ArticleJournal of molecular evolution2008
Extensive rearrangements in the chloroplast genome of Trachelium caeruleum are associated with repeats and tRNA genes.
Article in Journal of molecular evolution, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 168 papers.
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168 citing papers in PubMed, 300 citations in OpenAlex.
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- Repeated loss of plastid NDH during evolution of land plants.Annals of botany · 2026Review
- Selective regime shifts and intracellular gene transfer in the organellar genomes of the mycoheterotrophic orchidFrontiers in plant science · 2026Article
- Patterns of plastid gene evolution: identifying candidate genes for plastid-nuclear incompatibility across the Campanulaceae.Frontiers in plant science · 2026Article
- Comparative chloroplast genomes of Sophora species: identification of variable DNA markers and phylogenetic relationships within the genus.BMC plant biology · 2025Article
- Beyond conservation: the landscape of chloroplast genome rearrangements in angiosperms.The New phytologist · 2025Review
- Substantial structural variation and repetitive DNA content contribute to intraspecific plastid genome evolution.BMC genomics · 2025Article
- Revisiting Phryma leptostachya L.: phylogenetic relationships and biogeographical patterns from complete plastome.BMC plant biology · 2025Article
- Sixteen New Complete Plastid Genomes in the Tribe Loteae (Leguminosae): Structure and Phylogenetic Analysis.Plants (Basel, Switzerland) · 2025Article
- Chloroplast genomic insights into adaptive evolution and rapid radiation in the genus Passiflora (Passifloraceae).BMC plant biology · 2025Article
- Exploring Structural Plastome Evolution in Asterales: Insights from Off-Target Hybrid Enrichment Data on the Small Single-Copy Region.Journal of molecular evolution · 2025Article
- Dispersed repeats and inverted repeat expansion drive major plastomic rearrangements inFrontiers in plant science · 2025Article
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- Variations and reduction of plastome are associated with the evolution of parasitism in Convolvulaceae.Plant molecular biology · 2024Article
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- Leaf variegation caused by plastome structural variation: an example fromHorticulture research · 2024Article
- Extreme Reconfiguration of Plastid Genomes in Papaveraceae: Rearrangements, Gene Loss, Pseudogenization, IR Expansion, and Repeats.International journal of molecular sciences · 2024Article
- Chloroplast genome analyses of Caragana arborescens and Caragana opulens.BMC genomic data · 2024Article
- Phylogenetic position and plastid genome structure ofFrontiers in plant science · 2024Article
108 more citing papers are in PubMed but not listed here.
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4 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Chloroplast genome organization, gene order, and content are highly conserved among land plants. We sequenced the chloroplast genome of Trachelium caeruleum L. (Campanulaceae), a member of an angiosperm family known for highly rearranged genomes. The total genome size is 162,321 bp, with an inverted repeat (IR) of 27,273 bp, large single-copy (LSC) region of 100,114 bp, and small single-copy (SSC) region of 7,661 bp. The genome encodes 112 different genes, with 17 duplicated in the IR, a tRNA gene (trnI-cau) duplicated once in the LSC region, and a protein-coding gene (psbJ) with two duplicate copies, for a total of 132 putatively intact genes. ndhK may be a pseudogene with internal stop codons, and clpP, ycf1, and ycf2 are so highly diverged that they also may be pseudogenes. ycf15, rpl23, infA, and accD are truncated and likely nonfunctional. The most conspicuous feature of the Trachelium genome is the presence of 18 internally unrearranged blocks of genes inverted or relocated within the genome relative to the ancestral gene order of angiosperm chloroplast genomes. Recombination between repeats or tRNA genes has been suggested as a mechanism of chloroplast genome rearrangements. The Trachelium chloroplast genome shares with Pelargonium and Jasminum both a higher number of repeats and larger repeated sequences in comparison to eight other angiosperm chloroplast genomes, and these are concentrated near rearrangement endpoints. Genes for tRNAs occur at many but not all inversion endpoints, so some combination of repeats and tRNA genes may have mediated these rearrangements.
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