Počet záznamů: 1
Moderate heritability and low evolvability of sperm morphology in a species with high risk of sperm competition, the collared flycatcher Ficedula albicollis
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SYSNO ASEP 0499973 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Moderate heritability and low evolvability of sperm morphology in a species with high risk of sperm competition, the collared flycatcher Ficedula albicollis Tvůrce(i) Edme, A. (CZ)
Zobač, P. (CZ)
Korsten, P. (DE)
Albrecht, Tomáš (UBO-W) RID, SAI, ORCID
Schmoll, T. (DE)
Krist, M. (CZ)Celkový počet autorů 6 Zdroj.dok. Journal of Evolutionary Biology - ISSN 1010-061X
Roč. 32, č. 3 (2019), s. 205-217Poč.str. 13 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova evolvability ; heritability ; phenotypic plasticity ; quantitative genetics ; sexual selection ; sperm competition ; sperm size ; wild population Vědní obor RIV EB - Genetika a molekulární biologie Obor OECD Biology (theoretical, mathematical, thermal, cryobiology, biological rhythm), Evolutionary biology CEP GAP506/12/2472 GA ČR - Grantová agentura ČR Způsob publikování Omezený přístup Institucionální podpora UBO-W - RVO:68081766 UT WOS 000460194800002 EID SCOPUS 85058154660 DOI 10.1111/jeb.13404 Anotace Spermatozoa represent the morphologically most diverse type of animal cells and show remarkable variation in size across and also within species. To understand the evolution of this diversity, it is important to reveal to what degree this variation is genetic or environmental in origin and whether this depends on species’ life histories. Here we applied quantitative genetic methods to a pedigreed multigenerational data set of the collared flycatcher Ficedula albicollis, a passerine bird with high levels of extra‐pair paternity, to partition genetic and environmental sources of phenotypic variation in sperm dimensions for the first time in a natural population. Narrow‐sense heritability (h2) of total sperm length amounted to 0.44 ± 0.14 SE, whereas the corresponding figure for evolvability (estimated as coefficient of additive genetic variation, CVa) was 0.02 ± 0.003 SE. We also found an increase in total sperm length within individual males between the arrival and nestling period. This seasonal variation may reflect constraints in the production of fully elongated spermatozoa shortly after arrival at the breeding grounds. There was no evidence of an effect of male age on sperm dimensions. In many previous studies on laboratory populations of several insect, mammal and avian species, heritabilities of sperm morphology were higher, whereas evolvabilities were similar. Explanations for the differences in heritability may include variation in the environment (laboratory vs. wild), intensity of sexual selection via sperm competition (high vs. low) and genetic architecture that involves unusual linkage disequilibrium coupled with overdominance in one of the studied species. Pracoviště Ústav biologie obratlovců Kontakt Hana Slabáková, slabakova@ivb.cz, Tel.: 543 422 524 Rok sběru 2020 Elektronická adresa http://dx.doi.org/10.1111/jeb.13404
Počet záznamů: 1