About: Genome size and GC content evolution of Festuca: Ancestral expansion and subsequent reduction

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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	Background and Aims: Plant evolution is well known to be frequently associated with remarkable changes in genome size and composition; however, the knowledge of long-term evolutionary dynamics of these processes still remains very limited. Here a study is made of the fine dynamics of quantitative genome evolution in Festuca (fescue), the largest genus in Poaceae (grasses). Methods: Using flow cytometry (PI, DAPI), measurements were made of DNA content (2C-value), monoploid genome size (Cx-value), average chromosome size (C/n-value) and cytosine + guanine (GC) content of 101 Festuca taxa and 14 of their close relatives. The results were compared with the existing phylogeny based on ITS and trnL-F sequences. Key Results: The divergence of the fescue lineage from related Poeae was predated by about a 2-fold monoploid genome and chromosome size enlargement, and apparent GC content enrichment. Background and Aims: Plant evolution is well known to be frequently associated with remarkable changes in genome size and composition; however, the knowledge of long-term evolutionary dynamics of these processes still remains very limited. Here a study is made of the fine dynamics of quantitative genome evolution in Festuca (fescue), the largest genus in Poaceae (grasses). Methods: Using flow cytometry (PI, DAPI), measurements were made of DNA content (2C-value), monoploid genome size (Cx-value), average chromosome size (C/n-value) and cytosine + guanine (GC) content of 101 Festuca taxa and 14 of their close relatives. The results were compared with the existing phylogeny based on ITS and trnL-F sequences. Key Results: The divergence of the fescue lineage from related Poeae was predated by about a 2-fold monoploid genome and chromosome size enlargement, and apparent GC content enrichment. (en)
Title	Genome size and GC content evolution of Festuca: Ancestral expansion and subsequent reduction Genome size and GC content evolution of Festuca: Ancestral expansion and subsequent reduction (en)
skos:prefLabel	Genome size and GC content evolution of Festuca: Ancestral expansion and subsequent reduction Genome size and GC content evolution of Festuca: Ancestral expansion and subsequent reduction (en)
skos:notation	RIV/00216224:14310/08:00024152!RIV10-MSM-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA6163303), P(LC06073), Z(MSM0021622416)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Šmarda, Petr Bureš, Petr Horová, Lucie
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 / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	369167
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/08:00024152
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Festuca; fescue; grasses; genome size evolution; chromosome size; base composition; GC content; polyploidy; phylogeny; retrotransposon dynamics; flow cytometry (en)
http://linked.open.../riv/klicoveSlovo	grasses genome size evolution flow cytometry phylogeny polyploidy GC content base composition Festuca retrotransposon dynamics chromosome size fescue
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[481375211FA1]
http://linked.open...i/riv/nazevZdroje	Annals of Botany
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Biodiversity Research Center Vegetation diversity along a continentality gradient in southern Siberia: a key to understanding Early Postglacial history of Central Europe
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	101
http://linked.open...iv/tvurceVysledku	Bureš, Petr Šmarda, Petr Horová, Lucie Foggi, Bruno Rossi, Graziano
http://linked.open...ain/vavai/riv/wos	000253582900009
http://linked.open...n/vavai/riv/zamer	Diversity of Biotic Communities and Populations: Causal Analysis of variation in space and time
issn	0305-7364
number of pages	13 (xsd:int)
http://localhost/t...ganizacniJednotka	14310
is http://linked.open...avai/riv/vysledek of	Genome size and GC content evolution of Festuca: Ancestral expansion and subsequent reduction Genome size and GC content evolution of Festuca: Ancestral expansion and subsequent reduction Genome size and GC content evolution of Festuca: Ancestral expansion and subsequent reduction Genome size and GC content evolution of Festuca: Ancestral expansion and subsequent reduction

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