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The synaptonemal complex stabilizes meiosis in allotetraploid Brassica napus and autotetraploid Arabidopsis thaliana.

The New phytologist - 1 Apr 2025

Zhang Yashi, Lv Fei, Wan Ziyang, Geng Miaowei, Chu Lei, Cai Bowei, Zhuang Jixin, Ge Xianhong, Schnittger Arp, Yang Chao

Abstract excerpt

Polyploidy plays a key role in genome evolution and crop improvement. The formation of bivalents rather than multivalents during meiosis of polyploids is essential to ensure meiotic stability and optimal fertility of the species. However, the mechanisms preventing multivalent recombination in polyploids remain obscure. We studied the role of the synaptonemal complex in polyploid meiosis by mutating the transverse...

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PMID: 39963072
DOI: 10.1111/nph.70015
PMCID: PMC11923410

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