59 research outputs found

    Complete chloroplast genome sequence of Adenophora racemosa (Campanulaceae): Comparative analysis with congeneric species.

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    Adenophora racemosa, belonging to the Campanulaceae, is an important species because it is endemic to Korea. The goal of this study was to assemble and annotate the chloroplast genome of A. racemosa and compare it with published chloroplast genomes of congeneric species. The chloroplast genome was reconstructed using de novo assembly of paired-end reads generated by the Illumina MiSeq platform. The chloroplast genome size of A. racemosa was 169,344 bp. In total, 112 unique genes (78 protein-coding genes, 30 tRNAs, and 4 rRNAs) were identified. A Maximum likelihood (ML) tree based on 76 protein-coding genes divided the five Adenophora species into two clades, showing that A. racemosa is more closely related to Adenophora stricta than to Adenophora divaricata. The gene order and contents of the LSC region of A. racemosa were identical to those of A. divaricata and A. stricta, but the structure of the SSC and IRs was unique due to IR contraction. Nucleotide diversity (Pi) >0.05 was found in eleven regions among the three Adenophora species not included in sect. Remotiflorae and in six regions between two species (A. racemosa and A. stricta)

    The complete plastid genome sequence of Viola selkirkii Pursh ex Goldie (Violaceae)

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    Viola selkirkii, belonging to the genus Viola, has heart-shaped leaves and pale purple flowers, and it is widely distributed in the Northern Hemisphere, including Europe, North America, and Asia. In this study, the plastid genome of V. selkirkii was sequenced and phylogenetic analysis was performed on 11 Viola plastid genomes. The length of the plastid genome length of V. selkirkii was 156,774 bp, and it was identified as having a typical quadripartite structure with a large single-copy region (85,930 bp), a small single-copy region (17,982 bp), and two inverted repeat regions (26,431 bp each). A phylogenetic analysis was conducted with 77 protein-coding genes from the complete plastid genomes of 11 Viola and nine Salicaceae species; the complete plastid genome of Erythroxylum novogranatense was used as an outgroup. Viola formed a monophyletic clade, and V. selkirkii was closely related to V. ulleungdoensis. These results contribute to the clear identification of the phylogenetic position of V. selkirkii in Viola

    The complete chloroplast genome sequence of Adenophora kayasanensis Kitam. (Campanulaceae), an endemic to Korea

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    Adenophora kayasanensis Kitam., belonging to the family Campanulaceae, is an important species because it is used as a type of herbal medicine and is endemic to Korea. Here, we report the complete chloroplast genome sequence of A. kayasanensis as determine by means of Illumina high-throughput sequencing. The complete cp genome was 169,433 bp in length, containing a large single copy (LSC) of 123,110 bp and a small single copy (SSC) of 8619 bp, which were separated by a pair of 29,085 bp inverted repeats (IRs). A total of 112 unique genes were annotated, consisting of 78 protein-coding genes, 30 tRNA genes, and four rRNA genes. The overall GC content is 37.7%. A maximum-likelihood (ML) tree based on 76 protein-coding genes indicated that A. kayasanensis is closely related to Adenophora racemosa. This newly sequenced chloroplast genome will be useful to those engaged in research on the phylogenetic position of A. kayasanensis and the evolution of the genus Adenophora

    The complete chloroplast genome sequence of Campanula zangezura (Campanulaceae)

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    The complete chloroplast genome sequence of Campanula zangezura was determined by Illumina pair-end sequencing. The complete cp genome was 166,331 bp in length, containing a large single-copy (LSC) region of 100,034 bp and a small single-copy (SSC) region of 7781 bp, which were separated by a pair of 29,258 bp inverted repeats (IRs). A total of 113 unique genes were annotated, including 79 protein-coding genes, 30 tRNA genes, and 4 rRNA genes. Among these genes, 17 genes contained one or two introns. The ML tree based on 74 protein-coding genes showed that C. zangezura formed a sister to the Campanula punctata and Campanula takesimana clade

    Complete mitochondrial genome of a Korean endemic freshwater mussel Nodularia breviconcha (Bivalvia: Unionidae)

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    Mitochondrial genome sequences were first determined and analyzed for a Korean endemic freshwater mussel Nodularia breviconcha (synonym Nodularia douglasiae sinuolatus; Unionidae, Unionida, Bivalvia). The complete mitochondrial genome was 15,741 bp in length, including 13 protein-coding genes (PCGs), 22 tRNA genes, and 2 rRNA genes. The overall GC content of mitochondrial genome for N. breviconcha was 34.3%. Phylogenetic analysis of 18 species within the family Unionidae suggested that Nodularia douglasiae is the most closely related to N. breviconcha. Our study will provide baseline, but important information for future research on ecological and genetic/genomic characteristics of this species

    The complete chloroplast genome sequence of Viola japonica (Violaceae)

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    We determined the complete chloroplast genome sequence of Viola japonica using Illumina pair-end sequencing data. The whole chloroplast genome was 156,504 bp in length, consisting of a pair of inverted repeats (IR) of 26,427 bp, a large single-copy (LSC) region of 85,647 bp, and a small single-copy (SSC) region of 18,003 bp. The gene contents and order were exactly the same as published five Violaceae plastomes. A total of 111 unique genes were annotated, including 77 protein-coding genes, 30 tRNAs, and 4 rRNAs. Among the annotated genes, 16 genes contained one or two introns. The ML tree showed that V. japonica formed a clade with Viola seoulensis

    Complete mitochondrial genome of Macromia manchurica Asahina, 1964 (Odonata: Macromiidae)

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    We describe the first time sequencing and assembly of the complete mitochondrial genome of Macromia manchurica Asahina, 1964 (Odonata; Macromiidae; Macromia). The mitochondrial genome of M. manchurica was found to be 15,560 bp. It contains thirteen protein-coding genes (PCGs), 22 transfer RNAs (tRNAs), two ribosomal RNAs (rRNAs), and AT-rich region. The overall base composition of A. japonicus is A-38.6%, C-17.0%, G-12.5%, and T-31.9%. A phylogenetic analysis of 14 species within the order Odonata and order Ephemeroptera suggested that Macromia amphigena is most closely related to M. manchurica

    Phylogenetic tree reconstruction based on 76 protein coding genes using the ML.

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    <p>Bootstrap values are shown below the clades, and Bayesian posterior probabilities are shown above the clades.</p
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