Increased SBPase activity improves photosynthesis and grain yield in wheat grown in greenhouse conditions

Steven M. Driever; Andrew J. Simkin; Saqer Alotaibi; Stuart J. Fisk; Pippa J. Madgwick; Caroline A Sparks; Huw Jones; Tracy Lawson; Martin A. J. Parry; Christine A. Raines

doi:10.1098/rstb.2016.0384

Increased SBPase activity improves photosynthesis and grain yield in wheat grown in greenhouse conditions

Steven M. Driever, Andrew J. Simkin, Saqer Alotaibi, Stuart J. Fisk, Pippa J. Madgwick, Caroline A Sparks, Huw Jones, Tracy Lawson, Martin A. J. Parry, Christine A. Raines

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Abstract

To meet the growing demand for food, substantial improvements in yields are needed. This is particularly the case for wheat, where global yield has stagnated in recent years. Increasing photosynthesis has been identified as a primary target to achieve yield improvements. To increase leaf photosynthesis in wheat, the level of the Calvin-Benson cycle enzyme sedoheptulose-1,7-biphosphatase (SBPase) has been increased through transformation and expression of a Brachypodium dystachion SBPase gene construct. Transgenic lines with increased SBPase protein levels and activity were grown under greenhouse conditions and showed enhanced leaf photosynthesis and increased total biomass and dry seed yield. This showed the potential of improving yield potential by increasing leaf photosynthesis in a crop species such as wheat. The results are discussed with regards to future strategies for further improvement of photosynthesis in wheat.

Original language	English
Article number	20160384
Number of pages	10
Journal	Philosophical Transactions B: Biological Sciences
Volume	372
Issue number	1730
Early online date	14 Aug 2017
DOIs	https://doi.org/10.1098/rstb.2016.0384
Publication status	Published - 26 Sept 2017

Keywords

Biomass
Calvin-Benson cycle
Sedoheptulose-1,7-biphosphatase
Transgenic
Yield
Plant Proteins/genetics
Triticum/genetics
Brachypodium/genetics
Photosynthesis
Edible Grain/genetics
Phosphoric Monoester Hydrolases/genetics
Plants, Genetically Modified/genetics

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Increased SBPase activity improves photosynthesis and grain yield in wheat grown in greenhouse conditionsFinal published version, 815 KBLicence: CC BY
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Driever, S. M., Simkin, A. J., Alotaibi, S., Fisk, S. J., Madgwick, P. J., Sparks, C. A., Jones, H., Lawson, T., Parry, M. A. J., & Raines, C. A. (2017). Increased SBPase activity improves photosynthesis and grain yield in wheat grown in greenhouse conditions. Philosophical Transactions B: Biological Sciences, 372(1730), Article 20160384. https://doi.org/10.1098/rstb.2016.0384

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abstract = "To meet the growing demand for food, substantial improvements in yields are needed. This is particularly the case for wheat, where global yield has stagnated in recent years. Increasing photosynthesis has been identified as a primary target to achieve yield improvements. To increase leaf photosynthesis in wheat, the level of the Calvin-Benson cycle enzyme sedoheptulose-1,7-biphosphatase (SBPase) has been increased through transformation and expression of a Brachypodium dystachion SBPase gene construct. Transgenic lines with increased SBPase protein levels and activity were grown under greenhouse conditions and showed enhanced leaf photosynthesis and increased total biomass and dry seed yield. This showed the potential of improving yield potential by increasing leaf photosynthesis in a crop species such as wheat. The results are discussed with regards to future strategies for further improvement of photosynthesis in wheat.",

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AU - Madgwick, Pippa J.

AU - Sparks, Caroline A

AU - Jones, Huw

AU - Lawson, Tracy

AU - Parry, Martin A. J.

AU - Raines, Christine A.

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KW - Photosynthesis

KW - Edible Grain/genetics

KW - Phosphoric Monoester Hydrolases/genetics

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JF - Philosophical Transactions B: Biological Sciences

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Increased SBPase activity improves photosynthesis and grain yield in wheat grown in greenhouse conditions

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Huw Jones

BBSRC Core Strategic Programme in Resilient Crops: Grasslands Gogerddan

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Increased SBPase activity improves photosynthesis and grain yield in wheat grown in greenhouse conditions

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BBSRC Core Strategic Programme in Resilient Crops: Grasslands Gogerddan

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