Ammonia- and Light-Induced Degradation of Paramylum in Euglena gracilis |
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| Authors: | Sumida, Shuji Ehara, Tomoko Osafune, Tetsuaki Hase, Eiji |
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| Affiliation: | 1Department of Microbiology, Tokyo Medical College Shinjuku 6-1-1, Tokyo 160, Japan
2Laboratory of Chemistry, Faculty of Medicine, Teikyo University Hachiouji, Tokyo 192-03, Japan |
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| Abstract: | Ammonium ions (ammonia) induced, independent of light, the degradationof paramylum (beta-l,3-glucan) accumulated in Euglena gracilisvar. bacillaris under photoautotrophic and dark-organotrophicconditions. Part of the paramylum in darkorganotrophically growncells, however, was preserved without breakdown in the darkin the presence of ammonium ions and under carbon-starvation,being degraded on exposure to light. (Received March 20, 1987; Accepted September 7, 1987) |
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