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Research: Natural diversity of telomere length distributions across 100 Saccharomyces cerevisiae strains
- Clotilde Garrido,
- Cintia Gómez-Muñoz,
- Etienne Kornobis,
- Nicolas Agier,
- Oana Ilioaia,
- Gilles Fischer,
- and Zhou Xu
Genome Res. March 2026 36: 522-533; Published in Advance January 16, 2026, doi:10.1101/gr.281132.125
...response and inappropriate repair. In the budding yeast Saccharomyces cerevisiae, these include Rap1 and its cofactors Rif1/Rif2, which are bound to double-stranded DNA (dsDNA) in numbers roughly proportional to TL (Marcand et al. 1997; Levy and Blackburn 2004). In addition, owing to the incomplete...
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Research: Genetic variation in recalcitrant repetitive regions of the Drosophila melanogaster genome
- Harsh G. Shukla,
- Mahul Chakraborty,
- and J.J. Emerson
Genome Res. September 2025 35: 2023-2040; Published in Advance July 16, 2025, doi:10.1101/gr.280728.125
...@tamu.edu, jje@uci.eduAbstractMany essential functions of organisms are encoded in highly repetitive genomic regions, including histones involved in DNA packaging, centromeres that are core components of chromosome segregation, ribosomal RNA comprising the protein translation machinery, telomeres that ensure...
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Research: The role of transposon activity in shaping cis-regulatory element evolution after whole-genome duplication
- Øystein Monsen,
- Lars Grønvold,
- Alex Datsomor,
- Thomas Harvey,
- James Kijas,
- Alexander Suh,
- Torgeir R. Hvidsten,
- and Simen Rød Sandve
Genome Res. March 2025 35: 475-488; Published in Advance February 12, 2025, doi:10.1101/gr.278931.124
...-derived TE-CREs dominated over DNA-element TE-CREs in absolute numbers (Fig. 4C).Even if most TE-CREs are older than the salmonid WGD, it is still plausible that the WGD triggered a shift in the evolutionary rates of TE-CREs. To explore this in more detail, we first analyzed the temporal dynamics of all TE...
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Research: Evidence for selfing in a vertebrate from whole-genome sequencing
- Astrid Böhne,
- Zeynep Oğuzhan,
- Ioannis Chrysostomakis,
- Simon Vitt,
- Denis Meuthen,
- Sebastian Martin,
- Sandra Kukowka,
- and Timo Thünken
Genome Res. December 2023 33: 2133-2142; Published in Advance December 7, 2023, doi:10.1101/gr.277368.122
...individual derived from the same original field collection event. Tissue samples were taken from dead individuals and stored in 95% ethanol. DNA was extracted with a Qiagen DNeasy blood and tissue kit following the manufacturer's instructions. DNA concentration and integrity were assessed with a fluorometer...
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Method: Identifying crossovers and shared genetic material in whole genome sequencing data from families
- Kelley Paskov,
- Brianna Chrisman,
- Nathaniel Stockham,
- Peter Yigitcan Washington,
- Kaitlyn Dunlap,
- Jae-Yoon Jung,
- and Dennis P. Wall
Genome Res. October 2023 33: 1747-1756; Published in Advance October 25, 2023, doi:10.1101/gr.277172.122
...the same parent. Siblings should on average share 50% of their DNA. In Supplemental Figure S24, we look at the fraction of maternal and paternal genetic material shared IBD by the sibling pairs in our data set. We see that the distribution of IBD matches the expected distribution. Maternal IBD is expected...
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Research: Whole-genome resequencing of temporally stratified samples reveals substantial loss of haplotype diversity in the highly inbred Scandinavian wolf population
- Agnese Viluma,
- Øystein Flagstad,
- Mikael Åkesson,
- Camilla Wikenros,
- Håkan Sand,
- Petter Wabakken,
- and Hans Ellegren
Genome Res. March 2022 32: 449-458; Published in Advance February 8, 2022, doi:10.1101/gr.276070.121
...://www.ebi.ac.uk/ena) under accession number PRJEB20635, and three additional individuals were resequenced as described in Kardos et al. (2018). Briefly, DNA was prepared from blood or muscle tissue and paired-end libraries constructed for 150-bp sequencing on an Illumina HiSeq X instrument.The material included the female...
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Research: The human ribosomal DNA array is composed of highly homogenized tandem clusters
- Yutaro Hori,
- Akira Shimamoto,
- and Takehiko Kobayashi
Genome Res. November 2021 31: 1971-1982; Published in Advance August 18, 2021, doi:10.1101/gr.275838.121
...abundant repetitive gene region in eukaryotic cells. In the budding yeast Saccharomyces cerevisiae, the structure and function of rDNA have been well studied, establishing rDNA as a unique region in the . Each unit (9.2 kb) of rDNA includes two coding regions, 35S precursor ribosomal RNA (rRNA) and 5S r...
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Method: Autoencoders for genomic variation analysis
- Margarita Geleta,
- Daniel Mas Montserrat,
- Xavier Giro-i-Nieto,
- and Alexander G. Ioannidis
Genome Res. February 2026 36: 348-360; Published in Advance January 20, 2026, doi:10.1101/gr.280086.124
...“logistic mixing,” a neural network without hidden layers that uses a simple update rule to adjust the output probabilities for better bitstream coding. This idea has been brought to genomic compression of sequencing reads with GeCo3 (Silva et al. 2020). Another recent use of neural networks for DNA...
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Research: Whole-genome long-read sequencing downsampling and its effect on variant-calling precision and recall
- William T. Harvey,
- Peter Ebert,
- Jana Ebler,
- Peter A. Audano,
- Katherine M. Munson,
- Kendra Hoekzema,
- David Porubsky,
- Christine R. Beck,
- Tobias Marschall,
- Kiran Garimella,
- and Evan E. Eichler
Genome Res. December 2023 33: 2029-2040; Published in Advance December 7, 2023, doi:10.1101/gr.278070.123
..., and especially UL-ONT, performed well for detecting large insertions (Supplemental Table S12) and the advantage here is driven primarily by larger read lengths that can more often traverse large repetitive DNA to anchor alignments in unique flanking sequence. Overall, assembly-based approaches (especially...
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Resource: High-quality assembly of the Chinese white truffle genome and recalibrated divergence time estimate provide insight into the evolutionary dynamics of Tuberaceae
- Jacopo Martelossi,
- Jacopo Vujovic,
- Yue Huang,
- Alessia Tatti,
- Kaiwei Xu,
- Federico Puliga,
- Yuanxue Chen,
- Omar Rota Stabelli,
- Fabrizio Ghiselli,
- Xiaoping Zhang,
- and Alessandra Zambonelli
Genome Res. November 2025 35: 2601-2616; Published in Advance August 21, 2025, doi:10.1101/gr.280368.124
...events. Finally, we explore the repetitive structure of nuclear ribosomal DNA (rDNA) loci for the first time in the clade. Most of the 45S rDNA paralogs are undergoing concerted evolution, although an isolated divergent locus raises concerns about potential issues for metabarcoding and biodiversity...

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