Examples
of reference strains
Source:
Public health
England
Posted by Tim Sandle
Here
is a handy list of reference strains for different microbiological tests.
Test
|
Example
Reference Strain
|
|
Aesculin
Hydrolysis Test
|
Positive
control
Negative
control
|
Enterococcus
faecalis NCTC
12697
Streptococcus
agalactiae NCTC
8181
|
Agglutination
Test
|
Positive
control
Negative
control
|
N/A
|
Bile
Solubility Test
|
Positive
control
Negative
control
|
Streptococcus
pneumoniae NCTC
12977
Streptococcus
mitis NCTC 10712
|
Catalase
Test
|
Positive
control
Negative
control
|
Staphylococcus
aureus NCTC 6571
Streptococcus
mitis NCTC 10712
|
Coagulase
Test
|
Positive
control
Negative
control
|
Staphylococcus
aureus NCTC 6571
Staphylococcus
haemolyticus NCTC
11042
|
Deoxyribonuclease
Test
|
Positive
control
Negative
control
|
Staphylococcus
aureus NCTC 6571
Staphylococcus
haemolyticus NCTC
11042
|
Indole
Test
|
Positive
control
Negative
control
|
Escherichia
coli NCTC 10418
Proteus
mirabilis NCTC
10975
|
Motility
Test
|
Positive
control
Negative
control
|
Proteus
mirabilis NCTC
10975
Acinetobacter
lwoffii NCTC
5866
|
Nagler
Test
|
Positive
control
Negative
control
|
Clostridium
perfringens NCTC
8359*
Clostridium
difficile NCTC
11204*
|
ONPG
(ß-Galactosidase) Test (for
Enterobacteriaceae)
|
Positive
control
Negative
control
|
Escherichia
coli NCTC 10418
Proteus
mirabilis NCTC
10975
|
ONPG
(ß-Galactosidase) Test (for Neisseria species
|
Positive
control
Negative
control
|
Neisseria
lactamica NCTC
10617
Neisseria
gonorrhoeae NCTC
8375
|
Optochin
Test
|
Positive
control
Negative
control
|
Streptococcus
pneumoniae NCTC
12977
Streptococcus
mitis NCTC 10712
|
Oxidase
Test
|
Positive
control
Negative
control
|
Pseudomonas
aeruginosa NCTC
10662
Escherichia
coli NCTC 10418
|
Oxidation/Fermentation
of Glucose Test
(Gram
negative rods)
|
Oxidation:
Positive
control
Negative
control
|
Pseudomonas
aeruginosa NCTC
10662
Acinetobacter
Iwoffii NCTC
5866
|
Oxidation/Fermentation
of Glucose Test
(Gram
positive cocci)
|
Oxidation:
Positive
control
Negative
control
|
Micrococcus
luteus NCTC 2665
OF basal
medium without carbohydrate
|
Porphyrin
synthesis (ALA) Test
|
Positive
control
Negative
control
|
Haemophilus
parainfluenzae NCTC
10665
Haemophilus
influenzae NCTC
11931
|
Potassium
Hydroxide Test
|
Positive
control
Negative
control
|
Escherichia
coli NCTC 10418
Staphylococcus
aureus NCTC 6571
|
Changing
the Phase of Salmonella
|
Positive
control
Negative
control
|
N/A
|
Thermonuclease
Test
|
Positive
control
Negative
control
|
Staphylococcus
aureus NCTC 6571
Staphylococcus
haemolyticus NCTC
11042
|
Urease
Test
|
Positive
control
Negative
control
|
Proteus
mirabilis NCTC
10975
Escherichia
coli NCTC 10418
|
X and V
factor Test
|
X and V
factor
|
Haemophilus
influenzae NCTC
11931
|
V
factor only
|
Haemophilus
parainfluenzae NCTC
10665
|
|
X
factor only
|
Haemophilus
haemoglobinophilus NCTC
8540*
|
Posted by Tim Sandle
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