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Transposable element islands facilitate adaptation to novel environments in an invasive species

Title data

Schrader, Lukas ; Kim, Jay W. ; Ence, Daniel ; Zimin, Aleksey ; Klein, Antonia ; Wyschetzki, Katharina ; Weichselgartner, Tobias ; Kemena, Carsten ; Stökl, Johannes ; Schultner, Eva ; Wurm, Yannick ; Smith, Christopher D. ; Yandell, Mark ; Heinze, Jürgen ; Gadau, Jürgen ; Oettler, Jan:
Transposable element islands facilitate adaptation to novel environments in an invasive species.
In: Nature Communications. Vol. 5 (2014) . - No. 5495.
ISSN 2041-1723
DOI: https://doi.org/10.1038/ncomms6495

Abstract in another language

Adaptation requires genetic variation, but founder populations are generally genetically depleted. Here we sequence two populations of an inbred ant that diverge in phenotype to determine how variability is generated. Cardiocondyla obscurior has the smallest of the sequenced ant genomes and its structure suggests a fundamental role of transposable elements (TEs) in adaptive evolution. Accumulations of TEs (TE islands) comprising 7.18% of the genome evolve faster than other regions with regard to single-nucleotide variants, gene/exon duplications and deletions and gene homology. A non-random distribution of gene families, larvae/adult specific gene expression and signs of differential methylation in TE islands indicate intragenomic differences in regulation, evolutionary rates and coalescent effective population size. Our study reveals a tripartite interplay between TEs, life history and adaptation in an invasive species.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER147453
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Biology > Chair Animal Ecology II - Evolutionary Animal Ecology > Chair Animal Ecology II - Evolutionary Animal Ecology - Univ.-Prof. Dr. Sandra Steiger
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Result of work at the UBT: No
DDC Subjects: 500 Science
Date Deposited: 12 Apr 2019 11:56
Last Modified: 12 Apr 2019 11:56
URI: https://eref.uni-bayreuth.de/id/eprint/48359