Plant Pathology, Department of
Department of Plant Pathology: Faculty Publications
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Document Type
Article
Date of this Version
8-1985
Abstract
A development-specific protein (SSP) makes up about 35 to 40% of the total protein in sclerotia of the fungus Sclerotinia sclerotiorum. The protein consists of three charge isomers, with one isomer making up 80 to 90% of the total. In vitro translation of poly(A)+ RNA isolated from cells in early stages of sclerotia formation revealed that 44% of the amino acids incorporated was into SSP. In vivo- and in vitro-synthesized forms of SSP migrated at identical rates on both isoelectric focusing and denaturing polyacrylamide gels, indicating that SSP was not synthesized as a larger precursor. This was significant because SSP accumulated in membrane-bound, organellelike structures which resemble protein bodies found in seeds of many higher plants.
Comments
Published in JOURNAL OF BACTERIOLOGY, Au. 1985, p. 696-703 0021-9193/85/080696-08$02.00/0 Copyright © 1985, American Society for Microbiology. Used by permission.