Adenoviridae Flashcards
(59 cards)
What are the five recognized genera of Adenoviridae?
Mastadenovirus, Aviadenovirus, Atadenovirus, Siadenovirus, Ichtadenovirus
What is the proposed sixth genus of Adenoviridae?
Testadenovirus
Mastadenovirus primarily affects which species?
Mammals
What unique proteins are found in Mastadenovirus?
Proteins V and IX
What is the function of Protein V in Mastadenovirus?
Involved in viral DNA transport
What is the function of Protein IX in Mastadenovirus?
Involved in transcription activation
Aviadenovirus primarily infects which animals?
Birds
Which unique structural protein is encoded by Atadenovirus?
p32K
Atadenovirus lacks which immunomodulatory proteins found in Mastadenoviruses?
E3 region proteins
Siadenovirus infects which groups of animals?
Birds, reptiles, and amphibians
Ichtadenovirus primarily infects what kind of animals?
Fish
Testadenovirus primarily infects what species?
Turtles
What is the general structure of Adenoviridae virions?
Nonenveloped, hexagonal outline, icosahedral symmetry
How many fibers project from each vertex of Mastadenovirus capsids?
One fiber
How many fibers project from each vertex of Aviadenovirus capsids?
Two fibers
What is the genome structure of Adenoviridae?
Linear double-stranded DNA (dsDNA)
Where does adenovirus replication occur in the host cell?
Nucleus
What is the main structural protein responsible for neutralization in Adenoviridae?
Hexon protein
What plays a role in containing cell-binding ligands for attachment in Adenoviridae virions
Penton fibers
How are Adenoviridae virions released from the host cell?
Cell lysis
What feature distinguishes cells infected with Adenoviruses under a microscope?
Intranuclear inclusion bodies in procrystalline arrays
What proteins induce cell-cycle progression and protect cell lysis during Adenoviridae replication?
E1A
Which tumor suppressor gene is inactivated by E1A and E1B proteins?
p53
What syndrome is caused by Canine adenovirus 1 (CAV-1)?
Infectious canine hepatitis