About: Cell Size but Not Genome Size Affects Scaling of Metabolic Rate in Eyelid Geckos

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About: Cell Size but Not Genome Size Affects Scaling of Metabolic Rate in Eyelid Geckos Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The metabolic theory of ecology (MTE) predicts the ubiquity of the of 3/4 scaling exponent relating metabolic rate (MR) to body mass, as well as cell-size invariance coupled with body-size dependence of cellular MR in quickly dividing cells. An alternative prediction is that MR scales interspecifically with a coefficient that is between 2/3 and 1, depending on the cell size and cell MR, which is mostly driven by the cell surface-to-volume ratio. We tested (1) the contribution of cell size to interspecific differences in MR and (2) whether the cell size-MR relationship is mediated by genome size (GS), which usually correlates positively with cell size. We tested (1) and (2) using erythrocyte area as a proxy for cell size in 14 eyelid geckos, which belong to a monophyletic group exhibiting large body-size variation. The scaling of standard MR (SMR) was significantly lower than 3/4, whereas mass-specific SMR correlated with erythrocyte area in both phylogenetically adjusted and conventional analyses. The metabolic theory of ecology (MTE) predicts the ubiquity of the of 3/4 scaling exponent relating metabolic rate (MR) to body mass, as well as cell-size invariance coupled with body-size dependence of cellular MR in quickly dividing cells. An alternative prediction is that MR scales interspecifically with a coefficient that is between 2/3 and 1, depending on the cell size and cell MR, which is mostly driven by the cell surface-to-volume ratio. We tested (1) the contribution of cell size to interspecific differences in MR and (2) whether the cell size-MR relationship is mediated by genome size (GS), which usually correlates positively with cell size. We tested (1) and (2) using erythrocyte area as a proxy for cell size in 14 eyelid geckos, which belong to a monophyletic group exhibiting large body-size variation. The scaling of standard MR (SMR) was significantly lower than 3/4, whereas mass-specific SMR correlated with erythrocyte area in both phylogenetically adjusted and conventional analyses. (en)
Title	Cell Size but Not Genome Size Affects Scaling of Metabolic Rate in Eyelid Geckos Cell Size but Not Genome Size Affects Scaling of Metabolic Rate in Eyelid Geckos (en)
skos:prefLabel	Cell Size but Not Genome Size Affects Scaling of Metabolic Rate in Eyelid Geckos Cell Size but Not Genome Size Affects Scaling of Metabolic Rate in Eyelid Geckos (en)
skos:notation	RIV/00216208:11310/09:10000857!RIV10-MSM-11310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(KJB601110706), Z(MSM0021620828)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Kratochvíl, Lukáš Kubička, Lukáš Starostová, Zuzana
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	Univerzita Karlova v Praze / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	306226
http://linked.open...ai/riv/idVysledku	RIV/00216208:11310/09:10000857
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SMR; interspecific scaling; metabolic theory of ecology; C-value; erythrocyte; Eublepharidae (en)
http://linked.open.../riv/klicoveSlovo	metabolic theory of ecology erythrocyte SMR C-value interspecific scaling Eublepharidae
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[2B9BB049DF76]
http://linked.open...i/riv/nazevZdroje	The American Naturalist
http://linked.open...in/vavai/riv/obor	EG
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Testing the role of cell size variation in body size changes and intra- and interspecific metabolic allometries: phylogenetically informed analysis in geckos
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	174
http://linked.open...iv/tvurceVysledku	Kratochvíl, Lukáš Kubička, Lukáš Starostová, Zuzana Konarzewski, Marek Kozlowski, Jan
http://linked.open...ain/vavai/riv/wos	000268653400004
http://linked.open...n/vavai/riv/zamer	Ekologické procesy v evoluci modelových skupin organismů
issn	0003-0147
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	11310

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