The Glanville fritillary genome retains an ancient karyotype and reveals selective chromosomal fusions in Lepidoptera.

Details

Ressource 1Download: ncomms5737.pdf (1034.34 [Ko])
State: Public
Version: Final published version
License: Not specified
Serval ID
serval:BIB_99FECA558773
Type
Article: article from journal or magazin.
Publication sub-type
Minutes: analyse of a published work.
Collection
Publications
Title
The Glanville fritillary genome retains an ancient karyotype and reveals selective chromosomal fusions in Lepidoptera.
Journal
Nature Communications
Author(s)
Ahola V., Lehtonen R., Somervuo P., Salmela L., Koskinen P., Rastas P., Välimäki N., Paulin L., Kvist J., Wahlberg N., Tanskanen J., Hornett E.A., Ferguson L.C., Luo S., Cao Z., de Jong M.A., Duplouy A., Smolander O.P., Vogel H., McCoy R.C., Qian K., Chong W.S., Zhang Q., Ahmad F., Haukka J.K., Joshi A., Salojärvi J., Wheat C.W., Grosse-Wilde E., Hughes D., Katainen R., Pitkänen E., Ylinen J., Waterhouse R.M., Turunen M., Vähärautio A., Ojanen S.P., Schulman A.H., Taipale M., Lawson D., Ukkonen E., Mäkinen V., Goldsmith M.R., Holm L., Auvinen P., Frilander M.J., Hanski I.
ISSN
2041-1723 (Electronic)
ISSN-L
2041-1723
Publication state
Published
Issued date
2014
Peer-reviewed
Oui
Volume
5
Pages
4737
Language
english
Abstract
Previous studies have reported that chromosome synteny in Lepidoptera has been well conserved, yet the number of haploid chromosomes varies widely from 5 to 223. Here we report the genome (393 Mb) of the Glanville fritillary butterfly (Melitaea cinxia; Nymphalidae), a widely recognized model species in metapopulation biology and eco-evolutionary research, which has the putative ancestral karyotype of n=31. Using a phylogenetic analyses of Nymphalidae and of other Lepidoptera, combined with orthologue-level comparisons of chromosomes, we conclude that the ancestral lepidopteran karyotype has been n=31 for at least 140 My. We show that fusion chromosomes have retained the ancestral chromosome segments and very few rearrangements have occurred across the fusion sites. The same, shortest ancestral chromosomes have independently participated in fusion events in species with smaller karyotypes. The short chromosomes have higher rearrangement rate than long ones. These characteristics highlight distinctive features of the evolutionary dynamics of butterflies and moths.
Keywords
Animals, Base Sequence, Butterflies/genetics, Chromosome Aberrations, Chromosome Mapping, Evolution, Molecular, Genome/genetics, Karyotype, Likelihood Functions, Models, Genetic, Molecular Sequence Data, Phylogeny, Sequence Analysis, DNA, Synteny
Pubmed
Web of science
Open Access
Yes
Create date
20/09/2017 9:59
Last modification date
03/01/2020 18:06
Usage data