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Flashcards

Pseudomonas areuginosa

Paula Ut Medical Microbiology . Inglês 5,0Avaliação média 5,0 de 5 (1 avaliação) 16 flashcards

Pseudomonas areuginosa

Flashcards do conjunto (16)

  1. 1Is Pseudomonas Gram Positive or Gram Negative?Pseudomonas is GRAM NEGATIVE!Is Pseudomonas Gram Positive or Gram Negative?
  2. 2Name six features of P.aeruginosa1. gram- negative
    2. motile
    3. catalase- POSITIVE
    4. Genetically diverse
    5. Metabolically diverse
    6. Resistant to many antibiotics
  3. 3Where is this bacteria found?Ubiquitous in soil and waterWhere is this bacteria found?Where is this bacteria found?
  4. 4Who is at RISK for infection?- RARELY in Healthy people (unless it gets past our innate IMR)
    -immunocompromised (i.e. AIDS, chemo)
    -CF patients, burn patients
    -cause of ventilator associated pneumonia (VAP)    Who is at RISK for infection?Who is at RISK for infection?
  5. 5What are some virulence factors in P. areuginosa? (Surface)Pilli-> adherence to surfaces, twitching, movement
    Flagellum-> Movement    What are some virulence factors in P. areuginosa? (Surface)What are some virulence factors in P. areuginosa? (Surface)
  6. 6What are some virulence factors in P. aeruginosa? (Secreted)phospholipase-> hydrolyses (Breaks down) host phospholipids
    elastase-> proteolyses (Breaks down) host proteins
    alginate-> stops host phagocytosis and helps biofilm formation    What are some virulence factors in P. aeruginosa? (Secreted)
  7. 7How do these bacteria encounter hosts?-The bacteria is in many env'ts, ex. in poorly chlorinated swimming pools/hot tubsHow do these bacteria encounter hosts?How do these bacteria encounter hosts?
  8. 8How do these bacteria enter hosts?ADHERE to host cell w/ Type 4 pilli (adhesisns) and flagellaHow do these bacteria enter hosts?How do these bacteria enter hosts?
  9. 9How does P. aeruginosa move/ spread?3 Main Modes of Motility:
    -swimming (flagella)
    -twitching (type 4 pili)
    -swarming (flagella+ type 4 pili)
  10. 10What state does swimming occur?LIQUIDWhat state does swimming occur?
  11. 11What state does Twitching occur?SOLIDWhat state does Twitching occur?
  12. 12What State does Swarming Occur?VISCOUS, Part Liquid/part solidWhat State does Swarming Occur?
  13. 13Name 3 factors that contribute to multiplication/ dissemination1. Resistance to neutrophil phagocytosis
    2. Ability to damage tissue (ex. proteases, T3SS effectors)
    3. Quorum sensing    Name 3 factors that contribute to multiplication/ disseminationName 3 factors that contribute to multiplication/ dissemination
  14. 14What is Quorum sensing?What is Quorum sensing?What is Quorum sensing?
  15. 15How can P. be diagnosed?-It cultured on Pseudomonas isolation agar
    -the colonies are green and smell like almonds and grapes    How can P. be diagnosed?How can P. be diagnosed?
  16. 16What Modes of Parthenogenesis Does this Bacteria have?

Informações

Descrição
. Medical Microbiology FlashCards sobre Pseudomonas areuginosa , criado por Paula Ut em 24-02-2016.
Criado por
Paula Ut
Visualizações
234
Avaliação
Avaliação média 5,0 de 5 (1 avaliação)

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