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Surveying Rubisco diversity and temperature response to improve crop photosynthetic efficiency

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Surveying Rubisco diversity and temperature response to improve crop photosynthetic efficiency. / Orr, Douglas John; Melao Alcantara, Andre; Kapralov, Maxim V.; Andralojc, P. John; Carmo-Silva, Ana Elizabete; Parry, Martin Afan John.

In: Plant Physiology, Vol. 172, No. 2, 03.10.2016, p. 707-717.

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@article{2e48ae29381b44c7ad5af98eb3d56872,
title = "Surveying Rubisco diversity and temperature response to improve crop photosynthetic efficiency",
abstract = "The threat to global food security of stagnating yields and population growth makes increasing crop productivity a critical goal over the coming decades. One key target for improving crop productivity and yields is increasing the efficiency of photosynthesis. Central to photosynthesis is ribulose-1,5-bisphosphate carboxylase/oxygenase, Rubisco, which is a critical but often rate-limiting component. Here we present full Rubisco catalytic properties measured at three temperatures for 75 plants species representing both crops and undomesticated plants from diverse climates. Some newly characterised Rubiscos were naturally 'better' compared to crop enzymes and have the potential to improve crop photosynthetic efficiency. The temperature response of the various catalytic parameters was largely consistent across the diverse range of species, though absolute values showed significant variation in Rubisco catalysis, even between closely related species. An analysis of residue differences amongst the species characterised identified a number of candidate amino acid substitutions that will aid in advancing engineering of improved Rubisco in crop systems. This study provides new insights on the range of Rubisco catalysis and temperature response present in nature, and provides new information to include in models from leaf to canopy and ecosystem scale.",
author = "Orr, {Douglas John} and {Melao Alcantara}, Andre and Kapralov, {Maxim V.} and Andralojc, {P. John} and Carmo-Silva, {Ana Elizabete} and Parry, {Martin Afan John}",
year = "2016",
month = oct
day = "3",
doi = "10.1104/pp.16.00750",
language = "English",
volume = "172",
pages = "707--717",
journal = "Plant Physiology",
issn = "0032-0889",
publisher = "American Society of Plant Biologists",
number = "2",

}

RIS

TY - JOUR

T1 - Surveying Rubisco diversity and temperature response to improve crop photosynthetic efficiency

AU - Orr, Douglas John

AU - Melao Alcantara, Andre

AU - Kapralov, Maxim V.

AU - Andralojc, P. John

AU - Carmo-Silva, Ana Elizabete

AU - Parry, Martin Afan John

PY - 2016/10/3

Y1 - 2016/10/3

N2 - The threat to global food security of stagnating yields and population growth makes increasing crop productivity a critical goal over the coming decades. One key target for improving crop productivity and yields is increasing the efficiency of photosynthesis. Central to photosynthesis is ribulose-1,5-bisphosphate carboxylase/oxygenase, Rubisco, which is a critical but often rate-limiting component. Here we present full Rubisco catalytic properties measured at three temperatures for 75 plants species representing both crops and undomesticated plants from diverse climates. Some newly characterised Rubiscos were naturally 'better' compared to crop enzymes and have the potential to improve crop photosynthetic efficiency. The temperature response of the various catalytic parameters was largely consistent across the diverse range of species, though absolute values showed significant variation in Rubisco catalysis, even between closely related species. An analysis of residue differences amongst the species characterised identified a number of candidate amino acid substitutions that will aid in advancing engineering of improved Rubisco in crop systems. This study provides new insights on the range of Rubisco catalysis and temperature response present in nature, and provides new information to include in models from leaf to canopy and ecosystem scale.

AB - The threat to global food security of stagnating yields and population growth makes increasing crop productivity a critical goal over the coming decades. One key target for improving crop productivity and yields is increasing the efficiency of photosynthesis. Central to photosynthesis is ribulose-1,5-bisphosphate carboxylase/oxygenase, Rubisco, which is a critical but often rate-limiting component. Here we present full Rubisco catalytic properties measured at three temperatures for 75 plants species representing both crops and undomesticated plants from diverse climates. Some newly characterised Rubiscos were naturally 'better' compared to crop enzymes and have the potential to improve crop photosynthetic efficiency. The temperature response of the various catalytic parameters was largely consistent across the diverse range of species, though absolute values showed significant variation in Rubisco catalysis, even between closely related species. An analysis of residue differences amongst the species characterised identified a number of candidate amino acid substitutions that will aid in advancing engineering of improved Rubisco in crop systems. This study provides new insights on the range of Rubisco catalysis and temperature response present in nature, and provides new information to include in models from leaf to canopy and ecosystem scale.

U2 - 10.1104/pp.16.00750

DO - 10.1104/pp.16.00750

M3 - Journal article

VL - 172

SP - 707

EP - 717

JO - Plant Physiology

JF - Plant Physiology

SN - 0032-0889

IS - 2

ER -