期刊
PLANT PHYSIOLOGY
卷 166, 期 4, 页码 1713-1723出版社
OXFORD UNIV PRESS INC
DOI: 10.1104/pp.114.244541
关键词
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资金
- Agence Nationale de la Recherche (Retour Post-Doc) [ANR-11-PDOC-003-01, ANR-09-BLAN-0118]
- Commissariat a l'Energie Atomique et aux Energies Alternatives [APTTOX021401]
- Australian Research Council [DP110101120, DP140100148]
- [25-3284]
- Agence Nationale de la Recherche (ANR) [ANR-09-BLAN-0118] Funding Source: Agence Nationale de la Recherche (ANR)
- Grants-in-Aid for Scientific Research [13J03284] Funding Source: KAKEN
Soil phosphate represents the only source of phosphorus for plants and, consequently, is its entry into the trophic chain. This major component of nucleic acids, phospholipids, and energy currency of the cell (ATP) can limit plant growth because of its low mobility in soil. As a result, root responses to low phosphate favor the exploration of the shallower part of the soil, where phosphate tends to be more abundant, a strategy described as topsoil foraging. We will review the diverse developmental strategies that can be observed among plants by detailing the effect of phosphate deficiency on primary and lateral roots. We also discuss the formation of cluster roots: an advanced adaptive strategy to cope with low phosphate availability observed in a limited number of species. Finally, we will put this work into perspective for future research directions.
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