Cronobacter
Cronobacter
Cronobacter (pronounced: kro-no-bak-ter) is a genus of Gram-negative, rod-shaped bacteria in the family Enterobacteriaceae. The name "Cronobacter" is derived from the Greek words "Chronos", meaning time, and "bacter", meaning rod, referring to the bacterium's ability to survive in harsh conditions over time.
Etymology
The genus name "Cronobacter" was proposed in 2007 by Iversen et al. to replace the former name "Enterobacter sakazakii". The name is derived from the Greek word "Chronos", the personification of time in Greek mythology, and the Latin word "bacter", meaning rod. This refers to the bacterium's ability to survive in harsh conditions over time.
Description
Cronobacter species are motile, non-spore-forming, facultative anaerobes. They are oxidase-negative and catalase-positive. They can ferment glucose and lactose, and are capable of reducing nitrate to nitrite. Cronobacter species are opportunistic pathogens, primarily associated with neonatal infections such as meningitis, necrotizing enterocolitis, and sepsis.
Species
The genus Cronobacter consists of seven species: Cronobacter sakazakii, Cronobacter malonaticus, Cronobacter turicensis, Cronobacter muytjensii, Cronobacter dublinensis, Cronobacter universalis, and Cronobacter condimenti.
Pathogenicity
Cronobacter species are opportunistic pathogens, primarily associated with neonatal infections such as meningitis, necrotizing enterocolitis, and sepsis. They have also been implicated in infections in adults, particularly those with weakened immune systems.
Prevention and Control
Prevention of Cronobacter infection involves proper preparation and storage of powdered infant formula, as the bacteria have been found in these products. Control measures include thorough cleaning and disinfection of feeding equipment.
See Also
External links
- Medical encyclopedia article on Cronobacter
- Wikipedia's article - Cronobacter
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