ArticleJournal of experimental botany2022
Molecular and physiological responses to desiccation indicate the abscisic acid pathway is conserved in the peat moss, Sphagnum.
Article in Journal of experimental botany, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 12 citations in OpenAlex.
- Contrasting Photochemical Stability and Oxidative Injury Shape Drought Responses in Ferns and Mosses.Plants (Basel, Switzerland) · 2026Article
- Role of Peat Moss (Sphagnum) in Reduction of Environmental Toxicity in Correlation with Various Microbes.Applied biochemistry and biotechnology · 2025Review
- The effects of drought on Sphagnum moss species and the implications for hydrology in peatlands.The New phytologist · 2025Review
- Recovery of Sphagnum from drought is controlled by species-specific moisture thresholds.Scientific reports · 2025Article
- Balancing the solar irradiance needs: optimising growth in sphagnum palustre through tailored UV-B effects.BMC plant biology · 2025Article
- Gaining or cutting SLAC: the evolution of plant guard cell signalling pathways.The New phytologist · 2024Article
- Combined application of biochar and peatmoss for mitigation of drought stress in tobacco.BMC plant biology · 2024Article
- Variation in Water-Holding Capacity inPlants (Basel, Switzerland) · 2024Article
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Authors and funding
9 authors at 2 institutions in 2 countries.
Funding
Abstract
Mosses of the genus Sphagnum are the main components of peatlands, a major carbon-storing ecosystem. Changes in precipitation patterns are predicted to affect water relations in this ecosystem, but the effect of desiccation on the physiological and molecular processes in Sphagnum is still largely unexplored. Here we show that different Sphagnum species have differential physiological and molecular responses to desiccation but, surprisingly, this is not directly correlated with their position in relation to the water table. In addition, the expression of drought responsive genes is increased upon water withdrawal in all species. This increase in gene expression is accompanied by an increase in abscisic acid (ABA), supporting a role for ABA during desiccation responses in Sphagnum. Not only do ABA levels increase upon desiccation, but Sphagnum plants pre-treated with ABA display increased tolerance to desiccation, suggesting that ABA levels play a functional role in the response. In addition, many of the ABA signalling components are present in Sphagnum and we demonstrate, by complementation in Physcomitrium patens, that Sphagnum ABI3 is functionally conserved. The data presented here, therefore, support a conserved role for ABA in desiccation responses in Sphagnum.
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