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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. (en)
Title
  • Metabolic costs of hybridization in newts
  • Metabolic costs of hybridization in newts (en)
skos:prefLabel
  • Metabolic costs of hybridization in newts
  • Metabolic costs of hybridization in newts (en)
skos:notation
  • RIV/68081766:_____/12:00383936!RIV13-GA0-68081766
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • I, P(GAP506/10/2170), P(LC06073)
http://linked.open...iv/cisloPeriodika
  • 3-4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
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  • 149598
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  • RIV/68081766:_____/12:00383936
http://linked.open...riv/jazykVysledku
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  • oxygen consumption; energetic metabolism; hybrids; Triturus; amphibians; mitonuclear interactions; reproductive barriers (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • CZ - Česká republika
http://linked.open...ontrolniKodProRIV
  • [EAB0A944BD83]
http://linked.open...i/riv/nazevZdroje
  • Folia zoologica
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
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http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 61
http://linked.open...iv/tvurceVysledku
  • Gvoždík, Lumír
http://linked.open...ain/vavai/riv/wos
  • 000313606500002
issn
  • 0139-7893
number of pages
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