ArticleJournal of experimental botany2013
Evidence for the absence of enzymatic reactions in the glassy state. A case study of xanthophyll cycle pigments in the desiccation-tolerant moss Syntrichia ruralis.
Article in Journal of experimental botany, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed, 86 citations in OpenAlex.
- Exploring the phylogeny, molecular and genomic adaptations of thermophilic microalgae and cyanobacteria.Planta · 2026Review
- Hydration-Dehydration Dynamics in the Desiccation-Tolerant MossPlants (Basel, Switzerland) · 2025Article
- Natural variation in the ZmPIMT1 promoter enhances seed aging tolerance by regulating PABP2 repair in maize.The Plant cell · 2025Article
- Activity-dependent glassy cell mechanics II: Nonthermal fluctuations under metabolic activity.Biophysical journal · 2023Article
- Activity-dependent glassy cell mechanics Ⅰ: Mechanical properties measured with active microrheology.Biophysical journal · 2023Article
- Seed Longevity-The Evolution of Knowledge and a Conceptual Framework.Plants (Basel, Switzerland) · 2023Review
- Protective Strategies ofInternational journal of molecular sciences · 2022Article
- Metabolome of Ceratodon purpureus (Hedw.) Brid., a cosmopolitan moss: the influence of seasonality.Planta · 2022Article
- More than just lipid balls: quantitative analysis of plastoglobule attributes and their stress-related responses.Planta · 2022Article
- Responses of tree growth, leaf area and physiology to pavement inFrontiers in plant science · 2022Article
- The Orthodox Dry Seeds Are Alive: A Clear Example of Desiccation Tolerance.Plants (Basel, Switzerland) · 2021Review
- Photosynthesis on the edge: photoinhibition, desiccation and freezing tolerance of Antarctic bryophytes.Photosynthesis research · 2021Article
- Barley Seeds miRNome Stability during Long-Term Storage and Aging.International journal of molecular sciences · 2021Article
- AtFAHD1a: A New Player Influencing Seed Longevity and Dormancy in Arabidopsis?International journal of molecular sciences · 2021Article
- What is dry? Exploring metabolism and molecular mobility at extremely low water contents.Journal of experimental botany · 2021Article
- Symbiosis at its limits: ecophysiological consequences of lichenization in the genus Prasiola in Antarctica.Annals of botany · 2020Article
- Desiccation Mitigates Heat Stress in the Resurrection Fern,Frontiers in plant science · 2020Article
- Desiccation Tolerance in Chlorophyllous Fern Spores: Are Ecophysiological Features Related to Environmental Conditions?Frontiers in plant science · 2019Article
- Solid-State Biology and Seed Longevity: A Mechanical Analysis of Glasses in Pea and Soybean Embryonic Axes.Frontiers in plant science · 2019Article
- Arabidopsis Seed Stored mRNAs are Degraded Constantly over Aging Time, as Revealed by New Quantification Methods.Frontiers in plant science · 2019Article
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Authors and funding
11 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Desiccation-tolerant plants are able to withstand dehydration and resume normal metabolic functions upon rehydration. These plants can be dehydrated until their cytoplasm enters a 'glassy state' in which molecular mobility is severely reduced. In desiccation-tolerant seeds, longevity can be enhanced by drying and lowering storage temperature. In these conditions, they still deteriorate slowly, but it is not known if deteriorative processes include enzyme activity. The storage stability of photosynthetic organisms is less studied, and no reports are available on the glassy state in photosynthetic tissues. Here, the desiccation-tolerant moss Syntrichia ruralis was dehydrated at either 75% or <5% relative humidity, resulting in slow (SD) or rapid desiccation (RD), respectively, and different residual water content of the desiccated tissues. The molecular mobility within dry mosses was assessed through dynamic mechanical thermal analysis, showing that at room temperature only rapidly desiccated samples entered the glassy state, whereas slowly desiccated samples were in a 'rubbery' state. Violaxanthin cycle activity, accumulation of plastoglobules, and reorganization of thylakoids were observed upon SD, but not upon RD. Violaxanthin cycle activity critically depends on the activity of violaxanthin de-epoxidase (VDE). Hence, it is proposed that enzymatic activity occurred in the rubbery state (after SD), and that in the glassy state (after RD) no VDE activity was possible. Furthermore, evidence is provided that zeaxanthin has some role in recovery apparently independent of its role in non-photochemical quenching of chlorophyll fluorescence.
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