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Plant and Cell Physiology, 1995, Vol. 36, No. 1 109-113
© 1995

Water Soluble Pigments Containing Xylose and Glucose in Gametangia of the Green Alga, Bryopsis maxima

Ken Miyake1, Michiko Ohtomi1, Hisamitsu Yoshizawa1, Yohko Sakamoto2, Katsumi Nakayama1 and Mitsumasa Okada1

1 Department of Biomolecular Science, Faculty of Science, Toho University 2-2-1 Miyama, Funabashi, Chiba, 274 Japan
2 School of Pharmaceutical Science, Toho University, 2-2-1 Miyama Funabashi, Chiba, 274 Japan

Several water-soluble pigments were purified from gametangia of Bryopsis maxima by liquid chromatography and characterized by pyridylamination and high-performance anion-exchange chromatography. The structure of the main red pigment is proposed based on the data of infrared spectrum, Mass spectrum, 1H and 13C NMR spectra and pyridylamino analysis. As a consequence, this pigment contained a tetrapyrrole with phytol and a sugar chain comprised of xylose and glucose. The sequence of the sugars in the chain was determined based on its Mass spectrum. The pigment was similar to chlorophyll-origin pigments observed in other plants. No aldehyde group, however, was present at C5 in the open tetrapyrrole chain.

(Received August 3, 1994; Accepted November 10, 1994)
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