Potato Lectin: A Cell-Wall Glycoprotein |
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| Authors: | Casalongu? Claudia; Lezica Rafael Pont |
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| Institution: | Instituto de Investigaciones Biol?gicas, Facultad de Ciencias Exactas y Naturales, UNMdP and Centro de Investigaciones Biol?gicas FIBA, C. Correo 1348, 7600-Mar del Plata, Argentina |
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| Abstract: | The activity and the amount of potato lectin were measured inpotato tuber slices (Solanum tuberosum cv. Huinkul) aeratedfor 48 h. Lectin was found in a soluble form, liberated to themedium and associated with insoluble structures. Polyacrylamidegel electrophoresis in denaturating conditions and immunologicaltechniques indicated that the lectins associated to cell wall,soluble or liberated to the medium, were identical. The cell-wallfraction was found to contain 65% of total lectin in the tuber.The possible role of potato lectin in tubers was discussed. (Received June 5, 1985; Accepted September 3, 1985) |
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