Nitrite (NO2)
===2Location:===
*NATURE – plants/soil/water
*HUMAN –
“Enterics” – found in the GI tract
**Animals/fish/insects
[[Enterobacteriaceae Diseases]]
===Stratified Into 8 Tribes:=== *Tribe
I, Eschericheae (mixed acid fermenters) **Escherichia **Shigella *Tribe
II, Edwardsielleae (mixed acid fermenters) **Edwardsiella *Tribe III,
Salmonelleae (mixed acid fermenters) **Salmonella *Tribe IV,
Citrobactereae (mixed acid fermenters) **Citrobacter *Tribe V,
Klebsielleae (butanediol) **Klebsiella **Raoultella **Enterobacter
**Hafinia **Pantoea **Serratia *Tribe VI, Proteeae (mixed acid
fermenters) **Proteus (H2S+) **Morganella **Providencia *Tribe VII,
Yersinieae (mixed acid fermenters) **Yersinia *Tribe VIII **Erwinieae
**Erwinia
===Identification Tests:=== *[[Gram Stain]] *Colony Morphology
*Hemolysis *Carbohydrate Utilization]]>