ArticlePloS one2023
Characterization and comparative analysis of the complete plastid genomes of four Astragalus species.
Article in PloS one, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed, 10 citations in OpenAlex.
- Article
- Comparative plastome analysis and plastomic phylogeny of Moraceae with expanded species-level sampling.BMC plant biology · 2026Article
- A Comprehensive Comparative Analysis and Phylogenetic Investigation of the Chloroplast Genome Sequences in FourCurrent issues in molecular biology · 2025Article
- Molecular Insights into the Diversification and Biogeographic History of SixPlants (Basel, Switzerland) · 2025Article
- Complete Chloroplast genome of Mentha aquatica reveals hypervariable regions and resolves phylogenetic position within the genus Mentha.Molecular biology reports · 2025Article
- Morphological and phylogenetic analysis approach to three new species and a new section ofPhytoKeys · 2025Article
- Comparative chloroplast genome analyses ofFrontiers in plant science · 2025Article
- Characterization and phylogenetic analysis of the first complete mitochondrial genome sequence of threeFrontiers in plant science · 2025Article
- Chloroplast genomes of Simarouba Aubl., molecular evolution and comparative analyses within Sapindales.Scientific reports · 2024Article
- Comparative Chloroplast Genomics of 21 Species in Zingiberales with Implications for Their Phylogenetic Relationships and Molecular Dating.International journal of molecular sciences · 2023Article
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Authors and funding
3 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Astragalus is the largest flowering plant genus. We assembled the plastid genomes of four Astragalus species (Astragalus iranicus, A. macropelmatus, A. mesoleios, A. odoratus) using next-generation sequencing and analyzed their plastomes including genome organization, codon usage, nucleotide diversity, prediction of RNA editing and etc. The total length of the newly sequenced Astragalus plastomes ranged from 121,050 bp to 123,622 bp, with 110 genes comprising 76 protein-coding genes, 30 transfer RNA (tRNA) genes and four ribosome RNA (rRNA) genes. Comparative analysis of the chloroplast genomes of Astragalus revealed several hypervariable regions comprising three non-coding sites (trnQ(UUG)-accD, rps7 -trnV(GAC) and trnR(ACG)-trnN(GUU)) and four protein-coding genes (ycf1, ycf2, accD and clpP), which have potential as molecular markers. Positive selection signatures were found in five genes in Astragalus species including rps11, rps15, accD, clpP and ycf1. The newly sequenced species, A. macropelmatus, has an approximately 13-kb inversion in IR region. Phylogenetic analysis based on 75 protein-coding gene sequences confirmed that Astragalus form a monophyletic clade within the tribe Galegeae and Oxytropis is sister group to the Coluteoid clade. The results of this study may helpful in elucidating the chloroplast genome structure, understanding the evolutionary dynamics at genus Astragalus and IRLC levels and investigating the phylogenetic relationships. Moreover, the newly plastid genomes sequenced have been increased the plastome data resources on Astragalus that can be useful in further phylogenomic studies.
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