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Titolo:
Function and mechanism of organic anion exudation from plant roots
Autore:
Ryan, PR; Delhaize, E; Jones, DL;
Indirizzi:
CSIRO, Canberra, ACT 2601, Australia CSIRO Canberra ACT Australia 2601CSIRO, Canberra, ACT 2601, Australia Univ Wales, Sch Agr & Forest Sci, Bangor LL57 2UW, Gwynedd, Wales Univ Wales Bangor Gwynedd Wales LL57 2UW Bangor LL57 2UW, Gwynedd, Wales
Titolo Testata:
ANNUAL REVIEW OF PLANT PHYSIOLOGY AND PLANT MOLECULAR BIOLOGY
, volume: 52, anno: 2001,
pagine: 527 - 560
SICI:
1040-2519(2001)52:<527:FAMOOA>2.0.ZU;2-Z
Fonte:
ISI
Lingua:
ENG
Soggetto:
LUPINUS-ALBUS L; MITOCHONDRIAL CITRATE SYNTHASE; TRANSGENIC POTATO PLANTS; SOYBEAN GLYCINE-MAX; TRITICUM-AESTIVUM L; ZEA-MAYS L; ALUMINUM-TOLERANCE; GUARD-CELLS; SOIL SOLUTION; CITRIC-ACID;
Keywords:
rhizosphere; aluminum; phosphorus; anion channel; nutrition; organic acids; efflux;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Life Sciences
Citazioni:
191
Recensione:
Indirizzi per estratti:
Indirizzo: Ryan, PR CSIRO, GPO Box 1600, Canberra, ACT 2601, Australia CSIRO GPO Box 1600 Canberra ACT Australia 2601 CT 2601, Australia
Citazione:
P.R. Ryan et al., "Function and mechanism of organic anion exudation from plant roots", ANN R PLANT, 52, 2001, pp. 527-560

Abstract

The rhizosphere is the zone of soil immediately surrounding plant roots that is modified by root activity. In this critical zone, plants perceive andrespond to their environment. As a consequence of normal growth and development, a large range of organic and inorganic substances are exchanged between the root and soil, which inevitably leads to changes in the biochemicaland physical properties of the rhizosphere. Plants also modify their rhizosphere in response to certain environmental signals and stresses. Organic anions are commonly detected in this region, and their exudation from plant roots has now been associated with nutrient deficiencies and inorganic ion stresses. This review summarizes recent developments in the understanding of the function, mechanism, and regulation of organic anion exudation from roots. The benefits that plants derive from the presence of organic anions in the rhizosphere are described and the potential for biotechnology to increase organic anion exudation is highlighted.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/09/20 alle ore 06:19:18