MICROBIOLOGY: EVOLV.SCI.-W/ACCESS>CI<
4th Edition
ISBN: 9780393622805
Author: SLONCZEWSKI
Publisher: Norton custom
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Chapter 6.4, Problem 1TQ
Summary Introduction
To review :
Relative advantages and disadvantages of the slow release strategy for a virus as compared to the strategy of a temperate phage.
Introduction:
A temperate phage infects and lyses the host cell similar to the virulent phage. Additionally, the temperate phage has an alternative pathway in which the phage integrates its genome as a prophage. Lysogeny is the state in which the phage lysogenizes the host cell. An example of a temperate phage is phage lambda.
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MICROBIOLOGY: EVOLV.SCI.-W/ACCESS>CI<
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- What is the basic structure of the HIV virus? What is the function of the glycoproteins of its envelope?arrow_forwardHow do cellular receptors for viruses come about? does host species that a particular virus infects evolve to have the viral receptors? would the above offer any survival and/or reproductive advantages to the host? how likely does the virus mutate so it would recognize (or fit) a particular exiting surface protein on the target cells of the host?arrow_forwardDescribe the reason behind the occurrence of phage growth and release by the mating with the non-lysogenic recipient, but not with the infection by a lysogenic recipient.arrow_forward
- phage can be "induced" as a result of DNA damage. Consequences of induction include. Temperate phage, e.g lambda phage; lytic cycle and transduction Lytic T4 phage, assembly, conjugation O Lytic phage, e.g. T4 phage; lysogenic cycle, prophage formation Temperate phage, e.g. lambada phage, prophage formation, transformation O T4 phage, lytic cycle, specialized trasnductionarrow_forwardWhat advantages might a phage gain by being capable of lysogeny?arrow_forwardCoronaviruses have a positive-sense single stranded RNA genome. a.) What is the genome replication strategy of this category of viruses? b.) How do you think this feature affects the stability of the viral genome? (hint use figure below) Mutation rates in different types of viruses. Estimates obtained for viruses belonging to the major indicated groups are shown as a function of genome size. This reveals an effect of genetic material (RNA/DNA) and genome size on viral mutation rates.arrow_forward
- Draw a diagram of the one-step growth curve ofvirus replication, and briefly explain why the growthcurve differs from a typical bacterial growth curve.arrow_forwardDescribe the lysogenic pathway of a virus. How different is it from the lytic pathway?arrow_forwardWhat are the advantages and disadvantages to bacteriophages of the lytic and lysogenic reproductive strategies?arrow_forward
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