ArticleTree physiology2018
Antifungal stilbene impregnation: transport and distribution on the micron-level.
Article in Tree physiology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Optimized extraction of Pinus taeda knotwood sawmill residues as source of antifungal compounds.Bioresources and bioprocessing · 2026Article
- Savinin Triggers Programmed Cell Death of Ray Parenchyma Cells in Heartwood Formation ofPlants (Basel, Switzerland) · 2023Article
- Defensive strategies of Norway spruce and Kurile larch heartwood elucidated on the micron-level.Scientific reports · 2021Article
- Raman imaging reveals in-situ microchemistry of cuticle and epidermis of spruce needles.Plant methods · 2021Article
- Oak wood drying: precipitation of crystalline ellagic acid leads to discoloration.Holzforschung · 2021Article
- A Guide to Elucidate the Hidden Multicomponent Layered Structure of Plant Cuticles by Raman Imaging.Frontiers in plant science · 2021Article
- Localization of (+)-Catechin inMolecules (Basel, Switzerland) · 2020Article
- Using the CODIT model to explain secondary metabolites of xylem in defence systems of temperate trees against decay fungi.Annals of botany · 2020Review
- From the Soft to the Hard: Changes in Microchemistry During Cell Wall Maturation of Walnut Shells.Frontiers in plant science · 2020Article
- Infrared and Raman spectra of lignin substructures: Coniferyl alcohol, abietin, and coniferyl aldehyde.Journal of Raman spectroscopy : JRS · 2019Article
- Cellular level chemical changes in Scots pine heartwood during incipient brown rot decay.Scientific reports · 2019Article
- Understanding the Formation of Heartwood in Larch Using Synchrotron Infrared Imaging Combined With Multivariate Analysis and Atomic Force Microscope Infrared Spectroscopy.Frontiers in plant science · 2019Article
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Authors and funding
4 authors.
Funding
Abstract
The transition from the living water-transporting sapwood to heartwood involves in many tree species impregnation with extractives. These differ in amount and composition, and enhance resistance against bacteria, insects or fungi. To understand the synthesis, transport and impregnation processes new insights into the biochemical processes are needed by in-situ methods. Here we show the extractive distribution in pine (Pinus sylvestris) microsections with a high lateral resolution sampled in a non-destructive manner using Confocal Raman Microscopy. Integrating marker bands of stilbenes and lipids enables to clearly track the rapid change from sapwood to heartwood within one tree ring. The higher impregnation of the cell corner, compound middle lamella, the S3 layer and pits reveals the optimization of decay resistance on the micron-level. Furthermore, deposits with changing chemical composition are elucidated in the rays and lumen of the tracheids. The spectral signature of these deposits shows the co-location of lipids and pinosylvins with changing ratios from the living to the dead tissue. The results demonstrate that the extractive impregnation on the micro- and nano-level is optimized by a symbiotic relationship of lipids and pinosylvins to enhance the tree's resistance and lifetime.
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