Infectious Diseases - Bacteria Classifications Flashcards
Which bacteria lack a cell wall?
** These Rascals May Microscopically Lack Colour **
Treponema Rickettsia Mycobacterium Mycoplasma Legionella pneumophila Chlamydia
Encapsulated Bacteria?
** Some Nasty Killers Have Some Capsule Protection **
Strep pneumonia Neisseria meningitidis Klebsiella H influenza Salmonella typhi Cryptococcus neoformans Pseudomonas aeruginosa
Encapsulated or Lacking a Call Wall?
Strep pneumonia
Encapsulated
Encapsulated or Lacking a Call Wall?
Treponema
Lacks a cell wall
Encapsulated or Lacking a Call Wall?
H influenza
Encapsulated
Encapsulated or Lacking a Call Wall?
Pseudomonas
Encapsulated
Encapsulated or Lacking a Call Wall?
Rickettsia
Lacks a Cell Wall
Encapsulated or Lacking a Call Wall?
Mycobacterium
Lacks a cell wall
Neisseria meningitidis
Encapsulated
Encapsulated or Lacking a Call Wall?
Mycoplasma
Lacks a cell wall
Encapsulated or Lacking a Call Wall?
Legionella pneumophila
Lacks a cell wall
Encapsulated or Lacking a Call Wall?
Chlamydia
Lacks a cell wall
Encapsulated or Lacking a Call Wall?
Klebsiella
Encapsulated
Encapsulated or Lacking a Call Wall?
Salmonella typhi
Encapsulated
Encapsulated or Lacking a Call Wall?
Cryptococcus neoformans
Encapsulated
What are the gram NEGATIVE cocci?
Neisseria meningitidis (**diplococci)
Neisseria gonorrhoea
Moraxella
What do gram negative stain?
Pink/red
What are the gram negative coccobacilli?
H influenza B pertussis Brucella F tularensis P multocida L pneumophila
Gram negative bacilli are separated into lactose positive and lactose negative.
What are the lactose positive?
Fast fermenters:
- Klebsiella
- E. coli
- Enterobacter
Slow fermenters:
- citrobacter
- serratia
Gram negative bacilli are separated into lactose positive and lactose negative.
What are the lactose negative?
Oxidase positive:
- v cholera
- p aeruginosa
Oxidase negative: urease positive
- p mirabilus
- h pylori
Oxidase negative: urease negative
- yersinia
- c jejuni
- shigella
- salmonella
What do gram positive stain as?
Stain purple because of their thick peptidoglycan cell wall
What are the gram positive bacilli?
Bacillus
Clostridium
Corynebacterium diphtheria
Listeria
Gram positive cocci are either Catalase Positive (staph) or Catalase Negative (strep)
Name the staph?
Coag positive:
- s aureus
Coag neg:
- s epidermidis
- s saprophyticus
Gram positive cocci are either Catalase Positive (staph) or Catalase Negative (strep)
Name the strep:
Beta haemolytic: clear on blood agar
- Group A (=pyogenes)
- Group B (= agalactiae)
Gamma haemolytic
- enterococcus (faecalis and faecium)
Alpha haemolytic: green on blood agar
- s pneumoniae
- s viridans (mutants and sanguis)
What classification is:
N meningitidis
Gram negative cocci
What classification is:
H influenza
Gram negative coccobacilli
What classification is:
B pertussis
Gram negative coccobacilli
What classification is:
V cholera
Oxidase positive lactose negative gram negative bacilli
What classification is:
Moraxella
Gram neg cocci
Brucella
Gram neg coccobacilli
What classification is:
N gonorrhoea
Gram neg cocci
What classification is:
E coli and Klebsiella
Lactose positive gram negative bacilli and fast fermenters
What classification is:
Enterobacter
Gram negative lactose positive bacilli and fast fermenters
What classification is:
Clostridium
Gram positive bacilli
Listeria
Gram positive bacilli