Chromosomal and Genetic Variations

The paper analyzes epigenomic data from twelve human cell lines to reveal how transposable elements evolve in response to host defense mechanisms across different chromatin states.

The paper presents chromosome-level genome assemblies for four Amaranthus species, revealing conserved sex chromosome inversions and providing resources for evolutionary and agronomic research.

This study identifies TE variation in wild house mice from temperate and tropical environments and finds some TE insertions associated with gene expression and positive selection.

This study shows that transposable elements (TEs) in Drosophila melanogaster cause phenotypic variation and affect responses to environmental changes.

This study analyzes the origins and evolutionary dynamics of the allopolyploid grass Brachypodium hybridum using whole-genome sequencing and phylogenomic approaches, revealing three independent allopolyploidization events and subgenome-specific evolutionary patterns.

The paper investigates the origin of Chloranthales by analyzing subgenome phylogenies and finds evidence of an ancient allopolyploidization event involving monocot and eudicot lineages.

This paper presents the first chromosome-scale genome assembly of Acrocomia aculeata, providing insights for conservation genomics and plant breeding.

The paper investigates how polyploidization affects chemodiversity in Hypericum species, finding that higher ploidy levels correlate with increased metabolic diversity in some taxa.

This paper investigates how whole-genome duplication affects biosynthetic gene clusters in Strychnos species, showing that pathway function can persist despite fragmentation and regulatory rewiring.

The paper examines genome evolution in duckweeds, showing that genome size and functional repertoire change independently during miniaturization, with transposable elements driving expansion and functional streamlining occurring through gene family contractions.

This study expands the yeast genome with non-coding DNA and finds it reduces growth rate and endogenous mRNA concentration without affecting translation.

This study shows that Piwi5 is essential for piRNA production and transposon silencing in Ae. albopictus, with loss of Piwi5 leading to increased transposon activity.

The paper identifies a novel lncRNA, AAACTAC, expressed in early oocyte nuclei of Drosophila virilis and related species, suggesting a potential functional role in development.

This study investigates hybrid dysgenesis in male Drosophila simulans, showing elevated P-element transposition and gene expression changes, but less severe fertility defects compared to females.

The paper sequenced genomes of Poaceae sister species to identify metabolic innovations that predate grass evolution, revealing gene duplications linked to starch and lignin biosynthesis.

TEstorm activates LTR retrotransposons in plants by temporarily silencing regulatory genes and inducing stress, leading to transposition and heritable genetic changes.

The paper analyzes chromosomal evolution across 3,631 animal genomes to show that karyotype contraction and expansion drive genome evolution, with subchromosomal mixing and irreversibility shaping clade-specific trajectories.

This study compares TAD conservation and evolution across five cereal species, finding high conservation of TAD boundaries and their role in genome stability during evolution.

The paper compares DNA replication kinetics across diploid, tetraploid, and dodecaploid Xenopus species, finding that higher ploidy does not always prolong S phase.

The paper analyzes chromosome numbers and Robertsonian translocations in Danish sika deer to assess hybridization with red deer and its implications for speciation and infertility.

The paper identifies an evolutionary arms race between WHO endonucleases and their target site in the FBA1 gene in Torulaspora yeast, showing rapid sequence diversification to evade cleavage.

This paper presents the first chromosome-scale genome of Pineus strobi, revealing conserved macrosynteny across Adelgidae and supporting chromosome stability outside Aphididae.

This paper presents the first chromosome-level genome assembly of Lepidurus arcticus, revealing genomic features and comparing it to a related species.

The paper analyzes a duplicate-resolved paddlefish genome to study rediploidisation and Hox cluster evolution, finding links between genome rearrangements, 3D architecture, and rediploidisation timing.

This paper identifies Sov as a scaffold protein linking piRNA recognition of transposon RNA to RNA decay and heterochromatin formation through distinct molecular mechanisms.

This study shows that non-coding DNA in yeast affects cell size and fitness by sequestering RNA polymerase, reducing transcript levels and impairing growth.

This study analyzes the evolutionary patterns of Gypsy-family LTR retrotransposons across 249 Drosophila genomes, revealing shifts in regulatory mechanisms and transcription factor involvement.

This study shows that Piwi6 in Aedes mosquitoes suppresses LTR retrotransposons in both gonadal and somatic tissues by guiding H3K9me3 histone deposition.

This study investigates how chromosome number divergence influences monocot hybrid evolution using a new metric, the Ploidy Deviation Index (PDI), finding homoploid hybrids are most common and challenging assumptions about polyploidy dominance.

This study identifies locally adaptive chromosomal inversions in wild sunflowers and finds they are more common in sympatric populations and have distinct genomic features.