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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.
Elizabethkingia meningoseptica is a Gram-negative, rod-shaped bacterium widely distributed in nature (e.g. fresh water, salt water, or soil). It may be normally present in fish and frogs; it may be isolated from chronic infectious states, as in the sputum of cystic fibrosis patients.
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.
In the 1960s, King identified a novel bacteria from human respiratory secretions, blood, and bone and joint exudates that was designated Moraxella kingii in her honor shortly after her death. In 1976 it was reassigned to the genus Kingella and given the species name Kingella kingae. [7] [8]
Here, the inoculum is added to the molten agar before pouring the plate. The molten agar is cooled to about 45 degrees Celsius and is poured using a sterile method into a petri dish containing a specific diluted sample. From here, the plates are rotated to ensure the samples are uniformly mixing with the agar.
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]