Zygote electroporation of base editor ribonucleoproteins enables efficient single-target editing but reveals limitations of multiplex base editing in sheep - Mengting Cheng; Yun Wang; Haoran Xu; Muhammad Faheem Qurashi; Xinrong Li; Xueyi Ding; Jun Liu; Wenhui Pi; Chunhe Xiang (Theriogenology, 2026)