Amy Kendall
Last active: 3/14/2012

Wheat streak mosaic virus--structural parameters for a Potyvirus.

Parker L, Kendall A, Berger PH, Shiel PJ, Stubbs G
Virology. 2005 340 (1): 64-9

PMID: 16026812 · DOI:10.1016/j.virol.2005.06.022

Wheat streak mosaic virus is a Tritimovirus, a member of the Potyviridae family, which includes the very large Potyvirus genus. We have examined wheat streak mosaic virus by electron microscopy and fiber diffraction from partially oriented sols, and analyzed the results to estimate the symmetry and structural parameters of the viral helix. The virions have an apparent radius of 63 +/- 5 A. The viral helix has a pitch of 33.4 A +/- 0.6 A. There appear to be 6.9 subunits per turn of the helix, although we cannot completely eliminate values of 5.9 or 7.9 for this parameter.

MeSH Terms (8)

Capsid Proteins Microscopy, Electron Potyvirus Protein Structure, Secondary Soil Microbiology Triticum Virion X-Ray Diffraction

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