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Uncovering the mechanism of female restitution in sugarcane hybrids

Research Crop Genomics

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TL;DR - Haplotype-resolved F1 genomes show that female restitution in interspecific sugarcane hybrids results from second-division restitution during meiosis. Clarifying this mechanism could guide breeding strategies for faster crop improvement.

  • Maternal chromatids were duplicated and partially recombined.
  • Distinctive recombination signatures identified the meiotic mechanism.
  • The study examines hybrids of Saccharum officinarum and Saccharum spontaneum.
  • The findings provide a genomic basis for exploiting female restitution in sugarcane breeding.

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Uncovering the mechanism of female restitution in sugarcane hybrids

Nature Sihui Zhu, Haibao Tang, Tyler Jones, Nathan Fumia, Jing Zhou, Lingmin Cai, Wen Wang, Yanhong Zhou, Haoming Mao, Liping Zuo, Yutong Zheng, Yixing Zhang, Zhaoqian Ji, Huanhuan Tao, Jianling Pan, Yating Xu, Huiru Chen, Chifumi Nagai, Ray Ming 2026-08-05 doi:10.1038/s41586-026-10863-3
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Providers: Hugging Face · N/A OpenAlex · Citations 0 Publisher · N/A Semantic Scholar · N/A X · N/A Fetched 2026-09-03 14:32:12.010198 UTC

TL;DR - Haplotype-resolved F1 genomes show that female restitution in interspecific sugarcane hybrids results from second-division restitution during meiosis. Clarifying this mechanism could guide breeding strategies for faster crop improvement.

  • Maternal chromatids were duplicated and partially recombined.
  • Distinctive recombination signatures identified the meiotic mechanism.
  • The study examines hybrids of Saccharum officinarum and Saccharum spontaneum.
  • The findings provide a genomic basis for exploiting female restitution in sugarcane breeding.
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