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Plant biomechanics and resilience to environmental changes are controlled by specific lignin chemistries in each vascular cell type and morphotype
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Plant biomechanics and resilience to environmental changes are controlled by specific lignin chemistries in each vascular cell type and morphotype
Journal Article
Plant biomechanics and resilience to environmental changes are controlled by specific lignin chemistries in each vascular cell type and morphotype
The Plant Cell, Volume 34, Issue 12, December 2022, Pages 4877–4896, https://doi.org/10.1093/plcell/koac284
Published: 21 September 2022
... wall. Modifying this lignin biochemical specificity and the sequence of its formation impaired the cell wall biomechanics of each morphotype and consequently hindered sap conduction and drought recovery. Together, our results demonstrate that each sap-conducting vascular cell type distinctly controls...
Journal Article
Different combinations of laccase paralogs nonredundantly control the amount and composition of lignin in specific cell types and cell wall layers in Arabidopsis
The Plant Cell, Volume 35, Issue 2, February 2023, Pages 889–909, https://doi.org/10.1093/plcell/koac344
Published: 30 November 2022
... of the different xylem cell types with lignin phenolic polymers. Distinct lignin chemistries differ between each cell wall layer and each cell type to support their specific functions. Yet the mechanisms controlling the tight spatial localization of specific lignin chemistries remain unclear. Current hypotheses...
Journal Article
From the archives: Lignin chemistry and vascular cell capacity, chromosome organization in rice meiosis, and circadian clock setting by imbibition
The Plant Cell, Volume 36, Issue 1, January 2024, Pages 4–5, https://doi.org/10.1093/plcell/koad267
Published: 25 October 2023
... biomechanics and resilience to environmental changes are controlled by specific lignin chemistries in each vascular cell type and morphotype . Plant Cell . 2022 : 34 ( 12 ): 4877 – 4896 . https://doi.org/10.1093/plcell/koac284 Salomé PA , Xie Q , McClung CR . Circadian timekeeping...
Journal Article
A multi-task family: Different laccase paralogs control lignin content and composition in Arabidopsis
The Plant Cell, Volume 35, Issue 2, February 2023, Pages 638–639, https://doi.org/10.1093/plcell/koac350
Published: 06 December 2022
... , Bergström L , et al ( 2022 ) Plant biomechanics and resilience to environmental changes are controlled by specific lignin chemistries in each vascular cell type and morphotype . Plant Cell 34 ( 12 ): 4877 – 4896 Serk H , Gorzsás A , Tuominen H , Pesquet E ( 2015...
Image
Lignin structure differently alters the resistance of specific TE morphotyp...
Published: 21 September 2022
Figure 4
Lignin structure differently alters the resistance of specific TE morphotypes in annual plants. A, Traces of 25 representative perimeters for each TE type in transverse cross-sections from stems of Arabidopsis loss-of-function mutants altered in lignin structure. The outline color indicates
Image
Distinct lignin monomers nonredundantly control specific mechanical propert...
Published: 21 September 2022
Figure 6
Distinct lignin monomers nonredundantly control specific mechanical properties. A, Six-week-old Arabidopsis WT plant with basal, middle, and apical stem segments showing difference in TE developmental stages and marked with the colors representing them in subsequent panels. Wiesner stained cross
Image
Different TE morphotypes in annual plants have specific morphological featu...
Published: 21 September 2022
Figure 3
Different TE morphotypes in annual plants have specific morphological features and lignin chemistry. A, Schematic diagram of the localization of the three TE types in vascular bundles of Arabidopsis stems according to their distance to the cambium: PX in yellow, MX in purple and SX in blue. Each TE
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Different TE morphotypes in woody plants depend on specific postmortem accu...
Published: 21 September 2022
Figure 5
according to a Tukey-HSD test (per panel; α = 0.05); n = 56–72 individual cells from five plants per TE type. G, Representation of TE perimeter for each TE type in transverse cross-sections from stems of Populus tremula×tremuloides RNAi plants altering lignin biosynthesis. TE outline color
Image
Coniferaldehyde-induced flexibility of TE lignin improves plant resistance ...
Published: 21 September 2022
Figure 7
Coniferaldehyde-induced flexibility of TE lignin improves plant resistance and/or recovery from extreme Ψ differentials. A Top view of 4- to 5-week-old Arabidopsis WT, S-depleted fah1 , G CHO -overaccumulating cad4 cad5 , and S-depleted and G CHO -overaccumulating cad4 cad5 fah1 mutant
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Postmortem lignification actively alters biomechanics of TE SCWs. A, Scanni...
Published: 21 September 2022
Figure 1
Postmortem lignification actively alters biomechanics of TE SCWs. A, Scanning electron micrograph of isolated parenchyma cells, prepared using critical-point drying (CPD), as well as their EDS carbon (C) and oxygen (O) signals in color-coded intensity. B, Scanning electron micrograph of an isolated
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Gradual postmortem lignification enables all TE morphotypes to resist extre...
Published: 21 September 2022
Figure 2
arrow), or intact (blue arrow). C and D, Relative proportion of 10- to 50-d-old TEs from iPSCs that were fully collapsed, partially collapsed, or intact after CPD (C) or air drying (D). Error bars represent ± SD of three independent experiments; n = 27–159 individual cells per cell type and time
