The telomere-to-telomere gap-free genome of four rice parents reveals SV and PAV patterns in hybrid rice breedingZhang, Yilin; Fu, Jun; Wang, Kai; Han, Xue; Yan, Tianze; Su, Yanning; Li, Yanfeng; Lin, Zechuan; Qin, Peng; Fu, Chenjian; Deng, Xing Wang; Zhou, Degui*; Yang, Yuanzhu*; He, Hang*Science Citation Index Expanded广东省农业科学院; 北京大学; 华南农业大学; 华中农业大学摘要-关键词hybrid-rice gap-free genome structure variation heterosis