Genome analysis of the monoclonal marbled crayfish reveals genetic separation over a short evolutionary timescale
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Kuupäev
2021
Kättesaadav alates
Ajakirja pealkiri
Ajakirja ISSN
Köite pealkiri
Kirjastaja
Springer Nature
Abstrakt
The marbled crayfish (Procambarus virginalis) represents a very recently evolved parthenogenetic freshwater crayfish species that has invaded diverse habitats in Europe and in
Madagascar. However, population genetic analyses have been hindered by the homogeneous
genetic structure of the population and the lack of suitable tools for data analysis. We have
used whole-genome sequencing to characterize reference specimens from various known
wild populations. In parallel, we established a whole-genome sequencing data analysis
pipeline for the population genetic analysis of nearly monoclonal genomes. Our results
provide evidence for systematic genetic differences between geographically separated
populations and illustrate the emerging differentiation of the marbled crayfish genome. We
also used mark-recapture population size estimation in combination with genetic data to
model the growth pattern of marbled crayfish populations. Our findings uncover evolutionary
dynamics in the marbled crayfish genome over a very short evolutionary timescale and
identify the rapid growth of marbled crayfish populations as an important factor for ecological
monitoring.
Open Access funding enabled and organized by Projekt DEAL.
Open Access funding enabled and organized by Projekt DEAL.
Kirjeldus
Märksõnad
crayfish, Procambarus virginalis, genome analysis, articles