[en] The 'phosphorus problem' has recently received strong interest with two distinct strands of importance. The first is that too much phosphorus (P) is entering into waste water, creating a significant economic and ecological problem. Secondly, while agricultural demand for phosphate fertilizer is increasing to maintain crop yields, rock phosphate reserves are rapidly declining. Unravelling the mechanisms by which plants sense, respond to, and acquire phosphate can address both problems, allowing the development of crop plants that are more efficient at acquiring and using limited amounts of phosphate while at the same time improving the potential of plants and other photosynthetic organisms for nutrient recapture and recycling from waste water. In this review, we attempt to synthesize these important but often disparate parts of the debate in a holistic fashion, since solutions to such a complex problem require integrated and multidisciplinary approaches that address both P supply and demand. Rapid progress has been made recently in our understanding of local and systemic signalling mechanisms for phosphate, and of expression and regulation of membrane proteins that take phosphate up from the environment and transport it within the plant. We discuss the current state of understanding of such mechanisms involved in sensing and responding to phosphate stress. We also discuss approaches to improve the P-use efficiency of crop plants and future direction for sustainable use of P, including use of photosynthetic organisms for recapture of P from waste waters.
Disciplines :
Biotechnology
Author, co-author :
Baker, Alison
Stanislaus, Antony Ceasar ; Université de Liège - ULiège > Département des sciences de la vie > Génomique fonctionnelle et imagerie moléculaire végétale
Palmer, Antony J.
Paterson, Jaimie B.
Qi, Wanjun
Muench, Stephen P.
Baldwin
Language :
English
Title :
Replace, reuse, recycle: improving the sustainable use of phosphorus by plants
Publication date :
May 2015
Journal title :
Journal of Experimental Botany
ISSN :
0022-0957
eISSN :
1460-2431
Publisher :
Oxford University Press, United Kingdom
Volume :
66
Issue :
12
Pages :
3523–3540
Peer reviewed :
Peer Reviewed verified by ORBi
European Projects :
FP7 - 300672 - IMPACT - Improved Millets for Phosphate ACquisition and Transport
Name of the research project :
IMPACt
Funders :
European Union through a Marie Curie International Incoming Fellowship to SAC (Fellowship No. FP7-People-2-11-IIFR - 921672 – IMPACT-Return Phase), a Yorkshire Agricultural Society grant, a Biotechnology and Biological Sciences Research Council Doctoral Training studentship to AJP, a Biotechnology and Biological Sciences Research Council Industrial Case Studentship BB/ K011677/1 to JBP, and a Leeds University International Research scholarship and Sustainable Agriculture Bursary to WQ. SPM is supported by an MRC Career Development Fellowship (G100567). CE - Commission Européenne [BE]
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