ArticleBMC genomics2020
An updated explanation of ancestral karyotype changes and reconstruction of evolutionary trajectories to form Camelina sativa chromosomes.
Article in BMC genomics, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 14 citations in OpenAlex.
- Chromosome fusions shaped karyotype evolution and evolutionary relationships in the model family Brassicaceae.Nature communications · 2025Article
- Phylogenomic analysis reveals exceptions to the co-evolution of ZAR1 and ZRK immune gene families in plants.BMC plant biology · 2025Article
- Exploring genetic diversity, population structure, and subgenome differences in the allopolyploidHorticulture research · 2024Article
- Genome-wide identification and evolution of the tubulin gene family in Camelina sativa.BMC genomics · 2024Article
- Chromosome-level assembly and analysis of Camelina neglecta: a novel diploid model for Camelina biotechnology research.Biotechnology for biofuels and bioproducts · 2024Article
- Overcoming genetic paucity ofFrontiers in plant science · 2023Review
- An intelligent recognition method of chromosome rearrangement patterns based on information entropy.Scientific reports · 2022Article
Corrections and comments
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundBelonging to lineage I of Brassicaceae, Camelina sativa is formed by two hybridizations of three species (three sub-genomes). The three sub-genomes were diverged from a common ancestor, likely derived from lineage I (Ancestral Crucifer karyotype, ACK). The karyotype evolutionary trajectories of the C. sativa chromosomes are currently unknown. Here, we managed to adopt a telomere-centric theory proposed previously to explain the karyotype evolution in C. sativa.
resultsBy characterizing the homology between A. lyrata and C. sativa chromosomes, we inferred ancestral diploid karyotype of C. sativa (ADK), including 7 ancestral chromosomes, and reconstructed the evolutionary trajectories leading to the formation of extant C. sativa genome. The process involved 2 chromosome fusions. We found that sub-genomes Cs-G1 and Cs-G2 may share a closer common ancestor than Cs-G3. Together with other lines of evidence from Arabidopsis, we propose that the Brassicaceae plants, even the eudicots, follow a chromosome fusion mechanism favoring end-end joining of different chromosomes, rather than a mechanism favoring the formation circular chromosomes and nested chromosome fusion preferred by the monocots.
conclusionsThe present work will contribute to understanding the formation of C. sativa chromosomes, providing insight into Brassicaceae karyotype evolution.
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