The hot and the cold: unravelling the variable response of plant respiration to temperature

Functional Plant Biology : FPB
Owen K AtkinMark G Tjoelker

Abstract

When predicting the effects of climate change, global carbon circulation models that include a positive feedback effect of climate warming on the carbon cycle often assume that (1) plant respiration increases exponentially with temperature (with a constant Q10) and (2) that there is no acclimation of respiration to long-term changes in temperature. In this review, we show that these two assumptions are incorrect. While Q10 does not respond systematically to elevated atmospheric CO2 concentrations, other factors such as temperature, light, and water availability all have the potential to influence the temperature sensitivity of respiratory CO2 efflux. Roots and leaves can also differ in their Q10 values, as can upper and lower canopy leaves. The consequences of such variable Q10 values need to be fully explored in carbon modelling. Here, we consider the extent of variability in the degree of thermal acclimation of respiration, and discuss in detail the biochemical mechanisms underpinning this variability; the response of respiration to long-term changes in temperature is highly dependent on the effect of temperature on plant development, and on interactive effects of temperature and other abiotic factors (e.g. irradiance, drough...Continue Reading

References

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Citations

Jun 10, 2020·Functional Plant Biology : FPB·Débora di FrancescantonioPaula I Campanello
Dec 24, 2005·Journal of Experimental Botany·O K AtkinT L Pons
Jul 31, 2007·Plant, Cell & Environment·Rowan F Sage, David S Kubien
Jul 31, 2007·Plant, Cell & Environment·Jens Kattge, Wolfgang Knorr
May 30, 2008·Physiologia Plantarum·Sylvie M Brouder, Jeffrey J Volenec
Feb 13, 2008·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Jon Lloyd, Graham D Farquhar
Mar 29, 2014·Journal of Experimental Botany·Susanna PollastriFrancesco Loreto
May 29, 2014·Journal of Experimental Botany·Albert Porcar-CastellJoseph A Berry
Nov 12, 2014·The New Phytologist·Roland HasibederMichael Bahn
Jun 14, 2017·Scientific Reports·Or SperlingMaciej A Zwieniecki
Dec 21, 2019·Plant, Cell & Environment·Fatimah Azzahra Ahmad RashidAndrew P Scafaro
Aug 1, 2008·Functional Plant Biology : FPB·Lai Fern OwMatthew H Turnbull
Mar 6, 2007·The New Phytologist·Richard Norby, Holly Slater
Jan 10, 2008·Plant, Cell & Environment·Molly A CavaleriMichael G Ryan
Aug 21, 2008·Journal of Integrative Plant Biology·Dongmei JinShucun Sun
Dec 1, 2010·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Przemyslaw ZelazowskiJoshua B Fisher
Feb 13, 2008·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·P MeirR A Fisher
Jan 3, 2013·The New Phytologist·Alexander W Cheesman, Klaus Winter
Dec 3, 2015·PloS One·Or SperlingMaciej A Zwieniecki
Jan 5, 2017·Environmental Toxicology and Chemistry·Elisa Monteze BicalhoQueila Souza Garcia

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