Ornithine carbamyltransferase activity from the cotyledons of developing and germinating seeds of Vicia faba |
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Authors: | Chris Kollöffel Henri W.J. Stroband |
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Affiliation: | Botanical Laboratory, University of Utrecht, The Netherlands |
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Abstract: | During maturation the ornithine carbamyltransferase activity from cotyledons of Vicia faba sharply decreased. It declined further during subsequent germination. On the other hand, arginase activity was low in mature, air-dry seeds but increased considerably during germination. After centrifugation at 40 000 g, more than 90% of the ornithine carbamyltransferase activity remained in the supernatant. The fractions containing tightly coupled mitochondria, showed hardly any omithine carbamyltransferase activity. |
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Keywords: | Leguminosae broad bean ornithine carbamyltransferase activity maturation germination localization arginase. |
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