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The complete chloroplast genome of Phlegmariurus phlegmaria, one representative species of genus Phlegmariurus.

ABSTRACT: Phlegmariurus (Herter) Holub is the largest genus of Lycopodiaceae, with about 250 species distributed in the tropics and subtropics of the world. Phlegmariurus phlegmaria is the representative species of Phlegmariurus. In this study, we reported the complete chloroplast genome of P. phlegmaria. This complete chloroplast genome is 1,49,711 bp in size. In total, 134 genes were identified, including 84 protein-coding genes, 42 tRNA genes, and eight rRNA genes. In phylogenetic analysis, a close relationship with genus Huperzia was supported by maximum-likelihood (ML) tree. The complete plastome of P. phlegmaria will provide potential genetic resources to understand the evolution of lycophytes.

SUBMITTER: Tang LM

PROVIDER: S-EPMC7782255 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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The complete chloroplast genome of Phlegmariurus phlegmaria, one representative species of genus Phlegmariurus.

Tang Li-Ming LM Jiang Ri-Hong RH An Jia-Cheng JC

Mitochondrial DNA. Part B, Resources 20200929 3

Phlegmariurus (Herter) Holub is the largest genus of Lycopodiaceae, with about 250 species distributed in the tropics and subtropics of the world. Phlegmariurus phlegmaria is the representative species of Phlegmariurus. In this study, we reported the complete chloroplast genome of P. phlegmaria. This complete chloroplast genome is 1,49,711 bp in size. In total, 134 genes were identified, including 84 protein-coding genes, 42 tRNA genes, and eight rRNA genes. In phylog ...[more]

PMID: 33458191

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Project description:BackgroundCymbidium orchids, including some 50 species, are the famous flowers, and they possess high commercial value in the floricultural industry. Furthermore, the values of different orchids are great differences. However, species identification is very difficult. To a certain degree, chloroplast DNA sequence data are a versatile tool for species identification and phylogenetic implications in plants. Different chloroplast loci have been utilized for evaluating phylogenetic relationships at each classification level among plant species, including at the interspecies and intraspecies levels. However, there is no evidence that a short sequence can distinguish all plant species from each other in order to infer phylogenetic relationships. Molecular markers derived from the complete chloroplast genome can provide effective tools for species identification and phylogenetic resolution.ResultsThe complete nucleotide sequences of eight individuals from a total of five Cymbidium species' chloroplast (cp) genomes were determined using Illumina sequencing technology of the total DNA via a combination of de novo and reference-guided assembly. The length of the Cymbidium cp genome is about 155 kb. The cp genomes contain 123 unique genes, and the IR regions contain 24 duplicates. Although the genomes, including genome structure, gene order and orientation, are similar to those of other orchids, they are not evolutionarily conservative. The cp genome of Cymbidium evolved moderately with more than 3% sequence divergence, which could provide enough information for phylogeny. Rapidly evolving chloroplast genome regions were identified and 11 new divergence hotspot regions were disclosed for further phylogenetic study and species identification in Orchidaceae.ConclusionsPhylogenomic analyses were conducted using 10 complete chloroplast genomes from seven orchid species. These data accurately identified the individuals and established the phylogenetic relationships between the species. The results reveal that phylogenomics based on organelle genome sequencing lights the species identification-organelle-scale "barcodes", and is also an effective approach for studying whole populations and phylogenetic characteristics of Cymbidium.

Dataset Information

The complete chloroplast genome of Phlegmariurus phlegmaria, one representative species of genus Phlegmariurus.

Publications

The complete chloroplast genome of <i>Phlegmariurus phlegmaria</i>, one representative species of genus <i>Phlegmariurus</i>.

Similar Datasets

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