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Title: Measuring the dynamic photosynthome.
Author: Murchie, Erik H.
Kefauver, Shawn Carlisle
Muller, Onno
Rascher, Uwe
Flood, Pádraic J.
Lawson, Tracy
Araus Ortega, José Luis
Keywords: Genètica vegetal
Genètica de poblacions
Plant genetics
Population Genetics
Issue Date: 4-Jun-2018
Publisher: Oxford University Press
Abstract: Background Photosynthesis underpins plant productivity and yet is notoriously sensitive to small changes in environmental conditions, meaning that quantitation in nature across different time scales is not straightforward. The 'dynamic' changes in photosynthesis (i.e. the kinetics of the various reactions of photosynthesis in response to environmental shifts) are now known to be important in driving crop yield. Scope It is known that photosynthesis does not respond in a timely manner, and even a small temporal 'mismatch' between a change in the environment and the appropriate response of photosynthesis toward optimality can result in a fall in productivity. Yet the most commonly measured parameters are still made at steady state or a temporary steady state (including those for crop breeding purposes), meaning that new photosynthetic traits remain undiscovered. Conclusions There is a great need to understand photosynthesis dynamics from a mechanistic and biological viewpoint especially when applied to the field of 'phenomics' which typically uses large genetically diverse populations of plants. Despite huge advances in measurement technology in recent years, it is still unclear whether we possess the capability of capturing and describing the physiologically relevant dynamic features of field photosynthesis in sufficient detail. Such traits are highly complex, hence we dub this the 'photosynthome'. This review sets out the state of play and describes some approaches that could be made to address this challenge with reference to the relevant biological processes involved.
Note: Reproducció del document publicat a:
It is part of: Annals of Botany, 2018, vol. 122, p. 207-220
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ISSN: 0305-7364
Appears in Collections:Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)

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