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| Description
| - Acclimation of the photosynthetic apparatus of chlorophyll b-less barley mutant chlorina f2 to low light (100 mumol m(-2) s(-1); LL) and extremely high light level (1000 mumol m(-2) s(-1); HL) was examined using techniques of pigment analysis and chlorophyll a fluorescence measurements at room temperature and at 77 K. The absence of chlorophyll b in LL-grown chlorina f2 resulted in the reduction of functional antenna size of both photosystem II (by 67%) and photosystem I (by 21%). Chlorophyll fluorescence characteristics of the LL-grown mutant indicated no impairment of the utilization of absorbed light energy in photosystem 11 photochemistry. Thermal dissipation of excitation energy estimated as non-photochemical quenching of minimal fluorescence (SV0) was significantly higher as compared to the wild-type barley grown under LL. Despite impaired assembly of pigment-protein complexes, chlorina f2 was able to efficiently acclimate to HL. In comparison with chlorina f2 grown under LL, HL-grown chlorina f
- Acclimation of the photosynthetic apparatus of chlorophyll b-less barley mutant chlorina f2 to low light (100 mumol m(-2) s(-1); LL) and extremely high light level (1000 mumol m(-2) s(-1); HL) was examined using techniques of pigment analysis and chlorophyll a fluorescence measurements at room temperature and at 77 K. The absence of chlorophyll b in LL-grown chlorina f2 resulted in the reduction of functional antenna size of both photosystem II (by 67%) and photosystem I (by 21%). Chlorophyll fluorescence characteristics of the LL-grown mutant indicated no impairment of the utilization of absorbed light energy in photosystem 11 photochemistry. Thermal dissipation of excitation energy estimated as non-photochemical quenching of minimal fluorescence (SV0) was significantly higher as compared to the wild-type barley grown under LL. Despite impaired assembly of pigment-protein complexes, chlorina f2 was able to efficiently acclimate to HL. In comparison with chlorina f2 grown under LL, HL-grown chlorina f (en)
- Aklimace fotosyntetického aparátu mutantu ječmene chlorina f2 (s absencí chlorofylu b) na nízkou ozářenost (100 #mol m-2 s-1; LL) a extrémně vysokou ozářenost (1000 #mol m-2 s-1; HL) byla studována pomocí technik analýzy pigmentů a měření fluorescence chlorofylu a při pokojové teplotě a 77 K. Absence chlorofylu b u chlorina f2 mutantu pěstovaného při LL měla za následek redukci funkční velikosti antén fotosystému II (o 67%) i fotosystému I (o 21%). Charakteristiky fluorescence chlorofylu u mutantu pěstovaného při LL neukazovaly na omezení využití absorbované světelné energie ve fotochemii fotosystému II. Teplotní disipace excitační energie stanovená jako nefotochemické zhášení minimální fluorescence (SV0) byla významně vyšší ve srovnání s divokým typem ječmene pěstovaným při LL. I přes změněnou organizaci pigment-proteinových komplexů byl mutant chlorina f2 schopen se účinně aklimovat na HL. (cs)
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| Title
| - Regulace využití excitační energie ve fotosyntetickém aparátu mutantu ječmene chlorina f2 pěstovaného při různých ozářenostech. (cs)
- Regulation of the excitation energy utilization in the photosynthetic apparatus of chlorina f2 barley mutant grown under different irradiances
- Regulation of the excitation energy utilization in the photosynthetic apparatus of chlorina f2 barley mutant grown under different irradiances (en)
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| skos:prefLabel
| - Regulace využití excitační energie ve fotosyntetickém aparátu mutantu ječmene chlorina f2 pěstovaného při různých ozářenostech. (cs)
- Regulation of the excitation energy utilization in the photosynthetic apparatus of chlorina f2 barley mutant grown under different irradiances
- Regulation of the excitation energy utilization in the photosynthetic apparatus of chlorina f2 barley mutant grown under different irradiances (en)
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| skos:notation
| - RIV/60076658:12640/04:00005617!RIV/2005/MSM/126405/N
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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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/60076658:12640/04:00005617
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Chlorina f2;chlorophyll fluorescence;Hordeum vulgare;light acclimation;non-photochemical quenching;photoprotection (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - CH - Švýcarská konfederace
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of Photochemistry and Photobiology B-Biology
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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
| - Kalina, Jiří
- Špunda, Vladimír
- Čajánek, Martin
- Štroch, M.
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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