Medical Microbiology. 4th edition. Galveston (TX): University of Texas Medical Branch at Galveston; 1996. Chapter 29. Available from: https://www.ncbi.nlm.nih.gov/books/NBK7798/ |
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==References== |
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Revision as of 20:17, 7 April 2017
A coccobacillus (plural coccobacilli) is a type of bacterium with a shape intermediate between cocci (spherical bacteria) and bacilli (rod-shaped bacteria).[1] Coccobacilli, then, are very short rods which may be mistaken for cocci. 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.
Coxiella burnetti is also a coccobacillus.[2] Bacteria from the Brucella genus 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]
Pasteurellae are small, nonmotile, Gram-negative coccobacilli often exhibiting bipolar staining. In cattle, they cause life-threatening pneumonia. They are non-pathogenic for cats and dogs, as they are part of the normal nasopharyngeal flora. In humans, they cause chronic abscesses on the extremities or face following cat/dog bites.[4]
References
- ^ "Dorlands Medical Dictionary:coccobacillus".
- ^ "persistent rickettsial disease".
- ^ Schaetchter's Mechanisms of Microbial Disease 4th Edition. ISBN 0-7817-5342-2
- ^ Collins FM. Pasteurella, Yersinia, and Francisella. In: Baron S, editor. Medical Microbiology. 4th edition. Galveston (TX): University of Texas Medical Branch at Galveston; 1996. Chapter 29. Available from: https://www.ncbi.nlm.nih.gov/books/NBK7798/
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