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Method: Genome-wide maps of CPD deamination in yeast reveal the impact of DNA sequence context and nucleosome architecture on cytosine deamination rates
- Marian F. Laughery,
- Bastian Stark,
- Benjamin Morledge-Hampton,
- Steven A. Roberts,
- and John J. Wyrick
Genome Res. January 2026 36: 183-196; Published in Advance December 9, 2025, doi:10.1101/gr.280384.124
...-in orientations in vitro (Song et al. 2011, 2014). However, to what extent nucleosomes modulate CPD deamination in other sequence contexts and across the of intact cells remains unclear.Genome-wide sequencing methods have emerged as powerful tools to understand how different genomic and chromatin contexts impact...
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Research: Genome-wide nucleosome and transcription factor responses to genetic perturbations reveal chromatin-mediated mechanisms of transcriptional regulation
- Kevin Moyung,
- Yulong Li,
- Heather K. MacAlpine,
- Alexander J. Hartemink,
- and David M. MacAlpine
Genome Res. January 2026 36: 115-128; Published in Advance December 9, 2025, doi:10.1101/gr.279637.124
...-axis, and fragment length is plotted on the y-axis, indicating nucleosome or TF-sized DNA. (C) Genome-wide map of chromatin changes in response to genetic perturbations. Loci with significant chromatin changes in response to a deletion are highlighted in purple (those reflecting the mutant deletion itself...
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Method: Size-based expectation maximization for characterizing nucleosome positions and subtypes
- Jianyu Yang,
- Kuangyu Yen,
- and Shaun Mahony
Genome Res. September 2024 34: 1334-1343; Published in Advance June 17, 2024, doi:10.1101/gr.279138.124
...510515, China Corresponding authors: kuangyuyen@ihcams.ac.cn, mahony@psu.eduAbstractGenome-wide nucleosome profiles are predominantly characterized using MNase-seq, which involves extensive MNase digestion and size selection to enrich for mononucleosome-sized fragments. Most available MNase-seq analysis...
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Research: Nucleosome repositioning in chronic lymphocytic leukemia
- Kristan V. Piroeva,
- Charlotte McDonald,
- Charalampos Xanthopoulos,
- Chelsea Fox,
- Christopher T. Clarkson,
- Jan-Philipp Mallm,
- Yevhen Vainshtein,
- Luminita Ruje,
- Lara C. Klett,
- Stephan Stilgenbauer,
- Daniel Mertens,
- Efterpi Kostareli,
- Karsten Rippe,
- and Vladimir B. Teif
Genome Res. October 2023 33: 1649-1661; Published in Advance September 12, 2023, doi:10.1101/gr.277298.122
...). Genome-wide maps of nucleosome positions are usually obtained by digesting linker DNA with nucleases, such as MNase, followed by sequencing the DNA associated with the histone octamer core (Teif and Clarkson 2019; Shtumpf et al. 2022). Most previous studies of this kind investigated cell lines...
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Research: Nucleosome binding by TP53, TP63, and TP73 is determined by the composition, accessibility, and helical orientation of their binding sites
- Patrick D. Wilson,
- Xinyang Yu,
- Christopher R. Handelmann,
- and Michael J. Buck
Genome Res. March 2025 35: 404-416; Published in Advance February 10, 2025, doi:10.1101/gr.279541.124
...-length isoforms of each TP53 family member: TP53α, TAp63α, and TAp73α. It is thought that TAp63α adopts a “spring-loaded” activation mechanism, remaining in a dimeric state until phosphorylation triggers tetramerization, thereby enhancing its DNA-binding affinity (Gebel et al. 2020). This conformation appears...
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Research: Stable genome structures in living fossil fishes
- Cheng Wang,
- Chase D. Brownstein,
- Wenjun Chen,
- Zufa Ding,
- Dan Yu,
- Yu Deng,
- Chenguang Feng,
- Thomas J. Near,
- Shunping He,
- and Liandong Yang
Genome Res. February 2026 36: 318-329; Published in Advance January 13, 2026, doi:10.1101/gr.280800.125
...contributed equally to this work. Corresponding authors: thomas.near@yale.edu, clad@ihb.ac.cn, yangliandong1987@163.comAbstractGenomic evolution can propel and restrict species diversification. Rapid molecular evolution and genomic rearrangement is often associated with increased species diversification...
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Research: Major impacts of widespread structural variation on sorghum
- Zhihai Zhang,
- Joao Paulo Gomes Viana,
- Bosen Zhang,
- Kimberly K.O. Walden,
- Hans Müller Paul,
- Stephen P. Moose,
- Geoffrey P. Morris,
- Chris Daum,
- Kerrie W. Barry,
- Nadia Shakoor,
- and Matthew E. Hudson
Genome Res. February 2024 34: 286-299; Published in Advance March 13, 2024, doi:10.1101/gr.278396.123
...Department of Soil and Crop Science, Colorado State University, Fort Collins, Colorado 80523, USA; 5United States Department of Energy Joint Genome Institute, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA; 6Donald Danforth Plant Science Center, St. Louis, Missouri 63132, USA...
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Mini-Review: Evolution of genome-wide methylation profiling technologies
- Carolina Montano and
- Winston Timp
Genome Res. April 2025 35: 572-582; doi:10.1101/gr.278407.123
....Cytosine methylation plays a critical role in genomic imprinting, gene regulation, X-Chromosome inactivation (XCI), cellular differentiation, aging, and tumorigenesis. Cells have an extensive system of proteins that establish these methylation patterns through de novo methylation or demethylation, copy methylation...
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Research: Ultraviolet damage and repair maps in Drosophila reveal the impact of domain-specific changes in nucleosome repeat length on repair efficiency
- Benjamin Morledge-Hampton,
- Kathiresan Selvam,
- Manish Chauhan,
- Alan G. Goodman,
- and John J. Wyrick
Genome Res. February 2025 35: 257-267; Published in Advance January 6, 2025, doi:10.1101/gr.279605.124
...the center of the nucleosome dyad, resulting in a concave shape (Fig. 3C). This could be indicative of preferential repair at the edges of the nucleosome, possibly owing to transient nucleosomal DNA unwrapping (Thoma 1999; Kono and Ishida 2020). Altogether, these results show that in Drosophila, CPD repair...
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Research: Widespread specific intron retention events in nuclear RNA complexes identified by sedimentation analysis of pluripotent cellular extracts
- Isabela T. Pereira,
- Izabela Mamede,
- Paulo P. Amaral,
- Gloria R. Franco,
- and John L. Rinn
Genome Res. October 2025 35: 2189-2198; Published in Advance August 26, 2025, doi:10.1101/gr.280431.125
...predominantly nuclear, metabolically stable, and they were not the major splice isoforms, but instead they were mostly retained-intron isoforms, each containing a specific retained intron, and this intron retention phenomenon is conserved in humans and mice. Collectively, our study reveals a widespread...

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