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Related Experiment Video

Updated: Apr 13, 2026

Modeling The Lifecycle Of Ebola Virus Under Biosafety Level 2 Conditions With Virus-like Particles Containing Tetracistronic Minigenomes
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Entry of Ebola Virus is an Asynchronous Process.

Olivier Reynard1, Viktor E Volchkov1

  • 1Laboratory Molecular Basis of Viral Pathogenicity, International Centre for Research in Infectiology (CIRI), INSERM U1111, Université de Lyon, Université Claude Bernard Lyon 1, Ecole Normale Supérieure de Lyon, France.

The Journal of Infectious Diseases
|May 6, 2015
PubMed
Summary

Ebola virus (EBOV) entry into cells is not immediate. This study shows EBOV remains cell-bound for a prolonged period before internalization, impacting infection dynamics.

Keywords:
Ebola virusfamily Filoviridaeglycoprotein GPvirus attachmentvirus entry kineticsvirus neutralizing antibody

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Area of Science:

  • Virology
  • Cell Biology
  • Immunology

Background:

  • Ebola virus (EBOV) causes severe hemorrhagic fever with high mortality.
  • Understanding EBOV entry mechanisms is crucial for developing effective treatments.
  • The initial attachment and internalization steps of viral entry are complex and not fully elucidated.

Purpose of the Study:

  • To investigate the kinetics of Ebola virus (EBOV) internalization into host cells.
  • To characterize the temporal dynamics of EBOV entry.
  • To explore the implications of EBOV attachment diversity on entry kinetics.

Main Methods:

  • Utilized a neutralizing monoclonal antibody targeting EBOV infectivity.
  • Monitored EBOV entry into cells over time.
  • Analyzed the asynchronous nature of viral internalization.

Main Results:

  • EBOV entry into cells is an asynchronous process.
  • The virus can remain in a cell-bound state for an extended duration before internalization.
  • Monoclonal antibody activity provided insights into the timing of EBOV internalization.

Conclusions:

  • EBOV internalization is a time-dependent and asynchronous process.
  • The extended cell-bound phase of EBOV may influence infection kinetics and therapeutic strategies.
  • Further research into EBOV entry dynamics is warranted.