The New phytologist
The RING1 subunit of Polycomb Repressive Complex 1 monoubiquitinates histone H2A and mediates repression independently of Polycomb Repressive Complex 2 in the model diatom Phaeodactylum tricornutum.
Yue Wu, Xue Zhao, Jing Xuan Chen, Timothée Chaumier, Leïla Tirichine
Published: 202510.1111/nph.70802
Abstract
Polycomb Repressive Complex 1 (PRC1) and its associated mark, H2A monoubiquitination (H2Aub), cooperate with PRC2 for transcriptional silencing in multicellular organisms. However, PRC1 is absent from many unicellular lineages, leaving its functional…
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