The genome sequence of the lesser marbled fritillary, <em>Brenthis ino</em>, and evidence for a segregating neo-Z chromosome
Mackintosh, Alexander; Laetsch, Dominik R.; Baril, Tobias; Foster, Robert G.; Dincă, Vlad; Vila, Roger; Hayward, Alexander; Lohse, Konrad (2022-03-28)
Mackintosh, A., Laetsch, D. R., Baril, T., Foster, R. G., Dincă, V., Vila, R., Hayward, A., & Lohse, K. (2022). The genome sequence of the lesser marbled fritillary, Brenthis ino , and evidence for a segregating neo-Z chromosome. G3 Genes|Genomes|Genetics, 12(6), jkac069. https://doi.org/10.1093/g3journal/jkac069
© The Author(s) 2022. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.
https://creativecommons.org/licenses/by/4.0/
https://urn.fi/URN:NBN:fi-fe2023022228269
Tiivistelmä
Abstract
The lesser marbled fritillary, Brenthis ino (Rottemburg, 1775), is a species of Palearctic butterfly. Male Brenthis ino individuals have been reported to have between 12 and 14 pairs of chromosomes, a much-reduced chromosome number than is typical in butterflies. Here, we present a chromosome-level genome assembly for Brenthis ino, as well as gene and transposable element annotations. The assembly is 411.8 Mb in length with a contig N50 of 9.6 Mb and a scaffold N50 of 29.5 Mb. We also show evidence that the male individual from which we generated HiC data was heterozygous for a neo-Z chromosome, consistent with inheriting 14 chromosomes from one parent and 13 from the other. This genome assembly will be a valuable resource for studying chromosome evolution in Lepidoptera, as well as for comparative and population genomics more generally.
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