About: Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales

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About: Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	n the present study, it has been demonstrated that Knautia arvensis is an intriguing taxon that shows variation in both genome copy number and monoploid genome size. Diploid and tetraploid cytotypes exhibit spatial segregation at all the geographical scales examined, including the Central European portion of the distribution range, the zone of ploidy overlap, the mixed-ploidy populations, and the selected mixed-ploidy plots within such populations. Distributional and phenotypic data support the existence of both primary and sec- ondary zones of cytotype contact. Irrespective of taxonomic afﬁnity, ploidy level seems to be the major determinant of the strength of interploidy reproductive isolation. In addition, our study also highlights the importance of involving different ontogenetic stages when assessing evolutionary processes in mixed-ploidy populations. n the present study, it has been demonstrated that Knautia arvensis is an intriguing taxon that shows variation in both genome copy number and monoploid genome size. Diploid and tetraploid cytotypes exhibit spatial segregation at all the geographical scales examined, including the Central European portion of the distribution range, the zone of ploidy overlap, the mixed-ploidy populations, and the selected mixed-ploidy plots within such populations. Distributional and phenotypic data support the existence of both primary and sec- ondary zones of cytotype contact. Irrespective of taxonomic afﬁnity, ploidy level seems to be the major determinant of the strength of interploidy reproductive isolation. In addition, our study also highlights the importance of involving different ontogenetic stages when assessing evolutionary processes in mixed-ploidy populations. (en)
Title	Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales (en)
skos:prefLabel	Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales (en)
skos:notation	RIV/67985939:_____/09:00326704!RIV10-AV0-67985939
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(KJB601110627), S, Z(AV0Z60050516), Z(MSM0021620828), Z(MSM6007665801)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Vít, Petr Suda, Jan Urfus, Tomáš Trávníček, Pavel Rauchová, Jana Lučanová, Magdalena
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	346580
http://linked.open...ai/riv/idVysledku	RIV/67985939:_____/09:00326704
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Knautia arvensis; polyploidy; ploidy mixture (en)
http://linked.open.../riv/klicoveSlovo	polyploidy Knautia arvensis ploidy mixture
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[8DD97E987B97]
http://linked.open...i/riv/nazevZdroje	Annals of Botany
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Evolutionary history of relict serpentine populations of Knautia arvensis s.l. (Dipsacaceae) in Central Europe
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	103
http://linked.open...iv/tvurceVysledku	Suda, Jan Trávníček, Pavel Urfus, Tomáš Vít, Petr Rauchová, Jana Štech, M. Kolář, F. Kubešová, Magdalena
http://linked.open...ain/vavai/riv/wos	000264387600014
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 Ekologické procesy v evoluci modelových skupin organismů EKOLOGICKÉ, EVOLUČNÍ A EXPERIMENTÁLNĚ BIOLOGICKÉ PŘÍSTUPY KE STUDIU VZNIKU A VÝZNAMU BIODIVERZITY
issn	0305-7364
number of pages	12 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales Towards resolving the Knautia arvensis agg. (Dipsacaceae) puzzle: primary and secondary contact zones and ploidy segregation at landscape and microgeographic scales

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