Zhu, Y. R., Dong, L. X., Wang, C. C., Hao, K. Y., Wang, J. N., Zhao, L. C., Xu, L. J., Xia, Y., Jiang, Q., and Qin, J. Z. (2022) Functional redundancy among Polycomb complexes in maintaining the pluripotent state of embryonic stem cells, Stem Cell Reports 17, 1198-1214.