The complete chloroplast genome sequence of medicinal plant: Dianthus chinensis (Caryophyllaceae).
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ABSTRACT:
SUBMITTER: Yang Z
PROVIDER: S-EPMC7872571 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Abstract Cercis chinensis is a deciduous shrub or small landscape tree with exceptional ornamental characteristics. Here, we report the complete chloroplast genome of C. chinensis to provide a foundation for further phylogenetic studies of the Leguminosae. The chloroplast (cp) genome was 158,999 bp in size containing a large single-copy (LSC) region 88,176 bp in length, a small single-copy (SSC) region 19,583 bp in length, and two inverted repeat (IR) regions that were 25,620 bp each. The total GC content of the cp genome was 42.9% with the LSC, SSC, and IR regions 36.2, 33.8, and 29.4%, respectively. The cp genome contains 129 genes, including 85 protein-coding, 36 tRNA, and 8 rRNA genes. The phylogenetic analysis revealed that C. chinensis is closely related to Cercis glabra. These results provide valuable information about the evolutionary processes and conservation genetics of C. chinensis.
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Project description:Alpinia chinensis (Retz.) Rosc is one of Chinese tradition herbal medicine and edible plant in China. In this report, we sequenced the complete chloroplast genome of A. chinensis. Through the assembly annotation of genome with high-throughput sequencing data, which help us to research the evolution. The length of chloroplast sequences was 163,590 bp with a large single-copy region (LSC) and a small single-copy region (SSC), also, two inverted repeat region A (IR), whose length was 88,951, 15,299, and 29,670 bp, respectively. A total of 138 genes were predicted in the complete chloroplast genome, with 36.4% GC content, including 93 protein-coding genes, 37 tRNA genes, and 8 rRNA genes. From the phylogenetic analysis, we could conclude that A. chinensis (Retz.) Rosc. was close to Alpinia oxyphylla in Zingiberaceae.
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Project description:Mesona chinensis is an important traditional Chinese medicine and edible plant resource in China. In this work, we sequenced the complete chloroplast genome of M. chinensis and researched its evolution. The genome size is 152,547 bp, with 37.89% GC content, including a large single copy region (LSC) of 83,482 bp, a small single copy region (SSC) of 17,725 bp and a pair of inverted repeats region (IRs) of 25,670 bp. The complete chloroplast genome was predicted to encode 131 genes, consist of 86 protein-coding genes, 37 tRNA genes and 8 rRNA genes. Phylogenetic analysis showed that M. chinensis was closely related to other Labiatae species Ocimum tenuiflorum.
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Project description:Salvia miltiorrhiza is an important medicinal plant with great economic and medicinal value. The complete chloroplast (cp) genome sequence of Salvia miltiorrhiza, the first sequenced member of the Lamiaceae family, is reported here. The genome is 151,328 bp in length and exhibits a typical quadripartite structure of the large (LSC, 82,695 bp) and small (SSC, 17,555 bp) single-copy regions, separated by a pair of inverted repeats (IRs, 25,539 bp). It contains 114 unique genes, including 80 protein-coding genes, 30 tRNAs and four rRNAs. The genome structure, gene order, GC content and codon usage are similar to the typical angiosperm cp genomes. Four forward, three inverted and seven tandem repeats were detected in the Salvia miltiorrhiza cp genome. Simple sequence repeat (SSR) analysis among the 30 asterid cp genomes revealed that most SSRs are AT-rich, which contribute to the overall AT richness of these cp genomes. Additionally, fewer SSRs are distributed in the protein-coding sequences compared to the non-coding regions, indicating an uneven distribution of SSRs within the cp genomes. Entire cp genome comparison of Salvia miltiorrhiza and three other Lamiales cp genomes showed a high degree of sequence similarity and a relatively high divergence of intergenic spacers. Sequence divergence analysis discovered the ten most divergent and ten most conserved genes as well as their length variation, which will be helpful for phylogenetic studies in asterids. Our analysis also supports that both regional and functional constraints affect gene sequence evolution. Further, phylogenetic analysis demonstrated a sister relationship between Salvia miltiorrhiza and Sesamum indicum. The complete cp genome sequence of Salvia miltiorrhiza reported in this paper will facilitate population, phylogenetic and cp genetic engineering studies of this medicinal plant.
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Project description:Sophora tonkinensis belongs to genus Sophora of the Fabaceae family. It is mainly distributed in the ridge and peak regions of limestone areas in western China and has high medicinal value and important ecological functions. Wild populations of S. tonkinensis are in danger and need urgent conservation. Furthermore, wild S. tonkinensis resources are very limited relative to the needs of the market, and many adulterants are present on the market. Therefore, a method for authenticating S. tonkinensis and its adulterants at the molecular level is needed. Chloroplast genomes are valuable sources of genetic markers for phylogenetic analyses, genetic diversity evaluation, and plant molecular identification. In this study, we report the complete chloroplast genome of S. tonkinensis. The circular complete chloroplast genome was 154,644 bp in length, containing an 85,810 bp long single-copy (LSC) region, an 18,321 bp short single-copy (SSC) region and two inverted repeat (IR) regions of 50,513 bp. The S. tonkinensis chloroplast genome comprised 129 genes, including 83 protein-coding genes, 38 transfer RNA (tRNA) genes, and 8 ribosomal RNA (rRNA) genes. The structure, gene order and guanine and cytosine (GC) content of the S. tonkinensis chloroplast genome were similar to those of the Sophora alopecuroides and Sophora flavescens chloroplast genomes. A total of 1,760 simple sequence repeats (SSRs) were identified in the chloroplast genome of S. tonkinensis, and most of them (93.1%) were mononucleotides. Moreover, the identified SSRs were mainly distributed in the LSC region, accounting for 60% of the total number of SSRs, while 316 (18%) and 383 (22%) were located in the SSC and IR regions, respectively. Only one complete copy of the rpl2 gene was present at the LSC/IRB boundary, while another copy was absent from the IRA region because of the incomplete structure caused by IR region expansion and contraction. The phylogenetic analysis placed S. tonkinensis in Papilionoideae, sister to S. flavescens, and the genera Sophora and Ammopiptanthus were closely related. The complete genome sequencing and chloroplast genome comparative analysis of S. tonkinensis and its closely related species presented in this paper will help formulate effective conservation and management strategies as well as molecular identification approaches for this important medicinal plant.
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Project description:We report the complete chloroplast genome sequence of Gynostemma pentaphyllum, a well-known traditional Chinese medicine, which produces triterpenoid saponins similar to Panax ginseng. The assembled chloroplast genome (cpDNA) was 157,654?bp in length and structurally divided into four distinct regions, namely, large single copy region (86,794?bp), small single copy region (18,654?bp) and a pair of inverted repeat regions (26,103?bp). A total of 143 genes were annotated, including 87 protein-coding genes, 10 tRNA genes and 46 rRNA genes. Phylogenetic analysis revealed that the chloroplast genome sequence of G. pentaphyllum is most closely related to Cucumis melo.
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Project description:Selaginella involvens distributed in East Asia region including China used as traditional medicine, which is an important medicinal plant for preventing and treating asthma. The complete chloroplast genome sequence of S. involvens was characterized from Illumina pair-end sequencing. The chloroplast genome of S. involvens was 126,340 bp in length, containing a large single-copy region (LSC) of 53,214 bp, a small single-copy region (SSC) of 47,561 bp, and two inverted repeat (IR) regions of 12,796 bp. The overall GC content is 38.70%, whereas the corresponding values of the LSC, SSC, and IR regions are 36.2%, 31.9%, and 43.2%, respectively. The genome contains 80 complete genes, including 61 protein-coding genes (45 protein-coding gene species), nine tRNA genes (six tRNA species), and eight rRNA genes (four rRNA species). The Neighbour-joining phylogenetic analysis showed that S. involvens and Selaginella tamariscina clustered together as sisters to other Salvia species.
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Project description:Abstract Dracocephalum rupestre (tribe Mentheae; Lamiaceae) is a perennial herb from Korea and China with high ornamental and medicinal value. Here, we report its complete chloroplast genome to provide insight into the phylogenetic relationships of Dracocephalum. The genome is 151,230 bp long, with two inverted repeat regions (25,643 bp each) that separate a large single-copy region (82,536 bp) and a small single-copy region (17,408 bp). It contains 133 genes that encode 88 proteins, eight rRNAs, and 37 tRNAs. The maximum-likelihood phylogenetic analysis strongly supported Dracocephalum monophyly, showing that the genus forms a sister group with the subtribe Menthinae in the tribe Mentheae.
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Project description:Artemisia argyi, called wormwood, is widely distributed in northeastern Asia. The complete chloroplast genome sequence of A. argyi was generated by de novo assembly using whole genome next generation sequences. The complete chloroplast genome sequence of A. argyi is 151 192 bp in size. It is composed of a large single-copy (LSC), a small single-copy (SSC) and two inverted repeat (IR) regions of 82 930 bp, 18 344 bp and 24 959 bp, respectively. Overall GC contents of the genome were 37.46%. The A. argyi chloroplast genome has a total of 114 genes including 80 protein-coding genes, 30 tRNA genes and four rRNA genes. Phylogenetic analysis based on the chloroplast genome demonstrated that A. argyi is most closely related to Artemisia montana.
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Project description:The complete chloroplast genome sequence of Artemisia montana was characterized from Illumina pair-end sequencing. The chloroplast genome of A. montana was 151,130 bp in length, containing a large single-copy region (LSC) of 80,975 bp, a small single-copy region (SSC) of 16,011 bp, and two inverted repeat (IR) regions of 27,162 bp. The overall GC content is 30.70%, while the correponding values of the LSC, SSC, and IR regions are 64.6%, 69.2%, and 60.1%, respectively. The genome contains 131 complete genes, including 86 protein-coding genes (62 protein-coding gene species), 37 tRNA genes (29 tRNA species) and 8 rRNA genes (4 rRNA species). The Neighbour-joining phylogenetic analysis showed that A. montana and Artemisia lavandulaefolia YC clustered together as sisters to other Artemisia species.
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