Staphylococcus aureus Characteristics
- Gram-Positive
- Cocci
- Catalase-Positive
- Coagulase-Positive
- Beta-Hemolytic
- Protein A Virulence Factor
- Inhibits Phagocytosis
- MRSA
- Resistant to Beta Lactams Due to Altered Penicillin Binding Proteins (PBPs)
Staphylococcus aureus Disease
- Skin Infections
- Impetigo
- Abscesses
- Exfoliative Toxin
- Scalded Skin Syndrome
- Toxic Shock Syndrome (TSST 1)
- Binds to MHC II and T Cell Receptor
- Food Poisoning
- Acute Bacterial Endocarditis
- Pneumonia
- Osteomyelitis
Staphylococcus saprophyticus
- Gram-Positive
- Cocci
- Catalase-Positive
- Coagulase-Negative
- Novobiocin-Resistant
- Urease-Positive
- Urinary Tract Infections (UTI's)
Staphylococcus epidermidis
- Cocci
- Gram-Positive
- Catalase-Positive
- Urease-Positive
- Coagulase-Negative
- Novobiocin-Sensitive
- Component of Normal Skin Flora
- Infects Prosthetic Devices and IV Catheters
- Contaminates Blood Cultures
- Produces Adherent Biofilms
Streptococcus Pneumoniae Characteristics
- Gram-Positive
- Diplococci
- Lancet-Shaped
- Catalase-Negative
- Optochin-Sensitive
- Bile Soluble
- Alpha-Hemolytic
- Polysaccharide Capsule
- Positive Quellung Reaction
- IgA Protease
Streptococcus Pneumoniae Disease
- Sickle Cell Anemia
- Sepsis in Patients with Splenectomy
- Rusty Sputum
- MOPS
- Meningitis
- Otitis Media
- Pneumonia
- Sinusitis
Streptococcus pyogenes Characteristics
- Group A Streptococci (GAS)
- Gram-Positive
- Cocci
- Beta-Hemolytic
- Catalase-Negative
- Bacitracin-Sensitive
- Hyaluronic Acid Capsule
- Streptolysin O
- DNase
- Streptokinase
- Exotoxin A
- Pyrrolidonyl Arylamidase (PYR) Positive
Streptococcus Pyogenes Disease
- Pyogenic
- Pyogenic Pharyngitis
- Impetigo
- Cellulitis
- Toxigenic
- Toxic Shock-Like Syndrome
- Scarlet Fever
- Sandpaper Rash
- Strawberry Tongue
- Immunologic
- Rheumatic Fever
- Antibodies to M Protein
- Acute Glomerulonephritis (Post Streptococcal Glomerulonephritis)
Streptococcus viridans
- Gram-Positive
- Cocci
- Catalase-Negative
- Alpha-Hemolytic
- Optochin-Resistant
- Not Bile Soluble
- Normal Flora of Oropharynx
- Synthesize Dextrans from Sucrose
- Dental Caries
- Subacute Bacterial Endocarditis
Streptococcus agalactiae
- Group B Streptococci
- Gram-Positive
- Cocci
- Beta-Hemolytic
- Bacitracin-Resistant
- Catalase-Negative
- Pyrrolidonyl Arylamidase (PYR) Negative
- Polysaccharide Capsule
- Hippurate Positive (+)
- Produces CAMP Factor
- Enlarges Area of Hemolysis by S. aureus
- Mainly in Babies
- Meningitis
- Pneumonia
- Sepsis
- Colonizes Vagina
- Screen Pregnant Women at 35-37 Weeks
- Penicillin
Enterococci
- Gram-Positive Cocci
- Catalase Negative
- 6.5% NaCl
- Grows in Bile
- Normal Colonic Flora
- Urinary Tract Infection
- Subacute Endocarditis
- Penicillin Resistant
- VRE (Vancomycin Resistant Enterococci)