Explore the evolution of PRC2 repression in the green lineage through this 24-minute InDepth session presented by Iva Mozgova at the Society for Experimental Biology's annual Conference 2021. Gain insights into the fundamental aspects of PRC2, including its role in gene repression and its presence across eukaryotes. Discover the core subunits of PRC2 and their conservation throughout evolution. Delve into the specific focus on the green lineage, examining the importance of PRC2 in phototrophic growth and its underlying mechanisms. The presentation concludes with a summary and addresses questions from the audience, providing a comprehensive overview of this crucial epigenetic regulator in plant biology.