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Stress‐adaptive gene discovery by exploiting collective decision‐making of decentralised plant response systems

Chivasa, Stephen; Goodman, Heather L.

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Authors

Heather L. Goodman



Abstract

Despite having a network of cytoplasmic interconnections (plasmodesmata) facilitating rapid exchange of metabolites and signal molecules, plant cells use the extracellular matrix as an alternative route for cell‐cell communication. The need for extracellular signalling in plasmodesmata‐networked tissues is baffling. We propose the hypothesis that this phenomenon defines the plant extracellular matrix as a “democratic space” for collective decision‐making in a decentralised system, similar to quorum‐sensing in bacteria. Extracellular communication enables signal integration and coordination across several cell layers through ligand‐activated plasma membrane receptors. Recent results from drought stress‐adaptive responses and light‐mediated signalling in cell death activation show operational utility of this decision‐making process. We discuss opportunities for new innovations in drought gene discovery using platforms targeting the extracellular matrix.

Journal Article Type Article
Acceptance Date Oct 10, 2019
Online Publication Date Oct 18, 2019
Publication Date Mar 31, 2020
Deposit Date Nov 1, 2019
Publicly Available Date Nov 12, 2019
Journal New Phytologist
Print ISSN 0028-646X
Electronic ISSN 1469-8137
Publisher Wiley
Peer Reviewed Peer Reviewed
Volume 225
Issue 6
Pages 2307-2313
DOI https://doi.org/10.1111/nph.16273
Public URL https://durham-repository.worktribe.com/output/1279141

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