Dataset Information

Phylogenetic relationships and characterization of the complete chloroplast genome of Rosa sterilis.

ABSTRACT: Rosa sterilis is an economically and important fruit that is extensively grown in Southwestern China. In this study, we determined the complete chloroplast genome of R. sterilis using high-throughput Illumina sequencing. The chloroplast genome of R. sterilis is 156,561 bp in size, containing a large single-copy region (LSC)(85,701 bp), a small single-copy region (SSC) (18,746 bp), and a pair of inverted repeat (IR) regions (each one of 26,057 bp). The overall GC content of the chloroplast genome is 37.23%, while the corresponding values of GC contents of the LSC, SSC, and IR regions are 35.20%, 31.37%, and 42.70%, respectively. The chloroplast genome of R. sterilis contains 130 genes, including 84 protein-coding genes, 37 tRNA genes, and 8 rRNA genes. The phylogenetic maximum-likelihood tree revealed that Rosa chinensis or Rosa chinensis var. spontanea is the closest related to R. sterilis in the phylogenetic relationship. This complete chloroplast genome can be further used for genomic studies, evolutionary analyses, and genetic engineering studies of the family Rosaceae.

SUBMITTER: Yan H

PROVIDER: S-EPMC8079020 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Phylogenetic relationships and characterization of the complete chloroplast genome of Rosa sterilis.

Yan Huiqing H Liu Yanjing Y Wu Zongmin Z Yi Yin Y Huang Xiaolong X

Mitochondrial DNA. Part B, Resources 20210426 4

Rosa sterilis is an economically and important fruit that is extensively grown in Southwestern China. In this study, we determined the complete chloroplast genome of R. sterilis using high-throughput Illumina sequencing. The chloroplast genome of R. sterilis is 156,561 bp in size, containing a large single-copy region (LSC)(85,701 bp), a small single-copy region (SSC) (18,746 bp), and a pair of inverted repeat (IR) regions (each one of 26,057 bp). The overall GC content of t ...[more]

PMID: 33969214

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Project description:BackgroundThe plastome of medicinal and endangered species in Kingdom of Saudi Arabia, Barleria prionitis was sequenced. The plastome was compared with that of seven Acanthoideae species in order to describe the plastome, spot the microsatellite, assess the dissimilarities within the sampled plastomes and to infer their phylogenetic relationships.ResultsThe plastome of B. prionitis was 152,217 bp in length with Guanine-Cytosine and Adenine-Thymine content of 38.3 and 61.7% respectively. It is circular and quadripartite in structure and constitute of a large single copy (LSC, 83, 772 bp), small single copy (SSC, 17, 803 bp) and a pair of inverted repeat (IRa and IRb 25, 321 bp each). 131 genes were identified in the plastome out of which 113 are unique and 18 were repeated in IR region. The genome consists of 4 rRNA, 30 tRNA and 80 protein-coding genes. The analysis of long repeat showed all types of repeats were present in the plastome and palindromic has the highest frequency. A total number of 98 SSR were also identified of which mostly were mononucleotide Adenine-Thymine and are located at the non coding regions. Comparative genomic analysis among the plastomes revealed that the pair of the inverted repeat is more conserved than the single copy region. In addition high variation is observed in the intergenic spacer region than the coding region. The genes, ycf1and ndhF and are located at the border junction of the small single copy region and IRb region of all the plastome. The analysis of sequence divergence in the protein coding genes indicates that the following genes undergo positive selection (atpF, petD, psbZ, rpl20, petB, rpl16, rps16, rpoC, rps7, rpl32 and ycf3). Phylogenetic analysis indicated sister relationship between Ruellieae and Justcieae. In addition, Barleria, Justicia and Ruellia are paraphyletic, suggesting that Justiceae, Ruellieae, Andrographideae and Barlerieae should be treated as tribes.ConclusionsThis study sequenced and assembled the first plastome of the taxon Barleria and reported the basics resources for evolutionary studies of B. prionitis and tools for phylogenetic relationship studies within the core Acanthaceae.

Dataset Information

Phylogenetic relationships and characterization of the complete chloroplast genome of Rosa sterilis.

Publications

Phylogenetic relationships and characterization of the complete chloroplast genome of <i>Rosa sterilis</i>.

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