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Statements

Subject Item
n2:RIV%2F68081766%3A_____%2F12%3A00383936%21RIV13-GA0-68081766
rdf:type
n9:Vysledek skos:Concept
dcterms:description
Heterospecific hybrids often suffer from a lowered fitness relative to parental species. Contextdependent intrinsic costs of hybridization are partially due to a malfunction in cell biochemical machinery that affects metabolic rates at the organismal level. This study examines whether heterospecific hybridization influences the metabolic costs of maintenance in F1 hybrids between closely related newts, Triturus carnifex and T. dobrogicus. When controlled for body size, oxygen consumption in hybrid newts was 59–76 % higher than in the parental species. This suggests that high standard metabolic rates in hybrids may contribute to the costs of hybridization in newts. Heterospecific hybrids often suffer from a lowered fitness relative to parental species. Contextdependent intrinsic costs of hybridization are partially due to a malfunction in cell biochemical machinery that affects metabolic rates at the organismal level. This study examines whether heterospecific hybridization influences the metabolic costs of maintenance in F1 hybrids between closely related newts, Triturus carnifex and T. dobrogicus. When controlled for body size, oxygen consumption in hybrid newts was 59–76 % higher than in the parental species. This suggests that high standard metabolic rates in hybrids may contribute to the costs of hybridization in newts.
dcterms:title
Metabolic costs of hybridization in newts Metabolic costs of hybridization in newts
skos:prefLabel
Metabolic costs of hybridization in newts Metabolic costs of hybridization in newts
skos:notation
RIV/68081766:_____/12:00383936!RIV13-GA0-68081766
n9:predkladatel
n10:ico%3A68081766
n3:aktivita
n12:P n12:I
n3:aktivity
I, P(GAP506/10/2170), P(LC06073)
n3:cisloPeriodika
3-4
n3:dodaniDat
n8:2013
n3:domaciTvurceVysledku
n11:4672526
n3:druhVysledku
n13:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
149598
n3:idVysledku
RIV/68081766:_____/12:00383936
n3:jazykVysledku
n16:eng
n3:klicovaSlova
oxygen consumption; energetic metabolism; hybrids; Triturus; amphibians; mitonuclear interactions; reproductive barriers
n3:klicoveSlovo
n7:amphibians n7:oxygen%20consumption n7:energetic%20metabolism n7:reproductive%20barriers n7:mitonuclear%20interactions n7:Triturus n7:hybrids
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[EAB0A944BD83]
n3:nazevZdroje
Folia zoologica
n3:obor
n14:EG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
1
n3:projekt
n4:GAP506%2F10%2F2170 n4:LC06073
n3:rokUplatneniVysledku
n8:2012
n3:svazekPeriodika
61
n3:tvurceVysledku
Gvoždík, Lumír
n3:wos
000313606500002
s:issn
0139-7893
s:numberOfPages
5