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Generation of infectious virus particles from inducible transgenic genomes.


ABSTRACT: Arboviruses like dengue virus, yellow fever virus, and West Nile virus are enveloped particles spread by mosquitoes, infecting millions of humans per year, with neither effective vaccines, nor specific antiviral therapies [1,2]. Previous studies of infection and virus replication utilize either purified virus particles or deficient genomes that do not complete the viral life cycle [1,2]. Here we describe transgenic Drosophila strains expressing trans-complementing genomes (referred to as 'replicons') from the arbovirus Sindbis [2]. We use this binary system to produce, for the first time in any metazoan, infectious virus particles through self-assembly from transgenes. Such cell-type specific particle 'launching' could serve as an attractive alternative for the development of virus-based tools and the study of virus biology in specific tissues.

SUBMITTER: Wernet MF 

PROVIDER: S-EPMC4110053 | biostudies-literature | 2014 Feb

REPOSITORIES: biostudies-literature

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Generation of infectious virus particles from inducible transgenic genomes.

Wernet Mathias F MF   Klovstad Martha M   Clandinin Thomas R TR  

Current biology : CB 20140201 3


Arboviruses like dengue virus, yellow fever virus, and West Nile virus are enveloped particles spread by mosquitoes, infecting millions of humans per year, with neither effective vaccines, nor specific antiviral therapies [1,2]. Previous studies of infection and virus replication utilize either purified virus particles or deficient genomes that do not complete the viral life cycle [1,2]. Here we describe transgenic Drosophila strains expressing trans-complementing genomes (referred to as 'replic  ...[more]

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