Abstract
PECTOLYTIC enzymes have been implicated in the disintegration of plant tissue by a number of phytopathogenic bacteria and fungi1. One procedure to assay culture filtrates for pectolytic activity requires a demonstration of a loss of viscosity for a solution of sodium polypectate or pectin in buffer, using a viscosimeter2. This communication presents results of the effect of 4 buffers at different pH values on the pectolytic activity of culture nitrates from 7 formae speciales of Fusarium oxysporum Schl. emend. Snyder and Hansen.
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References
Husain, A., and Kelman, A., Plant Pathology, edit. by Horsfall, J. G., and Dimond, A. E., 2, 144 (Academic Press, 1959).
Bell, T. A., Etchells, J. H., and Jones, E. D., U.S. Dept. Agric., ARS 72–75, 1 (1955).
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MEYER, J., GARBER, E. & SHAEFFER, S. Effect of Buffers on the Pectolytic Activity of Culture Filtrates of Fusarium oxysporum. Nature 202, 414–415 (1964). https://doi.org/10.1038/202414c0
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DOI: https://doi.org/10.1038/202414c0
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