Promotion of germination and shoot elongation of some plants by alginate oligomers prepared with bacterial alginate lyase |
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Affiliation: | 1. Division of Food & Beverage Research, Otsuka Chemical Co., Ltd., Kawauchi, Tokushima 771-01, Japan;2. Laboratory of Microbiology; Department of Fisheries, Faculty of Agriculture, Kyoto University; Kyoto 606, Japan;3. Research Institute for Food Science, Kyoto University; Uji, Kyoto 611, Japan;1. AICRP on Groundnut, Directorate of Research, Bidhan Chandra Krishi Viswavidyalaya, Kalyani, Nadia, West Bengal 741235, India;2. Department of Agricultural Biotechnology, Faculty Centre for Integrated Rural Development and Management, School of Agriculture and Rural Development, Ramakrishna Mission Vivekananda University, Ramakrishna Mission Ashrama, Narendrapur, Kolkata 700103, India;3. Department of Agricultural Biotechnology, Faculty of Agriculture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, West Bengal 741252, India;1. Department of Food Science, University of Copenhagen, Rolighedsvej 26, DK-1958, Frederiksberg C, Copenhagen, Denmark;2. Dupont Nutrition and Health, Industriveien 33, N-1337, Sandvika, Norway |
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Abstract: | Depolymerization of sodium alginate (average molecular weight: 25,700) from an edible seaweed Eisenia bicyclis with bacterial alginate lyase yielded oligosaccharide(s) with an average molecular weight of 1,800 together with other components. The proliferation and/or differentiation of plants was markedly enhanced in the presence of the oligosaccharide(s), although that of mammalian (HeLa) cells and an algae (Chlamidomonas sp.) was not. The results indicate that the depolymerization products of alginate containing oligosaccharine-like compounds specifically affect the proliferation and/or differentiation of higher plants. |
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