ArticleScientific reports2017
Inferring the evolutionary mechanism of the chloroplast genome size by comparing whole-chloroplast genome sequences in seed plants.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 92 papers.
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92 citing papers in PubMed.
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- Structural and phylogenetic insights from complete chloroplast genomes of seven Vicia species.PloS one · 2026Article
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- Comparative chloroplast genomics of Teucrium species reveals genome evolution, phylogenetic relationships, and candidate molecular markers.Scientific reports · 2025Article
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- Chloroplast genome analysis of Dendrocalamus × mutatus and its implications for bamboo classification.BMC plant biology · 2025Article
- Comparative Chloroplast Genomics of Ten Collabieae Species Including Three Novel Genomes.Genes · 2025Article
- Comparative plastomes of fiveAoB PLANTS · 2025Article
- Complete Chloroplast genome of Mentha aquatica reveals hypervariable regions and resolves phylogenetic position within the genus Mentha.Molecular biology reports · 2025Article
- Plastid genomic features and phylogenetic placement in Rosa (Rosaceae) through comparative analysis.BMC plant biology · 2025Article
- Decoding the chloroplast genomes of five Iranian Salvia species: insights into genomic structure, phylogenetic relationships, and molecular marker development.BMC genomics · 2025Article
- Comparative Analysis of Plastomes ofGenes · 2025Article
32 more citing papers are in PubMed but not listed here.
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12 authors.
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Abstract
The chloroplast genome originated from photosynthetic organisms and has retained the core genes that mainly encode components of photosynthesis. However, the causes of variations in chloroplast genome size in seed plants have only been thoroughly analyzed within small subsets of spermatophytes. In this study, we conducted the first comparative analysis on a large scale to examine the relationship between sequence characteristics and genome size in 272 seed plants based on cross-species and phylogenetic signal analysis. Our results showed that inverted repeat regions, large or small single copies, intergenic regions, and gene number can be attributed to the variations in chloroplast genome size among closely related species. However, chloroplast gene length underwent evolution affecting chloroplast genome size in seed plants irrespective of whether phylogenetic information was incorporated. Among chloroplast genes, atpA, accD and ycf1 account for 13% of the variation in genome size, and the average Ka/Ks values of homologous pairs of the three genes are larger than 1. The relationship between chloroplast genome size and gene length might be affected by selection during the evolution of spermatophytes. The variation in chloroplast genome size may influence energy generation and ecological strategy in seed plants.
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