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Ultrastructural analysis of peak I. Material from peak I was pelleted and fixed in glutaraldehyde and prepared for transmission electron microscopy as described in the text. (A) Enveloped virus particle enclosed within a smooth membrane compartment (indicated by the black arrow head) and naked capsids in close proximity to an organellar membrane (indicated by the white arrowhead). (B, C, and D) Additional representative images from peak I. Bar, 0.1 μm.
