A guide to photosynthetic gas exchange measurements: fundamental principles, best practice and potential pitfalls

Busch, F. A. et al. (2024) A guide to photosynthetic gas exchange measurements: fundamental principles, best practice and potential pitfalls. Plant, Cell and Environment, (doi: 10.1111/pce.14815) (PMID:38321805) (Early Online Publication)

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Abstract

Gas exchange measurements enable mechanistic insights into the processes that underpin carbon and water fluxes in plant leaves which in turn inform understanding of related processes at a range of scales from individual cells to entire ecosytems. Given the importance of photosynthesis for the global climate discussion it is important to (a) foster a basic understanding of the fundamental principles underpinning the experimental methods used by the broad community, and (b) ensure best practice and correct data interpretation within the research community. In this review, we outline the biochemical and biophysical parameters of photosynthesis that can be investigated with gas exchange measurements and we provide step-by-step guidance on how to reliably measure them. We advise on best practices for using gas exchange equipment and highlight potential pitfalls in experimental design and data interpretation. The Supporting Information contains exemplary data sets, experimental protocols and data-modelling routines. This review is a community effort to equip both the experimental researcher and the data modeller with a solid understanding of the theoretical basis of gas-exchange measurements, the rationale behind different experimental protocols and the approaches to data interpretation.

Item Type:Articles
Additional Information:This work was supported by the Natural Environment Research Council (grant NE/W00674X/1 to F. A. B.) and by the Biotechnology and Biological Sciences Research Council (grants BB/R019894 and BB/W020289/1 to A. A. and M. P.).
Keywords:Photosynthesis, carbon reactions, stomata.
Status:Early Online Publication
Refereed:Yes
Glasgow Author(s) Enlighten ID:Papanatsiou, Dr Maria and Amtmann, Professor Anna
Authors: Busch, F. A., Ainsworth, E. A., Amtmann, A., Cavanagh, A. P., Driever, S. M., Ferguson, J. N., Kromdijk, J., Lawson, T., Leakey, A. D. B., Matthews, J. S. A., Meacham‐Hensold, K., Vath, R. L., Vialet‐Chabrand, S., Walker, B. J., and Papanatsiou, M.
College/School:College of Medical Veterinary and Life Sciences > School of Molecular Biosciences
Journal Name:Plant, Cell and Environment
Publisher:Wiley
ISSN:0140-7791
ISSN (Online):1365-3040
Published Online:06 February 2024
Copyright Holders:Copyright © 2024 The Authors
First Published:First published in Plant, Cell and Environment 2024
Publisher Policy:Reproduced under a Creative Commons License

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
302195Combining chemical priming and quantitative genetics to increase salt tolerance of soybeanAnna AmtmannBiotechnology and Biological Sciences Research Council (BBSRC)BB/R019894/1School of Molecular Biosciences
317070IRGA-Live Clamp: An integrated infrared gas-analysis platform to investigate systemic signalling within the plant canopyAnna AmtmannBiotechnology and Biological Sciences Research Council (BBSRC)BB/W020289/1School of Molecular Biosciences