Lehmeier, C., Pajor, R., Lundgren, M.R. et al. (13 more authors) (2017) Cell density and airspace patterning in the leaf can be manipulated to increase leaf photosynthetic capacity. Plant Journal . ISSN 0960-7412
Abstract
The pattern of cell division, growth and separation during leaf development determines the pattern and amount of airspace in a leaf. The resulting balance of cellular material and airspace is expected to significantly influence the primary function of the leaf, photosynthesis, yet the manner and degree to which cell division patterns impact airspace networks and photosynthesis remains largely unexplored. In this paper we investigate the relationship of cell size and patterning, airspace and photosynthesis by promoting and repressing the expression of cell cycle genes in the leaf mesophyll. Using microCT imaging to quantify leaf cellular architecture and fluorescence/gas exchange analysis to measure leaf function, we show that increased cell density in the mesophyll of Arabidopsis can be used to increase leaf photosynthetic capacity. Our analysis suggests this occurs both by increasing tissue density (decreasing the relative amount of airspace) and by altering the pattern of airspace distribution within the leaf. Our results indicate that cell division patterns influence the photosynthetic performance of a leaf and that it is possible to engineer improved photosynthesis via this approach.
Metadata
Authors/Creators: |
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Copyright, Publisher and Additional Information: | This is the peer reviewed version of the following article: Lehmeier, C., Pajor, R., Lundgren, M. R., Mathers, A., Sloan, J., Bauch, M., Mitchell, A., Bellasio, C., Green, A., Bouyer, D., Schnittger, A., Sturrock, C., Osborne, C. P., Rolfe, S., Mooney, S. and Fleming, A. J. (2017), Cell density and airspace patterning in the leaf can be manipulated to increase leaf photosynthetic capacity. Plant Journal, which has been published in final form at https://doi.org/10.1111/tpj.13727. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving. |
Keywords: | leaf; Cell division; photosynthesis; Arabidopsis thaliana ; differentiation |
Dates: |
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Institution: | The University of Sheffield |
Academic Units: | The University of Sheffield > Faculty of Science (Sheffield) > School of Biological Sciences (Sheffield) > Department of Animal and Plant Sciences (Sheffield) |
Depositing User: | Symplectic Sheffield |
Date Deposited: | 09 Oct 2017 09:30 |
Last Modified: | 13 Jan 2020 13:48 |
Published Version: | https://doi.org/10.1111/tpj.13727 |
Status: | Published online |
Publisher: | Wiley |
Refereed: | Yes |
Identification Number: | https://doi.org/10.1111/tpj.13727 |
Related URLs: |