91338 Study Guide - Final Guide: Neisseria Meningitidis, Burkholderia, Hacek Organisms
GPC:
Catalase POSITIVE: Staph
Catalase NEGATIVE: Strep, Enterococcus
STAPH
API staph
HBA = MAC
Organism
HBA
MAC
CHA
COAG
DNAse
Novobiocin
Anaerobic
aureus
Y, 5mm
Pink, targets, 2-
3mm
Big, 5mm
+
+
Sens
G
epidermidis
B, 1-2mm
Pink
NG
-
-
G
saprophyticus
Y
Red, 1-2mm
-
-
Res
G
lugunensis
-
-
sens
G
micrococcus
-
-
N/A
NG
STREP
API strep
HBA > MAC
A-haemolysis
Organism
HBA
MAC
CHA
Optochin
Bacitracin
other
pneumoniae
A
NG
Sens.
Res.
APIstrep
viridans
A
NG
Res.
Res.
B-haemolysis
Organism
HBA
Lancefield
MAC
Bacitracin
Optochin
pyogenes
B
A
NG
S
R
agalactiae
B
B
V
R
R
equisimilis
B
C
NG
R
R
Enterococci
B (or Y)
D
V
R
R
milleri
B
F
NG
R
R
dysgalactiae
B
G
NG
R
R
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Y-haemolysis
Organism
HBA
MAC
Aesculin
6.5% saline
Ampicillin
Optochin, Bacitracin
Enterococcus
faecium
Y
NG
+
G
R
R
Enterococcus
faecalis
Y
G
+
G
S
R
other streps
Y
NG
-
NG
S
R
GPR:
Anaerobes: Clostridium
Aerobes/Facultative anaerobes:
Catalase POSITIVE: Bacillus, Listeria, Corynebacterium
Catalase NEGATIVE: Lactobacillus, Arcanobacterium, Gardnerella vaginalis, Erysipelothrix
Organism
Catalase
Ox
Haemolysis
Aesculin
Hippurate
Other
Listeria
+
-
B
+
+
Tumbling motility,
API coryne or
listeria
Lactobacillus
-
A
+/-
+/-
TSI
Bacillus
+
B or Y
+/-
+/-
Arcanobacterium
haemolytican
-
-
B
-
N/A
API coryne
Gardnerella
vaginalis
-
B
-
+
Erysipelothrix
-
-
A
-
+/-
TSI
API coryne
Corynebacterium
+
B or Y
N/A
N/A
API coryne
GNC:
Neisseriaceae: GNDC, Kidney bean, Neisseria, Moraxella, M. catarrhalis, Kingella, Acinetobacter
Strict aerobes
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