Lecture 3: Environmental Interactions Flashcards
1
Q
List properties of ameobae
A
A group within protozoa
Diverse
Ubiquitous
2
Q
What are the two stages in amoeba life cycle?
A
Trophozoite
Cysts
3
Q
What are trophozoites?
A
The metabolically active stage, feeds on bacteria and multiplies by binary fission.
4
Q
What bacteria have an association with protozoa?
A
Legionella pneumophila
Escherichia coli O157
Mycobacterium avium/paratuberculosis
5
Q
What disease does legionella cause?
A
Legionnaires disease
6
Q
What is the main species of legionella?
A
pneumophila
7
Q
What are symptoms when infected with legionella pneumophla?
A
Flu like
Potential pneumonia in older and immunocompromised individuals
8
Q
What is the reservoir for legionella pneumophila?
A
Lakes rivers, shower, taps
