Important biochemicals to remember Flashcards
Staph aureus
Mannitol + (ferments)
Staph saprophyticus
Novobiocin R
Strep pyogenes (group A)
Bacitracin S
CAMP -
PYR +
Step agalactiae
Bacitracin R
CAMP +
PYR -
Enterococcus faecalis
Bile Esculin +
6.5% NaCl +
Strep bovis
Bile Esculin +
6.5% NaCl -
M. catarrhalis
Negative for all sugars
N. lactamica
Lactose +
N. gonorrheae
Glucose (weak) +
Maltose -
N. meningitidis
Glucose +
Maltose +
H. influenzae
OX-
Beta lac -
X-
V-
XV+
Hemo -
H. parainfluenzae
OX- Beta lac - X- V+ XV+ Hemo -
H. haemolyticus
X-
V-
XV+
Hemo+
H. parahaemolyticus
X-
V+
XV+
Hemo+
Listeria monocytogenes
Cat+
Motility + (umbrella)
Bile Esculin +
Bacillus cereus
Cat+
Motility + (bottle brush)
Bile Esculin +
Corynebacterium diphtheriae
Tinsdale + (black colony)
Cat +
Bile Esculin -
Leoffler media = metachromatic granules
Clostridium perfringens
Beta
BBE -
Lecithinase +
Reverse Camp +
Kanamycin S
Vancomycin S
Colistin R
Bacteroides fragilis
BBE+
Kanamycin R
Vancomycin R
Colistin R
Fusobacterium necrophorum
BBE-
Lipase +
Kanamycin S
Vanomycin R
Colistin S
Vibrio parahaemolyticus
(halophile)
OX+ TCBS + K/A Motility + 7% NaCl +
Vibrio cholerae
(non-halophile) OX+ TCBS+ A/A Motility + 7% NaCl -
Plesiomonas
ALPHA
OX+
K/A
Motility +
Aeromonas
BETA
OX+
K/A
Motlity+
E.coli
TSI = A/A (yellow/yellow), gas+
Motility +
Indole +
Methyl Red +
VP-
Citrate -
LIA = K/K (purple/purple)
Shigella sonnei
TSI = K/A (red/yellow)
Motility -
Indole -
Methyl Red+
VP -
Citrate -
LIA - K/A
Enterobacter cloacae
TSI = A/A (yellow/yellow), Gas+
Indole -
Methyl Red +
VP -
Citrate +
Klebsiella pneumoniae
TSI = A/A (yellow/yellow)
Indole -
Methyl Red -
VP +
Citrate +