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Organic acids and Fe deficiency: A review

AuthorsAbadía Bayona, Javier ; Abadía Bayona, Javier ; López-Millán, Ana Flor ; Rombolà, Adamo Domenico; Abadía Bayona, Anunciación
KeywordsXylem sap
Iron deficiency
Issue Date1-Apr-2002
PublisherKluwer Academic Publishers
CitationPlant and Soil 241 (1): 43-48 (2002)
AbstractOrganic acid concentrations often increase with iron deficiency in different plant parts such as roots, leaves and stem exudates. The review summarises data available on the changes in the concentrations of organic anions in plants with iron deficiency and the effects of these changes in plant metabolism. The paper reviews data available in the literature on the changes in xylem and apoplasmic fluid composition with iron deficiency, both in plants grown in controlled conditions and in the field, and discusses the possible ways of iron complexation and transport in these compartments. The characteristics of the iron reduction and uptake by the iron-deficient leaf mesophyll cells are also discussed, with especial emphasis in the possible roles of organic acids in these processes. Both the possible causes and functions of the organic acid concentration increases in iron-deficient plants are reviewed.
Publisher version (URL)http://dx.doi.org/10.1023/A:1016093317898
Identifiersdoi: 10.1023/A:1016093317898
issn: 0032-079X
Appears in Collections:(EEAD) Artículos
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