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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1111/nph.18545
|2 doi
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|a eng
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|a Garcia, Andres
|e verfasserin
|4 aut
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|a Enhancing crop yields through improvements in the efficiency of photosynthesis and respiration
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.12.2022
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|a Date Revised 01.11.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 The Authors. New Phytologist © 2022 New Phytologist Foundation.
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|a The rate with which crop yields per hectare increase each year is plateauing at the same time that human population growth and other factors increase food demand. Increasing yield potential ( Y p ) of crops is vital to address these challenges. In this review, we explore a component of Y p that has yet to be optimised - that being improvements in the efficiency with which light energy is converted into biomass ( ε c ) via modifications to CO2 fixed per unit quantum of light (α), efficiency of respiratory ATP production ( ε prod ) and efficiency of ATP use ( ε use ). For α, targets include changes in photoprotective machinery, ribulose bisphosphate carboxylase/oxygenase kinetics and photorespiratory pathways. There is also potential for ε prod to be increased via targeted changes to the expression of the alternative oxidase and mitochondrial uncoupling pathways. Similarly, there are possibilities to improve ε use via changes to the ATP costs of phloem loading, nutrient uptake, futile cycles and/or protein/membrane turnover. Recently developed high-throughput measurements of respiration can serve as a proxy for the cumulative energy cost of these processes. There are thus exciting opportunities to use our growing knowledge of factors influencing the efficiency of photosynthesis and respiration to create a step-change in yield potential of globally important crops
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|a Review
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a alternative oxidase (AOX)
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|a carbon balance
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|a photosynthesis
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|a respiration
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|a yield potential
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|a Ribulose-Bisphosphate Carboxylase
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|a Gaju, Oorbessy
|e verfasserin
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|a Bowerman, Andrew F
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|a Buck, Sally A
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|a Evans, John R
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|a Furbank, Robert T
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|a Gilliham, Matthew
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|a Millar, A Harvey
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|a Pogson, Barry J
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|a Reynolds, Matthew P
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|a Ruan, Yong-Ling
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|a Taylor, Nicolas L
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|a Tyerman, Stephen D
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|a Atkin, Owen K
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|i Enthalten in
|t The New phytologist
|d 1979
|g 237(2023), 1 vom: 02. Jan., Seite 60-77
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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|g volume:237
|g year:2023
|g number:1
|g day:02
|g month:01
|g pages:60-77
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|u http://dx.doi.org/10.1111/nph.18545
|3 Volltext
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