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Repeatability and heritability of resting metabolic rate in a long-lived amphibian

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216224%3A14310%2F21%3A00120947" target="_blank" >RIV/00216224:14310/21:00120947 - isvavai.cz</a>

  • Alternative codes found

    RIV/68081766:_____/21:00536000

  • Result on the web

    <a href="https://doi.org/10.1016/j.cbpa.2020.110858" target="_blank" >https://doi.org/10.1016/j.cbpa.2020.110858</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.cbpa.2020.110858" target="_blank" >10.1016/j.cbpa.2020.110858</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Repeatability and heritability of resting metabolic rate in a long-lived amphibian

  • Original language description

    Resting metabolic rate (RMR), i.e. spent energy necessary to maintain basic life functions, is a basic component of energy budget in ectotherms. The evolution of RMR through natural selection rests on the premise of its non-zero repeatability and heritability, i.e. consistent variation within individual lifetimes and resemblance between parents and their offspring, respectively. Joint estimates of RMR repeatability and heritability are missing in ectotherms, however, which precludes estimations of the evolutionary potential of this trait. We examined RMR repeatability and heritability in a long-lived ectotherm, the alpine newt (Ichthyosaura alpestris). Individual RMR was repeatable over both six-month (0.28 ± 0.09 [SE]) and five-year (0.16 ± 0.07) periods. While there was no resemblance between parent and offspring RMR (0.21 ± 0.34), the trait showed similarity among offspring within families (broad-sense heritability; 0.25 ± 0.09). Similar repeatability and broad-sense heritability values in parental and offspring generations, respectively, and non-conclusive narrow-sense heritability suggest the contribution of non-additive genetic factors to total phenotypic variance in this trait. We conclude that RMR evolutionary trajectories are shaped by other processes than natural selection in this long-lived ectotherm.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10613 - Zoology

Result continuities

  • Project

  • Continuities

    S - Specificky vyzkum na vysokych skolach<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Comparative Biochemistry and Physiology A - Molecular & Integrative Physiology

  • ISSN

    1095-6433

  • e-ISSN

  • Volume of the periodical

    253

  • Issue of the periodical within the volume

    March

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    8

  • Pages from-to

    „110858“

  • UT code for WoS article

    000615292300010

  • EID of the result in the Scopus database

    2-s2.0-85097341999