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rdf:type
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Description
| - Total in vitro activity of RuBPCO (ribulose-1,5-bisphosphate carboxylase/oxygenase) enzyme was assayed spectrophotometrically by the continuous measurement of 3-phosphoglycerate-dependent NADH oxidation in a coupled enzyme system. RuBPCO activities were found in the ranges 1.01-2.76 and 1.23-3.10 mu mol(CO2) m(-2) s(-1) in current Norway spruce needles growing in ambient (AC) and elevated (EC) CO2 concentration, respectively. RuBPCO activity in AC needles from the upper layer (U) was 11-15 % higher compared to those from the middle (M) layer, and even 44-56 % higher compared to the lower (L) layer of spruce crown. Over the vegetation season, we observed a highly significant decrease of RuBPCO activity in the EC-U needles from 3.10 (July) to 1.60 (October) mu mol(CO2) m(-2) s(-1) as a consequence of downward feedback regulation. Moreover, this down-regulation was not caused by a non-specific decrease in total leaf nitrogen content.
- Total in vitro activity of RuBPCO (ribulose-1,5-bisphosphate carboxylase/oxygenase) enzyme was assayed spectrophotometrically by the continuous measurement of 3-phosphoglycerate-dependent NADH oxidation in a coupled enzyme system. RuBPCO activities were found in the ranges 1.01-2.76 and 1.23-3.10 mu mol(CO2) m(-2) s(-1) in current Norway spruce needles growing in ambient (AC) and elevated (EC) CO2 concentration, respectively. RuBPCO activity in AC needles from the upper layer (U) was 11-15 % higher compared to those from the middle (M) layer, and even 44-56 % higher compared to the lower (L) layer of spruce crown. Over the vegetation season, we observed a highly significant decrease of RuBPCO activity in the EC-U needles from 3.10 (July) to 1.60 (October) mu mol(CO2) m(-2) s(-1) as a consequence of downward feedback regulation. Moreover, this down-regulation was not caused by a non-specific decrease in total leaf nitrogen content. (en)
- V práci byl sledován vliv zvýšené koncentrace CO2 na prostorovou diferenciaci aktivity enzymu Rubisco v koruně smrku ztepilého v průběhu vegetační sezóny a vliv obsahu celkového dusíku. (cs)
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Title
| - Long-term effect of elevated CO2 on spatial differentiation of ribulose-1,5-bisphosphate carboxylase/oxygenase activity in Norway spruce canopy
- Vliv dlouhodobého působení zvýšené koncentrace CO2 na prostorovou diferenciaci aktivity enzymu Rubisco v koruně smrku ztepilého. (cs)
- Long-term effect of elevated CO2 on spatial differentiation of ribulose-1,5-bisphosphate carboxylase/oxygenase activity in Norway spruce canopy (en)
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skos:prefLabel
| - Long-term effect of elevated CO2 on spatial differentiation of ribulose-1,5-bisphosphate carboxylase/oxygenase activity in Norway spruce canopy
- Vliv dlouhodobého působení zvýšené koncentrace CO2 na prostorovou diferenciaci aktivity enzymu Rubisco v koruně smrku ztepilého. (cs)
- Long-term effect of elevated CO2 on spatial differentiation of ribulose-1,5-bisphosphate carboxylase/oxygenase activity in Norway spruce canopy (en)
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skos:notation
| - RIV/60076658:12640/05:00008342!RIV09-MSM-12640___
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(LN00A141), P(OC E21.001), Z(AV0Z6087904), Z(MSM0021630502)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/60076658:12640/05:00008342
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - down-regulation; nitrogen; photosynthesis; Picea abies; sun and shade needles; vertical profile (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Urban, O.
- Marek, Michal
- Hrstka, M.
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http://linked.open...ain/vavai/riv/wos
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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is http://linked.open...avai/riv/vysledek
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