ArticlePlant molecular biology2019
Chromosome level comparative analysis of Brassica genomes.
Article in Plant molecular biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed.
- A High-Continuity Genome Assembly of Chinese Flowering Cabbage (Plants (Basel, Switzerland) · 2023Article
- The final piece of the Triangle of U: Evolution of the tetraploid Brassica carinata genome.The Plant cell · 2022Article
- Draft Sequencing Crested Wheatgrass Chromosomes Identified Evolutionary Structural Changes and Genes and Facilitated the Development of SSR Markers.International journal of molecular sciences · 2022Article
- The Easter Egg Weevil (Pachyrhynchus) genome reveals syntenic patterns in Coleoptera across 200 million years of evolution.PLoS genetics · 2021Article
- Using wild relatives and related species to build climate resilience in Brassica crops.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
- Comparison of Brassica Genomes reveals asymmetrical gene retention between functional groups of genes in recurrent polyploidizations.Plant molecular biology · 2021Article
- Article
- A highly contiguous genome assembly of Brassica nigra (BB) and revised nomenclature for the pseudochromosomes.BMC genomics · 2020Article
- Improved Brassica oleracea JZS assembly reveals significant changing of LTR-RT dynamics in different morphotypes.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2020Article
- Review
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11 authors.
Funding
Abstract
key messageWe provided a chromosome-length assembly of B. nigra and show the comprehensive chromosome-scale variations among Brassica genomes. Chromosome-level assembly of the Brassica species, which include many important crops, is essential for the agricultural and evolutionary studies. While the present B. nigra chromosomes was connected with genetic map of B. juncea, hindering the comparative analysis of the B chromosomes. Here we present a chromosome-length B. nigra assembly constructed with Hi-C connections and its variations on chromosome level compared with other Brassica species. We produced an assembly of 484 Mb annotated with 51,829 genes, of which 393 Mb were anchored onto 8 chromosomes, taking 81.26% of the assembly. Comparison of the B chromosomes shows high concordance of the two B. nigra assemblies and reveals comprehensive variations of the B chromosomes after polyploidization and gene loss in syntenic regions. Chromosome blocks with variations have lower gene density and higher TE content. Furthermore, we compared the chromosomes of the three major Brassica diploids, which showed that most of the variations between B and A/C had completed before A/C divergence and there are more variations on C chromosomes after their divergence. In summary, our work presents a chromosome-length assembly of B. nigra and comprehensive comparative analysis of the Brassica chromosomes, which provides a useful reference for other studies and comprehensive information of Brassica chromosome evolution.
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