Jove
Visualize
Contact Us

Related Experiment Videos

[The origin and evolution of viruses].

E Rødahl1

  • 1Avd for mikrobiologi, Regionsykehuset, Trondheim.

Nordisk Medicin
|January 1, 1990
PubMed
Summary

Viruses and hosts co-evolve through mutations and genetic recombination. Natural selection favors less virulent viruses and more resistant hosts, leading to a balanced infection dynamic.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Diagnosis and rehabilitation of visual field defects in stroke patients: a retrospective audit.

Cerebrovascular diseases extra·2012
Same author

Transcription from the gene encoding the herpesvirus entry receptor nectin-1 (HveC) in nervous tissue of adult mouse.

Virology·2001
Same author

[Orbital tumors].

Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke·2001
Same author

A herpes simplex virus type 1 vector as marker for retrograde neuronal tracing: characterization of lacZ transcription and localization of labelled neuronal cells in sensory and autonomic ganglia after inoculation of the anterior segment of the eye.

Experimental eye research·2000
Same author

[Referral to a specialist].

Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke·2000
Same author

[Endophthalmitis].

Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke·2000
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Area of Science:

  • Virology
  • Evolutionary Biology
  • Genetics

Context:

  • Understanding viral origins and host-pathogen interactions is crucial in epidemiology.
  • Viral evolution is shaped by host defense mechanisms and transmission routes.

Purpose:

  • To explore hypotheses on viral origins and introduction into host populations.
  • To describe the co-evolutionary dynamics between viruses and their hosts.
  • To analyze the evolutionary pressures driving viral virulence and host resistance.

Summary:

  • Viruses originate through various hypotheses and require specific prerequisites for host introduction.
  • Viral evolution involves mutations and genetic recombination, driven by host defenses and transmission.
  • Selection favors viruses with high reproduction rates that do not kill hosts, leading to decreased virulence.
  • Host populations evolve resistance, eliminating susceptible individuals.

Impact:

  • This research clarifies the evolutionary trajectory of viral diseases.
  • It provides insights into the mechanisms of host-pathogen adaptation.
  • Understanding these dynamics can inform strategies for managing infectious diseases.

Related Experiment Videos