About: The influence of low-temperature on the photochemical activity of chloroplasts and activity of antioxidant enzymes in maize leaves

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Effects of low temperature on activities of photosystems 1 and 2 and antioxidant enzymes in leaves of maize inbred and hybrid genotypes were studied. Marked decrease of PS 2 activity due to chill was observed in majority of genotypes/generations. The GR, APX and SOD activities highly increased, whereas activity of CAT showed lesser changes depending on the genotype/generation. Higher sensitivity of line 2013 to stress was transmitted to next generations when this line was used as the maternal parent. The intraspecific variability in photosynthetic and antioxidant parameters was caused mostly by dominance, but level of expression of this effect often changed after stress and was probably cause of increase in positive F1 heterosis. Other genetic effects (additivity, additive or dominant maternal effect) were also found to contribute to intraspecific variability in parameters. The dominant maternal effects possibly played important role in maintaining positive heterosis in F2 generation. Effects of low temperature on activities of photosystems 1 and 2 and antioxidant enzymes in leaves of maize inbred and hybrid genotypes were studied. Marked decrease of PS 2 activity due to chill was observed in majority of genotypes/generations. The GR, APX and SOD activities highly increased, whereas activity of CAT showed lesser changes depending on the genotype/generation. Higher sensitivity of line 2013 to stress was transmitted to next generations when this line was used as the maternal parent. The intraspecific variability in photosynthetic and antioxidant parameters was caused mostly by dominance, but level of expression of this effect often changed after stress and was probably cause of increase in positive F1 heterosis. Other genetic effects (additivity, additive or dominant maternal effect) were also found to contribute to intraspecific variability in parameters. The dominant maternal effects possibly played important role in maintaining positive heterosis in F2 generation. (en)
Title	The influence of low-temperature on the photochemical activity of chloroplasts and activity of antioxidant enzymes in maize leaves The influence of low-temperature on the photochemical activity of chloroplasts and activity of antioxidant enzymes in maize leaves (en)
skos:prefLabel	The influence of low-temperature on the photochemical activity of chloroplasts and activity of antioxidant enzymes in maize leaves The influence of low-temperature on the photochemical activity of chloroplasts and activity of antioxidant enzymes in maize leaves (en)
skos:notation	RIV/61389030:_____/09:00337492!RIV10-AV0-61389030
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA522/01/0846), Z(AV0Z50380511), Z(MSM0021620858)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Wilhelmová, Naděžda
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	Ústav experimentální botaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	319274
http://linked.open...ai/riv/idVysledku	RIV/61389030:_____/09:00337492
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	additivity; cold stress; dominance (en)
http://linked.open.../riv/klicoveSlovo	dominance cold stress additivity
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[AF23FBAF842D]
http://linked.open...i/riv/nazevZdroje	Biologia Plantarum
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Heterosis in Photosynthetic Characteristics of Maize under Low-Temperature Stress: Its Genetic and Physiological Basis
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	53
http://linked.open...iv/tvurceVysledku	Wilhelmová, Naděžda Holá, D. Kočová, M. Rothová, O.
http://linked.open...ain/vavai/riv/wos	000271748300011
http://linked.open...n/vavai/riv/zamer	Mechanismy regulace růstu a vývoje rostlin na úrovni buněk, orgánů a celých organismů: fyziologické, genetické a molekulárně biologické základy Signaling and cellular response mechanisms
issn	0006-3134
number of pages	9 (xsd:int)
is http://linked.open...avai/riv/vysledek of	The influence of low-temperature on the photochemical activity of chloroplasts and activity of antioxidant enzymes in maize leaves The influence of low-temperature on the photochemical activity of chloroplasts and activity of antioxidant enzymes in maize leaves The influence of low-temperature on the photochemical activity of chloroplasts and activity of antioxidant enzymes in maize leaves The influence of low-temperature on the photochemical activity of chloroplasts and activity of antioxidant enzymes in maize leaves

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