Podcast
Questions and Answers
Coronaviruses typically range in size from 60-200 nm, making them relatively small compared to bacteria.
Coronaviruses typically range in size from 60-200 nm, making them relatively small compared to bacteria.
True (A)
Coronaviruses contain double-stranded DNA as their genetic material, similar to human cells.
Coronaviruses contain double-stranded DNA as their genetic material, similar to human cells.
False (B)
The E1 protein is primarly responsible for cell adhesion.
The E1 protein is primarly responsible for cell adhesion.
False (B)
Coronaviruses enter cells through active transport, a process requiring the host cell to expend energy.
Coronaviruses enter cells through active transport, a process requiring the host cell to expend energy.
Coronaviridae family is classified under the order Herpesvirales, which shares similar replication mechanisms.
Coronaviridae family is classified under the order Herpesvirales, which shares similar replication mechanisms.
The 'S' protein is responsible for the crown-like appearance of coronaviruses under an electron microscope.
The 'S' protein is responsible for the crown-like appearance of coronaviruses under an electron microscope.
Infectious Bronchitis (IBV) in poultry is caused by Avian Influenza virus.
Infectious Bronchitis (IBV) in poultry is caused by Avian Influenza virus.
IBV in birds is primarily transmitted through contaminated water sources.
IBV in birds is primarily transmitted through contaminated water sources.
The use of PCR, ELISA, and virus neutralization tests is essential for the clinical diagnosis of IBV infections.
The use of PCR, ELISA, and virus neutralization tests is essential for the clinical diagnosis of IBV infections.
Controlling IBV infection in poultry solely relies on administering antibiotics to infected birds.
Controlling IBV infection in poultry solely relies on administering antibiotics to infected birds.
Flashcards
Nidovirales
Nidovirales
The classification of the Coronaviridae family.
Membrane fusion
Membrane fusion
The method by which Coronavirus enters cells.
IBV disease
IBV disease
Infectious Bronchitis in poultry.
Main mode of IBV transmission
Main mode of IBV transmission
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Methods to diagnose IBV
Methods to diagnose IBV
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Best way to control IBV in poultry
Best way to control IBV in poultry
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Types of vaccine used against IBV
Types of vaccine used against IBV
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Best environment for cultivating IBV
Best environment for cultivating IBV
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How long does IBV shedding last?
How long does IBV shedding last?
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Factors that increase IBV severity
Factors that increase IBV severity
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Study Notes
- Coronaviruses are 60-200 nm in size.
- Coronaviruses contain single-stranded +RNA as their genetic material.
- E2 protein is responsible for cell adhesion in coronaviruses.
- Coronavirus enters cells through membrane fusion.
- Coronaviridae family is classified under Nidovirales.
- E2 protein is responsible for the crown shape of the virus.
- IBV (Infectious Bronchitis Virus) in poultry causes Infectious Bronchitis.
- The main mode of transmission of IBV in birds is through direct contact and airborne droplets.
- Methods like PCR, tissue culture, and antibody tests can be used to diagnose IBV.
IBV Control and Prevention
- Vaccination and biosecurity are effective in controlling IBV infection in poultry.
IBV Serotypes and Vaccines
- There are approximately 100 known serotypes of IBV.
- Live attenuated vaccines are used against IBV.
Viral Genome Stabilization
- The N protein is responsible for stabilizing the viral genome.
IBV Cultivation
- Fertile eggs and chicken embryo kidney cells can be utilized to cultivate IBV.
- IBV shedding lasts for several weeks after infection.
Factors Increasing IBV Severity
- Mycoplasma infection increases the severity of IBV infection.
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