論文 - 詳細
| RRC ID | 76810 |
|---|---|
| 著者 | Shen F, Xu S, Shen Q, Bi C, Lysak MA. |
| タイトル | The allotetraploid horseradish genome provides insights into subgenome diversification and formation of critical traits. |
| ジャーナル | Nat Commun |
| Abstract |
Polyploidization can provide a wealth of genetic variation for adaptive evolution and speciation, but understanding the mechanisms of subgenome evolution as well as its dynamics and ultimate consequences remains elusive. Here, we report the telomere-to-telomere (T2T) gap-free reference genome of allotetraploid horseradish (Armoracia rusticana) sequenced using a comprehensive strategy. The (epi)genomic architecture and 3D chromatin structure of the A and B subgenomes differ significantly, suggesting that both the dynamics of the dominant long terminal repeat retrotransposons and DNA methylation have played critical roles in subgenome diversification. Investigation of the genetic basis of biosynthesis of glucosinolates (GSLs) and horseradish peroxidases reveals both the important role of polyploidization and subgenome differentiation in shaping the key traits. Continuous duplication and divergence of essential genes of GSL biosynthesis (e.g., FMOGS-OX, IGMT, and GH1 gene family) contribute to the broad GSL profile in horseradish. Overall, the T2T assembly of the allotetraploid horseradish genome expands our understanding of polyploid genome evolution and provides a fundamental genetic resource for breeding and genetic improvement of horseradish. |
| 巻・号 | 14(1) |
| ページ | 4102 |
| 公開日 | 2023-7-25 |
| DOI | 10.1038/s41467-023-39800-y |
| PII | 10.1038/s41467-023-39800-y |
| PMID | 37491530 |
| PMC | PMC10368706 |
| MeSH | Armoracia* / genetics Evolution, Molecular Genome, Plant* / genetics Genomics Plant Breeding Polyploidy |
| IF | 12.121 |
| リソース情報 | |
| GBIF | Plant specimens of Otaru Museum Vascular Plant Specimens of Yamagata Prefectural Museum Vascular plant specimens of Akita Prefectural Museum Herbarium, University Archives and Collections, Fukushima University, Japan (FKSE) Herbarium of Hokkaido University Museum (SAPS) Ibaraki Nature Museum, Vascular Plants collection Vascular plant specimens of National Museum of Nature and Science (TNS) Plant Specimens of Kurashiki Museum of Natural History Herbarium Specimens of Tokushima Prefectural Museum, Japan Vascular Plants Collection of Sagamihara City Museum Plant specimens deposited in Osaka Museum of Natural History, Japan Vascular Plant Specimens of Kochi Prefectural Makino Botanical Garden Vascular Plant Specimen database of Kanagawa Prefectural Museum of Natural History Gunma Museum of Natural History, Vascular Plant Specimen Plant specimens of Kushiro City Museum Plant specimens of Bihoro Museum The 2nd and 3rd National Survey on the Natural Environment: Vegetation Survey (common species) Herbarium of Shinshu University Plant specimens of Obihiro Centennial City Museum Vascular plant specimens of Nagano Environmental Conservation Research Institute, Nagano Prefecture Vascular plant specimens of Toyama Science Museum |