Journal
FRONTIERS IN PLANT SCIENCE
Volume 3, Issue -, Pages -Publisher
FRONTIERS RESEARCH FOUNDATION
DOI: 10.3389/fpls.2012.00058
Keywords
phosphate; Pi-responsiveness; P1BS; microRNA
Categories
Funding
- European Regional Development Fund through the Innovative Economy for Poland [WND-POIG.01.03.01-00-101/08 POLAPGEN-BD]
- Marie Curie Intra-European Fellowships - BARPHO [025110]
- Foundation for Polish Science (FNP) [MPD 2010/3]
- Polish Ministry of Higher Education and Sciences [NN301035839]
- Dean of Biology Faculty, Adam Mickiewicz University, Poznan
- MNiSW [3011/B/P01/2009/37]
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Inorganic phosphate (Pi) is an easily accessible form of phosphorus for plants. Plant Pi uptake is usually limited however by slow Pi diffusion through the soil which strongly adsorps phosphate species. Plants have developed mechanisms to increase Pi availability. There are also abiotic (phosphate level) and biotic (e.g., mycorrhizal) factors regulating the expression of Pi-responsive genes. Transcription factors binding to the promoters of Pi-responsive genes activate different pathways of Pi transport, distribution, and homeostasis maintenance. Pi metabolism involves not only functional proteins but also microRNAs and other non-coding RNAs.
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