Enterics- Biochemical reactions for pathogens

Salmonella typhi

TSI- K/A (yellow/pink), H2S+, Urease negative; indole negative; Motile

Salmonella spp

TSI- K/A(yellow/pink), H2S+, Urease negative, Motile, Indole negative, MIL- DECARB (BOTTOM) POSITIVE (PURPLE)

Shigella spp.

TSI- K/A(yellow/pink), no gas, H2S negative, urease negative, Non-Motile, NON LACTOSE-FERMENETER

Yersinia entercolitica

TSI- A/A(all yellow), H2S+, Urease negative, MOTILE AT 25 degrees celsius

E.coli 015: H7

TSI- A/A (yellow), gas +, indole +

NON FERMENTER ON SMAC ( colorless growth)

Plesiomonas shigelloides

oxidase +, Indole +, Motile

Vibrio cholera

oxidase +, Motile, TCBS- YELLOW GROWTH (sucrose +)

Vibrio parahaemolyticus

Oxidase +, Motile, TCBS- GREEN

Aeromonas spp

Oxidase +, Indole +, BETA-HEMOLYTIC ON BAP AND GROWNS W/O NACl

Campylobacter spp.

Oxidase +, Catalase +, SEAGULL WING GNR, Darting motility, grows at 42 DEGREES CELSIUS