Chromosomal and Genetic Variations

The paper presents a near chromosome-level genome assembly for Centaurea melitensis, revealing structural variation and gene content.

The paper analyzes centromere evolution in lemurs using long-read sequencing, finding rapid sequence turnover and distinct centromeric repeats across species.

The paper investigates how centromeric satellite array size asymmetry affects meiotic function in mice, finding that small arrays paired with larger ones lead to chromatin and spindle defects and increased aneuploidy.

The paper maps maize Mutator transposon insertion preferences across tissues, showing most hotspots are constitutive but some show tissue-specific variation.

This study analyzes beetle genomes to understand chromosome evolution, revealing high diversity and conservation of ancestral linkage groups, and identifying neo-sex chromosomes in 19.5% of species.

The paper shows that HMGA2 abundance and major satellite copy number are reciprocally constrained in mouse meiosis, with each affecting the other's stability.

The paper uses long-read assemblies to analyze human LINE-1 retrotransposons, revealing their recent activity, population diversity, and evolutionary dynamics.

The paper identifies large-scale genomic rearrangements in the J1 lineage of Pogonomyrmex barbatus that may explain reproductive isolation in the dependent-lineage system.

This study shows tetraploid C. elegans embryos have greater osmotic tolerance due to compositional changes that buffer volume fluctuations.

The paper introduces a genomic foundation model to detect transposable element impacts on rice genome architecture without alignment, revealing chromatin-domain-scale structural divergence.

The paper identifies genomic architectures associated with parasitism loss in lampreys, showing distinct genomic features across different ecotypes and highlighting independent evolutionary paths.

This study investigates the lineage-specific evolution of regulatory elements in allopolyploid peanut and its diploid progenitors, revealing patterns of chromatin accessibility and histone modification conservation and divergence.

The paper constructs a graph-based pangenome for pear to identify genetic variants associated with climate-resilient and horticultural traits.

The paper identifies LTR retrotransposons in maize as having promoter-like features and regulatory roles through long-read transcriptomics and coexpression analysis.

This study shows that extrachromosomal circular DNA (eccDNA) acquired through grafting can be transmitted to the germline in Brassica plants, leading to heritable trait changes.

This paper reconstructs the ancestral Musaceae karyotype and links chromosome evolution to bract coloration diversity through genomic and transcriptomic analyses.

The paper documents meiosis in Lemna species, identifies unreduced male gametes, and explores their implications for hybrid formation and evolution.

This study identifies 132 ancient whole-genome duplication events in angiosperms, showing they cluster around periods of environmental upheaval and extinction.

The paper identifies a repeat-rich genomic region, MARB, associated with bird migration using long-read assemblies and cytogenetic techniques, revealing it spans a large chromosome and contains many olfactory receptor genes.

The paper identifies syncytin-like Env proteins in non-placental chondrichthyans, showing their transcriptional activity and syntenic conservation, but not in placental sharks.

The paper presents a chromosome-level genome assembly of Astatotilapia latifasciata, revealing a B chromosome with unique gene content and chromatin structure.

This paper develops a population-genetic framework to infer double reduction and higher-order linkage disequilibrium in autopolyploids, revealing structured genomic architectures in natural and clonal populations.

The paper generates near telomere-to-telomere genomes for Linum species to study chromosome evolution, finding lineage-specific DNA transposon expansion linked to pericentromeric restructuring.

The paper analyzes mitochondrial genomes of Camellia species to show short repeats drive genome expansion and reveals hybridization signatures through phylogenomic conflicts.

The paper presents a haplotype-resolved genome assembly of autotetraploid alfalfa, revealing extensive structural variation and resistance gene dynamics.

MeiCOfi detects meiotic crossovers in diverse genomes with high resolution and low coverage, showing reliability across species and ploidy levels.

The paper identifies exWAGO as an ancestral regulator of LTR retrotransposons, showing it binds sRNAs from TEs and non-autonomous LTRs in extracellular forms.

This study identifies HERV sequences as pervasive components of RNA regulatory architecture in the human transcriptome, revealing their roles in RNA processing and gene regulation.

This paper identifies maternal modifiers in Arabidopsis that influence the triploid block, leading to viable large seeds in interploidy crosses.

This paper shows how transposable elements facilitated the de novo origin and diversification of antifreeze protein genes in snailfishes through regulatory sequence recruitment and locus expansion.