ArticlePlant biotechnology journal2023
Sequencing of Camelina neglecta, a diploid progenitor of the hexaploid oilseed Camelina sativa.
Article in Plant biotechnology journal, 2023. 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.
- A fourth subgenome of the Camelina genus reveals gene dominance is influenced by chromosomal proximity.Nature communications · 2026Article
- Chromosome fusions shaped karyotype evolution and evolutionary relationships in the model family Brassicaceae.Nature communications · 2025Article
- Genome-wide identification and diversity of FAD2, FAD3 and FAE1 genes in terms of biotechnological importance in Camelina species.BMC biotechnology · 2024Article
- Exploring genetic diversity, population structure, and subgenome differences in the allopolyploidHorticulture research · 2024Article
- Chromosome-level assembly and analysis of Camelina neglecta: a novel diploid model for Camelina biotechnology research.Biotechnology for biofuels and bioproducts · 2024Article
- Mapping QTL for vernalization requirement identified adaptive divergence of the candidate gene Flowering Locus C in polyploid Camelina sativa.The plant genome · 2023Article
- Overcoming genetic paucity ofFrontiers in plant science · 2023Review
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9 authors.
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Abstract
Camelina neglecta is a diploid species from the genus Camelina, which includes the versatile oilseed Camelina sativa. These species are closely related to Arabidopsis thaliana and the economically important Brassica crop species, making this genus a useful platform to dissect traits of agronomic importance while providing a tool to study the evolution of polyploids. A highly contiguous chromosome-level genome sequence of C. neglecta with an N50 size of 29.1 Mb was generated utilizing Pacific Biosciences (PacBio, Menlo Park, CA) long-read sequencing followed by chromosome conformation phasing. Comparison of the genome with that of C. sativa shows remarkable coincidence with subgenome 1 of the hexaploid, with only one major chromosomal rearrangement separating the two. Synonymous substitution rate analysis of the predicted 34 061 genes suggested subgenome 1 of C. sativa directly descended from C. neglecta around 1.2 mya. Higher functional divergence of genes in the hexaploid as evidenced by the greater number of unique orthogroups, and differential composition of resistant gene analogs, might suggest an immediate adaptation strategy after genome merger. The absence of genome bias in gene fractionation among the subgenomes of C. sativa in comparison with C. neglecta, and the complete lack of fractionation of meiosis-specific genes attests to the neopolyploid status of C. sativa. The assembled genome will provide a tool to further study genome evolution processes in the Camelina genus and potentially allow for the identification and exploitation of novel variation for Camelina crop improvement.
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