Enterobacteriaceae mnemonics

Question 1

RLF

Answer 1

EKE

Escherichia
Klebsiella
Enterobacter

Question 2

Late lactose Fermenters

Answer 2

CHS

Citrobacter
Hafnia
Serratia

Question 3

Non-lactose fermenters

Answer 3

EYESS PPM

Edwardsiella
Yersinia
Erwinia
Salmonella
Shigella
Proteus (A/A cuz of sucrose)
Providencia
Morganella

Question 4

H2S (+)

Answer 4

SPACEd

Salmonella
Proteus
Salmonella arizona
Citrobacter
Edwardsiella

Question 5

Indole (+)

Answer 5

Mor PEKPEC Pls

Morganella
Proteus vulgaris
E. coli
K. oxytoca
Providencia
Edwardsiella tarda
Citrobacter
Plesiomonas

Question 6

VP (+)

Answer 6

KESH

Klebsiella
Enterobacter
Serratia
Hafnia

Question 7

Citrate (+)

Answer 7

Pro CHEKS

Providencia
Citrobacter
Hafnia
Enterobacter
Klebsiella
Salmonella

Question 8

Urease (+)

Answer 8

Rapid

PPM - Proteus, Providencia, Morganella

Slow

C-KEYS - citrobacter, klebsiella, enterobacter, yersinia, serratia

Question 9

Non-motile Entero

Answer 9

SKY

Shigella
Kebsiela
Yersinia

Question 10

Slide Coagulate test (+)

Answer 10

LAS

S. lugdenesis
S. aureus
S. schleiferi

Question 11

PYR (+)

Answer 11

LIS

S. lugdenesis
S. intermedius
S. schleiferi

Question 12

VP (-)

Answer 12

LISH

S. lugdensis
S. intermedius
S. schleiferi
S. haemolyticus

Question 13

DNAse (+)

Answer 13

SSSMo

Serratia
S. aureaus
S. pyogenes
Moraxella or Branhamelle catarrhalis

Question 14

Groups of Shigella

Answer 14

Di Fa Ba Sapat

Dysenteriae
Flexneri
Boydii
Sonnei