Seaweed liquid fertilizer fromAscophyllum nodosum contains elicitors of plantd-glycanases |
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| Authors: | Pascale Patier Jean-Claude Yvin Bernard Kloareg Yvette Liénart Cyrille Rochas |
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| Institution: | (1) Centre de Recherches sur les Macromolécules Végétales, C.N.R.S., associé à l'Université Joseph Fourier de Grenoble, BP 53 X, 38041 Grenoble Cedex, France;(2) Laboratoires Goëmar S.A., BP 55, 35413 Saint-Malo Cedex, France;(3) Centre d'Etudes Océanologiques et de Biologie Marine, C.N.R.S., BP 74, 29682 Roscoff Cedex, France |
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| Abstract: | The structure of the major component contained in a liquid seaweed extract prepared fromAscophyllum nodosum (Phaeophyta, Fucales) was investigated. The extract was fractionated by gel permeation chromatography, and the various fractions were analysed by GLC, HPLC,13C NMR spectroscopy and mass spectrometry. All fractions were derivatives of the branched  -d-(1 3) glucan known as laminaran. They were capable of elicitingd-glycanase activities (laminaranase,  -amylase) inRubus fruticosus suspended-cell cultures. |
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| Keywords: | Ascophyllum nodosum laminaran elicitor plant  -d-glycanases" target="_blank">gif" alt="beta" align="MIDDLE" BORDER="0">-d-glycanases |
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