Harnessing clonal gametes in hybrid crops to engineer polyploid genomes

• 全文链接

利用杂交作物中的克隆配子设计多倍体基因组

关键词：

来源：

Nature

全文链接：

//agri.nais.net.cn/topic/downloadFile/afe89e76-b343-4f12-b8e4-6af3de8959e0

来源地址：

https://www.nature.com/articles/s41588-024-01750-6

资源所属：

马铃薯基因组设计育种

类型：

学术文献

语种：

英语

原文发布日期：

2024-05-13

摘要：

Heterosis boosts crop yield; however, harnessing additional progressive heterosis in polyploids is challenging for breeders. We bioengineered a ‘mitosis instead of meiosis’ (MiMe) system that generates unreduced, clonal gametes in three hybrid tomato genotypes and used it to establish polyploid genome design. Through the hybridization of MiMe hybrids, we generated ‘4-haplotype’ plants that encompassed the complete genetics of their four inbred grandparents, providing a blueprint for exploiting polyploidy in crops.