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The complete chloroplast genome sequence of Gentiana atropurpurea and phylogenetic analysis.

ABSTRACT: Gentiana atropurpurea is an annual herb belonging to section Microsperma T.N. Ho series Suborbisepalae Marquand. This species is endemic to China with its distribution limited to the southeast of the QTP. In this study, the complete chloroplast genome sequence of G. atropurpurea was characterized from Illumina pair-end sequencing. The chloroplast genome of G. atropurpurea was 145,757 bp in length, containing a large single-copy region (LSC) of 78,287 bp, a small single-copy region (SSC) of 16,750 bp, and two inverted repeat (IR) regions of 25,360 bp. The overall GC content is 37.90%, while the corresponding values of the LSC, SSC, and IR regions are 35.8, 31.7, and 43.4%, respectively. The genome contains 132 complete genes, including 86 protein-coding genes (62 protein-coding gene species), 37 tRNA genes (29 tRNA species), and eight rRNA genes (four rRNA species). Phylogenetic analysis based on complete chloroplast genomes showed that G. atropurpurea and G. tongolensis clustered together as sisters to other related species.

SUBMITTER: Liu C

PROVIDER: S-EPMC7894461 | biostudies-literature |

REPOSITORIES: biostudies-literature

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