Science Seen | Dengue Junior
Image: Ying Zhang, Richard Kuhn, Tim Baker, Michael Rossmann, Purdue University |
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 This image, assembled by Purdue University researchers and others from cryoelectron micrographs of immature dengue viral particles, shows the 60 or so trimers, or three-pronged protein spikes, on its surface. Each protein molecule contains a fusion peptide that the virus uses to attach itself to a potential host. A mature dengue particle, in contrast, has a smooth surface.  |
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