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Evidence of genomic and replicative DWV strands. Gel electrophoresis of strand-specific RT-PCR of the cDNA from 8 individuals: genomic strand (+) and replicative strand (−). Positive control (C+): cDNA from replicative DWV of Apis mellifera workers. Negative control (C−): non-replicative DWV of A. mellifera workers. N: DNA- and Rnase-free water. DWV, deformed wing virus.
