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Microbiology > Exam 4- RNA viruses > Flashcards

Exam 4- RNA viruses Flashcards

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1
Q

What are the type of proteins on the envelope of retroviridae?

A

gag

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2
Q

3 important viral enzymes in retroviridae?

A

1) Reverse transcriptase
2) Integrase
3) RNA polymerase II (RNAPII)

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3
Q

_________ - any virus with DNA or RNA genome causing cancer

A

Oncovirus

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4
Q

________- gene that encodes for proteins regulating gell growth and differentiation and that can become an oncogene.

A

Proto-oncogene

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5
Q

________- are required for building in the genetic material.

A

Active cells

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6
Q

2 types of mechaisms of transformation for Retroviruses?

A
  • Proto-oncogenes mistakenly incorporated into provirus
  • Disruption of cellular proto-oncogenes
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7
Q

What is the genus and species of this disease?

Also the disease’s common name?

A

Alpharetrovirus

Avian sarcoma leucosis virus (ASLV or ALV)

AKA- Avian Leukosis

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8
Q

________– causes lymphoid leucosis and lymphoma (blood cell tumor from lymphocytes

A

Avian Leukosis

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9
Q

The genus and species of Enzootic Nasal Tumor?

A

G-Betaretrovirus

S-Enzootic nasal tumor virus (ENTV)

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10
Q

What is the host for Enzootic Nasal Tumor?

A

sheep,goats

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11
Q

The genus and species for Jaagsiekte?

A

G-Betaretrovirus

S- Jaagsiekte sheep retrovirus (JSRV)

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12
Q

_________– is a contagious lung cancer or ovine pulomonary adenocarcinoma.

A

Jaagsiekte

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13
Q

Clinical signs of Jaagsiekta?

A

Respiratory distress when you chase the animal, Lots of nasal discharge.

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14
Q

What is the genus and species? and common name?

A

G- Deltaretrovirus

S- Bovine Leukemia virus (BLV)

AKA- Bovine Leukosis

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15
Q

Symptoms of Bovine Leukosis?

A

-enlargement of lymph nodes

Ex: retro-ocular –> protrusion of conjunctional membrane

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16
Q

What is the genus and species of Feline Leukemia?

A

G- Gammaretrovirus

S- Feline Leukemie virus (FeLV)

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17
Q

What is diseas? its Genus, species also?

A

Equine Infectious Anemia aka swamp fever

G- Lentivirus

S-Equine infectious anemia virus (EIAV)

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18
Q

What cells are infected in Feline Immunodeficiency virus?

A

CD4T-helper cells, CD8t-cells, B-cells, macrophages

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19
Q

What type of RNA virus is bullet shaped?

A

Rhabdoviridae

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20
Q

Which virus type has Negri bodies?

A

Rhabdoviridae

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21
Q

Rhabdoviridae is present in all countries except?

A

Australia and Antarctica

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22
Q

What is the genus of the Rabies?

A

Lyssavirus

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23
Q

Is rabies a fast or slow moving virus?

A

slow

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24
Q

Test used for rabies detection?

A

direct fluorescent antibody test- look for presence of rabies virus antigens in brain tissue

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25
What Type of RNA virus is segmented?
Orthomyxoviridae
26
Influenza A affects what types of animals?
Humans, birds, mammals
27
Influenza B affects what types of animals?
humans, seals
28
Influenza C affects what types of animals?
humans, pigs, dogs
29
Is swine flu affected by Influenza A, Influenza B, or Influenza C? or all?
A and C. Most common A, rare= C, B not found yet
30
A filamentous or pleomorphic type of RNA virus
Filovirdiae
31
What virus is shown? and its genus
Marburg Haemorrhagic Fever G-Marburgvirus
32
"Respiratory Enteric Orphan" related to which virus?
Reoviridae
33
What virus is shown? and its genus?
Blue tongue G- Orbivirus
34
What is the transmission route of Blue tongue disease ?
Arthropod bite
35
What is the following disease and its genus?
Viral Diarrhoea G- Rotavirus
36
orthomyxo
segmented genome allows for antigenic shift
37
paramyxoviruses
non-segmented, one serotype \> long term immunity
38
What is the following disease? Genus and species?
Canine Distemper G-morbillivirus S-canine distemper virus
39
What systems does canine distemper attack?
respiratory, gastrointestional, nervous
40
What is the following disease and its genus?
Rinderpest G-morbillivirus
41
What are the 3 D's of Rhinderpest?
Dead, Discharge, Diarrhea
42
What disease is shown? and genus?
New castle disease G- Avulavirus
43
Is new castle disease contagious?
yes
44
The envelope on this type of virus is petal shaped spikes (peplomers)
Coronavirdae
45
Which type of virus is shown? and its genus?
feline infectioud peritonitis (FIP) Alphacoronavirus
46
2 forms of FIP
1) Feline Enteric acoronavirus (FECV) 2) Feline Infectious peritonitis virus (FIPV)
47
clinical systems of dry non-effusive FIP
loss of appettie, weight loss, yelowing inside of eye, iris color change
48
clinical signs of wet or effusive FIP
damaged and leaking blood vessels, ascites, difficult breathing
49
Genus of SARS?
Genus Betacoronavirus
50
How are the surface proteins organized in Flaviviridae viruses?
icosahedral-like symmetry
51
How is Flaviviridae transmited?
Vector- mosquitos, dicks
52
Genus of west nile fever
Flavivirus
53
What symptons does west nile cause?
neurological symptoms
54
What virus is shown and genus?
Bovine Viral Diarrhea (BVD) Pestivirus
55
What virus causes significant economic disease of cattle?
Bovine viral diarrhea (BVD)
56
What is the genus of Zika fever?
Flavivirus
57
\_\_\_\_\_\_\_\_\_\_ is a arthropod borne virus and replicates to maintain a cycle between host and vector
Arbovirus
58
\_\_\_\_\_\_\_\_\_\_ is endemic in animal populations
enzootic
59
\_\_\_\_\_\_\_\_\_- is epidemic outbreak of a disease in animal population
Epizootic
60
What is the following disease and its genus?
Foot and Mouth disease (FMD) G-Aphtovirus
61
FMD is infectious via?
Excretions and secretions of infected animal
62
What is the genus of Poliomyelitis?
Enterovirus
63
What type of virus is difficult to grow in culture?
Caliciviridae
64
genus Vesivirus, Lagovirus, norovirus are part of what type of virus?
Caliciviridae
65
What disease is shown? genus?
Feline Calicivirus G-Vesivirus
66
\_\_\_\_\_\_\_\_\_\_ diease is a important viral cause of respiratory infection in cats.
Feline Calicivirus
67
What RNA viruses are zoonoic? Arbovirus, West nile fever, Rinderpest, Marburg Haemorrhagic Fever, Ebola, Rabies

Microbiology (9 decks)

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