ArticlePlanta2006
Triacylglycerol phase and 'intermediate' seed storage physiology: a study of Cuphea carthagenensis.
Article in Planta, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed, 63 citations in OpenAlex.
- Thermal behaviour of lipids in short-lived seeds of Australian rainforest species.Annals of botany · 2025Article
- Characterization of Water States in Canola Seeds With Varying Moisture Contents Using Differential Scanning Calorimetry.Journal of food science · 2025Article
- Longevity, cryopreservation and propagation of carnivorous plants seeds: insights from 13 species in long-term ex situ collections.Annals of botany · 2025Article
- Orchid seeds are not always short lived in a conventional seed bank!Annals of botany · 2024Article
- Seed Storage Physiology ofPlants (Basel, Switzerland) · 2023Article
- Seed Longevity-The Evolution of Knowledge and a Conceptual Framework.Plants (Basel, Switzerland) · 2023Review
- Bryophyte Spores Tolerate High Desiccation Levels and Exposure to Cryogenic Temperatures but Contain Storage Lipids and Chlorophyll: Understanding the Essential Traits Needed for the Creation of Bryophyte Spore Banks.Plants (Basel, Switzerland) · 2022Article
- Longevity of preservedPhysiology and molecular biology of plants : an international journal of functional plant biology · 2022Article
- Lipid Thermal Fingerprints of Long-term Stored Seeds of Brassicaceae.Plants (Basel, Switzerland) · 2019Article
- Seed freeze sensitivity and ex situ longevity of 295 species in the native Hawaiian flora.American journal of botany · 2019Article
- The kinetics of ageing in dry-stored seeds: a comparison of viability loss and RNA degradation in unique legacy seed collections.Annals of botany · 2019Article
- Seed storage behaviour of tropical members of the aquatic basal angiosperm genusConservation physiology · 2019Article
- Review
- Article
- Review
- From Avicennia to Zizania: seed recalcitrance in perspective.Annals of botany · 2008Article
- Massive cellular disruption occurs during early imbibition of Cuphea seeds containing crystallized triacylglycerols.Planta · 2006Article
Corrections and comments
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Authors and funding
4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Seeds with 'intermediate' storage physiology store poorly under cold and dry conditions. We tested whether the poor shelf life can be attributed to triacylglycerol phase changes using Cuphea carthagenensis (Jacq.) seeds. Viability remained high when seeds were stored at 25 degrees C, but was lost quickly when seeds were stored at 5 degrees C. Deterioration was fastest in seeds with high (>or=0.10 g g(-1)) and low (0.01 g g(-1)) water contents (g H(2)O g dry mass(-1)), and slowest in seeds containing 0.04 g g(-1). A 45 degrees C treatment before imbibition restored germination of dry seeds by melting crystallized triacylglycerols. Here, we show that the rate of deterioration in C. carthagenensis seeds stored at 5 degrees C correlated with the rate that triacylglycerols crystallized within the seeds. Lipid crystallization, measured using differential scanning calorimetry, occurred at 6 degrees C for this species and was fastest for seeds stored at 5 degrees C that had high and very low water contents, and slowest for seeds containing 0.04 g g(-1). Germination decreased to 50% (P50) when between 16 and 38% of the triacylglycerols crystallized; complete crystallization took from 10 to over 200 days depending on water content. Our results demonstrate interactions between water and triacylglycerols in seeds: (1) water content affects the propensity of triacylglycerols to crystallize and (2) hydration of seed containing crystallized triacylglycerols is lethal. We suggest that these interactions form the basis of the syndrome of damage experienced when seeds with intermediate storage physiologies are placed in long-term storage.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.