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The complete chloroplast genome sequence of Begonia versicolor Irmsch. (Begoniaceae).

ABSTRACT: Begonia versicolor (Code: MK434325) is a perennial plant with unique and precious ornamental value, exhibiting gorgeous leaf morphology and graceful flowers, therefore, it is popular with many horticulturalists and plant hobbyist. The complete chloroplast genome of B. versicolor were reported in this article. It had a typical quarter structure as a circular of 169,506 bp, composed by a large single-copy region (LSC, 75,868 bp), a small single-copy region (SSC, 18,290 bp), and two inverted repeats (IRs, 75,258 bp each). Genome annotations showed that it contained total 185 genes, including 133 protein coding genes (PCGs), 44 transfer RNA (tRNAs), and 8 ribosome RNA (rRNAs). The percentage of total GC content was 35.57%. Phylogenetic analysis suggested that Begoniaceae was closely related to Cucurbitaceae family.

SUBMITTER: Zhou S

PROVIDER: S-EPMC7510618 | biostudies-literature |

REPOSITORIES: biostudies-literature

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The complete chloroplast genome sequence of Begonia arachnoidea (Begoniaceae)

Project description:Abstract There are more than 2035 Begonia species (Begoniaceae) reported currently in the world. Begonia arachnoidea was found as a new species within a small area in Southern China. In this study, we are reporting for the first time its chloroplast genome for the purpose to compare with the chloroplast genomic data from other plant taxa which were closely related to this new species. Our results show that the circular chloroplast genome of B. arachnoidea is 169,725 bp in length, with 35.49% GC content. The whole structure of the genome has 76,431 bp in a large single-copy (LSC) region, 18,146 bp in a small single-copy (SSC) region, and the two inverted repeat (IRs) regions are both 37,574 bp. There are 90 protein-coding genes, 8 rRNA genes, and 42 tRNA genes encoded in this genome. Final phylogenetic analysis revealed that B. arachnoidea is genetically closest to B. pulchrifolia and B. coptidifolia.

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The complete chloroplast genome sequence of Begonia coptidifolia.

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Project description:Begonia guangxiensis was assessed as endangered according to Red List of Chinese Plants. In this study, we described the complete plastid genome of B. guangxiensis. The plastid genome sequence of B. guangxiensis is 157,648?bp in size, having a large single-copy region (LSC) of 86,514?bp, a small single-copy region (SSC) of 18,076?bp, and two inverted repeat (IR) regions of 26,529?bp. The complete plastid genome of B. guangxiensis encoding 112 unique genes including 79 protein-coding genes, 29 tRNA genes, and four rRNA genes. The overall GC content of the plastid genome is 35.9%. Phylogenetic analysis confirmed that B. guangxiensis is closely related to B. varipeltata.

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Begonia guangdongensis, a new species of Begonia (Begoniaceae) from Guangdong, China.

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Recircumscription of Begonia sect. Baryandra (Begoniaceae): evidence from molecular data.

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Development and characterization of EST-SSR markers for Begonia luzhaiensis (Begoniaceae).

Project description:PREMISE OF THE STUDY:Microsatellite primers were developed for Begonia luzhaiensis (Begoniaceae) to assess genetic diversity and population genetic structure. METHODS AND RESULTS:Based on the transcriptome data of B. luzhaiensis, 60 primer pairs were selected for initial validation, of which 16 yielded polymorphic microsatellite loci in 57 individuals. The number of alleles observed for these 16 loci ranged from one to nine. The observed and expected heterozygosity ranged from 0.000 to 1.000 and from 0.000 to 0.804 with averages of 0.370 and 0.404, respectively. Five loci could be successfully amplified in B. leprosa. CONCLUSIONS:The expressed sequence tag-simple sequence repeat markers are the first specifically developed for B. luzhaiensis and the first developed in Begonia sect. Coelocentrum. These markers will be useful for future studies of the genetic structure and phylogeography of B. luzhaiensis.

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