Bacteria Classification Flashcards
How are Aerobic G+ves subdivided
Cocci / Bacilli
How are Aerobic G+ve Cocci subdivided
Chains / Clusters
How are Aerobic G+ve Cocci - Chains (Streptococcus) subdivided
Haemolysis - Alpha (partial), Beta (full) or Gamma (none)
How are Aerobic G+ve Cocci - Clusters (Staphylococcus) subdivided
Coagulation - Positive or negative
Give all Gram +ve Cocci - chains - Alpha haemolytic and what they cause
Strep. Pneumoniae - Pneumonia / meningitis
Strep. Viridans - Endocarditis
Give al Gram +ve Cocci - chains - Beta haemolytic and non haemolytic and what they cause
Beta - Strep. A (throat and skin infections)
Strep. B (Neonatal meningitis)
Non-haemolytic - Enterococcus - gut commensal, UTI
Give all Gram +ve cocci - clusters - coagulation +ve and what they cause
Staph. Aureus - wounds, skin infections etc
Give all Gram +ve cocci - clusters - coagulation -ve and what they cause
Coagulation -ve e.g. Staph. epidermidis - skin commensals, IV line infections
How are aerobic Gram +ve bacilli subdivided
Small / Large
How are small aerobic Gram +ve bacilli subdivided
Corynebacterium sp. (Corynebacterium diptheriae / diptheroids) / or not Listeria monocytogenes
How are large aerobic Gram +ve bacilli subdivided
They are all Bacillus sp. - Bacillus cerus or Bacillus anthraxis
How are Gram +ve anaerobes subdivided
Cocci / Bacilli
How are Gram +ve anaerobic bacilli subdivided
Clostridium sp. - Clostridium tetani, Clostridium perfringens and Clostridium difficile
What does strep. pneumoniae cause
Pneumonia, meningitis
What does strep. viridans cause
Endocarditis