The Genome Sequence of the Scarce Swallowtail, Iphiclides Podalirius

Overview

Journal G3 (Bethesda)

Publisher Oxford University Press

Specialties Genetics
Molecular Biology

Date 2022 Aug 5

PMID 35929795

Authors

Alexander Mackintosh

Dominik R Laetsch

Tobias Baril

Sam Ebdon

Paul Jay

Roger Vila

Alex Hayward

Konrad Lohse

Affiliations

Soon will be listed here.

Abstract

The scarce swallowtail, Iphiclides podalirius (Linnaeus, 1758), is a species of butterfly in the family Papilionidae. Here, we present a chromosome-level genome assembly for Iphiclides podalirius as well as gene and transposable element annotations. We investigate how the density of genomic features differs between the 30 Iphiclides podalirius chromosomes. We find that shorter chromosomes have higher heterozygosity at four-fold-degenerate sites and a greater density of transposable elements. While the first result is an expected consequence of differences in recombination rate, the second suggests a counter-intuitive relationship between recombination and transposable element evolution. This high-quality genome assembly, the first for any species in the tribe Leptocircini, will be a valuable resource for population genomics in the genus Iphiclides and comparative genomics more generally.

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