Lecture 3 Part 2: PICORNAVIRUSES & ENTEROVIRUSES Flashcards
1
Q
Do Picornaviruses have an envelope?
A
no
2
Q
What is the shape of the Picornavirus capsid?
A
icosahedral
3
Q
What type of genome do Picornaviruses have?
A
small, ssRNA (+) viruses
Linear mRNA genome
4
Q
Where are Picornaviruses replicated and assembled?
A
in the cytoplasm
5
Q
How resistant are Picornaviruses to harsh conditions?
A
very resistant
6
Q
What type of Picornavirus can tolerate a wide pH range?
A
Enteroviruses
7
Q
How are Picornaviruses transmitted?
A
Fecal-oral route
8
Q
What type of infection do Picornaviruses cause, and what cells do they target?
A
They cause lytic infections and target specific tissues (tissue tropism)
9
Q
List the virus in the Enterovirus group
A
- Poliovirus
- Coxsackie A virus
- Coxsackie B virus
- Echovirus
10
Q
Which Picornavirus causes the common cold?
A
Rhinovirus
11
Q
Name the 3 other viruses that fall under
A
- Cardiovirus
- Aphthovirus
- Hepatovirus (Hepatitis A virus)
12
Q
slide 16
A
