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Characterization of the complete chloroplast genome of Begonia fimbristipula (Begoniaceae).

ABSTRACT: Begonia fimbristipula is a plant of perennial flowering plants in the family Begoniaceae. In this article, the complete chloroplast genome of B. fimbristipula was studied and illustrated to add more genetic information. The chloroplast genome is 169,436 bp in length as the circular, which exhibits a large single-copy region (LSC) of 77,058 bp, a small single-copy region (SSC) of 18,128 bp, and a pair of inverted repeat regions (IRs) of 37,123 bp in each. The overall nucleotide composition of chloroplast genome is: 31.8% A, 32.6% T, 18.0% C, 17.5% G, and the total GC content 35.5%. A total of 142 genes were annotated that included 91 protein-coding genes (PCGs), 43 transfer RNA (tRNAs), and 8 ribosome RNA (rRNAs). Phylogenetic relationship shows that Begonia fimbristipula is more closely related to Begonia pulchrifolia on genetic relationships using the Maximum-Likelihood (ML) method.

SUBMITTER: Huang L

PROVIDER: S-EPMC7748561 | biostudies-literature |

REPOSITORIES: biostudies-literature

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The complete chloroplast genome sequence of begonia (Begoniaceae).

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The complete chloroplast genome and phylogenetic analysis of Begonia pulchrifolia, a near endangered Begoniaceae plant.

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Project description:Begonia (Begoniaceae) is a large, pantropically distributed genus, comprising more than 1900 species. Due to poorly available genome resources, the phylogeny of this species-rich genus is still challenged. B. coptidifolia is a newly discovered species of restricted distribution in Southern China, and its genetic relationship with the other Begonia species has not been reported. Therefore, in this study, we report for the first time its chloroplast genome for future phylogenetic analysis. The circular chloroplast genome of B. coptidifolia is 169,412 bp in length, with a GC content of 35.57%. Its large single-copy region is 75,937 bp, a small single-copy region is 18,362 bp, and two inverted repeat regions are 37,556 bp and 37,557 bp, respectively. The genome encodes 82 protein-coding genes, 8 ribosomal RNA genes, and 40 transfer RNA genes. Phylogenetic analysis indicated that B. coptidifolia is genetically closest to B. pulchrifolia.

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