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Description
  • Na živých buňkách byla studována jaderná lokalizace a pohyblivost transgenních lokusů barvených Cy3. Pozorování ukázala výskyt několika kopií transgenů v každém buněčném jádře. Většina kopií byla lokalizována v centrometrickém heterochromatinu definovaném HPlbeta-GFP fúzním proteinem, menšina kopií v euchromatinu. Sledování lokusů prokázalo jejich omezený difúzní pohyb v krátkém časovém rozmezí. Během dlouhodobého sledování HP1beta domén a transgenních lokusů jsme zjistili, že ve většině případů proximita těchto objektů klesá v čase. Změny v pozici HP1 domén byly velmi malé, ale transgenní lokusy vykazovaly pohyb směrem k relevantní HP1 doméně. Naše data podporují myšlenku, že buněčná jádra se skládají z několika oddělených výše organizovaných kompartmentů. Geny se uvnitř těchto kompartmentů přemísťují, což je v konečném důsledku spojeno se změnami jejich exprese. (cs)
  • Intranuclear localization and mobility of Cy3 labelled transgene loci were studied in living cells. Observations showed occurrence of several transgene copies in each cell nucleus. The majority of copies were localized in the centromeric heterochromatin defined by HPlbeta-GFP fusion protein, the minority of copies in euchromatin. The tracking of loci showed restricted diffusive motion of these in the short-time range. During long-time observation of HPlbeta domains and transgene loci, we have found that in most cases the proximity of these objects decreased within time. The changes of positions of HPl domains were very small but transgene loci displayed directional movement towards the relevant HPl domain. Our data records support the idea that the cell nucleus consists of several separated higher-order compartments. The genes relocate within these compartments, which is finally connected with changes of their expression status.
  • Intranuclear localization and mobility of Cy3 labelled transgene loci were studied in living cells. Observations showed occurrence of several transgene copies in each cell nucleus. The majority of copies were localized in the centromeric heterochromatin defined by HPlbeta-GFP fusion protein, the minority of copies in euchromatin. The tracking of loci showed restricted diffusive motion of these in the short-time range. During long-time observation of HPlbeta domains and transgene loci, we have found that in most cases the proximity of these objects decreased within time. The changes of positions of HPl domains were very small but transgene loci displayed directional movement towards the relevant HPl domain. Our data records support the idea that the cell nucleus consists of several separated higher-order compartments. The genes relocate within these compartments, which is finally connected with changes of their expression status. (en)
Title
  • Dynamics of HP1 transgene loci movement and silencing in living cells
  • Dynamics of HP1 transgene loci movement and silencing in living cells (en)
  • Dynamika pohybu a umlčování transgenních lokusů HP1 v živých buňkách (cs)
skos:prefLabel
  • Dynamics of HP1 transgene loci movement and silencing in living cells
  • Dynamics of HP1 transgene loci movement and silencing in living cells (en)
  • Dynamika pohybu a umlčování transgenních lokusů HP1 v živých buňkách (cs)
skos:notation
  • RIV/68081707:_____/04:00108483!RIV/2005/AV0/A17005/N
http://linked.open.../vavai/riv/strany
  • 66;71
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(1A8241), P(GA202/02/0804), P(GA202/04/0907), P(IAA1065203), P(IAA5004306), P(IBS5004010), P(ME 565), Z(AV0Z5004920)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 561487
http://linked.open...ai/riv/idVysledku
  • RIV/68081707:_____/04:00108483
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • silencing in living cells; HP1beta; GFP fusion protein (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [475AF23A583E]
http://linked.open...v/mistoKonaniAkce
  • Brno
http://linked.open...i/riv/mistoVydani
  • Brno
http://linked.open...i/riv/nazevZdroje
  • Biophysics of the Genome: Proceedings of the Workshop Held at Brno
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Kozubek, Stanislav
  • Lukášová, Emilie
  • Ondřej, Vladan
  • Matula, Pa.
  • Kozubek, M.
  • Matula, Pe.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Masarykova univerzita v Brně
https://schema.org/isbn
  • 80-210-3560-9
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