About: Negativ feedback regulation is responsible for the non-liner modulation of photosynthetic activity in plants and cyanobacteria exposed to a dynamic light environment

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About: Negativ feedback regulation is responsible for the non-liner modulation of photosynthetic activity in plants and cyanobacteria exposed to a dynamic light environment Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Fotosyntetické organismy vystavené prostředí s měnícím se světlem vykazují komplexní přechody fotosyntetických aktivit, které silně závisí na časovém vzorci dopadajícího světla. Naše dřívější analýzy založené na zpětném inženýrství navrhují, že tato nelineární odpověď může být způsobena regulací fotosyntézy negativní zpětnou vazbou. Vyšší harmonické mody chlorofylové fluorescence jsou připsány regulacím negativní zpětnou vazbou energetického svázání mezi fykobilisomem a fotosystémem II v sinicích nebo reakcí Calvin-Bensonova cyklu v rostlinách tabáku vystavených hormonicky modulovanému světlu. Navrhujeme, že pozorovaná nelineární odpověď fotosyntézy (cs) Photosynthetic organisms exposed to a dynamic light environment exhibit complex transients of photosynthetic activities that are strongly dependent on the temporal pattern of the incident light. Our earlier reverse engineering analysis suggests that the non-linear response can be caused by a negative feedback regulation of photosynthesis. Upper harmonic modes in the chlorophyll fluorescence emission are ascribed to negative feedback regulation of the energetic coupling between phycobilisome and Photosystem II in cyanobacteria or of the reactions of the Calvin-Benson cycle in tobacco exposed to harmonically modulated light. We propose that the observed non-linear response of photosynthesis may also be relevant in modulated natural light environment. The non-linear photosynthetic response provides a new insight into dynamics of the regulatory processes. Photosynthetic organisms exposed to a dynamic light environment exhibit complex transients of photosynthetic activities that are strongly dependent on the temporal pattern of the incident light. Our earlier reverse engineering analysis suggests that the non-linear response can be caused by a negative feedback regulation of photosynthesis. Upper harmonic modes in the chlorophyll fluorescence emission are ascribed to negative feedback regulation of the energetic coupling between phycobilisome and Photosystem II in cyanobacteria or of the reactions of the Calvin-Benson cycle in tobacco exposed to harmonically modulated light. We propose that the observed non-linear response of photosynthesis may also be relevant in modulated natural light environment. The non-linear photosynthetic response provides a new insight into dynamics of the regulatory processes. (en)
Title	Negativ feedback regulation is responsible for the non-liner modulation of photosynthetic activity in plants and cyanobacteria exposed to a dynamic light environment Negativ feedback regulation is responsible for the non-liner modulation of photosynthetic activity in plants and cyanobacteria exposed to a dynamic light environment (en) Regulace negativní zpětnou vazbou je zodpovědná za nelineární modulaci fotosyntetické aktivity v rostlinách a sinicích vystavených prostředí s dynamickým světlem (cs)
skos:prefLabel	Negativ feedback regulation is responsible for the non-liner modulation of photosynthetic activity in plants and cyanobacteria exposed to a dynamic light environment Negativ feedback regulation is responsible for the non-liner modulation of photosynthetic activity in plants and cyanobacteria exposed to a dynamic light environment (en) Regulace negativní zpětnou vazbou je zodpovědná za nelineární modulaci fotosyntetické aktivity v rostlinách a sinicích vystavených prostředí s dynamickým světlem (cs)
skos:notation	RIV/67179843:_____/03:00031716!RIV06-AV0-67179843
http://linked.open.../vavai/riv/strany	5;17
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z6087904)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Nedbal, Ladislav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Centrum výzkumu globální změny AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	617455
http://linked.open...ai/riv/idVysledku	RIV/67179843:_____/03:00031716
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	photosynthetic (en)
http://linked.open.../riv/klicoveSlovo	photosynthetic
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[2F292997B5AC]
http://linked.open...i/riv/nazevZdroje	Photosynthesis Research
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2003
http://linked.open...v/svazekPeriodika	1607
http://linked.open...iv/tvurceVysledku	Nedbal, Ladislav
http://linked.open...n/vavai/riv/zamer	Ecology of the man's influencd landscape
issn	0166-8595
number of pages	13 (xsd:int)

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