ArticleBMC plant biology2020
Complete plastome sequencing resolves taxonomic relationships among species of Calligonum L. (Polygonaceae) in China.
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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31 citing papers in PubMed, 79 citations in OpenAlex.
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- DNA barcodes analyses provide insights into species delineation and possible cryptic species in Amentotaxus (Taxaceae).BMC plant biology · 2026Article
- Integrative chloroplast genomics of Polygonaceae: evolutionary dynamics, codon optimization, and phylogenetic resolution.BMC plant biology · 2026Article
- High species discrimination inPlant diversity · 2025Article
- Glycyrrhiza plastid paternal inheritance and a new DNA barcode provide new strategies for molecular identification of three medicinal licorice hybrid complexes.BMC plant biology · 2025Article
- The multi-chromosomal structure of mitogenomes provided new insights into the accurate authentication of medicinal Dendrobium species.BMC plant biology · 2025Article
- Exploring the plastome diversity of fifteen centuries-old olive trees (Frontiers in plant science · 2025Article
- Skmer approach improves species discrimination in taxonomically problematic genusPlant diversity · 2024Article
- Testing plastomes and nuclear ribosomal DNA sequences as the next-generation DNA barcodes for species identification and phylogenetic analysis in Acer.BMC plant biology · 2024Article
- Phylogenetic relationships, selective pressure and molecular markers development of six species in subfamily Polygonoideae based on complete chloroplast genomes.Scientific reports · 2024Article
- A comparative analysis of chloroplast genomes revealed the chloroplast heteroplasmy ofFrontiers in pharmacology · 2024Article
- Seed protein biotyping in Amaranthus species: a tool for rapid identification of weedy amaranths of concern.Plant methods · 2023Article
- Complete plastid genome structure of 13 Asian Justicia (Acanthaceae) species: comparative genomics and phylogenetic analyses.BMC plant biology · 2023Article
- The First Complete Chloroplast Genome ofGenes · 2023Article
- Characteristics of plastid genomes in the genus Ceratostigma inhabiting arid habitats in China and their phylogenomic implications.BMC plant biology · 2023Article
- The Complete Chloroplast Genomes ofGenes · 2023Article
- Phylogenomics, phylogeography and germplasms authentication of the Rheum palmatum complex based on complete chloroplast genomes.Journal of plant research · 2023Article
- Comparative analysis of complete Artemisia subgenus Seriphidium (Asteraceae: Anthemideae) chloroplast genomes: insights into structural divergence and phylogenetic relationships.BMC plant biology · 2023Article
- Genetic markers in AndeanEcology and evolution · 2022Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
Abstract
backgroundCalligonum (Polygonaceae) is distributed from southern Europe through northern Africa to central Asia, and is typically found in arid, desert regions. Previous studies have revealed that standard DNA barcodes fail to discriminate Calligonum species. In this study, the complete plastid genomes (plastome) for 32 accessions of 21 Calligonum species is sequenced to not only generate the first complete plastome sequence for the genus Calligonum but to also 1) Assess the ability of the complete plastome sequence to discern species within the group, and 2) screen the plastome sequence for a cost-effective DNA barcode that can be used in future studies to resolve taxonomic relationships within the group.
resultsThe whole plastomes of Calligonum species possess a typical quadripartite structure. The size of the Calligonum plastome is approximately 161 kilobase pairs (kbp), and encodes 113 genes, including 79 protein-coding genes, 30 tRNA genes, and four rRNA genes. Based on ML phylogenetic tree analyses, the complete plastome has higher species identification (78%) than combinations of standard DNA barcodes (rbcL + matK + nrITS, 56%). Five newly screened gene regions (ndhF, trnS-G, trnC-petN, ndhF-rpl32, rpl32-trnL) had high species resolution, where ndhF and trnS-G were able to distinguish the highest proportion of Calligonum species (56%).
conclusionsThe entire plastid genome was the most effective barcode for the genus Calligonum, although other gene regions showed great potential as taxon-specific barcodes for species identification in Calligonum.
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