ArticleThe New phytologist2019
Lycophyte plastid genomics: extreme variation in GC, gene and intron content and multiple inversions between a direct and inverted orientation of the rRNA repeat.
Article in The New phytologist, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed, 69 citations in OpenAlex.
- Article
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- Chloroplast genome comparison of Valeriana species with sequence variation, selective pressure, and divergence analysis.PloS one · 2026Article
- Variation of and associations with the depth and evenness of sequencing coverage in archived plastid genomes.Scientific reports · 2025Article
- Variation of and associations with the depth and evenness of sequencing coverage in archived plastid genomes.Research square · 2025Article
- Phylogenetic Inferences and Historical Biogeography of Onocleaceae.Plants (Basel, Switzerland) · 2025Article
- Complete chloroplast genome sequencing of Pseudocodon convolvulaceus, a medicinal herb from Qinghai-Tibet Plateau in China.PloS one · 2025Article
- Extensive import of nucleus-encoded tRNAs into chloroplasts of the photosynthetic lycophyte,Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- The Possible Earliest Allopolyploidization in Tracheophytes Revealed by Phylotranscriptomics and Morphology of Selaginellaceae.Molecular biology and evolution · 2024Article
- Unprecedented variation pattern of plastid genomes and the potential role in adaptive evolution in Poales.BMC biology · 2024Article
- Phylogenomic data resolved the deep relationships of Gymnogynoideae (Selaginellaceae).Frontiers in plant science · 2024Article
- The complete chloroplast genome sequence ofMitochondrial DNA. Part B, Resources · 2024Article
- Phylogeny, character evolution, and classification of Selaginellaceae (lycophytes).Plant diversity · 2023Article
- Plastome evolution in the East Asian lobelias (Lobelioideae) using phylogenomic and comparative analyses.Frontiers in plant science · 2023Article
- The complete chloroplast genome of an Arctic lycophyte,Mitochondrial DNA. Part B, Resources · 2023Article
- Challenging the Importance of Plastid Genome Structure Conservation: New Insights From Euglenophytes.Molecular biology and evolution · 2022Article
- The complete chloroplast genome of the medical plant Huperzia crispata from the Huperziaceae family: structure, comparative analysis, and phylogenetic relationships.Molecular biology reports · 2022Article
- Article
- Structural Plastome Evolution in Holoparasitic Hydnoraceae with Special Focus on Inverted and Direct Repeats.Genome biology and evolution · 2022Article
- Molecular evolution and phylogenetic relationships of Ligusticum (Apiaceae) inferred from the whole plastome sequences.BMC ecology and evolution · 2022Article
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Authors and funding
7 authors at 5 institutions in 2 countries.
Funding
Abstract
Lycophytes are a key group for understanding vascular plant evolution. Lycophyte plastomes are highly distinct, indicating a dynamic evolutionary history, but detailed evaluation is hindered by the limited availability of sequences. Eight diverse plastomes were sequenced to assess variation in structure and functional content across lycophytes. Lycopodiaceae plastomes have remained largely unchanged compared with the common ancestor of land plants, whereas plastome evolution in Isoetes and especially Selaginella is highly dynamic. Selaginella plastomes have the highest GC content and fewest genes and introns of any photosynthetic land plant. Uniquely, the canonical inverted repeat was converted into a direct repeat (DR) via large-scale inversion in some Selaginella species. Ancestral reconstruction identified additional putative transitions between an inverted and DR orientation in Selaginella and Isoetes plastomes. A DR orientation does not disrupt the activity of copy-dependent repair to suppress substitution rates within repeats. Lycophyte plastomes include the most archaic examples among vascular plants and the most reconfigured among land plants. These evolutionary trends correlate with the mitochondrial genome, suggesting shared underlying mechanisms. Copy-dependent repair for DR-localized genes indicates that recombination and gene conversion are not inhibited by the DR orientation. Gene relocation in lycophyte plastomes occurs via overlapping inversions rather than transposase/recombinase-mediated processes.
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