Does elevated atmospheric CO2 concentration inhibit mitochondrial respiration in green plants?

B. G. Drake, J. Azcon-Bieto, J. Berry, J. Bunce, Paul Dijkstra, J. Farrar, R. M. Gifford, M. A. Gonzalez-Meler, George W Koch, H. Lambers, J. Siedow, S. Wullschleger

Research output: Contribution to journalArticle

127 Citations (Scopus)

Abstract

There is abundant evidence that a reduction in mitochondrial respiration of plants occurs when atmospheric CO2 (C(a)) is increased. Recent reviews suggest that doubling the present C(a) will reduce the respiration rate [per unit dry weight (DW)] by 15 to 18%. The effect has two components: an immediate, reversible effect observed in leaves, stems, and roots of plants as well as soil microbes, and an irreversible effect which occurs as a consequence of growth in elevated C(a) and appears to be specific to C3 species. The direct effect has been correlated with inhibition of certain respiratory enzymes, namely cytochrome-oxidase and succinate dehydrogenase, and the indirect or acclimation effect may be related to changes in tissue composition. Although no satisfactory mechanisms to explain these effects have been demonstrated, plausible mechanisms have been proposed and await experimental testing. These are carbamylation of proteins and direct inhibition of enzymes of respiration. A reduction of foliar respiration of 15% by doubling present ambient C(a) would represent 3 Gt of carbon per annum in the global carbon budget.

Original languageEnglish (US)
Pages (from-to)649-657
Number of pages9
JournalPlant, Cell and Environment
Volume22
Issue number6
DOIs
StatePublished - 1999

Fingerprint

Viridiplantae
cell respiration
Respiration
Carbon
global carbon budget
Plant Stems
Plant Roots
Succinate Dehydrogenase
enzyme inhibition
Acclimatization
C3 plants
Electron Transport Complex IV
Budgets
Enzymes
Respiratory Rate
soil microorganisms
cytochrome-c oxidase
acclimation
Soil
Weights and Measures

Keywords

  • Acclimation to rising CO
  • Dark respiration
  • Global carbon cycle
  • Rising CO

ASJC Scopus subject areas

  • Plant Science

Cite this

Does elevated atmospheric CO2 concentration inhibit mitochondrial respiration in green plants? / Drake, B. G.; Azcon-Bieto, J.; Berry, J.; Bunce, J.; Dijkstra, Paul; Farrar, J.; Gifford, R. M.; Gonzalez-Meler, M. A.; Koch, George W; Lambers, H.; Siedow, J.; Wullschleger, S.

In: Plant, Cell and Environment, Vol. 22, No. 6, 1999, p. 649-657.

Research output: Contribution to journalArticle

Drake, BG, Azcon-Bieto, J, Berry, J, Bunce, J, Dijkstra, P, Farrar, J, Gifford, RM, Gonzalez-Meler, MA, Koch, GW, Lambers, H, Siedow, J & Wullschleger, S 1999, 'Does elevated atmospheric CO2 concentration inhibit mitochondrial respiration in green plants?', Plant, Cell and Environment, vol. 22, no. 6, pp. 649-657. https://doi.org/10.1046/j.1365-3040.1999.00438.x
Drake, B. G. ; Azcon-Bieto, J. ; Berry, J. ; Bunce, J. ; Dijkstra, Paul ; Farrar, J. ; Gifford, R. M. ; Gonzalez-Meler, M. A. ; Koch, George W ; Lambers, H. ; Siedow, J. ; Wullschleger, S. / Does elevated atmospheric CO2 concentration inhibit mitochondrial respiration in green plants?. In: Plant, Cell and Environment. 1999 ; Vol. 22, No. 6. pp. 649-657.
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