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Grass secondary cell walls, Brachypodium distachyon as a model for discovery by Joshua H. Coomey; Richard Sibout; Samuel P. Hazen is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Grass secondary cell walls, Brachypodium distachyon as a model for discovery about?

## Summary A key aspect of plant growth is the synthesis and deposition of cell walls. In specific tissues and cell types including xylem and fibre, a thick secondary wall comprised of cellulose, hemicellulose and lignin is deposited. Secondary cell walls provide a physical barrier that protects plants from pathogens, promotes tolerance to abiotic stresses and fortifies cells to withstand the forces associated with water transport and the physical weight of plant structures. Grasses have numerous cell wall features that are distinct from eudicots and other plants. Study of the model species Brachypodium distachyon as well as other grasses has revealed numerous features of the grass cell wall. These include the characterisation of xylosyl and arabinosyltransferases, a mixed‐linkage glucan synthase and hydroxycinnamate acyltransferases. Perhaps the most fertile area for discovery has been the formation of lignins, including the identification of novel substrates and enzyme activities towards the synthesis of monolignols. Other enzymes function as polymerising agents or transferases that modify lignins and facilitate interactions with polysaccharides. The regulatory aspects of cell wa

Who reads Grass secondary cell walls, Brachypodium distachyon as a model for discovery?

Author

Joshua H. Coomey; Richard Sibout; Samuel P. Hazen

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Cambridge University Press (CUP); Wiley (ISSN 0028-646X)

Published

2020

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)