| Light/Dark modulation of enzyme activity in developing barley leaves. | |
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MedLine Citation:
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PMID: 16667226 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Light/dark modulation of the ribulose-5-phosphate kinase, NADP(+)-glyceraldehyde-3-phosphate dehydrogenase, and fructose- 1,6-bisphosphatase activity was measured in the developing primary leaf of barley (Hordeum vulgare L.) seedlings. Ribulose-5-phosphate kinase and NADP(+) -glyceraldehyde-3-phosphate dehydrogenase were fully light activated even at the earliest developmental stage sampled. In contrast, light modulation of fructose- 1,6-bisphosphatase exhibited a complex response to leaf developmental status. Light stimulation of fructose- 1,6-bisphosphatase activity (measured at pH 8.0) increased progressively during leaf development. On the other hand, acid fructose- 1,6-bisphosphatase activity (measured at pH 6.0) was inhibited by light, and this light inhibition was greater in the base of the leaf than in the tip of the leaf. |
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Authors:
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M H Sibley; L E Anderson |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Plant physiology Volume: 91 ISSN: 0032-0889 ISO Abbreviation: Plant Physiol. Publication Date: 1989 Dec |
Date Detail:
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Created Date: 2010-06-29 Completed Date: 2010-07-08 Revised Date: 2010-09-14 |
Medline Journal Info:
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Nlm Unique ID: 0401224 Medline TA: Plant Physiol Country: United States |
Other Details:
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Languages: eng Pagination: 1620-4 Citation Subset: - |
Affiliation:
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Department of Biological Sciences, University of Illinois at Chicago, Box 4348, Chicago, Illinois 60680. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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