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Cardiobacterium hominis

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Definition

Noun

A gram-negative fastidious aerobic rod bacterium that normally thrives in the respiratory tract involved in the local infection of the mouth and heart valve endocarditis in humans.

Supplement

Cardiobacterium hominis belong to the HACEK group of bacterium that is normally resides in the mouth and upper portion of respiratory tract including throat and nose.

Cardiobacterium hominis is an oxidase positive and catalase negative that able to produce indole. It has a classical morphology as highly pleomorphic and irregularly staining.

Cardiobacterium hominis is rarely implicated to cause endocarditis in the heart valves. It is sensitive to penicillin and its derivatives including ampicillin. It is also susceptible in fluoroquinolones, aztreonam and trimethoprim-sulfamethoxazole while it is often resistant to erythromycin.

Scientific Classification:

 Kingdom: Bacteria
 Phylum: Proteobacteria
 Class: Gammaproteobacteria
 Order: Cardiobacteriales
 Family: Cardiobacteriaceae
 Genus: Cardiobacterium
 Species: Cardiobacterium hominis

See also:

• Bacterium

• Endocarditis