Postgerminative growth and lipid catabolism in oilseeds lacking the glyoxylate cycle
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منابع مشابه
Postgerminative growth and lipid catabolism in oilseeds lacking the glyoxylate cycle.
The glyoxylate cycle is regarded as essential for postgerminative growth and seedling establishment in oilseed plants. We have identified two allelic Arabidopsis mutants, icl-1 and icl-2, which lack the glyoxylate cycle because of the absence of the key enzyme isocitrate lyase. These mutants demonstrate that the glyoxylate cycle is not essential for germination. Furthermore, photosynthesis can ...
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of conversion of fat to carbohydrate in germinating castor beans. Of the four requisite enzymes, isocitritase (Equation 3) has been demonstrated by direct assay (l), while the presence of condensing enzyme (Equation 1), aconitase (Equation 2), and malate synthetase activity (Equation 4) has been inferred from isotope incorporation data. The rates of condensing enzyme and malate synthetase, as e...
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In cucumber (Cucumis sativus), high lipoxygenase-1 (LOX-1) activity has been detected in the soluble fraction prepared from cotyledons of germinating seeds, and the involvement of this enzyme in lipid turnover has been suggested (K. Matsui, M. Irie, T. Kajiwara, A. Hatanaka [1992] Plant Sci 85: 23-32; I. Fuessner, C. Wasternack, H. Kindl, H. Kühn [1995] Proc Natl Acad Sci USA 92: 11849-11853). ...
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15 صفحه اولPermeability of the peroxisomal membrane: lessons from the glyoxylate cycle
Glyoxylate serves as intermediate in various metabolic pathways, although high concentrations of this metabolite are toxic to the cell. In many organisms glyoxylate is fed into the glyoxylate cycle. Enzymes participating in this metabolism are located on both sides of the peroxisomal membrane. The permeability of this membrane for small metabolites paves the way for exchange of intermediates be...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2000
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.97.10.5669