Figure 1From: Adeno-associated virus: from defective virus to effective vectorTransmission electron microscopy of AAV2 and Ad5 particles in human cells. (A) AAV2 and Ad5 particles in the nucleus of a HeLa cell at 48 hours after co-infection. Magnification: × 15,000. (B) AAV2 virions in a HeLa cell at 48 hours after co-infection with Ad5. Magnification: × 40,000.Back to article page