Inhibition of SUV39H1 and SUV39H2 promotes zygotic genome activation and improves the developmental competence of porcine somatic cell nuclear transfer embryos - Qianqian Xu; Ye Li; Mengru Ji; Wenqian Zhao; Yan Niu; Liang Zhu; Yuting Zhang; Zhonghua Liu; Xiaogang Weng (Theriogenology, 2026)