ArticleBMC plant biology2021
The role of strigolactones in P deficiency induced transcriptional changes in tomato roots.
Article in BMC plant biology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 44 citations in OpenAlex.
- Hormone-metabolism crosstalk in plants: an integrated signaling network coordinating growth and stress adaptation.Plant signaling & behavior · 2026Review
- Co-expression analysis identifies organ-specific gene regulatory networks responsive to phosphate limitation in hemp (Cannabis sativa L.).BMC plant biology · 2026Article
- Soil to Cytoplasm: The Mycorrhizal Phosphorus Express and Its Regulatory Steps.Journal of fungi (Basel, Switzerland) · 2026Review
- Strigolactone GR24 modulates citrus root architecture and rhizosphere microbiome under nitrogen and phosphorus deficiency.BMC plant biology · 2025Article
- Microbial drivers of root plasticity.The New phytologist · 2025Review
- The chemical interaction between plants and the rhizosphere microbiome.Trends in plant science · 2025Review
- From genes to traits: maximizing phosphorus utilization efficiency in crop plants.Frontiers in plant science · 2025Review
- Phosphate promotes Arabidopsis root skewing and circumnutation through reorganisation of the microtubule cytoskeleton.The New phytologist · 2024Article
- OsCYP706C2 diverts rice strigolactone biosynthesis to a noncanonical pathway branch.Science advances · 2024Article
- Insights into stereoselective ring formation in canonical strigolactone: Identification of a dirigent domain-containing enzyme catalyzing orobanchol synthesis.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Phosphorus Acquisition Efficiency and Transcriptomic Changes in Maize Plants Treated with Two Lignohumates.Plants (Basel, Switzerland) · 2023Article
- The tomato cytochrome P450 CYP712G1 catalyses the double oxidation of orobanchol en route to the rhizosphere signalling strigolactone, solanacol.The New phytologist · 2022Article
- Phosphatidic Acid in Plant Hormonal Signaling: From Target Proteins to Membrane Conformations.International journal of molecular sciences · 2022Review
- Effect of strigolactones on recruitment of the rice root-associated microbiome.FEMS microbiology ecology · 2022Article
- Adaptation of the parasitic plant lifecycle: germination is controlled by essential host signaling molecules.Plant physiology · 2021Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPhosphorus (P) is an essential macronutrient for plant growth and development. Upon P shortage, plant responds with massive reprogramming of transcription, the Phosphate Starvation Response (PSR). In parallel, the production of strigolactones (SLs)-a class of plant hormones that regulates plant development and rhizosphere signaling molecules-increases. It is unclear, however, what the functional link is between these two processes. In this study, using tomato as a model, RNAseq was used to evaluate the time-resolved changes in gene expression in the roots upon P starvation and, using a tomato CAROTENOID CLEAVAGE DIOXYGENASES 8 (CCD8) RNAi line, what the role of SLs is in this.
resultsGene ontology (GO)-term enrichment and KEGG analysis of the genes regulated by P starvation and P replenishment revealed that metabolism is an important component of the P starvation response that is aimed at P homeostasis, with large changes occurring in glyco-and galactolipid and carbohydrate metabolism, biosynthesis of secondary metabolites, including terpenoids and polyketides, glycan biosynthesis and metabolism, and amino acid metabolism. In the CCD8 RNAi line about 96% of the PSR genes was less affected than in wild-type (WT) tomato. For example, phospholipid biosynthesis was suppressed by P starvation, while the degradation of phospholipids and biosynthesis of substitute lipids such as sulfolipids and galactolipids were induced by P starvation. Around two thirds of the corresponding transcriptional changes depend on the presence of SLs. Other biosynthesis pathways are also reprogrammed under P starvation, such as phenylpropanoid and carotenoid biosynthesis, pantothenate and CoA, lysine and alkaloids, and this also partially depends on SLs. Additionally, some plant hormone biosynthetic pathways were affected by P starvation and also here, SLs are required for many of the changes (more than two thirds for Gibberellins and around one third for Abscisic acid) in the gene expression.
conclusionsOur analysis shows that SLs are not just the end product of the PSR in plants (the signals secreted by plants into the rhizosphere), but also play a major role in the regulation of the PSR (as plant hormone).
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