Bricks out of the wall: polysaccharide extramural functions
Research output: Contribution to journal › Review › Research › peer-review
Plant polysaccharides are components of plant cell walls and/or store energy. However, this oversimplified classification neglects the fact that some cell wall polysaccharides and glycoproteins can localize outside the relatively sharp boundaries of the apoplastic moiety, where they adopt functions not directly related to the cell wall. Such polysaccharide multifunctionality (or ‘moonlighting’) is overlooked in current research, and in most cases the underlying mechanisms that give rise to unconventional ex muro trafficking, targeting, and functions of polysaccharides and glycoproteins remain elusive. This review highlights major examples of the extramural occurrence of various glycan cell wall components, discusses the possible significance and implications of these phenomena for plant physiology, and lists exciting open questions to be addressed by future research.
Original language | English |
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Journal | Trends in Plant Science |
Volume | 27 |
Issue number | 12 |
Pages (from-to) | 1231-1241 |
Number of pages | 11 |
ISSN | 1360-1385 |
DOIs | |
Publication status | Published - 2022 |
Bibliographical note
Publisher Copyright:
© 2022 Elsevier Ltd
- ex planta, glycoprotein, intracellular, moonlighting, polysaccharide, trafficking
Research areas
ID: 329247437