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Genomic and gene expression associations to morphology of a sexual ornament in the chicken

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F22%3A00559730" target="_blank" >RIV/60077344:_____/22:00559730 - isvavai.cz</a>

  • Result on the web

    <a href="https://academic.oup.com/g3journal/article-pdf/12/9/jkac174/45515660/jkac174.pdf" target="_blank" >https://academic.oup.com/g3journal/article-pdf/12/9/jkac174/45515660/jkac174.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1093/g3journal/jkac174" target="_blank" >10.1093/g3journal/jkac174</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Genomic and gene expression associations to morphology of a sexual ornament in the chicken

  • Original language description

    How sexual selection affects the genome ultimately relies on the strength and type of selection, and the genetic architecture of the involved traits. While associating genotype with phenotype often utilizes standard trait morphology, trait representations in morphospace using geometric morphometric approaches receive less focus in this regard. Here, we identify genetic associations to a sexual ornament, the comb, in the chicken system (Gallus gallus). Our approach combined genome-wide genotype and gene expression data (>30k genes) with different aspects of comb morphology in an advanced intercross line (F8) generated by crossing a wild-type Red Junglefowl with a domestic breed of chicken (White Leghorn). In total, 10 quantitative trait loci were found associated to various aspects of comb shape and size, while 1,184 expression QTL were found associated to gene expression patterns, among which 98 had overlapping confidence intervals with those of quantitative trait loci. Our results highlight both known genomic regions confirming previous records of a large effect quantitative trait loci associated to comb size, and novel quantitative trait loci associated to comb shape. Genes were considered candidates affecting comb morphology if they were found within both confidence intervals of the underlying quantitative trait loci and eQTL. Overlaps between quantitative trait loci and genome-wide selective sweeps identified in a previous study revealed that only loci associated to comb size may be experiencing on-going selection under domestication.

  • 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

    10603 - Genetics and heredity (medical genetics to be 3)

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    G3-Genes, Genomes, Genetics

  • ISSN

    2160-1836

  • e-ISSN

    2160-1836

  • Volume of the periodical

    12

  • Issue of the periodical within the volume

    9

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

    jkac174

  • UT code for WoS article

    000828783500001

  • EID of the result in the Scopus database

    2-s2.0-85137138448