Methicillin Resistant Staphylococcus aureus (MRSA) MRSA is mediated by mecA gene; which is a chromosomally coded. It alters penicillin binding
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Tag: Staphylococcus aureus
Mannitol Salt Agar (MSA)
Mannitol Salt Agar (MSA) Introduction of Mannitol Salt Agar (MSA) Mannitol Salt Agar (MSA) is used as a selective and differential
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Aerobic and Facultatively Anaerobic Gram-Positive Cocci
Enterococcus faecalis and Enterococcus faecium Clinical Features Urinary tract infections, peritonitis, bacteremia, endocarditis Virulence Factors Relatively avirulent Staphylococcus aureus Clinical
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Staphylococcus aureus on combined Mannitol Salt Agar and Vogel & Johnson Agar
– Staphylococcus aureus on combined Mannitol Salt Agar and Vogel & Johnson Agar. – Photo By: Luis Alberto Pascual Santiago.
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Staphylococcus aureus on Columbia CNA Agar with 5% Sheep Blood
– Staphylococcus aureus on Columbia CNA Agar with 5% Sheep Blood. – Photo By: Marlon Neris from Brasília, Brazil. –
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Biochemical Test of Staphylococcus aureus
Biochemical Test of Staphylococcus aureus Basic Characteristics Properties (Staphylococcus aureus) Capsule Non-Capsulated Catalase Positive (+ve) Citrate Positive (+ve) Coagulase Positive
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Virulence factors and Clinical manifestation of Staphylococcus aureus
Virulence factors of Staphylococcus aureus A. Cell wall components Polysaccharide Capsule: inhibits phagocytosis Peptidoglycan: activates complement, IL-1, chemotactic to PMNs
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Cultural and Biochemical characteristics of Staphylococcus aureus
Cultural characteristics of Staphylococcus aureus Staphylococci grow readily on most bacteriologic media under aerobic or microaerophilic conditions. Colonies on solid media
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Habitat and Morphology of Staphylococcus aureus
Habitat and Morphology of Staphylococcus aureus Habitat Natural habitat is mammalian body surfaces. They are normal flora of skin and
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Coagulase Test- Principle, Procedure and Result Interpretation
Coagulase Test- Principle, Procedure and Result Interpretation Purpose of Coagulase Test The test is used to differentiate Staphylococcus aureus (positive) from
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