About: Recondensation level of repetitive sequences in the plant protoplast nucleus is limited by oxidative stress

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About: Recondensation level of repetitive sequences in the plant protoplast nucleus is limited by oxidative stress 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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Protoplast cultures are remarkable examples of plant cell dedifferentiation. The state of dedifferentiation is evidenced by changes in cell morphology, genome organization, as well as by the capability of protoplasts to differentiate into multiple types of cells. The first change in the genome structure is connected with large-scale chromatin decondensation, affecting chromocenters involving various types of these repetitive sequences. This paper describes not only the de- and re-condensation of repetitive sequences, but it also compares the recondensation level of chromatin with the levels of oxidative stress which were decreased by using an antioxidant. We have demonstrated that the treatment of protoplasts with ascorbic acid not only decreased the level of oxidative stress but also positively stimulated the expression of the ascorbate peroxidase and catalase. It also led to a greater recondensation of the chromatin (when compared to the untreated protoplasts). Protoplast cultures are remarkable examples of plant cell dedifferentiation. The state of dedifferentiation is evidenced by changes in cell morphology, genome organization, as well as by the capability of protoplasts to differentiate into multiple types of cells. The first change in the genome structure is connected with large-scale chromatin decondensation, affecting chromocenters involving various types of these repetitive sequences. This paper describes not only the de- and re-condensation of repetitive sequences, but it also compares the recondensation level of chromatin with the levels of oxidative stress which were decreased by using an antioxidant. We have demonstrated that the treatment of protoplasts with ascorbic acid not only decreased the level of oxidative stress but also positively stimulated the expression of the ascorbate peroxidase and catalase. It also led to a greater recondensation of the chromatin (when compared to the untreated protoplasts). (en)
Title	Recondensation level of repetitive sequences in the plant protoplast nucleus is limited by oxidative stress Recondensation level of repetitive sequences in the plant protoplast nucleus is limited by oxidative stress (en)
skos:prefLabel	Recondensation level of repetitive sequences in the plant protoplast nucleus is limited by oxidative stress Recondensation level of repetitive sequences in the plant protoplast nucleus is limited by oxidative stress (en)
skos:notation	RIV/61989592:15310/10:10212711!RIV11-MSM-15310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(2E08018), Z(MSM6198959215)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Navrátilová, Božena Ondřej, Vladan Luhová, Lenka Piterková, Jana Protivánková, Iva Sedlářová, Michaela Lebeda, Aleš
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	284206
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/10:10212711
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	protoplasts; oxidative stress; nuclear organization; chromatin (en)
http://linked.open.../riv/klicoveSlovo	nuclear organization chromatin protoplasts oxidative stress
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[8DBDAE9EE3C1]
http://linked.open...i/riv/nazevZdroje	Journal of Experimenal Botany
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Innovative promotion in the media of involvement women to science and research as a factor of knowledge society and equal opportunities intensification, as well as rise of competitive advantage in the case of natural sciences.
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	61
http://linked.open...iv/tvurceVysledku	Lebeda, Aleš Navrátilová, Božena Ondřej, Vladan Sedlářová, Michaela Luhová, Lenka Piterková, Jana Protivánková, Iva
http://linked.open...ain/vavai/riv/wos	000279003600015
http://linked.open...n/vavai/riv/zamer	Variabilita složek a interakcí v rostlinném patosystému a vliv faktorů prostředí na jejich projev
issn	0022-0957
number of pages	7 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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