Predicting the unexpected in stomatal gas exchange: not just an open-and-shut case

Klejchová, M., Hills, A. and Blatt, M. R. (2020) Predicting the unexpected in stomatal gas exchange: not just an open-and-shut case. Biochemical Society Transactions, 48(3), pp. 881-889. (doi: 10.1042/BST20190632) (PMID:32453378) (PMCID:PMC7329339)

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Abstract

Plant membrane transport, like transport across all eukaryotic membranes, is highly non-linear and leads to interactions with characteristics so complex that they defy intuitive understanding. The physiological behaviour of stomatal guard cells is a case in point in which, for example, mutations expected to influence stomatal closing have profound effects on stomatal opening and manipulating transport across the vacuolar membrane affects the plasma membrane. Quantitative mathematical modelling is an essential tool in these circumstances, both to integrate the knowledge of each transport process and to understand the consequences of their manipulation in vivo. Here, we outline the OnGuard modelling environment and its use as a guide to predicting the emergent properties arising from the interactions between non-linear transport processes. We summarise some of the recent insights arising from OnGuard, demonstrate its utility in interpreting stomatal behaviour, and suggest ways in which the OnGuard environment may facilitate ‘reverse-engineering’ of stomata to improve water use efficiency and carbon assimilation.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Hills, Mr Adrian and Blatt, Professor Michael
Authors: Klejchová, M., Hills, A., and Blatt, M. R.
College/School:College of Medical Veterinary and Life Sciences > Institute of Molecular Cell and Systems Biology
Journal Name:Biochemical Society Transactions
Publisher:Portland Press
ISSN:0300-5127
ISSN (Online):1470-8752
Published Online:26 May 2020
Copyright Holders:Copyright © 2020 The Authors
First Published:First published in Biochemical Society Transactions 48(3): 881-889
Publisher Policy:Reproduced under a Creative Commons licence

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
190663Stomatal-based systems analysis of water use efficiencyMichael BlattBiotechnology and Biological Sciences Research Council (BBSRC)BB/L001276/1MCSB - Plant Sciences
170599Analysing GORK clustering for enhanced stomatal controlMichael BlattBiotechnology and Biological Sciences Research Council (BBSRC)BB/M001601/1MCSB - Plant Sciences
172696Synthesis of Microcompartments in Plants for Enhanced Carbon FixationMichael BlattBiotechnology and Biological Sciences Research Council (BBSRC)BB/N01832X/1MCSB - Plant Sciences
170646Developing a synthetic approach to manipulating guard cell membrane transport and stomatal controlMichael BlattBiotechnology and Biological Sciences Research Council (BBSRC)BB/L019205/1MCSB - Plant Sciences