Home > Research > Publications & Outputs > Is there scope for improving balance between Ru...

Research

Links

Text available via DOI:

Keywords

View graph of relations

Is there scope for improving balance between RuBP-regeneration and carboxylation capacities in wheat at elevated CO2?

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

Is there scope for improving balance between RuBP-regeneration and carboxylation capacities in wheat at elevated CO2? / Mitchell, R. A. C.; Theobald, Julian C.; Parry, M. A. J. et al.
In: Journal of Experimental Botany, Vol. 51, No. Suppl. 1, 02.2000, p. 391-397.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Mitchell, RAC, Theobald, JC, Parry, MAJ & Lawlor, DW 2000, 'Is there scope for improving balance between RuBP-regeneration and carboxylation capacities in wheat at elevated CO2?', Journal of Experimental Botany, vol. 51, no. Suppl. 1, pp. 391-397. https://doi.org/10.1093/jexbot/51.suppl_1.391

APA

Mitchell, R. A. C., Theobald, J. C., Parry, M. A. J., & Lawlor, D. W. (2000). Is there scope for improving balance between RuBP-regeneration and carboxylation capacities in wheat at elevated CO2? Journal of Experimental Botany, 51(Suppl. 1), 391-397. https://doi.org/10.1093/jexbot/51.suppl_1.391

Vancouver

Mitchell RAC, Theobald JC, Parry MAJ, Lawlor DW. Is there scope for improving balance between RuBP-regeneration and carboxylation capacities in wheat at elevated CO2? Journal of Experimental Botany. 2000 Feb;51(Suppl. 1):391-397. doi: 10.1093/jexbot/51.suppl_1.391

Author

Mitchell, R. A. C. ; Theobald, Julian C. ; Parry, M. A. J. et al. / Is there scope for improving balance between RuBP-regeneration and carboxylation capacities in wheat at elevated CO2?. In: Journal of Experimental Botany. 2000 ; Vol. 51, No. Suppl. 1. pp. 391-397.

Bibtex

@article{2f3760031bc24257ad90d72ef09202c7,
title = "Is there scope for improving balance between RuBP-regeneration and carboxylation capacities in wheat at elevated CO2?",
abstract = "Carboxylation and RuBP-regeneration capacities, which determine light-saturated photosynthetic rate, were analysed in leaves of spring wheat (Triticum aestivum L. cv. Minaret) grown under different atmospheric CO2 partial pressure (pC(a)) and N supply regimes. Capacities were estimated from a large number of gas exchange, Rubisco and ATP-synthase content measurements, and from these, the pC(a) at which the two capacities are equal was derived, to allow direct comparison with growth pC(a). Acclimation of the balance between the two capacities to growth at elevated pC(a) in wheat was only partial and appears to occur mostly in older flag leaves and at low N. However, in contrast to conclusions drawn from previous analyses of these data, there was evidence of a specific effect of growth at 70 Pa pC(a), where carboxylation capacity is reduced more than RuBP-regeneration capacity for a given leaf N content. A model was used to estimate the effects of fluctuations in PPFD and temperature in the growth environment on the optimal balance between these capacities. This showed that the observed balance between carboxylation and RuBP-regeneration capacities in young wheat leaves could be consistent with adaptation to the current, or even the preindustrial pC(a).",
keywords = "Triticum aestivum, carboxylation, RuBP regeneration, carbon dioxide, nitrogen, photosynthesis",
author = "Mitchell, {R. A. C.} and Theobald, {Julian C.} and Parry, {M. A. J.} and Lawlor, {D. W.}",
year = "2000",
month = feb,
doi = "10.1093/jexbot/51.suppl_1.391",
language = "English",
volume = "51",
pages = "391--397",
journal = "Journal of Experimental Botany",
issn = "1460-2431",
publisher = "OXFORD UNIV PRESS",
number = "Suppl. 1",

}

RIS

TY - JOUR

T1 - Is there scope for improving balance between RuBP-regeneration and carboxylation capacities in wheat at elevated CO2?

AU - Mitchell, R. A. C.

AU - Theobald, Julian C.

AU - Parry, M. A. J.

AU - Lawlor, D. W.

PY - 2000/2

Y1 - 2000/2

N2 - Carboxylation and RuBP-regeneration capacities, which determine light-saturated photosynthetic rate, were analysed in leaves of spring wheat (Triticum aestivum L. cv. Minaret) grown under different atmospheric CO2 partial pressure (pC(a)) and N supply regimes. Capacities were estimated from a large number of gas exchange, Rubisco and ATP-synthase content measurements, and from these, the pC(a) at which the two capacities are equal was derived, to allow direct comparison with growth pC(a). Acclimation of the balance between the two capacities to growth at elevated pC(a) in wheat was only partial and appears to occur mostly in older flag leaves and at low N. However, in contrast to conclusions drawn from previous analyses of these data, there was evidence of a specific effect of growth at 70 Pa pC(a), where carboxylation capacity is reduced more than RuBP-regeneration capacity for a given leaf N content. A model was used to estimate the effects of fluctuations in PPFD and temperature in the growth environment on the optimal balance between these capacities. This showed that the observed balance between carboxylation and RuBP-regeneration capacities in young wheat leaves could be consistent with adaptation to the current, or even the preindustrial pC(a).

AB - Carboxylation and RuBP-regeneration capacities, which determine light-saturated photosynthetic rate, were analysed in leaves of spring wheat (Triticum aestivum L. cv. Minaret) grown under different atmospheric CO2 partial pressure (pC(a)) and N supply regimes. Capacities were estimated from a large number of gas exchange, Rubisco and ATP-synthase content measurements, and from these, the pC(a) at which the two capacities are equal was derived, to allow direct comparison with growth pC(a). Acclimation of the balance between the two capacities to growth at elevated pC(a) in wheat was only partial and appears to occur mostly in older flag leaves and at low N. However, in contrast to conclusions drawn from previous analyses of these data, there was evidence of a specific effect of growth at 70 Pa pC(a), where carboxylation capacity is reduced more than RuBP-regeneration capacity for a given leaf N content. A model was used to estimate the effects of fluctuations in PPFD and temperature in the growth environment on the optimal balance between these capacities. This showed that the observed balance between carboxylation and RuBP-regeneration capacities in young wheat leaves could be consistent with adaptation to the current, or even the preindustrial pC(a).

KW - Triticum aestivum

KW - carboxylation

KW - RuBP regeneration

KW - carbon dioxide

KW - nitrogen

KW - photosynthesis

U2 - 10.1093/jexbot/51.suppl_1.391

DO - 10.1093/jexbot/51.suppl_1.391

M3 - Journal article

C2 - 10938847

VL - 51

SP - 391

EP - 397

JO - Journal of Experimental Botany

JF - Journal of Experimental Botany

SN - 1460-2431

IS - Suppl. 1

ER -