Cardiobacterium
Cardiobacterium
Cardiobacterium (/ˌkɑːrdioʊbækˈtɪəriəm/) is a genus of Gram-negative bacteria that are usually found in the human mouth and upper respiratory tract. They are part of the HACEK group of organisms, which are a common cause of infective endocarditis.
Etymology
The term "Cardiobacterium" is derived from the Greek words kardia, meaning heart, and bakterion, meaning small rod. This is in reference to the bacterium's ability to infect the heart and its rod-like shape.
Characteristics
Cardiobacterium are anaerobic bacteria, meaning they can survive in environments with little to no oxygen. They are also catalase-negative and oxidase-positive. The most well-known species in this genus is Cardiobacterium hominis, which is a common cause of infective endocarditis.
Related Terms
- Gram-negative bacteria: A group of bacteria that do not retain the crystal violet stain used in the Gram staining method of bacterial differentiation.
- HACEK: An acronym for a group of fastidious Gram-negative bacteria that are a common cause of infective endocarditis.
- Infective endocarditis: An infection of the inner lining of the heart, usually caused by bacteria.
- Anaerobic bacteria: Bacteria that can survive in environments with little to no oxygen.
- Catalase: An enzyme that catalyzes the reduction of hydrogen peroxide.
- Oxidase: An enzyme that promotes the transfer of a hydrogen atom from a particular substrate to an oxygen molecule.
- Cardiobacterium hominis: A species of Cardiobacterium that is a common cause of infective endocarditis.
External links
- Medical encyclopedia article on Cardiobacterium
- Wikipedia's article - Cardiobacterium
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