About: Loading of the centromeric histone H3 variant during meiosis-how does it differ from mitosis?

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About: Loading of the centromeric histone H3 variant during meiosis-how does it differ from mitosis? 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
rdfs:seeAlso	http://www.ncbi.nlm.nih.gov/pubmed/24806806
Description	In eukaryotic phyla studied so far, the essential centromeric histone H3 variant (CENH3) is loaded to centromeric nucleosomes after S-phase (except for yeast) but before mitotic segregation (except for metazoan). While the C-terminal part of CENH3 seems to be sufficient for mitotic centromere function in plants, meiotic centromeres neither load nor tolerate impaired CENH3 molecules. However, details about CENH3 deposition in meiocytes are unknown (except for Drosophila). Therefore, we quantified fluorescence signals after the immunostaining of CENH3 along meiotic and mitotic nuclear division cycles of rye, a monocotyledonous plant. One peak of fluorescence intensity appeared in the early meiotic prophase of pollen mother cells and a second one during interkinesis, both followed by a decrease of CENH3. Then, the next loading occurred in the male gametophyte before its first mitotic division. These data indicate that CENH3 loading differs between mitotic and meiotic nuclei. In eukaryotic phyla studied so far, the essential centromeric histone H3 variant (CENH3) is loaded to centromeric nucleosomes after S-phase (except for yeast) but before mitotic segregation (except for metazoan). While the C-terminal part of CENH3 seems to be sufficient for mitotic centromere function in plants, meiotic centromeres neither load nor tolerate impaired CENH3 molecules. However, details about CENH3 deposition in meiocytes are unknown (except for Drosophila). Therefore, we quantified fluorescence signals after the immunostaining of CENH3 along meiotic and mitotic nuclear division cycles of rye, a monocotyledonous plant. One peak of fluorescence intensity appeared in the early meiotic prophase of pollen mother cells and a second one during interkinesis, both followed by a decrease of CENH3. Then, the next loading occurred in the male gametophyte before its first mitotic division. These data indicate that CENH3 loading differs between mitotic and meiotic nuclei. (en)
Title	Loading of the centromeric histone H3 variant during meiosis-how does it differ from mitosis? Loading of the centromeric histone H3 variant during meiosis-how does it differ from mitosis? (en)
skos:prefLabel	Loading of the centromeric histone H3 variant during meiosis-how does it differ from mitosis? Loading of the centromeric histone H3 variant during meiosis-how does it differ from mitosis? (en)
skos:notation	RIV/00216224:14740/14:00077480!RIV15-MSM-14740___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(EE2.3.20.0189)
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Schubert, Ingo
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	Masarykova univerzita / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	26428
http://linked.open...ai/riv/idVysledku	RIV/00216224:14740/14:00077480
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CELL-CYCLE PROGRESSION; CENP-A; CHROMOSOME; DYNAMICS; HETEROCHROMATIN; SEGREGATION; REQUIRES; PLANTS (en)
http://linked.open.../riv/klicoveSlovo	REQUIRES PLANTS HETEROCHROMATIN CHROMOSOME SEGREGATION DYNAMICS CENP-A CELL-CYCLE PROGRESSION
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[AD673409B37C]
http://linked.open...i/riv/nazevZdroje	Chromosoma
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of excellence in evolutionary cytogenomics, epigenetics and cell signalling
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	123
http://linked.open...iv/tvurceVysledku	Schubert, Ingo Lermontova, Inna Schubert, Vei
http://linked.open...ain/vavai/riv/wos	000342465800008
issn	0009-5915
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s00412-014-0466-9
http://localhost/t...ganizacniJednotka	14740

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