The impact of chromosomal rearrangements in speciation: from micro-to macroevolution

K Lucek, MD Giménez, M Joron… - Cold Spring …, 2023 - cshperspectives.cshlp.org
Chromosomal rearrangements (CRs) have been known since almost the beginning of
genetics. While an important role for CRs in speciation has been suggested, evidence …

Structural variants and speciation: multiple processes at play

EL Berdan, TG Aubier, S Cozzolino… - Cold Spring …, 2024 - cshperspectives.cshlp.org
Research on the genomic architecture of speciation has increasingly revealed the
importance of structural variants (SVs) that affect the presence, abundance, position, and/or …

Repeat-based holocentromeres influence genome architecture and karyotype evolution

PG Hofstatter, G Thangavel, T Lux, P Neumann… - Cell, 2022 - cell.com
The centromere represents a single region in most eukaryotic chromosomes. However,
several plant and animal lineages assemble holocentromeres along the entire chromosome …

Comparative genomics reveals the dynamics of chromosome evolution in Lepidoptera

CJ Wright, L Stevens, A Mackintosh… - Nature Ecology & …, 2024 - nature.com
Chromosomes are a central unit of genome organization. One-tenth of all described species
on Earth are butterflies and moths, the Lepidoptera, which generally possess 31 …

Chromosome Fissions and Fusions Act as Barriers to Gene Flow between Brenthis Fritillary Butterflies

A Mackintosh, R Vila, DR Laetsch… - Molecular biology …, 2023 - academic.oup.com
Chromosome rearrangements are thought to promote reproductive isolation between
incipient species. However, it is unclear how often, and under what conditions, fission and …

Speciation through chromosomal fusion and fission in Lepidoptera

JM De Vos, H Augustijnen… - … Transactions of the …, 2020 - royalsocietypublishing.org
Changes in chromosome numbers may strongly affect reproductive barriers, because
individuals heterozygous for distinct karyotypes are typically expected to be at least partially …

Sex chromosomes in meiotic, hemiclonal, clonal and polyploid hybrid vertebrates: along the 'extended speciation continuum'

M Stöck, D Dedukh, R Reifová… - … of the Royal …, 2021 - royalsocietypublishing.org
We review knowledge about the roles of sex chromosomes in vertebrate hybridization and
speciation, exploring a gradient of divergences with increasing reproductive isolation …

High-density linkage maps and chromosome level genome assemblies unveil direction and frequency of extensive structural rearrangements in wood white butterflies …

L Höök, K Näsvall, R Vila, C Wiklund… - Chromosome Research, 2023 - Springer
Karyotypes are generally conserved between closely related species and large
chromosome rearrangements typically have negative fitness consequences in …

The genome of Eleocharis vivipara elucidates the genetics of C3–C4 photosynthetic plasticity and karyotype evolution in the Cyperaceae

H Liu, H Zhao, Y Zhang, X Li, Y Zuo… - Journal of Integrative …, 2024 - Wiley Online Library
Eleocharis vivipara, an amphibious sedge in the Cyperaceae family, has several remarkable
properties, most notably its alternate use of C3 photosynthesis underwater and C4 …

A holocentric twist to chromosomal speciation?

K Lucek, H Augustijnen, M Escudero - Trends in Ecology & Evolution, 2022 - cell.com
Chromosomal rearrangements trigger speciation by acting as barriers to gene flow.
However, the underlying theory was developed with monocentric chromosomes in mind …