Cytoplasmic competition between separate parental pronuclei in zygotes - Hirohisa Kyogoku; Mitsusuke Tarama; Masahiro Matsuwaka; Tappei Mishina; Akihito Harada; Reiko Nakagawa; Mami Kumon; Yoshihiro Shimizu; Yasuyuki Ohkawa; Tatsuo Shibata; Azusa Inoue; Tomoya S. Kitajima (Nature, 2026)