A reaction-diffusion framework for de novo Polycomb spreading
Eleanor A Degen, Shelby A. Blythe
The paper develops a reaction-diffusion framework to model Polycomb spreading during embryogenesis and shows PRC2 diffusion is enhanced by PRC1.
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Northwestern UniversityORCID 0000-0003-4986-2579Unclaimed ORCID profile · follow to get notified of new preprints
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11 papers
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Eleanor A Degen, Shelby A. Blythe
The paper develops a reaction-diffusion framework to model Polycomb spreading during embryogenesis and shows PRC2 diffusion is enhanced by PRC1.
Natalie Gonzaga-Saavedra, Eleanor A Degen, Isabella V Soluri…·Shelby A. Blythe
The paper investigates how Polycomb modifications spread during Drosophila zygotic genome activation, showing nucleation-dependent propagation and the role of Zelda in licensing PREs.
Susanna E. Brantley, Jacqueline Janssen, Anna T. Chao…·Stefano Di Talia
The paper shows that cells interpret dynamic morphogen signals through temporal integration and spatial competence, using Drosophila BMP gradients to demonstrate this mechanism.
Eleanor A Degen, Corinne Croslyn, Niall M. Mangan, Shelby A. Blythe
The paper shows that Bicoid-nucleosome competition sets a concentration threshold for hunchback transcription, constrained by genome replication in Drosophila embryos.
Eleanor A Degen, Natalie Gonzaga-Saavedra, Shelby A. Blythe
The paper develops a mathematical model to investigate how allostery and nucleation contribute to H3K27 methylation dynamics in early Drosophila embryogenesis.
Ezra E. Amiri, Ayşe Tenger‐Trolander, Muzi Li…·Urs Schmidt‐Ott
The paper examines the anterior-posterior symmetry-breaking mechanism in Clogmia albipunctata, showing that its AD, maternal Cal-opa, promotes chromatin accessibility and anterior gene expression, similar to Drosophila's Bcd mechanism.
Marissa M Gaskill, Isabella V Soluri, Annemarie E. Branks…·Melissa M. Harrison
This study shows that the pioneer factor GAF localizes to subnuclear foci through binding to GA-satellite repeats, which is necessary for forming heterochromatin and silencing satellite repeat expression.
Kevin G. Nyberg, Joseph Q. Nguyen, Yong-Jae Kwon…·Richard W. Carthew
The paper develops a two-stage marker-assisted pipeline using sgRNA-Cas9 RNPs to improve genome editing efficiency in Drosophila by enabling precise HDR and screening based on eye morphology.
Isabella V Soluri, Lauren M Zumerling, Omar A. Payán Parra…·Shelby A. Blythe
The paper shows that Odd-paired/Zic pioneer factor activity is essential for establishing the Drosophila segmentation network by regulating chromatin accessibility.
Melody Esmaeili, Shelby A. Blythe, John W. Tobias…·Peter S. Klein
The paper investigates how chromatin accessibility and histone acetylation regulate the loss of competence to inductive signals during early development in Xenopus laevis.
Colleen E Hannon, Shelby A. Blythe, Eric F. Wieschaus
The paper shows that Bicoid's occupancy at target sites depends on chromatin context rather than binding sites, with Bcd inducing an open chromatin state at high concentrations.