Diurnal changes of Rubisco in response to elevated CO2, temperature and nitrogen in wheat grown under temperature gradient tunnels

Pérez, Pilar Pérez; Morcuende, Rosa; Molino, I. Martín del; Martínez‐Carrasco, Rafael

doi:10.1016/j.envexpbot.2004.02.008

Cited by 73 publications

(85 citation statements)

References 53 publications

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“…It is conceivable that at low nitrogen, with low Rubisco amounts and activities, RuBP may be in excess and therefore bind tightly to any uncarbamylated Rubisco sites. Consistent with studies relating down-regulation of Rubisco in elevated CO 2 to a low plant nitrogen status (Riviere-Rolland et al 1996;Nakano et al 1997;Farage et al 1998;Geiger et al 1999;Ellsworth et al 2004;Pérez et al 2005), the loss of Rubisco amount in elevated CO 2 was part of a general decrease in soluble protein, although after anthesis there was a preferential loss of Rubisco.…”

Section: Discussionsupporting

confidence: 80%

“…1) show that photosynthesis in plants grown in elevated CO 2 was limited by Rubisco activity up to CO 2 concentrations above those prevailing during growth. This was due, first, to the low stomatal conductance and intercellular CO 2 concentrations in the warm, dry environment of the experiments (del Pozo et al 2005), and, second, to the decrease in Rubisco activity with long-term growth in elevated CO 2 (Tables 1, 2) that has also been observed in preceding studies (Drake et al 1997;Long et al 2004;Pérez et al 2005). Accordingly, the smaller decrease in photosynthetic capacity caused by elevated CO 2 at warmer rather than ambient temperatures is attributable to changes in Rubisco-limited carboxylation.…”

Section: Discussionmentioning

confidence: 65%

“…This is often associated with decreased expression of genes encoding the small subunit of Rubisco (rbcS) (Drake et al 1997; Moore et al 1999). Other studies suggest a strong link between the decrease in Rubisco protein under elevated CO 2 and the plant nitrogen status (Riviere-Rolland et al 1996;Nakano et al 1997;Farage et al 1998;Geiger et al 1999;Ellsworth et al 2004;Pérez et al 2005). Acclimation of photosynthesis to elevated CO 2 is usually more marked in nitrogen-limited plants than in wellfertilized plants (Webber et al 1994;Drake et al 1997;Farage et al 1998;Stitt and Krapp 1999).…”

Section: Introductionmentioning

confidence: 97%

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Down-regulation of Rubisco activity under combined increases of CO2 and temperature minimized by changes in Rubisco kcat in wheat

et al. 2011

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Increases in growth temperature have been observed to affect photosynthesis differently under longterm exposure to ambient-and twice ambient-air CO 2 concentrations. This study investigates the causes of this interaction in wheat (Triticum aestivum L.) grown in the field over two consecutive years under temperature gradient chambers in ambient (370 lmol mol -1 ) or elevated (700 lmol mol -1 ) atmospheric CO 2 concentrations and at ambient or ambient ?4°C temperatures, with either a low or a high nitrogen supply. The photosynthesis-internal CO 2 response curves and the activity, activation state, k cat and amount of Ribulose-1, 5-bisphosphate carboxylase/oxygenase (Rubisco) were measured, as well as the soluble protein concentration in flag leaves at ear emergence and 8-15 days after anthesis. A high nitrogen supply increased V cmax , the Rubisco amount and activity and soluble protein contents, but did not significantly change the Rubisco k cat . Both elevated CO 2 and above ambient temperatures had negative effects on V cmax and Rubisco activity, but at elevated CO 2 , an increase in temperature did not decrease V cmax or Rubisco activity in relation to ambient temperature. The amounts of Rubisco and soluble protein decreased with elevated CO 2 and temperature. The negative impact of elevated CO 2 on Rubisco properties was somewhat counteracted at elevated temperatures by an increase in k cat . This effect can diminish the detrimental effects on photosynthesis of combined increases of CO 2 and temperature.

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Section: Discussionsupporting

confidence: 80%

Section: Discussionmentioning

confidence: 65%

Section: Introductionmentioning

confidence: 97%

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Down-regulation of Rubisco activity under combined increases of CO2 and temperature minimized by changes in Rubisco kcat in wheat

et al. 2011

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“…Substantial efforts are made to study ecological and biological effect of climate warming and nitrogen deposition on plant growth and physiology (Nakaji et al 2001;Pérez et al 2005;Larssen et al 2006;Han et al 2009). It is generally accepted that warming always promotes plant photosynthetic capacity in cold regions (Han et al 2009).…”

Section: Introductionmentioning

confidence: 99%

Effects of soil warming and nitrogen fertilization on leaf physiology of Pinus tabulaeformis seedlings

Zhao

Liu

2012

Acta Physiol Plant

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“…Elevated CQ levels were reported to increase midday photosynthetic CO2 exchange rate and water use efficiency and lower transpiration and stomatal conductance (Vu, 2005), increase fine root production and mortality and turnover (Di[ustro et al, 2002), decrease the activity of ribulose bisphosphate carboxylase (Rubisco) (Perez et al, 2005), and resulted in larger leaves on short shoots and more leaves per shoot length on long shoots (Hamerlynck et al, 2002).…”

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confidence: 99%

Allometry ofUrtica urens in polluted and unpolluted habitats

Elkarmi

Eideh

2006

J. Plant Biol.

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The allometry of Urtica urens (small nettle), an important medicinal plant in many countries, growing in an area near pollution sources and an area away from pollution sources was determined. The allometric coefficients were determined for nonlinear relationships between plant height, stem width, root length, petiole length, leaf dry weight, petiole dry weight, leaf length, leaf width, leaf area and specific leaf area. The slopes of the linear equations were determined for the above parameters. The results showed that there is a difference in the allometry of different parts of U. urens growing in these two areas. Air pollutants reduced the plant height, stem width, root length and petiole length and increased leaf parameters. The same pattern of growth was reflected by comparing the slopes of the straight lines of the parts of the plants growing in the two areas.

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Diurnal changes of Rubisco in response to elevated CO2, temperature and nitrogen in wheat grown under temperature gradient tunnels

Cited by 73 publications

References 53 publications

Down-regulation of Rubisco activity under combined increases of CO2 and temperature minimized by changes in Rubisco kcat in wheat

Down-regulation of Rubisco activity under combined increases of CO2 and temperature minimized by changes in Rubisco kcat in wheat

Effects of soil warming and nitrogen fertilization on leaf physiology of Pinus tabulaeformis seedlings

Allometry ofUrtica urens in polluted and unpolluted habitats

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