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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
...to explore interactions that involve more than one mutant. For example, SWI4 and SWI6 are key TFs enacting G1/S-specific transcription, and together they form a complex to bind to and regulate genes involved in DNA synthesis and repair (Sidorova and Breeden 1993). The individual deletions of SWI4 (swi4Δ...
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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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Method: KAS-ATAC reveals the genome-wide single-stranded accessible chromatin landscape of the human genome
- Samuel H. Kim,
- Georgi K. Marinov,
- and William J. Greenleaf
Genome Res. January 2025 35: 124-134; Published in Advance November 21, 2024, doi:10.1101/gr.279621.124
.... Genome-wide mapping of nucleosome positioning and DNA methylation within individual DNA molecules. Genome Res 22: 2497–2506. doi:10.1101/gr.143008.112 ↵Kouzine F, Gupta A, Baranello L, Wojtowicz D, Ben-Aissa K, Liu J, Przytycka TM, Levens D. 2013. Transcription-dependent dynamic supercoiling is a short...
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Research: The impact of SWI/SNF and NuRD inactivation on gene expression is tightly coupled with levels of RNA polymerase II occupancy at promoters
- Sachin Pundhir,
- Jinyu Su,
- Marta Tapia,
- Anne Meldgaard Hansen,
- James Seymour Haile,
- Klaus Hansen,
- and Bo Torben Porse
Genome Res. March 2023 33: 332-345; Published in Advance March 16, 2023, doi:10.1101/gr.277089.122
...of DNA to transcription factors. It is catalyzed by ATP-dependent chromatin remodeling complexes such as the SWI/SNF and NuRD remodelers, both of which bind to numerous common target gene promoters as revealed by the chromatin occupancy profiles of their ATPase subunits (BRG1–SWI/SNF and CHD4–Nu...
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Research: KDM1A maintains genome-wide homeostasis of transcriptional enhancers
- Saurabh Agarwal,
- Katherine M. Bonefas,
- Patricia M. Garay,
- Emily Brookes,
- Yumie Murata-Nakamura,
- Robert S. Porter,
- Todd S. Macfarlan,
- Bing Ren,
- and Shigeki Iwase
Genome Res. February 2021 31: 186-197; Published in Advance January 7, 2021, doi:10.1101/gr.234559.118
....” The presence of KDM1A/HDACs is required to antagonize the activities of the methyltransferases and acetyltransferases (HATs) and maintain an optimal histone modification landscape. The equilibrium of these counteractions likely defines the activity of an enhancer. When an enhancer is decommissioned upon...
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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
..., Bruhm DC, Jensen SØ, Medina JE, Hruban C, White JR, et al. 2019. Genome-wide cell-free DNA fragmentation in patients with cancer. Nature 570: 385–389. doi:10.1038/s41586-019-1272-6 ↵De Coster W, Weissensteiner MH, Sedlazeck FJ. 2021. Towards population-scale long-read sequencing. Nat Rev Genet 22: 572...
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Research: Distinct roles for RSC and SWI/SNF chromatin remodelers in genomic excision repair
- Kaitlynne A. Bohm,
- Amelia J. Hodges,
- Wioletta Czaja,
- Kathiresan Selvam,
- Michael J. Smerdon,
- Peng Mao,
- and John J. Wyrick
Genome Res. June 2021 31: 1047-1059; Published in Advance May 17, 2021, doi:10.1101/gr.274373.120
...particle.Because the SWI/SNF ACR plays a role in altering nucleosome positions and evicting nucleosomes, we used the CPD-seq data to test whether the SWI/SNF complex is specifically required for repair in nucleosomes. High-resolution analysis of repair in WT cells near the transcription start sites (TSSs...
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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
...the nucleosome maps in NBCs with the binding sites of BRG1, the ATPase of the SWI/SNF chromatin remodeling complex (Abraham et al. 2013). Nucleosomes that did not change locations between conditions were depleted of BRG1 in NBCs, whereas shifted nucleosomes (>20% change of their start/end coordinates) were...
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Research: Local nucleosome dynamics and eviction following a double-strand break are reversible by NHEJ-mediated repair in the absence of DNA replication
- Vinay Tripuraneni,
- Gonen Memisoglu,
- Heather K. MacAlpine,
- Trung Q. Tran,
- Wei Zhu,
- Alexander J. Hartemink,
- James E. Haber,
- and David M. MacAlpine
Genome Res. May 2021 31: 775-788; Published in Advance April 2, 2021, doi:10.1101/gr.271155.120
...undergo obligatory remodeling to evict existing nucleosomes and allow break-recognition factors to access and signal for repair complexes to assemble and mend the broken DNA. Although repair of the broken DNA ensures that integrity is preserved, chromatin architecture must also be restored to preserve...
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Research: Genome-wide profiles of H3K9me3, H3K27me3 modifications, and DNA methylation during diapause of Asian corn borer (Ostrinia furnacalis)
- Pengfei Lv,
- Xingzhuo Yang,
- Xianguo Zhao,
- Zhangwu Zhao,
- and Juan Du
Genome Res. May 2024 34: 725-739; Published in Advance June 12, 2024, doi:10.1101/gr.278661.123
...of H3K9me3 and H3K27me3 in the nondiapause (C), prediapause (D), and diapause (E) stages. (F–H) Venn diagram shows the number of genes with H3K9me3 peaks, H3K27me3 peaks, or both at the nondiapause (F), prediapause (G), and diapause (H) stages. (I–K) Genome-wide correlation plots showing correlation...

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