Flashcards in Lecture 18 - Ch 27 - Microbial Interactions with Humans Deck (12)
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1
Microorganisms usually found associated with human body tissue
normal microbial flora
2
The decrease or loss of virulence
attenuation
3
Organism causes disease by means of a toxin that inhibits host cell function or kills host cells
toxicity
4
Ability of a pathogen to grow in host tissue at densities that inhibit host function
Invasiveness
5
Proteins released from the pathogen cell as it grows
exotoxins
6
what are the 3 types of exotoxins?
Cytolytic toxins
AB toxins
Superantigen toxins
7
which type of toxins are responsible for cell lysis?
Type II - membrane disrupting toxins
8
which type of toxins use enzymatic activity?
Type III - A-B Toxins
9
What are type I toxins?
Superantigens
10
What is an example of a superantigen?
Toxic Shock Syndrome (from Staphylococcus aureus)
11
What is the name of the endotoxin?
lipopolysaccharide (LPS)
12
