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Cardiobacterium valvarumRANK: SpeciesTAXONOMY: Bacteria -> Proteobacteria -> Gammaproteobacteria -> Cardiobacteriales -> Cardiobacteriaceae -> Cardiobacterium -> Cardiobacterium valvarum OVERVIEW: Cardiobacterium valvarum is a newly described HACEK organism causing endocarditis. Gram stain, and growth characteristics. Isolates of C. valvarum show optimal growth by day 3 under standard 5% CO2 incubation conditions on 5% sheep blood but scant growth on chocolate agar. Colonies are non-hemolytic to weakly a-hemolytic on sheep blood agar. 16S PCR can be used to distinguish the Cardiobacterium species. Identified as a constituent of the oral microbiome by Human Oral Microbiome Database.
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