| Relation between ionic and hormonal regulation of proton pumps in red beet tonoplast. | |
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MedLine Citation:
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PMID: 11497104 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Effects of indoleacetic, abscisic, gibberellic acids and kinetin on the hydrolytic activity of the proton pumps H+-ATPase (EC 3.6.1.3) and H+-pyrophosphatase (EC 3.6.1.1) under non-optimal ionic conditions were studied in tonoplasts isolated from stored roots of red beet (Beta vulgaris L. cv. Bordo). We showed that ionic composition markedly affected the hormonal regulation. H+-pyrophosphatase was more sensitive to the ionic and hormonal regulation than H+-ATPase. Magnesium ions are essential for the maximal manifestation of hormonal stimulation. |
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Authors:
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N V Ozolina; E V Pradedova; R K Salyaev |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Membrane & cell biology Volume: 14 ISSN: 1023-6597 ISO Abbreviation: Membr Cell Biol Publication Date: 2001 |
Date Detail:
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Created Date: 2001-08-10 Completed Date: 2002-01-22 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 9517472 Medline TA: Membr Cell Biol Country: Switzerland |
Other Details:
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Languages: eng Pagination: 497-501 Citation Subset: IM |
Affiliation:
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Siberian Institute of Plant Physiology and Biochemistry, Siberian Division of the Russian Academy of Sciences, Irkutsk. cell@sifibr.irkutsk.ru |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Abscisic Acid
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pharmacology Adenine / analogs & derivatives*, pharmacology Beta vulgaris / cytology, enzymology* Gibberellins / pharmacology Indoleacetic Acids / pharmacology Inorganic Pyrophosphatase Kinetin Magnesium / metabolism Plant Growth Regulators / pharmacology Plant Roots / drug effects, enzymology*, metabolism Potassium / metabolism Proton-Translocating ATPases / metabolism* Pyrophosphatases / metabolism* Vacuoles / metabolism |
| Chemical | |
Reg. No./Substance:
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0/Gibberellins; 0/Indoleacetic Acids; 0/Plant Growth Regulators; 21293-29-8/Abscisic Acid; 525-79-1/Kinetin; 73-24-5/Adenine; 7439-95-4/Magnesium; 7440-09-7/Potassium; 77-06-5/gibberellic acid; 87-51-4/indoleacetic acid; EC 3.6.1.-/Pyrophosphatases; EC 3.6.1.1/Inorganic Pyrophosphatase; EC 3.6.3.14/Proton-Translocating ATPases |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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