ArticleJournal of the Royal Society, Interface2015
Mathematical modelling of diurnal regulation of carbohydrate allocation by osmo-related processes in plants.
Article in Journal of the Royal Society, Interface, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 14 citations in OpenAlex.
- Integrated Transcriptomic, Proteomic, and Metabolomic Analyses Reveal Mechanisms Underlying Day-Night Differences in Carbohydrate Metabolism between Diploid and Tetraploid Rice.Rice (New York, N.Y.) · 2025Article
- Variations in Circadian Clock Organization & Function: A Journey from Ancient to Recent.Planta · 2022Review
- Role of Circadian Rhythms in Major Plant Metabolic and Signaling Pathways.Frontiers in plant science · 2022Review
- Effect of osmo priming on sucrose metabolism in spring maize, during the period of grain filling, under limited irrigation conditions.Physiology and molecular biology of plants : an international journal of functional plant biology · 2019Article
- Genetic Correlations Between Photosynthetic and Yield Performance in Maize Are Different Under Two Heat Scenarios During Flowering.Frontiers in plant science · 2019Article
- The Importance of the Circadian Clock in Regulating Plant Metabolism.International journal of molecular sciences · 2017Review
Corrections and comments
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Authors and funding
2 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Plants synthesize sucrose in source tissues (mainly mature leafs) and supply it for growth of sink tissues (young leafs). Sucrose is derived from photosynthesis during daytime and from starch at night. Because the diurnal regulation of sucrose fluxes is not completely understood, we built a mathematical model designed to reproduce all key experimental observations. For this, assumptions were made about the molecular mechanisms underlying the regulations, which are all motivated by experimental facts. The key regulators in our model are two kinases (SnRK1 and osmo-sensitive kinase OsmK) under the control of the circadian clock. SnRK1 is activated in the night to prepare for regularly occurring carbon-limiting conditions, whereas OsmK is activated during the day to prepare for water deficit, which often occurs in the afternoon. Decrease of SnRK1 and increase of OsmK result in partitioning of carbon towards sucrose to supply growing sink tissues. Concomitantly, increasing levels of the growth regulator trehalose-6-phosphate stimulates the development of new sink tissues and thus sink demand, which further activates sucrose supply in a positive feedback loop. We propose that OsmK acts as a timer to measure the length of the photoperiod and suggest experiments how this hypothesis can be validated.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.