Kingella

Genus in the family Neisseriaceae; members are medium-size, Gram-negative, aerobic and facultatively anaerobic, nonmotile cocci and coccobacilli in pairs or short chains, which may decolorize poorly with acetone-alcohol; they are oxidase positive, and ferment glucose with acid but not gas. The type species is K. kingae.

- K. indologenes former name for Suttonella indologenes, a bacterial species that is the causitive agent of eye infections and endocarditis on damaged (especially prosthetic) heart valves.

- K. kingae a β-hemolytic bacterial species that causes endocarditis, osteomyelitis, and septic arthritis in humans; formerly Moraxella kingae. See HACEK group. SYN: Moraxella kingae.

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King·el·la (king-elґə) [Elizabeth O. King, American bacteriologist, 20th century] a genus of gram-negative, aerobic or facultatively anaerobic, rod-shaped bacteria of the family Neisseriaceae, found as natural inhabitants of the human oropharynx. The organisms are potential human pathogens.