1887

Abstract

SUMMARY

Preparations of alfalfa mosaic virus made by precipitation with polyethylene glycol were as infective and contained the same relative proportions of components as virus preparations made by ultracentrifugation. A column chromatographic procedure using a continuously decreasing concentration gradient of polyethylene glycol was employed to fractionate the nucleoprotein components of the virus. By this procedure a partial sorting of the virus components into three groups according to particle length was achieved. Particles in the three groups are thought to correspond to top component , top component , and a mixture of middle and bottom components.

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/content/journal/jgv/10.1099/0022-1317-3-3-427
1968-12-01
2022-01-20
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