About: Molecular evidence for a natural primary triple hybrid in plants revealed from direct sequencing

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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	The origin of a sterile plant clone showing a combination of diagnostic morphological features of three separate Potamogeton species was investigated. The combination of sequences from maternally inherited cytoplasmic and biparentally inherited nuclear ribosomal DNA was used to identify the exact identity of the putative triple hybrid. Direct sequencing showed ITS variants of three parental taxa, P. gramineus, P. lucens and P. perfoliatus, whereas chloroplast DNA identified P. perfoliatus as the female parent. A scenario for the rise of the triple hybrid through a fertile binary hybrid P. gramineus x P. lucens crossed with P. perfoliatus is described. Even though the triple hybrid is sterile, it possesses an efficient strategy for its existence and became locally successful even in the parental environment, perhaps as a result of heterosis. The population investigated is the only one known of this hybrid, P. x torssanderi, worldwide. The origin of a sterile plant clone showing a combination of diagnostic morphological features of three separate Potamogeton species was investigated. The combination of sequences from maternally inherited cytoplasmic and biparentally inherited nuclear ribosomal DNA was used to identify the exact identity of the putative triple hybrid. Direct sequencing showed ITS variants of three parental taxa, P. gramineus, P. lucens and P. perfoliatus, whereas chloroplast DNA identified P. perfoliatus as the female parent. A scenario for the rise of the triple hybrid through a fertile binary hybrid P. gramineus x P. lucens crossed with P. perfoliatus is described. Even though the triple hybrid is sterile, it possesses an efficient strategy for its existence and became locally successful even in the parental environment, perhaps as a result of heterosis. The population investigated is the only one known of this hybrid, P. x torssanderi, worldwide. (en) Práce přináší první důkaz o existenci spontánních trojnásobných kříženců v přírodě provedený pomocí přímé analýzy DNA. Dále popisuje proces vzniku konkrétního trojnásobného sterilního hybrida prostřednictvím oplození neredukované gamety fertilního mezidruhového hybrida redukovanou gametou třetího druhu. (cs)
Title	Molecular evidence for a natural primary triple hybrid in plants revealed from direct sequencing Molecular evidence for a natural primary triple hybrid in plants revealed from direct sequencing (en) Molekulární důkaz pro existenci přirozeného trojnásobného křížence (cs)
skos:prefLabel	Molecular evidence for a natural primary triple hybrid in plants revealed from direct sequencing Molecular evidence for a natural primary triple hybrid in plants revealed from direct sequencing (en) Molekulární důkaz pro existenci přirozeného trojnásobného křížence (cs)
skos:notation	RIV/67985939:_____/07:00090960!RIV08-AV0-67985939
http://linked.open.../vavai/riv/strany	1213;1222
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/06/0593), P(GP206/03/P156), Z(AV0Z60050516)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2008
http://linked.open...aciTvurceVysledku	Fehrer, Judith Kaplan, Zdeněk
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	434853
http://linked.open...ai/riv/idVysledku	RIV/67985939:_____/07:00090960
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	triple hybrid; interspecific hybridization; reproductive isolation (en)
http://linked.open.../riv/klicoveSlovo	reproductive isolation triple hybrid interspecific hybridization
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[262F67FCBF35]
http://linked.open...i/riv/nazevZdroje	Annals of Botany
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Taxonomic mysteries in Potamogetonaceae: a monograph of little-known taxonomic groups A role of hybrids and hybridization in natural populations of Potamogeton
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	99
http://linked.open...iv/tvurceVysledku	Kaplan, Zdeněk Fehrer, Judith
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	0305-7364
number of pages	10 (xsd:int)

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