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| rdf:type
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| Description
| - Jestřábníky Hieracium subg. Pilosella jsou taxonomicky extrémně složitou skupinou, protože kombinují apomixi s rozsáhlou hybridizací. Studie presentuje multidisciplinární přístup, kombinující DNA fingerprinting, analýzu chloroplastové DNA s morfologickým taxonomickým přístupem, kultivací, experimentálním křížením, analýzami ploidní úrovně a studiem rozmnožování. Některé druhy z hybridogenního komplexu byly detailně studovány na úrovních klon, populace a druh. U apomiktických druhů byly nalezeny různé hladiny variability, které jsou ve vztahu k jejich různému stáří: od jejich jednolitosti až k velké variabilitě uvnitř jedné populace. Chloroplastové haplotypy tvoří dvě hlavní skupiny a často indikuji jednosměrný přenos cpDNA navzdory vícenásobnému původu apomiktických druhů. Navíc často je apomiktický druh a ne sexuální mateřskou rostlinou řady hybridogenních druhů. Residuální sexualita apomiktů tak hraje větší roli při speciaci než se dosud předpokládalo. (cs)
- Hieracium subgenus Pilosella is an extremely difficult group taxonomically, as it combines apomixis with extensive hybridisation. The study presents a multidisciplinary approach combining DNA fingerprinting and the analysis of chloroplast DNA with morphological-taxonomic studies, cultivation, experimental hybridisation, analysis of ploidy level and mode of reproduction. Several species of a hybridogenous complex were studied in detail at clone, population and species level. Different levels of variability were found in apomictic species that were related to different ages: from near uniformity to variability within the locality. Chloroplast haplotypes formed two major groups and often indicated unidirectional transmission of cpDNA, despite multiple origins of most apomicts. Moreover, often the facultative apomict rather than the sexual species acted as seed parent. Thus, the residual sexuality of the apomicts plays a larger role in the speciation of this group than assumed.
- Hieracium subgenus Pilosella is an extremely difficult group taxonomically, as it combines apomixis with extensive hybridisation. The study presents a multidisciplinary approach combining DNA fingerprinting and the analysis of chloroplast DNA with morphological-taxonomic studies, cultivation, experimental hybridisation, analysis of ploidy level and mode of reproduction. Several species of a hybridogenous complex were studied in detail at clone, population and species level. Different levels of variability were found in apomictic species that were related to different ages: from near uniformity to variability within the locality. Chloroplast haplotypes formed two major groups and often indicated unidirectional transmission of cpDNA, despite multiple origins of most apomicts. Moreover, often the facultative apomict rather than the sexual species acted as seed parent. Thus, the residual sexuality of the apomicts plays a larger role in the speciation of this group than assumed. (en)
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| Title
| - Evolution, hybridisation, and clonal distribution of apo- and amphimictic species of Hieracium subgen. Pilosella (Asteraceae, Lactuceae) in a Central European mountain range
- Evoluce, hybridizace a klonální distribuce apo- a amfimiktických druhů rodu Hieracium subgen. Pilosella (Asteraceae, Lactuceae) ve středoevropských pohořích (cs)
- Evolution, hybridisation, and clonal distribution of apo- and amphimictic species of Hieracium subgen. Pilosella (Asteraceae, Lactuceae) in a Central European mountain range (en)
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| skos:prefLabel
| - Evolution, hybridisation, and clonal distribution of apo- and amphimictic species of Hieracium subgen. Pilosella (Asteraceae, Lactuceae) in a Central European mountain range
- Evoluce, hybridizace a klonální distribuce apo- a amfimiktických druhů rodu Hieracium subgen. Pilosella (Asteraceae, Lactuceae) ve středoevropských pohořích (cs)
- Evolution, hybridisation, and clonal distribution of apo- and amphimictic species of Hieracium subgen. Pilosella (Asteraceae, Lactuceae) in a Central European mountain range (en)
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| skos:notation
| - RIV/67985939:_____/05:00030447!RIV06-AV0-67985939
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| http://linked.open.../vavai/riv/strany
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(IAA6005203), Z(AV0Z60050516)
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/67985939:_____/05:00030447
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - apomixis; Hieracium; hybridization (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/mistoVydani
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| http://linked.open...i/riv/nazevZdroje
| - Plant species-level systematics: new perspectives on pattern & process
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
| |
| http://linked.open...cetTvurcuVysledku
| |
| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
| |
| http://linked.open...iv/tvurceVysledku
| - Chrtek, Jindřich
- Krahulec, František
- Krahulcová, Anna
- Fehrer, Judith
- Bräutigam, S.
- Šimek, R.
- Bräutigam, E.
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| http://linked.open...n/vavai/riv/zamer
| |
| number of pages
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| http://purl.org/ne...btex#hasPublisher
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| https://schema.org/isbn
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