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. 1975 Jul;56(1):83–87. doi: 10.1104/pp.56.1.83

β-1, 3-Glucan Synthase from Lilium longiflorum Pollen 1

Darlene Southworth a, David B Dickinson a
PMCID: PMC541302  PMID: 16659263

Abstract

A particulate fraction from pollen tubes and ungerminated pollen of Lilium longiflorum incorporated 14C-glucose from UDP-glucose-14C into a lipid fraction and into β-1, 3-glucan. Partial hydrolysis of the glucan yielded laminaribiose as the only radioactive disaccharide. The preferred substrate was UDP-glucose, and enzyme activity was stimulated by glucose and by β-linked di- and trisaccharides. Enzyme from growing pollen tubes synthesized β-1, 3-glucan more rapidly and produced a higher proportion of alkali-insoluble glucan than did enzyme from ungerminated pollen. The onset of pollen tube growth may be dependent on altered activity of β-1, 3-glucan synthase.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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