Infections
pharyngitis
hemolysis can be seen on this enrichment media
sheep blood agar
Cellulitis
Predictably susceptible to penicillin
Beta
PYR positive & Bacitracin susceptible
Streptococcus pyogenes
Antibiotic disk test used to identify Streptococcus pyogenes
Bacitracin
breaks down your connective tissue and allows infection to spread
hyaluronidase
Catalase positive, microdase negative, GPC in clusters that will clot rabbit plasma
Staphylococcus aureus
respiratory infection caused by Streptococcus pneumoniae
pneumonia
hemoglobin and NAD are available in this media to help cultivate more fastidious organisms
chocolate agar
Neonatal infections
Narrow zone of beta hemolysis
CAMP postive
Streptococcus agalactiae
Detects pyrrolidonyl arylamidase and is used to differentiate Group A Strep and Enterococcus species from other catalase, negative GPC
PYR
induces antibody response and lyses RBCs, WBCs and platelets
Streptolysin O
A dull yellow organism that will produce a positive microdase result and may be seen in tetrads
Micrococcus luteus
rare but severe bacterial infection that destroys the tissue beneath the skin, including the fascia and muscles
necrotizing fasciitis
agar that inhibits GNR with the addition of colistin and nalidixic acid
Columbia Nalidixic acid agar (CNA)
Normal flora of upper respiratory tract
opportunistic
alpha
Optochin resistant
Streptococcus viridans
If the organism can hydrolyze esculin to esculetin, it will react with the ferric iron to form a dark brown-black color
Bile esculin hydrolysis
polysaccharides that sits just outside the cell wall and prevents phagocytosis
capsule
fully automated microbial identification and antibiotic susceptibility testing system that utilizes special test cards to perform biochemical testing
Vitek
inflammation of the protective membranes covering the brain and spinal cord in a neonate
neonatal meningitis
broth used for the isolation of Streptococcus agalactiae from vaginal and rectal swabs
Todd hewitt broth
Alpha
Lancet
Umbilicated colony
Optochin susceptible
Streptococcus pneumoniae
detects specific antigen/carbohydrate on the cell wall of beta hemolytic Streptococci
Serotyping (Lancefield grouping)
cytotoxic protein that activates compliment and causes alpha hemolysis
pneumolysin
hemolysis, size, form, margin, elevation, color, odor
Gross colony characteristics
sequalae autoimmune disease with rheumatologic, cardiac and neurologic manifestations
acute rheumatic fever
selective and differential broth intended for the detection of Group B Strep from anovaginal swabs of pregnant women
Carrot broth
nonhemolytic or alpha
PYR negative
Bile esculin positive
Unable to grow in 6.5% NaCL
Streptococcus bovis
Demonstrates the hemolytic activity of beta-hemolysin produced by S. aureus, and is enhanced by the extracellular protein produced by Group B Strep
CAMP
degrades host DNA/RNA
Streptodornase
textbook description of Streptococcus Gram stain
GPC in pairs and chains
inflammation of the kidneys filtering unit
acute glomerulonephritis
Columbia agar with ribonucleic acid and maltose, used for throat cultures
Streptococcus selective agar
nonhemolytic
PYR positive
Bile esculin and 6.5% NaCl positive
VanA
Vancomycin resistant Enterococcus
Sodium deoxycholate is used to determine if organism can undergo cell wall lysis
Bile Solubility
allows binding to host epithelial cells
fibronectin binding protein
cut off small pieces of tissue and touch to slide several times
tissue touch prep