Characteristics

Bacillus cereus OK447647

Bacillussubtilis OK447648

Micrococcus

ruseus

Micrococcus luteus

Staphylococcus aureus

Streptomyces sp.

Pseudomonas oryzihabitans OK447649

Serratiamarcescens OK447650

Gram stain

+ve

+ve

+ve

+ve

+ve

+ve

−ve

−ve

Shape

bacilli

bacilli

Cocci (tetrads)

Cocci (tetrads)

Cocci (tetrads)

filamentous

Bacilli (short)

Bacilli (short)

Major pigment

−ve

−ve

rose

Yellow

orange

white

yellow

red

Nitrate reduction

+ve

+ve

+ve

−ve

+ve

−ve

+ve

ND

Acid from glucose

+ve

−ve

+ve

−ve

−ve

ve

+ve

+ve

Catalase test

+ve

+ve

+ve

+ve

+ve

+ve

+ve

+ve

V-P test

+ve

+ve

−ve

−ve

+ve

−ve

−ve

−ve

O-F test

ND

ND

O

O

F

ND

ND

ND

Starch hydrolysis

+ve

+ve

−ve

−ve

−ve

+ve

−ve

ND

Gelatin hydrolysis

+ve

+ve

−ve

+ve

−ve

+ve

−ve

ND

Casein hydrolysis

+ve

+ve

+ve

+ve

−ve

−ve

ND

ND

Urease test

+ve

ND

+ve

+ve

−ve

+ve

+ve

ND

Citrate test

−ve

+ve

−ve

−ve

−ve

+ve

+ve

+ve

Growth on 7% NaCl

+ve

+ve

+ve

+ve

+ve

−ve

+ve

+ve

Acid and gas from glucose

−ve

−ve

+ve

−ve

−ve

−ve

+ve

ND

Growth at 65˚C

ND

−ve

ND

ND

ND

ND

ND

ND

Growth at 50˚C

−ve

−ve

ND

ND

ND

ND

ND

ND

Growth at 41˚C

ND

ND

ND

ND

ND

ND

+ve

+ve

Growth at 4˚C

ND

ND

ND

ND

ND

ND

ND

−ve

Arginine hydrolysis

−ve

ND

−ve

−ve

ND

+ve

−ve

−ve

Lipase production

+ve

+ve

−ve

−ve

+ve

ND

−ve

ND

Growth on King A

ND

ND

ND

ND

ND

ND

−ve

ND

Growth on King B

ND

ND

ND

ND

ND

ND

−ve

ND