Answer Posted / 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 View All Answers
What is meant by fungal element?
In determining a morph unknown, what tests can I do to narrow between Corynebacterium pseudodiph and xerosis?
What is Chemical mutagenesis of plasmids and Why only Is there an alternative for FITC to label E. coli for FACS ?
How to search specific Cell line ?
What are the enzymes produced by streptococci?
Explain about the sucide plasmid directed mutagenesis in pseudomonas?
Where to do genomic base composition analysis?
How to preserve filamentous fungi in distilled water ?
Describe about the spectrum of activity, side effects, and uses of the antibiotic chloramphenicol?
What is the Transposon for STM ?
Explain the mechanism of Lysozyme ?
Describe about the Antibiotic resistance in plant groth promoting bacteria?
What is the HIV-1 Gag primer sequence ?
Give an account of Rota virus - Plaque assay ?
What is sterilization and disinfection?
