Distribution of alginate oligomers in Catharanthus roseus and Wasabia japonica cells cultured in a medium containing alginate oligomers |
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Authors: | Hideki Aoyagi Jin Yasuhira Atsushi Kuno Kimihiro Ono Chiharu Akimoto Shigeki Yoshida Hideo Tanaka |
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Affiliation: | (1) Institute of Applied Biochemistry, University of Tsukuba, Tsukuba, Ibaraki, 305-8572, Japan |
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Abstract: | Distribution of alginate oligomers (AO) which are endogenous elicitor-like substances, in cultured plant cells were investigated by using AO conjugated with monopotassium 7-amino-1,3-naphthalenedisulfonate (ANDS). When AO-ANDS was added at 0.5 g l–1 to the Catharanthus roseus cell culture, it adhered to the cells as observed by fluorescence microscopy. Using protoplasts of C. roseus, AO-ANDS was found not only in the cell walls but also in the cell membrane and cytoplasm. When C. roseus was cultivated in a medium containing oligo-galacturonic acids, as an endogenous elicitor, this was also found in the cell wall, cell membrane and cytoplasm of C. roseus cells. Similar results were also obtained with Wasabia japonica cells. |
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Keywords: | alginate Catharanthus roseus galacturonic acid monopotassium 7-amino-1,3-naphthalenedisulfonate Wasabia japonica |
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