ArticleBMC genomics2015
Plastome organization and evolution of chloroplast genes in Cardamine species adapted to contrasting habitats.
Article in BMC genomics, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 70 papers.
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70 citing papers in PubMed, 131 citations in OpenAlex.
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- Complex plastome structural variation caused by intermolecular and intramolecular recombination accounts for leaf variegation inPlant diversity · 2026Article
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- Plastomic studies inform the mechanisms of edaphic adaptation in North American species in the tribe Thelypodieae (Brassicaceae).American journal of botany · 2025Article
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- Phylogeny and evolutionary dynamics of the Rubia genus based on the chloroplast genome of Rubia tibetica.Scientific reports · 2025Article
- The complete chloroplast genomes ofMitochondrial DNA. Part B, Resources · 2025Article
- Chloroplast genomic diversity in eleven Pennisetum species.Frontiers in genetics · 2025Article
- Comparative Analysis of the Chloroplast Genomes of theInternational journal of molecular sciences · 2024Article
- Intraspecific Differentiation ofGenes · 2024Article
- Complete chloroplast genome structural characterization of two Aerides (Orchidaceae) species with a focus on phylogenetic position of Aerides flabellata.BMC genomics · 2024Article
- Comparative plastome analysis of the sister genera Ceratocephala and Myosurus (Ranunculaceae) reveals signals of adaptive evolution to arid and aquatic environments.BMC plant biology · 2024Article
- Chloroplast Genome Provides Insights into Molecular Evolution and Species Relationship of Fleabanes (Plants (Basel, Switzerland) · 2024Article
- Comparative Analysis of Chloroplast Genome ofInternational journal of molecular sciences · 2024Article
- Characterization of the complete plastome sequence of Korean endemic,Mitochondrial DNA. Part B, Resources · 2024Article
10 more citing papers are in PubMed but not listed here.
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8 authors at 1 institution in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundPlastid genomes, also known as plastomes, are shaped by the selective forces acting on the fundamental cellular functions they code for and thus they are expected to preserve signatures of the adaptive path undertaken by different plant species during evolution. To identify molecular signatures of positive selection associated to adaptation to contrasting ecological niches, we sequenced with Solexa technology the plastomes of two congeneric Brassicaceae species with different habitat preference, Cardamine resedifolia and Cardamine impatiens.
resultsFollowing in-depth characterization of plastome organization, repeat patterns and gene space, the comparison of the newly sequenced plastomes between each other and with 15 fully sequenced Brassicaceae plastomes publically available in GenBank uncovered dynamic variation of the IR boundaries in the Cardamine lineage. We further detected signatures of positive selection in ten of the 75 protein-coding genes of the examined plastomes, identifying a range of chloroplast functions putatively involved in adaptive processes within the family. For instance, the three residues found to be under positive selection in RUBISCO could possibly be involved in the modulation of RUBISCO aggregation/activation and enzymatic specificty in Brassicaceae. In addition, our results points to differential evolutionary rates in Cardamine plastomes.
conclusionsOverall our results support the existence of wider signatures of positive selection in the plastome of C. resedifolia, possibly as a consequence of adaptation to high altitude environments. We further provide a first characterization of the selective patterns shaping the Brassicaceae plastomes, which could help elucidate the driving forces underlying adaptation and evolution in this important plant family.
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