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Culture Collections

NCTC Control Strains for UK SMI Test Procedures in Clinical Microbiology

 

NCTC strains recommended as quality control organisms in the Bacteriology Test Procedures from the UK Standards for Microbiology (UK-SMI) are listed below.

 

 

TP Number

Test procedure

NCTC strain - positive control

Species name

NCTC strain - negative control

Species name

TP2

Aesculin hydrolysis

12697

E.faecalis

8181

S.agalactiae

TP5

Bile solubility

12977

S.pneumoniae

10712

S.mitis

TP8

Catalase

6571

S.aureus

10712

S.mitis

TP10

Coagulase

6571

S.aureus

11042

S.haemolyticus

TP12

Deoxyribonuclease

6571

S.aureus

11042

S.haemolyticus

TP19

Indole

10418

E.coli

10975

P.mirabilis

TP21

Motility

10975

P.mirabilis

5866

A.lwoffii

TP22

Nagler

8359

C.perfringens

11204

C.difficile

TP24

ONPG (ß-galactosidase) for Enterobacteriaceae

10418

E.coli

10975

P.mirabilis

 

ONPG (ß-galactosidase) for Neisseria spp.

10617

N.lactamica

8375

N.gonorrhoeae

TP25

Optochin

12977

S.pneumoniae

10712

S.mitis

TP26

Oxidase

10662

P.aeruginosa

10418

E.coli

TP27

Oxidation of glucose (Gram negative rods)

10662

P.aeruginosa

5866

A.lwoffii

Fermentation of glucose (Gram negative rods)

10418

E.coli

5866

A.lwoffii

Oxidation of glucose (Gram positive cocci)

2665

M.luteus

Not applicable

Basal medium used for negative control

Fermentation of glucose (Gram positive cocci)

6571

S.aureus

Not applicable

Basal medium used for negative control

TP29

Porphyrin synthesis (ala)

10665

H.parainfluenzae

11931

H.influenzae

TP30

Potassium hydroxide

10418

E.coli

6571

S.aureus

TP34

Thermonuclease

6571

S.aureus

11042

S.haemolyticus

TP36

Urease

10975

P.mirabilis

10418

E.coli

TP38

X and V factors

11931

H.influenzae

10665

H.parainfluenzae

 

UK Standards for Microbiology Investigations - opens in new window

 

 

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