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Related Experiment Videos

Construction and Rescue of a Functional Synthetic Baculovirus.

Yu Shang1,2, Manli Wang1, Gengfu Xiao1

  • 1State Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences , Wuhan 430071, PR China.

ACS Synthetic Biology
|April 7, 2017
PubMed
Summary

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Researchers synthesized the largest DNA virus to date, a baculovirus, demonstrating a new platform for engineering large DNA viruses like herpesviruses and poxviruses.

Area of Science:

  • Synthetic virology
  • Molecular biology
  • Genomics

Background:

  • Synthetic viruses are crucial for understanding viral nature and engineering novel properties.
  • Previous syntheses focused on smaller RNA and DNA viruses.
  • Baculoviruses possess large dsDNA genomes and have applications in biocontrol and protein expression.

Purpose of the Study:

  • To report the first synthesis of a large DNA virus, specifically a baculovirus.
  • To establish a proof of concept for synthesizing bona fide baculoviruses.
  • To create a platform for future genetic manipulation and studies of large DNA viruses.

Main Methods:

  • Utilized PCR and transformation-associated recombination in yeast for genome synthesis.
  • Constructed a synthetic baculovirus genome (AcMNPV-WIV-Syn1) of 145,299 bp.
Keywords:
AcMNPVbaculoviruslarge DNA virussynthetic genome

Related Experiment Videos

  • Transfected Sf9 insect cells with synthetic DNA and analyzed progeny virus properties.

    • Main Results:

    • The synthetic baculovirus AcMNPV-WIV-Syn1 exhibited structural and biological properties comparable to the parental virus.
    • Electron microscopy, growth curves, and infectivity assays confirmed viral integrity and function.
    • Successfully synthesized the largest DNA virus reported to date.

    Conclusions:

    • Validated the feasibility of synthesizing a bona fide baculovirus.
    • The developed platform enables manipulation of baculovirus genomes for future research.
    • This achievement is expected to stimulate research on other large DNA viruses.