About: Genome size discriminates between closely related taxa Elytrigia repens and E. intermedia (Poaceae: Triticeae) and their hybrid

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About: Genome size discriminates between closely related taxa Elytrigia repens and E. intermedia (Poaceae: Triticeae) and their hybrid 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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Flow cytometric and karyological investigations were performed on closely related taxa Elytrigia repens and E. intermedia (Poaceae: Triticeae) from the Czech Republic. DNA-hexaploids clearly prevailed among 238 examined plants and amounted to 96.2% of all samples. 2C-values SD for hexaploid Elytrigia repens and E. intermedia were estimated to 23.27 0.20 pg and 27.04 0.24 pg, respectively. Genome size thus allowed reliable separation of both species (difference ca 16%) as well as the discrimination of hybrid individuals. Natural hybridisation in E. repens – intermedia alliance seems to be quite a common phenomenon as indicated from a large proportion (one sixth) of hexaploid samples with intermediate 2C-values. Previously, the crosses were most probably neglected or misidentified due to their weak morphological differentiation. New nonaploid cytotypes (2n=9x=63) were revealed for both species as well as for the hybrids (determined on the basis of morphological characters), representing the first ... Flow cytometric and karyological investigations were performed on closely related taxa Elytrigia repens and E. intermedia (Poaceae: Triticeae) from the Czech Republic. DNA-hexaploids clearly prevailed among 238 examined plants and amounted to 96.2% of all samples. 2C-values SD for hexaploid Elytrigia repens and E. intermedia were estimated to 23.27 0.20 pg and 27.04 0.24 pg, respectively. Genome size thus allowed reliable separation of both species (difference ca 16%) as well as the discrimination of hybrid individuals. Natural hybridisation in E. repens – intermedia alliance seems to be quite a common phenomenon as indicated from a large proportion (one sixth) of hexaploid samples with intermediate 2C-values. Previously, the crosses were most probably neglected or misidentified due to their weak morphological differentiation. New nonaploid cytotypes (2n=9x=63) were revealed for both species as well as for the hybrids (determined on the basis of morphological characters), representing the first ... (en)
Title	Genome size discriminates between closely related taxa Elytrigia repens and E. intermedia (Poaceae: Triticeae) and their hybrid Genome size discriminates between closely related taxa Elytrigia repens and E. intermedia (Poaceae: Triticeae) and their hybrid (en)
skos:prefLabel	Genome size discriminates between closely related taxa Elytrigia repens and E. intermedia (Poaceae: Triticeae) and their hybrid Genome size discriminates between closely related taxa Elytrigia repens and E. intermedia (Poaceae: Triticeae) and their hybrid (en)
skos:notation	RIV/67985939:_____/05:00025628!RIV10-AV0-67985939
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/05/0778), P(GD206/03/H137), Z(AV0Z60050516)
http://linked.open...iv/cisloPeriodika	-
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Suda, Jan Jarolímová, Vlasta Trávníček, Pavel Krahulec, František Mahelka, Václav
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	Botanický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	522602
http://linked.open...ai/riv/idVysledku	RIV/67985939:_____/05:00025628
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	C-value; chromosome number; hybridisation (en)
http://linked.open.../riv/klicoveSlovo	hybridisation C-value chromosome number
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[D9DF731B5114]
http://linked.open...i/riv/nazevZdroje	Folia Geobotanica
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Local adaptations in plant populations: its mechanisms and importance in dynamically changing landscape Hybridisation within the wheat (Triticum aestivum)-Elytrigia intermedia-E. repens species complex: a probable case of crop - wild relative gene flow
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	40
http://linked.open...iv/tvurceVysledku	Krahulec, František Suda, Jan Trávníček, Pavel Jarolímová, Vlasta Mahelka, Václav
http://linked.open...ain/vavai/riv/wos	000233038100005
http://linked.open...n/vavai/riv/zamer	Struktura, funkce a evoluce biodiversity fotoautotrofních organismů a hub: původ a příčiny jejich proměnlivosti, dynamika populací, společenstev a ekosystémů; využití vybraných výsledků k rozvoji Průhonického parku
issn	1211-9520
number of pages	18 (xsd:int)

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