Infectious RNA transcripts from full-length dengue virus type 2 cDNA clones made in yeast

Abstract excerpt

The dengue virus type 2 genomic RNA was amplified by reverse transcription-PCR and cloned as four cDNA fragments. We could not assemble these four fragments into full-length cDNA in Escherichia coli. The full-length dengue virus cDNA was constructed by homologous recombination in yeast, either as part of a yeast artificial chromosome or in a yeast-E. coli shuttle vector. Full-length cDNA clones were propagated...

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