Sex-biased gene content is associated with sex chromosome turnover in Danaini butterflies
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F24%3A00587289" target="_blank" >RIV/60077344:_____/24:00587289 - isvavai.cz</a>
Alternative codes found
RIV/60076658:12310/24:43908499
Result on the web
<a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/mec.17256" target="_blank" >https://onlinelibrary.wiley.com/doi/epdf/10.1111/mec.17256</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1111/mec.17256" target="_blank" >10.1111/mec.17256</a>
Alternative languages
Result language
angličtina
Original language name
Sex-biased gene content is associated with sex chromosome turnover in Danaini butterflies
Original language description
Sex chromosomes play an outsized role in adaptation and speciation, and thus deserve particular attention in evolutionary genomics. In particular, fusions between sex chromosomes and autosomes can produce neo-sex chromosomes, which offer important insights into the evolutionary dynamics of sex chromosomes. Here, we investigate the evolutionary origin of the previously reported Danaus neo-sex chromosome within the tribe Danaini. We assembled and annotated genomes of Tirumala septentrionis (subtribe Danaina), Ideopsis similis (Amaurina), Idea leuconoe (Euploeina) and Lycorea halia (Itunina) and identified their Z-linked scaffolds. We found that the Danaus neo-sex chromosome resulting from the fusion between a Z chromosome and an autosome corresponding to the Melitaea cinxia chromosome (McChr) 21 arose in a common ancestor of Danaina, Amaurina and Euploina. We also identified two additional fusions as the W chromosome further fused with the synteny block McChr31 in I. similis and independent fusion occurred between ancestral Z chromosome and McChr12 in L. halia. We further tested a possible role of sexually antagonistic selection in sex chromosome turnover by analysing the genomic distribution of sex-biased genes in I. leuconoe and L. halia. The autosomes corresponding to McChr21 and McChr31 involved in the fusions are significantly enriched in female- and male-biased genes, respectively, which could have hypothetically facilitated fixation of the neo-sex chromosomes. This suggests a role of sexual antagonism in sex chromosome turnover in Lepidoptera. The neo-Z chromosomes of both I. leuconoe and L. halia appear fully compensated in somatic tissues, but the extent of dosage compensation for the ancestral Z varies across tissues and species.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10603 - Genetics and heredity (medical genetics to be 3)
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2024
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Molecular Ecology
ISSN
0962-1083
e-ISSN
1365-294X
Volume of the periodical
33
Issue of the periodical within the volume
24
Country of publishing house
US - UNITED STATES
Number of pages
19
Pages from-to
e17256
UT code for WoS article
001136932300001
EID of the result in the Scopus database
2-s2.0-85181448804