Test

C. freundii

E. aerogenes

E. coli

K. pneumoniae

M. morganii

P. mirabilis

P. vulgaris

P. aeruginosa

S. gallinarum

S. marcescens

Growth @ RT

Slow to average growth

Average to good growth

Average growth

Average to good growth

Average to good growth

Good growth (optimum)

Good growth (optimum)

Average to good gowth

Average to good growth

Good growth (near optimum)

Growth @ 37°C

Good growth (optimum)

Good growth (optimum)

Good growth (optimum)

Good growth (optimum)

Good growth (optimum)

Average to good growth

Average to good growth

Good growth (optimum)

Good growth (optimum)

Average to good growth

TSA colony appear.

Cream white colonies, flat

Cream white colonies, flat

Cream white colonies, flat to elevated

Cream white, large mucoid colonies

White to cream, opaque colonies

Swarming white colonies

Swarming white colonies

Swarming white with green pigment colonies

Cream white colonies, flat

Red colonies

MAC

Colonies are light pink

Large, pink, mucoid

Large, red, surrounded by turbid zone

Large, pink, mucoid

Swarming opaque colonies

Swarming opaque colonies

Swarming opaque colonies

^{Swarming opaque colonies}

Very small, opaque, isolated colonies

Colonies may have red pigment

EMB

Colonies are larger than those of E.coli, mucoid, confluent, gray-brown centre in transmitted light

Colonies are larger than those of E.coli, mucoid, confluent, gray-brown centre in transmitted light

Blue-black colonies with green metallic sheen

Colonies are larger than those of E.coli, mucoid, confluent, gray-brown centre in transmitted light

Colorless colonies

Colorless colonies

Colorless colonies

Colorless colonies

No growth to very small, colorless colonies

Colorless colonies

Oxidase

_

_

+

_

_

_

_

+

_

_

O-F test (un-sealed)

Yellow (oxidative)

Yellow (oxidative)

Yellow (oxidative)

Yellow (oxidative)

Yellow (oxidative)

Yellow (oxidative)

Yellow (oxidative)

Yellow (oxidative)

Yellow (oxidative)

Yellow (oxidative)

O-F test (sealed)

Yellow (fermentative)

Yellow (fermentative)

Yellow (fermentative)

Yellow (fermentative)

Yellow (fermentative)

Yellow (fermentative)

Yellow (fermentative)

Green -

Yellow (fermentative)

Yellow (fermentative)

Glucose fermn.

+gas

+acid

+acid

+acid

+acid

+acid

+acid

No gas

+acid

No gas

Lactose fermn.

Acid +

Acid +

Acid with gas +

Acid +

_

_

_

_

+

_

Citrate

+

+

_

_

+

+

_

+

+

+

Test

C. freundii

E. aerogenes

E. coli

K. pneumoniae

M. morganii

P. mirabilis

P. vulgaris

P. aeruginosa

S. gallinarum

S. marcescens

MR

+

_

+

_

+

+

+

_

+

_

VP

_

+

_

+

_

_

_

_

+

+

Indole

_

+

_

+

_

+

_

_

_

TSI

H₂S+

Lysine+

H₂S-

H₂S-

Lysine+

H₂S-

H₂S-

Sucrose-

Sucrose fermented

H₂S+

Sucrose+

H₂S-

H₂S-

H₂S-

Urease

_

_

_

+

+

+

+

_

+

_

Motility

+

+

+

_

+

+

+

+

_

+