Genomic polyploidy is prevalent in the plant kingdom, giving rise to dominant and recessive subgenomes. We show that the recessive subgenomes of the pitcher plant Nepenthes gracilis had a crucial role in the acquisition of novel genes with species-specific function such as dioecy and carnivory.
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References
Cheng, F. et al. Gene retention, fractionation and subgenome differences in polyploid plants. Nat. Plants 4, 258–268 (2018). A Review article that presents an overview of polyploidy and subgenome dominance in plant evolution.
Hedrich, R. & Fukushima, K. On the origin of carnivory: molecular physiology and evolution of plants on an animal diet. Annu. Rev. Plant Biol. 72, 133–153 (2021). A Review article that presents insights into the molecular and evolutionary aspects of carnivorous plants.
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This is a summary of: Saul, F. et al. Subgenome dominance shapes novel gene evolution in the decaploid pitcher plant Nepenthes gracilis. Nat. Plants https://doi.org/10.1038/s41477-023-01562-2 (2023).
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A decaploid pitcher plant genome reveals a novel role for recessive subgenomes. Nat. Plants 9, 1950–1951 (2023). https://doi.org/10.1038/s41477-023-01563-1
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DOI: https://doi.org/10.1038/s41477-023-01563-1
