ArticleJournal of experimental botany2018
PHYD prevents secondary dormancy establishment of seeds exposed to high temperature and is associated with lower PIL5 accumulation.
Article in Journal of experimental botany, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 27 citations in OpenAlex.
- Article
- Translating research on seed dormancy and germination from Arabidopsis to temperate cereals to control pre-harvest sprouting.Frontiers in plant science · 2026Review
- Quantifying germination cardinal temperatures of ten forage legumes using non-linear regression models.Frontiers in plant science · 2026Article
- UBA2A regulates seed dormancy and the stability of chromatin-retained DOG1 messenger RNA.Journal of integrative plant biology · 2025Article
- Heat-Induced Secondary Dormancy Contributes to Local Adaptation in Arabidopsis thaliana.Molecular ecology · 2025Article
- The MKK3 MAPK cascade integrates temperature and after-ripening signals to modulate seed germination.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Molecular mechanisms underlying the signal perception and transduction during seed germination.Molecular breeding : new strategies in plant improvement · 2024Review
- Article
- Actin Isovariant ACT7 Modulates Root Thermomorphogenesis by Altering Intracellular Auxin Homeostasis.International journal of molecular sciences · 2021Article
- ABA Metabolism and Homeostasis in Seed Dormancy and Germination.International journal of molecular sciences · 2021Review
- Regulation of Seed Dormancy and Germination Mechanisms in a Changing Environment.International journal of molecular sciences · 2021Review
- An Updated Overview on the Regulation of Seed Germination.Plants (Basel, Switzerland) · 2020Review
- Developmental Plasticity at High Temperature.Plant physiology · 2019Review
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Dormancy cycling controls the seasonal conditions under which seeds germinate, and these conditions strongly influence growth and survival of plants. Several endogenous and environmental signals affect the dormancy status of seeds. Factors such as time, light, and temperature influence the balance between abscisic acid (ABA) and gibberellic acid (GA), two phytohormones that play a key role in seed dormancy and germination. High temperatures have been shown to increase ABA level and prevent seed germination, a process known as thermoinhibition. High temperature can also cause the acquisition of secondary dormancy, preventing germination of seeds upon their return to favorable germination conditions. The mechanisms and conditions linking thermoinhibition and secondary dormancy remain unclear. Phytochromes are photoreceptors known to promote seed germination of many plant species including Arabidopsis thaliana. Here, we demonstrate a role for PHYD in modulating secondary dormancy acquisition in seeds exposed to high temperature. We found that a functional PHYD gene is required for the germination of seeds that experienced high temperature, and that ABA- and GA-related gene expression during and after pre-incubation at high temperatures was altered in a phyD mutant. We further show that the level of PHYD mRNA increased in seeds pre-incubated at high temperature and that this increase correlates with efficient removal of the germination repressor PIL5.
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