ArticleJournal of experimental botany2017
Arabidopsis plasma membrane H+-ATPase genes AHA2 and AHA7 have distinct and overlapping roles in the modulation of root tip H+ efflux in response to low-phosphorus stress.
Article in Journal of experimental botany, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers, 1 of them a synthesis that pooled it.
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42 citing papers in PubMed, 1 synthesis or guideline pooled it, 108 citations in OpenAlex.
- Root hair growth from the pH point of view.Frontiers in plant science · 2022Pooled it
- Plasma membrane HThe New phytologist · 2026Article
- Reciprocal co-regulation of nitrate and ammonium transporters is modulated by external pH in Arabidopsis.Journal of experimental botany · 2026Article
- Genetic Dissection of Rice Plant-Specific Non-ε Group 14-3-3 Proteins in Response to Phosphate Starvation.Rice (New York, N.Y.) · 2025Article
- Ethylene increases the NaHCOPlant biotechnology journal · 2025Article
- Identification and Analysis of the Plasma Membrane HPlants (Basel, Switzerland) · 2024Article
- Arabidopsis PROTODERMAL FACTOR2 binds lysophosphatidylcholines and transcriptionally regulates phospholipid metabolism.The New phytologist · 2024Article
- The brassinosteroid receptor StBRI1 promotes tuber development by enhancing plasma membrane H+-ATPase activity in potato.The Plant cell · 2024Article
- Multi-locus genome-wide association study for phosphorus use efficiency in a tropical maize germplasm.Frontiers in plant science · 2024Article
- Identification of the potato (Frontiers in plant science · 2024Article
- STOP1-regulatedPlant direct · 2024Article
- Hydrogen sulfide improves salt tolerance through persulfidation of PMA1 in Arabidopsis.Plant cell reports · 2023Article
- Transcriptome and DNA Methylome Analysis of Two Contrasting Rice Genotypes under Salt Stress during Germination.International journal of molecular sciences · 2023Article
- The KFrontiers in plant science · 2023Article
- Cell-Type-Specific Length and Cytosolic pH Response of Superficial Cells ofPlants (Basel, Switzerland) · 2022Article
- Comparing Essentiality ofInternational journal of molecular sciences · 2022Article
- Arabidopsis Plasma Membrane ATPase AHA5 Is Negatively Involved in PAMP-Triggered Immunity.International journal of molecular sciences · 2022Article
- Salt stress resilience in plants mediated through osmolyte accumulation and its crosstalk mechanism with phytohormones.Frontiers in plant science · 2022Review
- Empowering roots-Some current aspects of root bioenergetics.Frontiers in plant science · 2022Review
- MYB308-mediated transcriptional activation of plasma membrane HHorticulture research · 2022Article
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Authors and funding
10 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Phosphorus deficiency in soil is one of the major limiting factors for plant growth. Plasma membrane H+-ATPase (PM H+-ATPase) plays an important role in the plant response to low-phosphorus stress (LP). However, few details are known regarding the action of PM H+-ATPase in mediating root proton (H+) flux and root growth under LP. In this study, we investigated the involvement and function of different Arabidopsis PM H+-ATPase genes in root H+ flux in response to LP. First, we examined the expressions of all Arabidopsis PM H+-ATPase gene family members (AHA1-AHA11) under LP. Expression of AHA2 and AHA7 in roots was enhanced under this condition. When the two genes were deficient in their respective Arabidopsis mutant plants, root growth and responses of the mutants to LP were highly inhibited compared with the wild-type plant. AHA2-deficient plants exhibited reduced primary root elongation and lower H+ efflux in the root elongation zone. AHA7-deficient plants exhibited reduced root hair density and lower H+ efflux in the root hair zone. The modulation of H+ efflux by AHA2 or AHA7 was affected by the action of 14-3-3 proteins and/or auxin regulatory pathways in the context of root growth and response to LP. Our results suggest that under LP conditions, AHA2 acts mainly to modulate primary root elongation by mediating H+ efflux in the root elongation zone, whereas AHA7 plays an important role in root hair formation by mediating H+ efflux in the root hair zone.
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