Polyploid genome assembly of Cardamine chenopodiifolia
Author Information
Author(s): A. Emonet, M. Awad, N. Tikhomirov, M. Vasilarou, M. Pérez-Antón, X. Gan, P. Y. Novikova, A. Hay
Primary Institution: Max Planck Institute for Plant Breeding Research
Hypothesis
The study aims to assemble the genome of Cardamine chenopodiifolia to understand the development and evolution of amphicarpy.
Conclusion
The genome assembly of Cardamine chenopodiifolia provides a valuable resource for studying the evolution of amphicarpy and the origin of trait novelties by allopolyploidy.
Supporting Evidence
- The genome assembly resulted in 32 chromosomes and two organelle genomes with a total length of 597.2 Mb.
- Genome completeness was estimated at 99.8%.
- The study phased the octoploid genome into four sub-genomes using orthogroup trees.
- Structural variation among homeologous chromosomes suggests an allopolyploid origin.
Takeaway
Scientists built a detailed map of the genes in a plant called Cardamine chenopodiifolia, which grows fruits both above and below ground. This helps us understand how this plant and its unique traits developed.
Methodology
The genome was assembled using high-fidelity long-read sequencing with the Pacific Biosciences platform and Omni-C technology.
Limitations
The study does not provide a detailed description of genome annotation and significant genomic features.
Digital Object Identifier (DOI)
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