RNA vs DNA viruses Flashcards by Lauren Kasper

DNA viruses (6)

Parvoviridae, adenoviridae, papovaviridae, poxviridae, hepadnaviridae, herpesviridae

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RNA viruses (10)

Picornaviridae, togaviridae, coronaviridae, orthomyxoviridae, flavirviridae, retroviridae, paramyxoviridae, rhadoviridae, filoviridae, Reovirdae

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Only ss DNA

Parvoviridae

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Gastroenteritis, fetal death, fifth disease, human parvovirus, B19

Parvoviridae

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Respiratory diseases

Adenoviridae

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Papilloma = wartz

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Polyoma = tumors

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Vacuolation = causes vacuoles in host cell

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HPV is in what family?

Papovaviridae

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Largest of all the viruses

Poxviridae

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Smallpox is aka

Variola

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Vaccinia is aka

Cowpox virus

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Hep B is under what family?

Hepadnaviridae

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Latent viruses that are very large

Herpesviridae

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HHV-1 and HHV-2

Simplexvirus; causes cold sores and genital herpes

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HHV-3

Varicellovirus; causes chickenpox, shingles

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HHV-4

Lymphocryptovirus; EBV: Epstein-Barr virus causes mononucleosis

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HHV-5

Cytomegalovirus

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HHV-6 and HHV-7

Roseolovirus

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HHV-8

Rhadinovirus; causes Kaposi’s sarcoma

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HHV-1 through -8 are under what family?

Herpesviridae

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Is HHV-2 sexually transmitted?

Yes! Genital herepes.

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HHV-2 is dormant in what nerve?

Sacral nerve ganglion.

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HHV-1 is dormant in what nerve?

Trigeminal nerve ganglion

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Which herpes can cause abortion, mental retardation or defective sight and hearing?

HSV-2. Neonatal herpes

Can cross the placenta and infect fetus (hereps).

HSV-2

PICO=

Very small

4 examples of piconaviridae

Polio Coxsackieviruses Enteroviruses Rhinoviruses

Rhinoviruses

Common cold

Enteroviruses happen where?

Intestine

Enteroviruses example

Hep A- acute hep

TOGA=

Cloaked or enveloped

Togaviridae are transmitted by

Arthopods

2 examples of togaviridae

Arboviruses Rubiviruses

Arbovirus example

Encephalitis

Rubivirus example

Rubella

rubella is aka

German measles

German measles are transmitted by

Repiratory transmission

COVID and the common cold are under what family?

Coronaviridae

Most distinctive symptom of COVID-19

New loss of taste or smell

Segmented and enveloped RNA family

Orthomyxoviridae

What virus is under orthomyxoviridae?

Influenza

Can infect swine, birds, and horses.

Influenza A

How many segments are in Influenza?

Is influenza enveloped?

Yes

What does a segmented genome contain?

8 helical nucelocapsids

Influenza type mainly in animals

influenza type mainly in animals and humans

most common type of influenza

Protein spikes are ______.

Antigenic

Peplomers are aka

Protein spikes

Peplomers are made of

Protein

Hemagglutinin

neuraminidase

Peplomer that is responsible for release from the host cell

N= neuraminidase

Peplomer that is responsible for attachment

H= hemagglutinin

Antigenic drift

Small point mutations Epidemics

antigenic shift

Less common Only in influenza A Major and sudden change in H and/or N creating new strain Pandemics

“Mixing” bowl

Pigs

Severe viral pneumonia Come on in few days, death shortly follows Lungs massively hemorrhaged or filled with fluid

1918 Spanish flu

Induced a cytokine storm

1918 Spanish flu

H1N1 is aka

Swine flu

Swine flu is a strain of

Influenza A

T/F Swine flu had a high mortality rate.

False! Low mortality rate, with high infection rate.

Influenza is positive or negative?

Negative

Treatment for influenza

Tamiflu

neuraminidase inhibitors is aka

Tamiflu

Influenza vaccines are grown in

Eggs

Hep C is under what family?

Flaviviridae

Yellow fever is under what family?

Flavivridae

Retroviridae is positive or negative?

Only diploid virus

Retroviridae

HTLV-1

Leukemia viruses

Oncoviruses

RNA tumor viruses

3 examples of retroviridae

Oncoviruses HTLV-1 HIV

Reverse transcriptase is used in what family?

Retroviridae

“Near” + “mucus”

Paramyxoviridae

3 examples of Paramyxoviridae

Parainfluenza Mumps Measles

“Rod”

Rhabdoviridae

Shaped like bullets and spiked envelope

Rhabdovirdiae

Shaped like bullets and spiked envelope

Rhabdovirdiae

Example of rhabdoviridae

Rabies

Once the symptoms appear, 100% mortality rate

Rabies

Segmented and naked RNA

Reoviridae

Only double stranded RNA

Reoviridae

Reoviridae R=

Respiratory diseases

Reovirdae E=

Enteric diseases

Reovirdiae O=

Orphan- not associated with any disease

2 examples of Reoviridae

Rota virus- severe diarrhea in young children Colorado tick fever virus