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| rdf:type
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| Description
| - Studovali jsme změny v antioxidační ochraně během stárnutí a senescence v chloroplastech transgenního tabáku s vneseným ipt genem pro syntézu cytokininů a v jejich kontrolách. Staré listy transgenních rostlin stejně tak jako jejich chloroplasty vykazovaly lepší fyziologické parametry v porovnání s kontrolními rostlinami. Antioxidační ochrana v transgenních rostlinách s věkem neklesala. Ačkoli však antioxidační ochrana poklesla ve starých listech kontrolních rostlin, askorbát peroxidáza a dehydroaskorbát reduktáza v jejich chloroplastech překvapivě vzrostla. (cs)
- We studied changes in antioxidant protection during ageing and senescence in chloroplasts of tobacco (Nicotiana tabacum L., cv. Wisconsin) with introduced SAG(12) promoter fused with ipt gene for cytokinin synthesis (transgenic plants with increased levels of cytokinins, SAG) or without it (control). Old leaves of SAG plants as well as their chloroplasts maintained higher physiological parameters compared to controls; accordingly, we concluded that their ageing was diverted due to increased cytokinin content. The chloroplast antioxidant protection did not decrease as well. Although antioxidant protection usually decreased in whole leaves of senescing control plants, ascorbate peroxidase (APX) and dehydroascorbate reductase (DHAR) activity, which maintained the high redox state of ascorbate, increased in chloroplasts of old control leaves.
- We studied changes in antioxidant protection during ageing and senescence in chloroplasts of tobacco (Nicotiana tabacum L., cv. Wisconsin) with introduced SAG(12) promoter fused with ipt gene for cytokinin synthesis (transgenic plants with increased levels of cytokinins, SAG) or without it (control). Old leaves of SAG plants as well as their chloroplasts maintained higher physiological parameters compared to controls; accordingly, we concluded that their ageing was diverted due to increased cytokinin content. The chloroplast antioxidant protection did not decrease as well. Although antioxidant protection usually decreased in whole leaves of senescing control plants, ascorbate peroxidase (APX) and dehydroascorbate reductase (DHAR) activity, which maintained the high redox state of ascorbate, increased in chloroplasts of old control leaves. (en)
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| Title
| - Antioxidant protection during ageing and senescence in chloroplasts of tobacco with modulated life span
- Antioxidant protection during ageing and senescence in chloroplasts of tobacco with modulated life span (en)
- Změny v antioxidační ochraně během stárnutí a senescence v chloroplastech transgenního tabáku (cs)
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| skos:prefLabel
| - Antioxidant protection during ageing and senescence in chloroplasts of tobacco with modulated life span
- Antioxidant protection during ageing and senescence in chloroplasts of tobacco with modulated life span (en)
- Změny v antioxidační ochraně během stárnutí a senescence v chloroplastech transgenního tabáku (cs)
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| skos:notation
| - RIV/61389030:_____/08:00325898!RIV09-AV0-61389030
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(GP522/05/P558), Z(AV0Z50380511)
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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/61389030:_____/08:00325898
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - cytokinins; Nicotiana tabacum; reactive oxygen species (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - GB - Spojené království Velké Británie a Severního Irska
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Cell Biochemistry and Function
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| http://linked.open...in/vavai/riv/obor
| |
| 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
| - Haisel, Daniel
- Procházková, Dagmar
- Wilhelmová, Naděžda
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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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