Elastic and collapsible: current understanding of cell walls in succulent plants.
Name
erac054.pdf
Description
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3.77 MB
Format
Adobe PDF
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Resource type
Journal article
Date published
February 15, 2022
Abstract
Succulent plants represent a large functional group of drought-resistant plants which store water in specialized tissues. Several co-adaptive traits accompany water-storage capacity to constitute the succulent syndrome. A widely reported anatomical adaptation of cell walls in succulent tissues allows them to fold in a regular fashion during extended drought, thus preventing irreversible damage and allowing for reversible volume changes. Although ongoing research on crop and model species continuously reports the importance of cell walls and their dynamics in drought resistance, cell walls of succulent plants have received relatively little attention to date, despite the potential of succulents as natural capital to mitigate the effects of climate change. In this review, we summarize the current knowledge of cell walls in drought-avoiding succulents and their effects on tissue biomechanics, water relations and photosynthesis. We also highlight the existing knowledge gaps and propose a hypothetical model for regulated cell wall folding in succulent tissues upon dehydration. Future perspectives of methodological development in succulent cell wall characterization, including the latest technological advances in molecular and imaging techniques, are also presented.
Funder
| Funder name | Awards |
H2020 Marie Skłodowska-Curie Actions, European Union | Grant agreement No 801199 |
Grønt Udviklings- og Demonstrationsprogram, Denmark | Project GræsProteinFoder |
Danmarks Frie Forskningsfond | Grant number 272-07-0152 |
Journal title
Journal of Experimental Botany
Article number
erac054
Publisher
Oxford University Press (OUP)
Place of publication
Oxford, UK
ISSN
0022-0957
eISSN
1460-2431
Official URL
Rights statement
In Copyright