Trends in Plant Science
Volume 25, Issue 8, August 2020, Pages 729-732
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Do Cell Wall Esters Facilitate Forest Response to Climate?

https://doi.org/10.1016/j.tplants.2020.05.011Get rights and content

Terrestrial ecosystem dynamics are strongly modified by stresses associated with climate change, impacting plant growth and development, mortality, and ecological succession. Here we highlight the potential role of plant cell wall esters to link changes in cell wall structure and function with biosphere–atmosphere fluxes of methanol, acetic acid, carbon dioxide (CO2), and water (H2O).

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Concluding Remarks

While little is known about the functions of cell wall ester modifications in trees, evidence from model plant systems like Arabidopsis thaliana suggests that they may be highly dynamic, playing central roles in cell growth, tissue development, and function, participating in sensing and signaling pathways involved in cell wall remodeling in response to stress, and integrate into primary C1–3 metabolism. Although the reservoirs and fluxes of carbon through acetylated and methylated cell wall

Acknowledgments

This material is based upon work supported by the U.S. Department of Energy (DOE), Office of Science, Office of Biological and Environmental Research (BER), Early Career Research Program under Award number FP00007421, the DOE Joint BioEnergy Institute (http://www.jbei.org) supported by contract DE-AC02-05CH11231, and the Next-Generation Ecosystem Experiments–Tropics Project (NGEE-Tropics) under contract No. DE-AC02-05CH11231.

Glossary

5,10-CH2-THF
5,10-Methylenetetrahydrofolate, the universal one carbon (C1) donor.
Egg-box structure
calcium-induced association of two parallel pectic galacturonan chains with a pattern of specific de-esterified galacturonic acid monomers ionically bound via Ca2+ ions.
Hemicellulose
plant polysaccharides that contain a β-(1→4) linked backbone, traditionally characterized by alkaline extraction. Hemicelluloses include xylan, arabinoxylan, xyloglucan, glucomannan, and mannan.
Pectin
a component of the

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Website: https://eesa.lbl.gov/profiles/kolby-jeremiah-jardine/ (K.J. Jardine)

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Twitter: @CarbonKolby (K.J. Jardine)

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