Complex of Virus-Like Particles Containing Double-Stranded RNA from Thielaviopsis basicola.
Six randomly selected isolates of Thielaviopsis basicola were found to contain spherical virus-like particles (VLPs) approximately 40 nm in diameter. One isolate, ATCC 34114, selected for further analysis contained a complex of VLPs that sedimented as eight or more bands in sucrose density gradients and contained five size classes of double-stranded RNA. Five discrete precipitation lines were obtained in immunoelectrophoresis, which indicated that this isolate of T. basicola contains five distinct species of VLPs.
Bozarth
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Boyce Thompson Institute, Yonkers, New York 10701.
Goenaga
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