Other general Q's

Question 1

What is Mallein?

Answer 1

• It is Glycoprotein extracted from the Bacterium

Question 2

Name the Pigments Pseudomonas spp. can produce (4)

Answer 2

• Pyocyanin (Blue)
• Pyoverdin (Yellow/Fluorescens)
• Pyorubin (Red)
• Pyomelanin (Dark Brown)

Species can vary in combination and amount, some can produce all 4!

Question 3

Where can Pseudomonas spp. be found?

Answer 3

Everywhere!
* Soil
* Water
* Plants
* Skin
* Faeces

Question 4

What is special about Pseudomonas spp. (2)

Answer 4

1. Pigmentation
2. Exopolysaccharide secretion = Slime layer

Question 5

Explain Exopolysaccharides

Answer 5

• Known as Slime layer
• Secreted by bacteria
• Makes it difficult for bacteria to be Phagocytosed by WBC
• Contributes to surfacecolonising biofilms

Question 6

What is Saprophyte?

Answer 6

• a plant, fungus, or microorganism that lives on dead or decaying organic matter

Question 7

What is Facultative pathogens?

Answer 7

• A facultative pathogen is a bacteria that does not absolutely rely on any host for reproduction/multiplication

Question 8

What is Obligate Pathogen?

Answer 8

• Bacteria that can not complete its life cycle without its host

Question 9

What is an Opportunistic Pathogen?

Answer 9

• Microbes that usually do not cause disease in healthy people, but may become virulent with immunocompromised and unhealthy individuals

Question 10

What is the Predisposition for Pseudomonas Aeruginosa to cause suppurative (Pus) inflammation?

Answer 10

• Trauma-Open wound
• Immunideficiency
• Prolonged antibiotic therapy