Micro - POSITIVE Single Stranded RNA Flashcards
What is the smallest of all RNA viruses?
Picornavirus
Is Picornavirus group double or single stranded?
Single
Is Piconavirus positive or negative?
Positive
What is the shape of Picornavirus group capsid?
Icosahedral
Does Picornavirus group have an envelope?
NO
Is Picornavirus replicated in the nucleus or cytoplasm?
Cytoplasm
Does Picornavirs use RDRP?
YES
Does Picornavirus group carry their RDRP?
NO
What are the two subcategories of Picornavirus?
- Rhinoviruses (nose - respiratory)
- Enteroviruses (intestine)
Which subcatagory virus of Picornavirus prefers cooler temp, can’t tolerate acid pH, is common cold virus and has over 150 serological types?
Rhinovirus
What subcatagory virus of Picornavirus prefers hotter temp and can tolerate acid pH?
Enterovirus
What are the major examples of Enterovirus?
- Hepatitis A virus
- Polio virus
- Coxsackie A virus
What specific virus of Enterovirus group is a causative agent of hepatitis A, spread fecal/oral and are common in day care and resaurants
Hepatitis A virus (Enterovirus 72)
What specific virus of Enterovirus group is a causative agent of polio, spread fecal/oral and replicates in nerve cells?
Polio virus
What are the two vaccines to the specific virsu Polio virus?
- Salk - Inactive
- Sabine - Active
Which specific virus of Enterovirus group has symptoms of fever, sore throat, rash that progress to blisters mainly on the hands, foot and mount?
Coxsackie A Virus (A16)
What is unique about Picornavirus group?
Smallest of RNA viruses
PICO = SMALL
Is Togavirus group positive or negative?
Positive
Is Togavirus group double or single stranded RNA?
Single
What is the shape of the Togavirus group capsid?
Icosahedral
Does the Togavirus group have a capsid?
YES - from the plasma membrane
Do the Togavirus group replicate in the nucleus or cytoplasm?
Cytoplasm
Does Togavirus group use RDRP?
YES
Does Togavirus group carry their RDRP?
NO
What are the two subcatagories of Togavirus group?
- Alphavirus
- Flavivirus