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Statements

Subject Item
n2:RIV%2F68081766%3A_____%2F07%3A00079182%21RIV07-AV0-68081766
rdf:type
skos:Concept n11:Vysledek
dcterms:description
Coevolutionary dynamics between European bitterling fish, Rhodeus amarus, and freshwater unionid mussels, which bitterling parasitize by laying eggs on their gills, were experimentally tested. In a series of experiments, fish preference and mussel responses in parasites and hosts of recent (Europe) and ancient (Asia) sympatry were compared. R. amarus readily oviposited into all mussel species tested. However, fish that laid their eggs on the gills of Asian Anodonta woodiana suffered a dramatic reduction in reproductive success compared to fish that oviposited on the gills of the European Unio pictorum, U. tumidus, Anodonta anatina, and A. cygnea. This difference was the result of egg ejection behaviour by mussels rather than the suitability of internal gill environment for bitterling embryo development. The data support a coevolutionary arm race between bitterling and mussels and point to an evolutionary lag in the relationship between R. amarus and its European hosts. Coevolutionary dynamics between European bitterling fish, Rhodeus amarus, and freshwater unionid mussels, which bitterling parasitize by laying eggs on their gills, were experimentally tested. In a series of experiments, fish preference and mussel responses in parasites and hosts of recent (Europe) and ancient (Asia) sympatry were compared. R. amarus readily oviposited into all mussel species tested. However, fish that laid their eggs on the gills of Asian Anodonta woodiana suffered a dramatic reduction in reproductive success compared to fish that oviposited on the gills of the European Unio pictorum, U. tumidus, Anodonta anatina, and A. cygnea. This difference was the result of egg ejection behaviour by mussels rather than the suitability of internal gill environment for bitterling embryo development. The data support a coevolutionary arm race between bitterling and mussels and point to an evolutionary lag in the relationship between R. amarus and its European hosts. Studovali jsme koevoluční dynamiku vztahu mezi hořavkou duhovou (Rhodeus amarus) a jejími hostiteli, sladkovodními mlži. Experimentálním přístupem jsme zjistili, že hořavky v Evropě využívají evolučně naivní hostitele, kteří se ještě neumí bránit pomocí vyhazovacího chování. Oproti tomu v Asii, kde hořavky a mlži žijí sympatricky po několik milionů let, jsou obranné mechanismy mlžů dobře vyvinuty.
dcterms:title
A possible evolutionary lag in the relationship between freshwater mussels and European bitterling A possible evolutionary lag in the relationship between freshwater mussels and European bitterling Evoluční zpoždění ve vztahu mezi hostitelskými mlži a hořavkou duhovou
skos:prefLabel
Evoluční zpoždění ve vztahu mezi hostitelskými mlži a hořavkou duhovou A possible evolutionary lag in the relationship between freshwater mussels and European bitterling A possible evolutionary lag in the relationship between freshwater mussels and European bitterling
skos:notation
RIV/68081766:_____/07:00079182!RIV07-AV0-68081766
n3:strany
709;725
n3:aktivita
n13:Z n13:P
n3:aktivity
P(KJB600930501), Z(AV0Z60930519)
n3:cisloPeriodika
3
n3:dodaniDat
n8:2007
n3:domaciTvurceVysledku
n9:9466703
n3:druhVysledku
n16:J
n3:duvernostUdaju
n10:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
408106
n3:idVysledku
RIV/68081766:_____/07:00079182
n3:jazykVysledku
n18:eng
n3:klicovaSlova
coevolution; oviposition choice; host ejection
n3:klicoveSlovo
n4:oviposition%20choice n4:coevolution n4:host%20ejection
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[5E9CB96EAF47]
n3:nazevZdroje
Journal of Fish Biology
n3:obor
n7:EH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
5
n3:projekt
n17:KJB600930501
n3:rokUplatneniVysledku
n8:2007
n3:svazekPeriodika
70
n3:tvurceVysledku
Reichard, Martin Smith, C. Kaniewska, P. Liu, H. Przybylski, M.
n3:zamer
n14:AV0Z60930519
s:issn
0022-1112
s:numberOfPages
17