Communication between chromatin and homologous recombination

Priyanka Verma, Roger A. Greenberg

Research output: Contribution to journalReview articlepeer-review

2 Scopus citations

Abstract

Higher-order chromatin packing serves as a structural barrier to the recognition and repair of genomic lesions. The initiation and outcome of the repair response is dictated by a highly coordinated yet complex interplay between chromatin modifying enzymes and their cognate readers, damage induced chemical modifications, nucleosome density, transcriptional state, and cell cycle-dependent availability of DNA repair machinery. The physical and chemical properties of the DNA lesions themselves further regulate the nature of ensuing chromatin responses. Here we review recent discoveries across these various contexts, where chromatin regulates the homology-guided double-strand break repair mechanism, homologous recombination, and also highlight the key knowledge gaps vital to generate a holistic understanding of this process and its contributions to genome integrity.

Original languageEnglish
Pages (from-to)1-9
Number of pages9
JournalCurrent Opinion in Genetics and Development
Volume71
DOIs
StatePublished - Dec 2021

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