Control of phosphate homeostasis through gene regulation in crops

Phosphorus (P) is an essential yet frequently deficient element in plants. Maintenance of phosphate (Pi) homeostasis is crucial for crop production. In comparison with the model plant Arabidopsis, crops face wider ranges and larger fluctuations in P supply from the soil environment, and thus develop...

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Published inCurrent opinion in plant biology Vol. 21; pp. 59 - 66
Main Authors Liang, Cuiyue, Wang, Jinxiang, Zhao, Jing, Tian, Jiang, Liao, Hong
Format Journal Article
LanguageEnglish
Published England 01.10.2014
Subjects
Arabidopsis
Arabidopsis - physiology
Crops, Agricultural - metabolism
Crops, Agricultural - physiology
Gene Expression Regulation, Plant - physiology
Homeostasis - genetics
Homeostasis - physiology
Mycorrhizae - physiology
Phosphates - metabolism
Phosphates - physiology
Plant Development - physiology
Plant Physiological Phenomena
Signal Transduction - physiology
Symbiosis - physiology
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Summary:Phosphorus (P) is an essential yet frequently deficient element in plants. Maintenance of phosphate (Pi) homeostasis is crucial for crop production. In comparison with the model plant Arabidopsis, crops face wider ranges and larger fluctuations in P supply from the soil environment, and thus develop more complicated strategies to improve Pi acquisition and utilization efficiency. Undergirding these strategies, there are numerous genes involved in alternative metabolism pathways that are regulated by complex Pi signaling networks. In this review, we intend to summarize the recent advances in crops on control of Pi homeostasis through gene regulation from Pi acquisition and mobilization within plants, as well as activation of rhizosphere P and P uptake through symbiotic associations.
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ISSN:1369-5266
1879-0356
DOI:10.1016/j.pbi.2014.06.009