ArticlePlant physiology2002
Rapid induction of regulatory and transporter genes in response to phosphorus, potassium, and iron deficiencies in tomato roots. Evidence for cross talk and root/rhizosphere-mediated signals.
Article in Plant physiology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 97 papers.
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97 citing papers in PubMed, 291 citations in OpenAlex.
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- The MYB-CC Transcription Factor PHOSPHATE STARVATION RESPONSE-LIKE 7 (PHL7) Functions in Phosphate Homeostasis and Affects Salt Stress Tolerance in Rice.Plants (Basel, Switzerland) · 2024Article
- Phosphorus uptake, transport, and signaling in woody and model plants.Forestry research · 2024Review
- The Molecular Mechanism of Potassium Absorption, Transport, and Utilization in Rice.International journal of molecular sciences · 2023Review
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- Genome-wide identification and gene expression analysis of the 14-3-3 gene family in potato (Solanum tuberosum L.).BMC genomics · 2022Article
- Narrowing down molecular targets for improving phosphorus-use efficiency in maize (Zea mays L.).Molecular biology reports · 2022Review
- Arbuscular Mycorrhizal Fungi Enhanced Drought Resistance ofMicrobiology spectrum · 2022Article
- High transcriptome plasticity drives phosphate starvation responses in tomato.Stress biology · 2022Article
- Wheat potassium transporter TaHAK13 mediates KFrontiers in plant science · 2022Article
- Molecular Manipulation of the miR396 and miR399 Expression Modules Alters the Response ofPlants (Basel, Switzerland) · 2021Article
- Genome-Wide Identification, Genomic Organization, and Characterization of Potassium Transport-Related Genes inPlants (Basel, Switzerland) · 2021Article
- Recent Advances in Genome-wide Analyses of Plant Potassium Transporter Families.Current genomics · 2021Review
- Genome-Wide Investigation and Expression Analysis of KBiochemical genetics · 2021Article
- Genome-scale identification ofPeerJ · 2021Article
- Genome-Wide Survey and Expression Analysis of the KT/HAK/KUP Family inInternational journal of molecular sciences · 2020Article
- Genome-wide identification and analysis of high-affinity nitrate transporter 2 (NRT2) family genes in rapeseed (Brassica napus L.) and their responses to various stresses.BMC plant biology · 2020Article
- Physiological and proteomics responses of nitrogen assimilation and glutamine/glutamine family of amino acids metabolism in mulberry (Plant signaling & behavior · 2020Article
37 more citing papers are in PubMed but not listed here.
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mineral nutrient deficiencies constitute major limitations for plant growth on agricultural soils around the world. To identify genes that possibly play roles in plant mineral nutrition, we recently generated a high-density array consisting of 1,280 genes from tomato (Lycopersicon esculentum) roots for expression profiling in nitrogen (N) nutrition. In the current study, we used the same array to search for genes induced by phosphorus (P), potassium (K(+)), and iron (Fe) deficiencies. RNA gel-blot analysis was conducted to study the time-dependent kinetics for expression of these genes in response to withholding P, K, or Fe. Genes previously not associated with P, K, and Fe nutrition were identified, such as transcription factor, mitogen-activated protein (MAP) kinase, MAP kinase kinase, and 14-3-3 proteins. Many of these genes were induced within 1 h after withholding the specific nutrient from roots of intact plants; thus, RNA gel-blot analysis was repeated for specific genes (transcription factor and MAP kinase) in roots of decapitated plants to investigate the tissue-specific location of the signal triggering gene induction. Both genes were induced just as rapidly in decapitated plants, suggesting that the rapid response to the absence of P, K, or Fe in the root-bathing medium is triggered either by a root-localized signal or because of root sensing of the mineral environment surrounding the roots. We also show that expression of Pi, K, and Fe transporter genes were up-regulated by all three treatments, suggesting coordination and coregulation of the uptake of these three essential mineral nutrients.
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