ArticleJournal of experimental botany2014
Phosphate depletion modulates auxin transport in Triticum aestivum leading to altered root branching.
Article in Journal of experimental botany, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 42 citations in OpenAlex.
- IAA was involved in phosphorus deficiency-induced cluster roots formation in Macadamia integrifolia.Scientific reports · 2025Article
- Effects of phosphorus supply levels on the growth and nutrient utilization ofFrontiers in plant science · 2025Article
- The Myb73-GDPD2-GA2ox1 transcriptional regulatory module confers phosphate deficiency tolerance in soybean.The Plant cell · 2024Article
- Proteomic Analysis Dissects Molecular Mechanisms Underlying Plant Responses to Phosphorus Deficiency.Cells · 2022Review
- Improving Performance of Salt-Grown Crops by Exogenous Application of Plant Growth Regulators.Biomolecules · 2021Review
- Signaling Responses to N Starvation: Focusing on Wheat and Filling the Putative Gaps With Findings Obtained in Other Plants. A Review.Frontiers in plant science · 2021Review
- Arbuscular Mycorrhizal Fungus Alters Root System Architecture inFrontiers in plant science · 2021Article
- Effects of Phosphate Shortage on Root Growth and Hormone Content of Barley Depend on Capacity of the Roots to Accumulate ABA.Plants (Basel, Switzerland) · 2020Article
- Heterogeneous phosphate supply influences maize lateral root proliferation by regulating auxin redistribution.Annals of botany · 2020Article
- The genetic architecture of phosphorus efficiency in sorghum involves pleiotropic QTL for root morphology and grain yield under low phosphorus availability in the soil.BMC plant biology · 2019Article
- Hormonal regulation in adventitious roots and during their emergence under waterlogged conditions in wheat.Journal of experimental botany · 2018Article
- Evolution of the Aux/IAA Gene Family in Hexaploid Wheat.Journal of molecular evolution · 2017Article
- Revealing new insights into different phosphorus-starving responses between two maize (Zea mays) inbred lines by transcriptomic and proteomic studies.Scientific reports · 2017Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Understanding the mechanisms by which nutritional signals impact upon root system architecture is a key facet in the drive for greater nutrient application efficiency in agricultural systems. Cereal plants reduce their rate of lateral root emergence under inorganic phosphate (Pi) shortage; this study uses molecular and pharmacological techniques to dissect this Pi response in Triticum aestivum. Plants were grown in coarse sand washed in high- or low-Pi nutrient solution before being assessed for their root branching density and expression of AUX/IAA and PIN genes. Seedlings were also grown on media containing [(14)C]indole acetic acid to measure basipetal auxin transport. Seedlings grown in low-Pi environments displayed less capacity to transport auxin basipetally from the seminal root apex, a reduction in root expression of PIN auxin transporter genes, and perturbed expression of a range of AUX/IAA auxin response genes. Given the known importance of basipetally transported auxin in stimulating lateral root initiation, it is proposed here that, in T. aestivum, Pi availability directly influences lateral root production through modulation of PIN expression. Understanding such processes is important in the drive for greater efficiency in crop use of Pi fertilizers in agricultural settings.
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