Changes in some enzymes of microbodies and plastid development in excised radish cotyledons : effect of narciclasine

Narciclasine (NCS), isolated from mucilage of Narcissus bulb, showed inhibitory effects on growth and plastid development of excised radish cotyledons. NCS (0.1 mumol/L) started to show inhibitory effects on isocitrate lyase and hydroxypyruvate reductase activities after 24 h incubation in light. Wh...

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Veröffentlicht in:Journal of plant physiology. - 1979. - 160(2003), 9 vom: 01. Sept., Seite 1041-9
1. Verfasser: Bi, Yurong (VerfasserIn)
Weitere Verfasser: Guo, Jinkui, Zhang, Lixin, Wong, Yumshing
Format: Aufsatz
Sprache:English
Veröffentlicht: 2003
Zugriff auf das übergeordnete Werk:Journal of plant physiology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Alkaloids Amaryllidaceae Alkaloids Enzyme Inhibitors Phenanthridines Plant Growth Regulators narciclasine 29477-83-6 Alcohol Oxidoreductases mehr... EC 1.1.- Hydroxypyruvate Reductase EC 1.1.1.81 Isocitrate Lyase EC 4.1.3.1
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520 |a Narciclasine (NCS), isolated from mucilage of Narcissus bulb, showed inhibitory effects on growth and plastid development of excised radish cotyledons. NCS (0.1 mumol/L) started to show inhibitory effects on isocitrate lyase and hydroxypyruvate reductase activities after 24 h incubation in light. When NCS concentration was increased to 10 mumol/L, the activities of both enzymes are completely inhibited. From ultrastructural studies, NCS markedly prevented the degradation of protein bodies and lipid bodies, as well as chloroplast formation of excised radish cotyledons. There was only little degradation of protein and lipid bodies, and almost no chloroplast formation in the excised radish cotyledon treated with 1 mumol/L NCS. Therefore, our results provide clear evidence that NCS inhibited the transition of glyoxysomes and peroxisomes, and chloroplast development 
650 4 |a Journal Article 
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700 1 |a Wong, Yumshing  |e verfasserin  |4 aut 
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