About: MHC genes and parasitism in Carassius gibelio, a diploid-triploid fish species with dual reproduction strategies

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About: MHC genes and parasitism in Carassius gibelio, a diploid-triploid fish species with dual reproduction strategies Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Background The gibel carp is a fish species with dual reproduction modes, gynogenesis and sexual reproduction, coexisting in mixed diploid-polyploid populations. Following the Red Queen (RQ) assumption, asexual organisms are, due to their low genetic diversity, targets for parasite adaptation. Because MHC polymorphism is maintained by selection from parasites and sexual selection, MHC genes are considered as a suitable candidate for testing the RQ hypothesis. In this study, we investigated MHC variability and the selection pressure acting on MHC genes in sexual diploids and asexual triploids. In addition, we tested whether the asexual form of gibel carp suffers from higher parasite loads than the sexual form. Results At the population level, genotype and allelic diversity of MHC were reduced in gynogenetic triploids when compared to sexual diploids. Different patterns in positively selected sites (PSS) between gynogens and sexual gibel carp were also found. Background The gibel carp is a fish species with dual reproduction modes, gynogenesis and sexual reproduction, coexisting in mixed diploid-polyploid populations. Following the Red Queen (RQ) assumption, asexual organisms are, due to their low genetic diversity, targets for parasite adaptation. Because MHC polymorphism is maintained by selection from parasites and sexual selection, MHC genes are considered as a suitable candidate for testing the RQ hypothesis. In this study, we investigated MHC variability and the selection pressure acting on MHC genes in sexual diploids and asexual triploids. In addition, we tested whether the asexual form of gibel carp suffers from higher parasite loads than the sexual form. Results At the population level, genotype and allelic diversity of MHC were reduced in gynogenetic triploids when compared to sexual diploids. Different patterns in positively selected sites (PSS) between gynogens and sexual gibel carp were also found. (en)
Title	MHC genes and parasitism in Carassius gibelio, a diploid-triploid fish species with dual reproduction strategies MHC genes and parasitism in Carassius gibelio, a diploid-triploid fish species with dual reproduction strategies (en)
skos:prefLabel	MHC genes and parasitism in Carassius gibelio, a diploid-triploid fish species with dual reproduction strategies MHC genes and parasitism in Carassius gibelio, a diploid-triploid fish species with dual reproduction strategies (en)
skos:notation	RIV/00216224:14310/13:00066956!RIV14-GA0-14310___
http://linked.open...avai/predkladatel	Přírodovědecká fakulta
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP505/12/0375)
http://linked.open...iv/cisloPeriodika	JUN 14 2013
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Vetešníková Šimková, Andrea Vyskočilová, Martina Košař, Martin
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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	88112
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/13:00066956
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	gynogenesis; sexual reproduction; polyploid fish; MHC; coexistence; parasitism (en)
http://linked.open.../riv/klicoveSlovo	MHC parasitism sexual reproduction polyploid fish gynogenesis coexistence
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[650DA8AFA634]
http://linked.open...i/riv/nazevZdroje	BMC Evolutionary Biology
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Evolutionary-immunological and ecological aspects of parasitism in hybrid and polyploid cyprinid fish
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Vetešníková Šimková, Andrea Vetešník, Lukáš Mrkvicová, Martina Košař, Martin
http://linked.open...ain/vavai/riv/wos	000320774400001
issn	1471-2148
number of pages	15 (xsd:int)
http://bibframe.org/vocab/doi	10.1186/1471-2148-13-122
http://localhost/t...ganizacniJednotka	14310

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