1887

Abstract

The flexible elongated plant virus, potato virus X, has been studied by a number of physical and physical-chemical methods. Here we wish to compare the results of these studies and to make some observations on the structure of the virus which these studies suggest.

X-ray diffraction studies of potato virus X were first made by Bernal & Fankuchen (1941), who obtained diffraction patterns suggesting a periodicity along the virus particle of 33 Å. Later X-ray studies (Tollin 1967) showed that this periodicity varied from 33 to 36 Å depending on the amount of water in the specimen. A dry specimen of potato virus X with improved orientation has been obtained in an identical fashion to that for narcissus mosaic virus (Tollin, Wilson & Young, 1968). The X-ray diffraction pattern (Pl. 1) can be interpreted as being due to a helical arrangement of subunits with a pitch of 33 to 36 Å, depending on water content.

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/content/journal/jgv/10.1099/0022-1317-5-1-151
1969-07-01
2019-10-14
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http://instance.metastore.ingenta.com/content/journal/jgv/10.1099/0022-1317-5-1-151
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