Journal Article

Secretion of Lectin-Binding Material in Rhizoid Differentiation of <i>Spirogyra</i>

Naoko Inoue, Seiji Sonobe, Yoko Nagata and Teruo Shimmen

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 40, issue 9, pages 973-977
Published in print January 1999 | ISSN: 0032-0781
Published online January 1999 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/oxfordjournals.pcp.a029630
Secretion of Lectin-Binding Material in Rhizoid Differentiation of Spirogyra

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Some species of Spirogyra (a green alga) anchor to the substratum by differentiating the rhizoid. The transparent material secreted at the tip of the terminal cell or rhizoid is speculated to be glycoprotein (Nagata 1977). To examine this, we treated Spirogyra filaments with differentiating rhizoid with fluorescently labeled lectins. Among the nineteen lectins examined, only Bandeiraea (Griffonia) simplicifolia lectin I (BSL-I) strongly stained the transparent material, suggesting that the transparent material contains α-D-galactose and methyl-α-D-galactopyranoside. Since the lectin stained the transparent material very strongly, we could detect the secretion at the very early stages of rhizoid differentiation.

Keywords: Adhesion; Bandeiraea (Griffonia) simplicifolia lectin I (BSL-I); Lectin; Rhizoid; Spirogyra

Journal Article.  0 words. 

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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