Starch and triacylglycerol metabolism related to somatic embryogenesis in Papaver orientale tissue cultures |
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| Authors: | Hara Sayuri Falk Heinz Kleinig Hans |
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| Affiliation: | (1) Zellbiologie, Institut für Biologie II der Universität, Schänzlestrasse 1, D-7800 Freiburg i. Br., Federal Republic of Germany |
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| Abstract: | During somatic embryogenesis in Papaver orientale tissue cultures a permanent starch accumulation and a transient triacylglycerol accumulation were observed. The degradation of the lipids during plantlet development from embryoids was paralleled by an activity increase of the glyoxylate-cycle enzymes malate synthase (EC 4.1.3.2) and isocitrate lyase (EC 4.1.3.1). Fat accumulation and breakdown was interpreted as a reflection of seed formation and germination during normal development. |
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| Keywords: | Embryogenesis (somatic) Papaver (tissue culture) Starch formation Triacylglycerol synthesis and degradation |
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