Lawson, Tracy and Blatt, Michael R (2014) Stomatal Size, Speed, and Responsiveness Impact on Photosynthesis and Water Use Efficiency. Plant Physiology, 164 (4). pp. 1556-1570. DOI https://doi.org/10.1104/pp.114.237107
Lawson, Tracy and Blatt, Michael R (2014) Stomatal Size, Speed, and Responsiveness Impact on Photosynthesis and Water Use Efficiency. Plant Physiology, 164 (4). pp. 1556-1570. DOI https://doi.org/10.1104/pp.114.237107
Lawson, Tracy and Blatt, Michael R (2014) Stomatal Size, Speed, and Responsiveness Impact on Photosynthesis and Water Use Efficiency. Plant Physiology, 164 (4). pp. 1556-1570. DOI https://doi.org/10.1104/pp.114.237107
Abstract
<jats:title>Abstract</jats:title><jats:p>The control of gaseous exchange between the leaf and bulk atmosphere by stomata governs CO2 uptake for photosynthesis and transpiration, determining plant productivity and water use efficiency. The balance between these two processes depends on stomatal responses to environmental and internal cues and the synchrony of stomatal behavior relative to mesophyll demands for CO2. Here we examine the rapidity of stomatal responses with attention to their relationship to photosynthetic CO2 uptake and the consequences for water use. We discuss the influence of anatomical characteristics on the velocity of changes in stomatal conductance and explore the potential for manipulating the physical as well as physiological characteristics of stomatal guard cells in order to accelerate stomatal movements in synchrony with mesophyll CO2 demand and to improve water use efficiency without substantial cost to photosynthetic carbon fixation. We conclude that manipulating guard cell transport and metabolism is just as, if not more likely to yield useful benefits as manipulations of their physical and anatomical characteristics. Achieving these benefits should be greatly facilitated by quantitative systems analysis that connects directly the molecular properties of the guard cells to their function in the field.</jats:p>
Item Type: | Article |
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Uncontrolled Keywords: | Water; Organ Size; Signal Transduction; Photosynthesis; Ion Transport; Plant Stomata |
Subjects: | Q Science > QH Natural history > QH301 Biology |
Divisions: | Faculty of Science and Health Faculty of Science and Health > Life Sciences, School of |
SWORD Depositor: | Unnamed user with email elements@essex.ac.uk |
Depositing User: | Unnamed user with email elements@essex.ac.uk |
Date Deposited: | 22 Sep 2014 09:57 |
Last Modified: | 30 Oct 2024 19:58 |
URI: | http://repository.essex.ac.uk/id/eprint/10323 |