Extracellular polysaccharide production by aRhzobium sp. from root nodules ofDerris scandens |
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Authors: | P S De P S Basu |
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Institution: | (1) Department of Botany, Burdwan University, Golapbag, 713 104 Burdwan, West Bengal, India |
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Abstract: | TheRhizobium sp. isolated from the root nodules of the leguminous climbing shrubDerris scandens produced a large amount of extracellular polysaccharides in a yeast extract—mannitol medium in the stationary phase of growth.
The production was maximum when the medium was supplemented with mannitol (3%), (+)-biotin (3 mg/L) and KNO3 (0.3%). The extracellular polysaccharides contained glucose, galactose and mannose. The possible role of the rhizobial extracellular
polysaccharide is discussed. |
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Keywords: | |
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