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Kingella kingae is a species of Gram-negative facultative anaerobic β-hemolytic coccobacilli. First isolated in 1960 by Elizabeth O. King , it was not recognized as a significant cause of infection in young children until the 1990s, when culture techniques had improved enough for it to be recognized.
E. meningoseptica grows well on blood agar and chocolate agar. Colonies are very pale yellow and may not be easily evident at 24 hours. Strains growing better at 40 °C are mostly associated with invasive meningitis. [7] Often, a greyish discoloration is seen around the colonies on blood agar due to proteases and gelatinase.
HACEK is an abbreviation of the initials of the genera of this group of bacteria: Haemophilus, Aggregatibacter (previously Actinobacillus), Cardiobacterium, Eikenella, Kingella. [1] The HACEK organisms are a normal part of the human microbiota , living in the oral - pharyngeal region.
Kingella is a genus of bacteria of the family Neisseriaceae. [1] It belongs to the HACEK group of fastidious Gram-negative bacteria that tend to cause endocarditis . [ 2 ] Kingella kingae is its type species .
Some terms used to describe colonial morphology. When a specimen arrives in the microbiology laboratory, it is inoculated into an agar plate and placed in an incubator to encourage microbial growth. Because the appearance of microbial colonies changes as they grow, colonial morphology is examined at a specific time after the plate is inoculated.
Elizabethkingia is a genus of bacterium in the order of Flavobacteriales.It was established in 2005 from a branch in of the genus Chryseobacterium, [1] and named after Elizabeth O. King, the discoverer of the type species. [2]
Suttonella indologenes, formerly Kingella indologenes, is a Gram-negative rod-shaped bacterium of the family Cardiobacteriaceae.Like other members of its family, it is a bacterium that is assumed to be normally present in the respiratory tract.
As of March 2016, it was reported to be the largest outbreak of Elizabethkingia anophelis-caused disease investigated by the Centers for Disease Control and Prevention (CDC).