Download Animal Virus Structure by M.V. Nermut and A.C. Steven (Eds.) PDF

By M.V. Nermut and A.C. Steven (Eds.)

Animal Virus constitution offers a accomplished, cutting-edge precis of the constitution, molecular composition, and imperative antigenic and organic homes of every at the moment famous family members of animal viruses. details deriving from electron microscopy, computing device snapshot processing and X-ray diffraction is built-in systematically with biochemical facts into 3-dimensional molecular versions of viral structure. a short account of virus/cell interplay and pathogenicity completes each one bankruptcy.

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V. D. (1977) Freeze-fracturing of monolayers (capillary layers) of cell membranes and viruses: some technical considerations. J . Microsc. 110, 121-132. C. (1975) Micronets for electron microscopy. Micron 6, 85-92. Plattner, H. and Bachmann, L. (1982) Cryofixation. A tool in biological research. Int. Rev. Cytol. 79, 237-304. Robards. W. B. (1985) Low-temperature methods in biological electron microscopy. In Practical Methods in Electron Microscopy, Ed. M. Glauert, Vol. 10. Elsevier Biomedical, Amsterdam.

Thus the size of negatively stained particles usually exceeds that of freezed-dried ones. Also particles are less collapsed when penetrated by the stain. This is illustrated in Fig. 4 of MuLV negatively stained Fig. 4. Murine leukaemia virus (MuLV) particles negatively stained with uranyl acetate. Particles on the left are not penetrated by stain; they appear collapsed and surface knobs are well visualized. The remaining three particles penetrated by uranyl acetate are less collapsed and reveal internal structure.

1A), and those of class P = 3 as constructed from a pentagonal dodecahedron (Fig. 9). All deltahedra of the skew class occur in two enantiomorphs, left-handed (laevo)and right-handed (dextro, Figs. 10). The number of structure units (polypeptides) within one morphological unit can be 2, 3, 5 or 6 . e. trimers (adenovirus, iridovirus), pentamers (papovavirus) or hexamers (herpesvirus) of one polypeptide, or heterooligomers consisting of two or more polypeptide chains (picornaviruses, possibly also parvoviruses and outer capsid of reovirus).

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