ArticleNature plants2024
Polymeric phenylpropanoid derivatives crosslinked by hydroxyl fatty acids form the core structure of rape sporopollenin.
Article in Nature plants, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Molecular understanding of plant pollination, fertilization, seed development and protoplast regeneration.Science China. Life sciences · 2026Review
- Anther middle layer fatty acid synthesis is essential for pollen development and fertility restoration at low temperature in Arabidopsis.Plant physiology · 2026Article
- Redundant Glycerol-3-Phosphate Acyltransferases Regulate Thermo-Sensitive Genic Male Sterility in Rice.Plant biotechnology journal · 2026Article
- Identification of metabolic pathways associated with cytoplasmic male sterility in cotton (Gossypium hirsutum L.) using Data-Independent Acquisition-based proteomic profiling.BMC plant biology · 2026Article
- Hierarchical assembly of biomass fiber-lamella-macromolecule networks for biocomposites with high strength and water-resistant sealing.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
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Authors and funding
10 authors.
Funding
Abstract
Sporopollenin, a critical innovation in the evolution of terrestrial plants, is the core building brick for the outer wall of land-plant spores and pollen. Despite its significance, the basic structure of sporopollenin remains elusive due to its extreme chemical inertness. In this study, we used ethanolamine to completely dissolve rape sporopollenin and successfully identified a total of 22 components, including fatty acids, p-coumaric acid, sterols and polymeric phenylpropanoid derivatives. After that, using NaOH treatment and partial dissolution, alongside Arabidopsis mutants analysis and spectroscopic methods, we determined that polymeric phenylpropanoid derivatives crosslinked by hydroxyl fatty acids serve as the core structure of sporopollenin. The free hydroxyl groups and carboxyl groups of the polymeric phenylpropanoid derivatives can be modified by other fatty acids (C16:0, C18:0 and C18:3) as well as alcohols/phenols (for example, naringenin, β-sitosterol), resulting in a structure that protects pollen from terrestrial stresses. This discovery provides a basis for further exploration of sporopollenin's role in plant reproduction and evolution.
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