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DIFFERENCE BETWEEN Staphylococcus sp. AND Streptococcus sp.

 DIFFERENCE BETWEEN Staphylococcus sp. AND Streptococcus sp.


S.No

Characteristics

Staphylococcus sp.

Streptococcus sp.

1

Arrangement

Grape like cluster

Chain like arrangement

2

Cell division

Binary fission occurs in various directions (Multiple axes).

Binary fission occurs in one linear direction (Single axis).

3

Catalase test

Positive

Negative

4

Enriched media

Does not need Enriched media (Non-fastidious).

Need Enriched media (Fastidious).

5

Habitat

Found in Skin.

Found in Respiratory tract.

6

Number of species

40 Species.

50 Species.

7

Hemolysis

No hemolysis or Beta hemolysis

Alpha or Beta or Gamma hemolysis.

8

Pathogenic species

Staphylococcus aureus, Staphylococcus epidermidis, Staphylococcus haemolyticus, Staphylococcus hominis and Staphylococcus saprophyticus

Streptococcus pyogenes, Streptococcus agalactiae, Streptococcus bovis and Streptococcus  pneumoniae

9

Common Diseases

Food poisoning, Bacterial conjunctivitis, Skin diseases, Community-acquired meningitis, Surgical site infection, Wound infection, Impetigo, cellulitis, and Toxic shock syndrome.

Strep throat, Scarlet fever, Impetigo, Toxic shock syndrome, Cellulitis, Necrotizing fasciitis, Sinusitis,  Blood infections, Pneumonia and Meningitis in newborns.

10

Species Differentiation

Coagulase test, DNase test, Mannitol Salt Agar and Novobiocin Sensitivity Test

Hemolysis in Blood agar, Bacitracin Sensitivity Test, PYR Test, CAMP Test, Opthocin Sensitivity Test

11

Respiration

Most are Aerobes while some others are Facultative anaerobes.

Most are Facultative anaerobes while some others are Obligate anaerobes.

12

Mannitol fermentation

Observed only in Staphylococcus aureus

Not observed

13

Halotolerance

Halotolerant. Can tolerate upto 8% salt concentration.

Inhibited by high concentration of salt.

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