Scombroid food poisoning
Is a foodborne illness from eating spoiled fish.
It is often missed because it resembles an allergic reaction
photo: Dr.Enes Elvin Gul, Dept of Cardiology, Selcuk University, Konya, Turkey
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3101735/?report=reader
Scombroid food poisoning
Is a foodborne illness from eating spoiled fish.
It is often missed because it resembles an allergic reaction
photo: Dr.Enes Elvin Gul, Dept of Cardiology, Selcuk University, Konya, Turkey
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3101735/?report=reader
Raoultella ornithinolytica
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General information
Taxonomy
Family: Enterobacteriaceae
(formerly designated : Klebsiella)
R. terrigena & R. planticola (plant pathogen)
Natural habitats
They are found in water, fish, insects, nature and land.
They are commensals in the gut of humans and animals.
Clinical significance
R. ornithinolytica has the ability to convert histidine to histamine in scombroid fish.
Infection causes redness of the skin.
Scombroid food poisoning
Is a foodborne illness from eating spoiled fish.
It is often missed because it resembles an allergic reaction
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Gram stain
Gram negative rods,
0.3-1.0 x 0.6-6 μm,
occurring singly, in pairs, and in short chains
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Culture characteristics
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Facultative anaerobic
BA: colonies are shiny, moist and sticky, from mild to strong.
McConkey: growth, lactose fermenter
BBAØ: growth
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Characteristics
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References
James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition
Karen C. Carrol et al (2019) Manual of Clinical Microbiology, 12th Edition
Microbiology on the go. An initiative by
Dept. Medical Microbiology and Infectious diseases