About: Exogenous melatonin affects photosynthesis in characeae Chara australis.

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About: Exogenous melatonin affects photosynthesis in characeae Chara australis. 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	Melatonin was found in the fresh water characeae Chara australis. The concentrations (~4 mýg/g of tissue) were similar in photosynthesizing cells, independent of their position on the plant and rhizoids (roots) without chloroplasts. Exogenous melatonin, added at 10 mýM to the artificial pond water, increased quantum yield of photochemistry of photosystem II by 34%. The increased efficiency appears to be due to the amount of open reaction centers of photosystem II, rather than increased efficiency of each reaction center. More open reaction centers reflect better functionality of all photosynthetic transport chain constituents. We suggest that melatonin protection against reactive oxygen species covers not only chlorophyll, but also photosynthetic proteins in general. Melatonin was found in the fresh water characeae Chara australis. The concentrations (~4 mýg/g of tissue) were similar in photosynthesizing cells, independent of their position on the plant and rhizoids (roots) without chloroplasts. Exogenous melatonin, added at 10 mýM to the artificial pond water, increased quantum yield of photochemistry of photosystem II by 34%. The increased efficiency appears to be due to the amount of open reaction centers of photosystem II, rather than increased efficiency of each reaction center. More open reaction centers reflect better functionality of all photosynthetic transport chain constituents. We suggest that melatonin protection against reactive oxygen species covers not only chlorophyll, but also photosynthetic proteins in general. (en)
Title	Exogenous melatonin affects photosynthesis in characeae Chara australis. Exogenous melatonin affects photosynthesis in characeae Chara australis. (en)
skos:prefLabel	Exogenous melatonin affects photosynthesis in characeae Chara australis. Exogenous melatonin affects photosynthesis in characeae Chara australis. (en)
skos:notation	RIV/61989592:15310/13:33142850!RIV14-MSM-15310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED0007/01/01), P(EE2.3.20.0057)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Lazár, Dušan
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	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	73944
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/13:33142850
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	antioxidants, chlorophyll fluorescence, Characeae, melatonin, photosynthesis, reactive oxygen species (en)
http://linked.open.../riv/klicoveSlovo	antioxidants melatonin Characeae reactive oxygen species chlorophyll fluorescence photosynthesis
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[B0F6653F61AA]
http://linked.open...i/riv/nazevZdroje	Plant Signalling & Behavior
http://linked.open...in/vavai/riv/obor	BO
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Progress and internationalization of biophysical research at Faculty of Science, Palacky University in Olomouc Centre of the Region Haná for Biotechnological and Agricultural Research
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	8
http://linked.open...iv/tvurceVysledku	Lazár, Dušan Al Khazaaly, Sabah Beilby, Mary J. Murch, Susan J.
issn	1559-2316
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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