Document Detail

Relation between ionic and hormonal regulation of proton pumps in red beet tonoplast.
MedLine Citation:
PMID:  11497104     Owner:  NLM     Status:  MEDLINE    
Effects of indoleacetic, abscisic, gibberellic acids and kinetin on the hydrolytic activity of the proton pumps H+-ATPase (EC and H+-pyrophosphatase (EC 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.
N V Ozolina; E V Pradedova; R K Salyaev
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Membrane & cell biology     Volume:  14     ISSN:  1023-6597     ISO Abbreviation:  Membr Cell Biol     Publication Date:  2001  
Date Detail:
Created Date:  2001-08-10     Completed Date:  2002-01-22     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9517472     Medline TA:  Membr Cell Biol     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  497-501     Citation Subset:  IM    
Siberian Institute of Plant Physiology and Biochemistry, Siberian Division of the Russian Academy of Sciences, Irkutsk.
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MeSH Terms
Abscisic Acid / pharmacology
Adenine / analogs & derivatives*,  pharmacology
Beta vulgaris / cytology,  enzymology*
Gibberellins / pharmacology
Indoleacetic Acids / pharmacology
Inorganic Pyrophosphatase
Magnesium / metabolism
Plant Growth Regulators / pharmacology
Plant Roots / drug effects,  enzymology*,  metabolism
Potassium / metabolism
Proton-Translocating ATPases / metabolism*
Pyrophosphatases / metabolism*
Vacuoles / metabolism
Reg. No./Substance:
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 Pyrophosphatase; EC ATPases

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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