<p>Images of viruses and actin tails obtained in <i>in vitro</i> assays after negative staining and conventional transmission EM. (A) Budded baculovirus in the infected cell supernatant. (B) De-enveloped virus obtained after detergent treatment of the budded virus. (C–E) Actin comet tails formed on baculovirus <i>in vitro</i> in the motility cocktail after the incubation times indicated. (F, G) Effect of varying gelsolin concentration on the length of the comet tail filaments. Bars (A, B, F), 100 nm; (C, D, E, G), 500 nm.</p
