ArticleFrontiers in plant science2016
Heat Stress Affects Pi-related Genes Expression and Inorganic Phosphate Deposition/Accumulation in Barley.
Article in Frontiers in plant science, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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30 citing papers in PubMed, 91 citations in OpenAlex.
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- Molecular Evolution of Plant SULTR Proteins and Expression Analysis of HvSULTR Under Heat Stress in Barley.Plants (Basel, Switzerland) · 2025Article
- Nutrient absorption and enzyme activity of Persian oak (Quercus brantii) seedlings under ectomycorrhizal fungi.BMC plant biology · 2025Article
- Genome-wide identification, expression analysis, and response to abiotic stress of the phosphate transporter gene family in cucumber (Cucumis sativus L.).BMC plant biology · 2025Article
- Genome-wide identification and analysis of phosphate utilization related genes (PURs) reveal their roles involved in low phosphate responses in Brassica napus L.BMC plant biology · 2025Article
- Genome-wide characterization of two-component system elements in barley enables the identification of grain-specific phosphorelay genes.BMC plant biology · 2025Article
- Characterization and stress-responsive regulation of CmPHT1 genes involved in phosphate uptake and transport in Melon (Cucumis melo L.).BMC plant biology · 2024Article
- Temperature changes in the root ecosystem affect plant functionality.Plant communications · 2023Article
- Dynamic Regulation of Grapevine's microRNAs in Response to Mycorrhizal Symbiosis and High Temperature.Plants (Basel, Switzerland) · 2023Article
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- Grain dispersal mechanism in cereals arose from a genome duplication followed by changes in spatial expression of genes involved in pollen development.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2022Article
- The barleyFrontiers in genetics · 2022Article
- Excess nitrogen responsive HvMADS27 transcription factor controls barley root architecture by regulating abscisic acid level.Frontiers in plant science · 2022Article
- Genome-wide association study dissects the genetic control of plant height and branch number in response to low-phosphorus stress in Brassica napus.Annals of botany · 2021Article
- Pi-starvation induced transcriptional changes in barley revealed by a comprehensive RNA-Seq and degradome analyses.BMC genomics · 2021Article
- Genome-Wide Identification of RNA Silencing-Related Genes and Their Expressional Analysis in Response to Heat Stress in Barley (Biomolecules · 2020Article
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phosphorus (P) in plants is taken from soil as an inorganic phosphate (Pi) and is one of the most important macroelements in growth and development. Plants actively react to Pi starvation by the induced expression of Pi transporters, MIR399, MIR827, and miR399 molecular sponge - IPS1 genes and by the decreased expression of the ubiquitin-conjugating enzyme E2 (PHOSPHATE2 - PHO2) and Pi sensing and transport SPX-MFS genes. The PHO2 protein is involved in the degradation of Pi transporters PHT1;1 (from soil to roots) and PHO1 (from roots to shoots). The decreased expression of PHO2 leads to Pi accumulation in shoots. In contrast, the pho1 mutant shows a decreased level of Pi concentration in shoots. Finally, Pi starvation leads to decreased Pi concentration in all plant tissues. Little is known about plant Pi homeostasis in other abiotic stress conditions. We found that, during the first hour of heat stress, Pi accumulated in barley shoots but not in the roots, and transcriptomic data analysis as well as RT-qPCR led us to propose an explanation for this phenomenon. Pi transport inhibition from soil to roots is balanced by lower Pi efflux from roots to shoots directed by the PHO1 transporter. In shoots, the PHO2 mRNA level is decreased, leading to an increased Pi level. We concluded that Pi homeostasis in barley during heat stress is maintained by dynamic changes in Pi-related genes expression.
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