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Characterisation of the complete chloroplast genome of Fortunella Crassifolia Swingle and phylogenetic relationships.

ABSTRACT: In this study, we reported the complete chloroplast genome of Fortunella crassifolia Swingle using the HiSeq-4000 sequencing. The chloroplast genome size is 160,229?bp, which consists of a large single-copy region (87,774?bp), a small single-copy region (18,721?bp), and a pair of IR regions (26,867?bp). The chloroplast genome contains 114 unique genes, including 80 protein-coding genes, 30 tRNAs, and 4 rRNAs. Phylogenetic maximum likelihood analysis showed that F. crassifolia was closest to Hongkong kumquat (F. hindsii). The complete chloroplast genome would be subsequently used for citrus species researches.

SUBMITTER: Wu JW

PROVIDER: S-EPMC7707195 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Characterisation of the complete chloroplast genome of Fortunella Crassifolia Swingle and phylogenetic relationships.

Wu Jun-Wei JW Liu Fan F Tian Na N Liu Jia-Peng JP Shi Xiao-Bao XB Bei Xue-Jun XJ Cheng Chun-Zhen CZ

Mitochondrial DNA. Part B, Resources 20191012 2

In this study, we reported the complete chloroplast genome of Fortunella crassifolia Swingle using the HiSeq-4000 sequencing. The chloroplast genome size is 160,229 bp, which consists of a large single-copy region (87,774 bp), a small single-copy region (18,721 bp), and a pair of IR regions (26,867 bp). The chloroplast genome contains 114 unique genes, including 80 protein-coding genes, 30 tRNAs, and 4 rRNAs. Phylogenetic maximum likelihood analysis showed that F. crassifolia was c ...[more]

PMID: 33366075

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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.

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Characterisation of the complete chloroplast genome of Fortunella Crassifolia Swingle and phylogenetic relationships.

Publications

Characterisation of the complete chloroplast genome of <i>Fortunella Crassifolia</i> Swingle and phylogenetic relationships.

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