Fichas
S.Aureus
Fichas del conjunto (26)
- 1Culture MediaCan grow on nutrient but blood is better
- 2S.Aureus on blood agarPinhole colones coloured yellow (S.Aureus is haemolytic)
- 3Selecting S.Aureus (Agar)MSA- Mannitol Salt Agar (S.Aureus is salt tolerant)
- 4Method of MSAMannitol is fermented, which is shown by the indicator turning yellow
- 5Blood-Coagulase TestS.Aureus can convert Fibrinogen -> Fibrin in of plasma, causing clumping
- 6Agar-DNAse TestS.Aureus can clear a DNA-impregnated agar plate (this can be made clearer using Mannitol/Indicator)
- 7Mild S.Aureus InfectionsSkin, soft tissue, food poisoning
- 8Sever S.Aureus infectionsBone/blood/organ infections, toxic shock
- 9S.Aureus EnvironmentUsually endogeous, can be exogenous
- 10S.Aureus Mode of TransmissionInjestion, Aeresol, contact
- 11S.Aureus- Host FactorsAge, Suppressed immune system
- 12S.Aureus- MSCRAMMSMicrobial Surface Components Recognizing Adhesive Matrix Molecule
- 13S.Aureus- Role of MSCRAMMSRecognise and bind to a specific host molecule
- 14S.Aureus- Uniqueness of MSCRAMM'sS.Aureus can bind to multiple host molecules
- 15S.Aureus- MetastasisRefers to its ability to travel in blood and infect other tissues
- 16S.Aureus- EnzmyesProduces a wide variety
- 17S.Aureus Enzmyes- CoagulaseForms a fibrin barrier around the bacteria
- 18S.Aureus Enzmyes- LipasesBind to/destroy host tissues
- 19S.Aureus Enzmyes- Protein ABinds to blood Ib's and masks bacterium
- 20S.Aureus Toxins- PVLPanton Valentine Leucocidin
- 21S.Aureus Toxins- Role of PVLForms pores in leukocytes to release inflammatory mediators, killing them and damaging tissues
- 22S.Aureus Toxins- EnterotoxinWorks in intestine (action unknown) causing vomiting
- 23S.Aureus Toxins- Enterotoxin StrainsA-E & G-J (A most common) Works as a super-antigen
- 24S.Aureus Toxins- TSST1Toxic Shock Syndrome Toxin 1
- 25S.Aureus Toxins- Role of TSST1Fever, rash, loss of skin & shock like symptoms
- 26S.Aureus Toxins- Release of TSST1Inserted into blood by bacteria (bacteria themselves not present)
Información
- Descripción
- (Skin Infections) Medical Microbiology Fichas sobre S.Aureus, creado por gina_evans0312 el 06/02/2014.
- Creado por
- gina_evans0312
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