1 am j vet res 1953 jan1450111 2 electron microscopic study of the virus of rabies article in undetermined language reagan rl day wc harmon mp brueckner al. The ultrastructure of viruses can be examined by electron microscopy using this method the structural components of viruses and their inclusions can be observed in detail rabies virus is in the family of rhabdoviruses when viewed with an electron microscope rhabdoviruses are seen as bullet shaped particles. In a recent study electron microscopy has shown that purified rabies virus glycoprotein particles have the club shaped appearance of envelope spikes with a total length of 100 i 15 extending 65 75 from the trans parent layer of the envelope the spikes therefore penetrate that layer which is 75 110 thick to a depth of 25 50 a . rabies virus was observed in various stages of disruption induced by several treatments the nucleocapsid a helix 650 a in diameter has 28 2 full turns with five decreasing turns at the hemispherical end of the virus there are 1200 1700 subunits approximately 40 a x 25 a arranged along its length the virus envelope appears to consist of three concentric layers the surface
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