About: Making it on their own: sperm-dependent hybrid fishes (Cobitis) switch the sexual hosts and expand beyond the ranges of their original sperm donors     Goto   Sponge   Distinct   Permalink

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  • Mezidruhová hybridizace může vést ke vzniku asexuálních hybridních linií, které se rozmnožují partenogeneticky. Vedle partenogenetických forem sensu stricto exitují linie, jež vyžadují sexuálního partnera (gynogeneze, hybridogeneze). Závislost na sexuálním partneru dané linie geograficky svazuje s areálem jeho rozšíření a obvykle se jedná o taxon jednoho z původních rodičovských druhů. Naše studie identifikovala přinejmenším tři klonální linie, které nezávisle změnily sexuální závislost na původně nerodičovské druhy a dokonce inkorporovaly jejich genom. Naše poznání v evropském rodu Cobitis naznačuje, že tento geografické vzor pochází ze schopnosti aktivní expanze gynogenetických linií do nových oblastí. Pozorovaný fenomén tak naznačuje, že sexuálně závislí partenogeni nejsou ve srovnání s pravými partenogeny tak geograficky limitováni, jak se dříve předpokládalo. (cs)
  • Interspecific hybridization may result in asexual hybrid lineages that reproduce via parthenogenesis. Contrary to true parthenogens, sperm-dependent asexuals (gynogens and hybridogens) are restricted to the range of bisexual species, generally the parental taxa, by their need for a sperm donor. We identified at least three clonal lineages that have independently switched their sperm dependency to different non-parental Cobitis species, and in cases incorporated their genomes. Our current knowledge of European Cobitis species and their hybrids suggests that this pattern most probably results from the expansion of gynogenetic lineages into new areas. This suggests that sperm dependence is not as restrictive to geographical expansion when compared with true parthenogenesis as previously thought.
  • Interspecific hybridization may result in asexual hybrid lineages that reproduce via parthenogenesis. Contrary to true parthenogens, sperm-dependent asexuals (gynogens and hybridogens) are restricted to the range of bisexual species, generally the parental taxa, by their need for a sperm donor. We identified at least three clonal lineages that have independently switched their sperm dependency to different non-parental Cobitis species, and in cases incorporated their genomes. Our current knowledge of European Cobitis species and their hybrids suggests that this pattern most probably results from the expansion of gynogenetic lineages into new areas. This suggests that sperm dependence is not as restrictive to geographical expansion when compared with true parthenogenesis as previously thought. (en)
Title
  • Making it on their own: sperm-dependent hybrid fishes (Cobitis) switch the sexual hosts and expand beyond the ranges of their original sperm donors
  • Making it on their own: sperm-dependent hybrid fishes (Cobitis) switch the sexual hosts and expand beyond the ranges of their original sperm donors (en)
  • Pryč od rodičů: asexuální sekavcovité ryby (Cobitis) mění sexuálního hostitele a expandují za hranice areálů původních sexuálních partnerů (cs)
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  • Making it on their own: sperm-dependent hybrid fishes (Cobitis) switch the sexual hosts and expand beyond the ranges of their original sperm donors
  • Making it on their own: sperm-dependent hybrid fishes (Cobitis) switch the sexual hosts and expand beyond the ranges of their original sperm donors (en)
  • Pryč od rodičů: asexuální sekavcovité ryby (Cobitis) mění sexuálního hostitele a expandují za hranice areálů původních sexuálních partnerů (cs)
skos:notation
  • RIV/67985904:_____/08:00310722!RIV09-AV0-67985904
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA206/06/1763), P(GP206/05/P586), P(LC06073), Z(AV0Z50450515)
http://linked.open...iv/cisloPeriodika
  • -
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 377498
http://linked.open...ai/riv/idVysledku
  • RIV/67985904:_____/08:00310722
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • hybridization; gynogenesis; polyploidy (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV
  • [AAF5898FDA95]
http://linked.open...i/riv/nazevZdroje
  • Philosophical Transactions of the Royal Society B - Biological Sciences
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 363
http://linked.open...iv/tvurceVysledku
  • Choleva, Lukáš
  • Janko, Karel
  • Ráb, Petr
  • Apostolou, A.
http://linked.open...ain/vavai/riv/wos
  • 000258026400012
http://linked.open...n/vavai/riv/zamer
issn
  • 0962-8436
number of pages
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