Fig. 10. (A) The intact enveloped HSV-1 virion envelope. (B) Addition of 0.2% Triton X-100 partially removes the lipid envelope. Most of this capsid is covered by a irregular collection of particles of approx 10 nm in size (area A), which correspond to tegument proteins. In a smaller region the underlying, highly regular capsid is exposed (area B). (C) DNA escapes from the capsids after treatment with 0.5% SDS. Bundles of several DNA chains are indicated with arrows. The area in the white rectangle is enlarged in (C). Fragment of double-stranded DNA escaping from a capsid is seen in insets 1 and 2. (Reproduced with permission from ref. 7.)

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