ArticleAnnals of botany2012
Comparative studies of thermotolerance: different modes of heat acclimation between tolerant and intolerant aquatic plants of the genus Potamogeton.
Article in Annals of botany, 2012. 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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13 citing papers in PubMed, 34 citations in OpenAlex.
- Alternative Splicing of Functional Genes in Plant Growth, Development, and Stress Responses.International journal of molecular sciences · 2025Review
- Review
- Transcriptomic and physiological analyses reveal different grape varieties response to high temperature stress.Frontiers in plant science · 2024Article
- BcWRKY22 ActivatesAntioxidants (Basel, Switzerland) · 2023Article
- Regulation of alternative splicing in response to temperature variation in plants.Journal of experimental botany · 2021Review
- Alternative Splicing of Heat Shock Transcription Factor 2 Regulates the Expression of Laccase Gene Family in Response to Copper inApplied and environmental microbiology · 2021Article
- Alternative Splicing Provides a Mechanism to Regulate LlHSFA3 Function in Response to Heat Stress in Lily.Plant physiology · 2019Article
- Integrating Omics and Alternative Splicing Reveals Insights into Grape Response to High Temperature.Plant physiology · 2017Article
- Aquatic Plant Genomics: Advances, Applications, and Prospects.International journal of genomics · 2017Review
- Loss of heterophylly in aquatic plants: not ABA-mediated stress but exogenous ABA treatment induces stomatal leaves in Potamogeton perfoliatus.Journal of plant research · 2016Article
- Natural populations of Arabidopsis thaliana differ in seedling responses to high-temperature stress.AoB PLANTS · 2015Article
- Boechera species exhibit species-specific responses to combined heat and high light stress.PloS one · 2015Article
- An autoregulatory loop controlling Arabidopsis HsfA2 expression: role of heat shock-induced alternative splicing.Plant physiology · 2013Article
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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
BACKGROUND AND
aimsMolecular-based studies of thermotolerance have rarely been performed on wild plants, although this trait is critical for summer survival. Here, we focused on thermotolerance and expression of heat shock transcription factor A2 (HSFA2) and its putative target gene (chloroplast-localized small heat shock protein, CP-sHSP) in two allied aquatic species of the genus Potamogeton (pondweeds) that differ in survival on land.
methodsThe degree of thermotolerance was examined using a chlorophyll bioassay to assess heat injury in plants cultivated under non- and heat-acclimation conditions. Potamogeton HSFA2 and CP-sHSP genes were identified and their heat-induction was quantified by real-time PCR. KEY
resultsThe inhibition of chlorophyll accumulation after heat stress showed that Potamogeton malaianus had a higher basal thermotolerance and developed acquired thermotolerance, whereas Potamogeton perfoliatus was heat sensitive and unable to acquire thermotolerance. We found two duplicated HSFA2 and CP-sHSP genes in each species. These genes were induced by heat shock in P. malaianus, while one HSFA2a gene was not induced in P. perfoliatus. In non-heat-acclimated plants, transcript levels of HSFA2 and CP-sHSP were transiently elevated after heat shock. In heat-acclimated plants, transcripts were continuously induced during sublethal heat shock in P. malaianus, but not in P. perfoliatus. Instead, the minimum threshold temperature for heat induction of the CP-sHSP genes was elevated in P. perfoliatus.
conclusionsOur comparative study of thermotolerance showed that heat acclimation leads to species-specific changes in heat response. The development of acquired thermotolerance is beneficial for survival at extreme temperatures. However, the loss of acquired thermotolerance and plasticity in the minimum threshold temperature of heat response may be favourable for plants growing in moderate habitats with limited daily and seasonal temperature fluctuations.
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