What are the properties of stap aureus?



What are the properties of stap aureus?..

Answer / apoorva

Properties
1. They are gram-positive cocci arranged in grape-like clusters, singles, pairs or chains.
2. They are catalase positive and oxidase negative
3. They are non-motile and non-fastidious species
4. On Culture-
- Nutrient agar shows abundant pin-head golden-yellow colonies. This golden yellow pigment is k/a STAPHYLOXANTHIN which is carotenoid in nature.
- 5% sheep blood agar shows beta hemolysis
- On MacConkey agar, we can appreciate pink colonies which means that they are Lactose fermenting).
5. Free coagulase is the most important virulence factor
6. Diseases caused by them can be grouped as
Suppurative/Pyogenic
Bullous (SSSS)
cellulitis (inflammation of skin and subcutaneous tissue)
Folliculitis (infection of hair follicles)
Furuncle
Carbuncle
Impetigo
Breast abssess(especially-lactating mothers)
Acute osteomyelitis
Infective endocarditis
Nosocomial pneumonia
Surgical site infection
Necrotising pneumonia(by strains producing leucocidins)
Toxin Mediated
SSSS(Staphylococcal scalded skin disease)
TSS (Toxic shock syndrome)
Food poisning

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Micro Biology Interview Questions

What is meant by Plate Counting 101 ?

0 Answers  


How much genetic exchange occurs between bacteria in natural conditions?

0 Answers  


How will you convert a 6 Normal solution to 8 N soloution?

3 Answers  


Which are the ways to demonstrate these granules?

0 Answers  


Name the bacteria which are commonly found in genital organs?

3 Answers  






Explain the mechanism of Lysozyme ?

0 Answers  


who is genious of indian microbiologist?

6 Answers   DRR, Reddy Labs, TATA,


Describe about the Antibiotic resistance in plant groth promoting bacteria?

0 Answers  


Does yeast have operon?

1 Answers  


Explain the Recipe for MM1 media ?

0 Answers  


Amebas are classified into two sub-classes, what are they?

1 Answers  


Explain the process of Yeast Liquid culture ?

0 Answers  


Categories