Thomas S. Seibles

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Protein patterns of four potato tuber varieties grown in the Northeastern United States were compared by electrophoresis and electrofocusing and found to be distinctly different. Molecular sizes of protein subunits of all four varieties were found to be uniform when charge differences between proteins were masked and disulfide bonds ruptured. Preliminary(More)
A procedure for purification of cell wall fragments was developed. The method utilizes sucrose density gradients to efficiently remove soluble enzyme and membrane contaminants from the cell wall. Purification at each stage was monitored biochemically by the removal of cytoplasmic associated markers and ultrastructurally by thorough electron microscopic(More)