ArticleJournal of experimental botany2019
Heat stress increases the use of cytosolic pyruvate for isoprene biosynthesis.
Article in Journal of experimental botany, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 41 citations in OpenAlex.
- Unique Bioactive Secondary Metabolites of Ferns and Their Enhancement by Abiotic Stress: Medicinal Potential and Future Perspectives.Molecules (Basel, Switzerland) · 2026Review
- Impact of emerging compound droughts on forests: A water supply and demand perspective.Plant biology (Stuttgart, Germany) · 2026Review
- Photosynthetic Temperature Tolerance Threshold Determines How Isoprene Emission is Affected by Elevated COPlant-environment interactions (Hoboken, N.J.) · 2025Article
- De Novo Terpenes Emitted from Juvenile Leaves ofMolecules (Basel, Switzerland) · 2025Article
- Optimal seasonal schedule for the production of isoprene, a highly volatile biogenic VOC.Scientific reports · 2024Article
- Leaf-level metabolic changes in response to drought affect daytime CO2 emission and isoprenoid synthesis pathways.Tree physiology · 2023Article
- Heat Stress Resistance Mechanisms of Two Cucumber Varieties from Different Regions.International journal of molecular sciences · 2022Article
- Heatwave frequency and seedling death alter stress-specific emissions of volatile organic compounds in Aleppo pine.Oecologia · 2021Article
- Are Flavonoids Effective Antioxidants in Plants? Twenty Years of Our Investigation.Antioxidants (Basel, Switzerland) · 2020Review
- Source of 12C in Calvin-Benson cycle intermediates and isoprene emitted from plant leaves fed with 13CO2.The Biochemical journal · 2020Article
- Heat Waves Change Plant Carbon Allocation Among Primary and Secondary Metabolism Altering COFrontiers in plant science · 2020Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The increasing occurrence of heatwaves has intensified temperature stress on terrestrial vegetation. Here, we investigate how two contrasting isoprene-emitting tropical species, Ficus benjamina and Pachira aquatica, cope with heat stress and assess the role of internal plant carbon sources for isoprene biosynthesis in relation to thermotolerance. To our knowledge, this is the first study to report isoprene emissions from P. aquatica. We exposed plants to two levels of heat stress and determined the temperature response curves for isoprene and photosynthesis. To assess the use of internal C sources in isoprene biosynthesis, plants were fed with 13C position-labelled pyruvate. F. benjamina was more heat tolerant with higher constitutive isoprene emissions and stronger acclimation to higher temperatures than P. aquatica, which showed higher induced isoprene emissions at elevated temperatures. Under heat stress, both isoprene emissions and the proportion of cytosolic pyruvate allocated into isoprene synthesis increased. This represents a mechanism that P. aquatica, and to a lesser extent F. benjamina, has adopted as an immediate response to sudden increase in heat stress. However, in the long run under prolonged heat, the species with constitutive emissions (F. benjamina) was better adapted, indicating that plants that invest more carbon into protective emissions of biogenic volatile organic compounds tend to suffer less from heat stress.
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