Structural elements in adenovirus cores. Studies by means of freeze-fracturing and ultrathin sectioning |
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Authors: | M V Nermut |
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Institution: | (1) MRC, National Institute for Medical Research, Mill Hill, London, United Kingdom |
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Abstract: | Summary Rod-like elements have been observed in adenovirions after freeze-fracturing of purified, semi-purified and intra-cellular adenovirus type 5. Their rod-like shape was clearly demonstrated by means of stereomicrographs. Ultrathin sections prepared in parallel with the freeze-fracture replicas revealed linear structures such as ribbons, rings or rods in up to 30 per cent of the semi-purified or intracellular virus particles. These observations indicate that the main structural element in the adenovirus interior is a linear structure either fragmented into 5 to 6 rods or folded 5 to 6 times to fit into the inner space of the virion.With 7 Figures |
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