Raoultella terrigena
| Klebsiella terrigena | |
|---|---|
| Scientific classification | |
| Kingdom: | Bacteria |
| Phylum: | Proteobacteria |
| Class: | Gammaproteobacteria |
| Order: | Enterobacteriales |
| Family: | Enterobacteriaceae |
| Genus: | Klebsiella |
| Species: | K. terrigena |
Klebsiella terrigena is a Gram-negative bacterial species of the genus Klebsiella. It has primarily been isolated from soil and water samples, but rarely from humans. Studies have estimated fewer than 1% of healthy people harbor this species. This species has shown no connection with disease in humans despite expressing many of the virulence factors expressed by other Klebsiella species such as Klebsiella pneumoniae.
Phylogenic comparisons between the 16s rRNA and rpoB genes of this and other Klebsiella species have suggested classification into a newer genus, Raoultella.
K. terrigena is considered a factor in melamine toxicity. In culture, K. terrigena was shown to convert melamine to cyanuric acid directly. Rats colonized by K. terrigena showed greater melamine-induced kidney damage compared to those not colonized.
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