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The complete chloroplast genome of Ficus pumila, a functional plant in East Asia.

ABSTRACT: Ficus pumila L. is a climbing fig commonly used as an ornamental plant. In this study, we sequenced and assembled the complete chloroplast genome of F. pumila. The complete chloroplast genome of F. pumila is 160,248 bp in length which includes a pair of inverted repeats (IRs) of 25,871 bp separated by a large single-copy (LSC) region of 88,405 bp and a small single-copy (SSC) region of 20,101 bp. The overall guanine-cytosine (GC) content of F. pumila cp genome is 35.98%, while the corresponding values of LSC, SSC, and IR sequences are 33.65, 29.05, and 42.65%, respectively. The phylogenetic tree was shown to be consistent with the traditional morphology-based taxonomy of Moraceae. Five plants from the genus Ficus formed a well-supported monophyletic clade with 100% bootstrap value, and F. pumila is closely related to F. hirta, F. carica, and F. racemosa, with a support value of 97%. The complete chloroplast of F. pumila contributes to the growing number of chloroplast genomes for phylogenetic and evolutionary studies in Moraceae.

SUBMITTER: Liang D

PROVIDER: S-EPMC8820821 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature

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The complete chloroplast genome of Ficus pumila, a functional plant in East Asia.

Liang DanYang D Lv Huqiang H Liao Jianxiong J

Mitochondrial DNA. Part B, Resources 20220203 2

Ficus pumila L. is a climbing fig commonly used as an ornamental plant. In this study, we sequenced and assembled the complete chloroplast genome of F. pumila. The complete chloroplast genome of F. pumila is 160,248 bp in length which includes a pair of inverted repeats (IRs) of 25,871 bp separated by a large single-copy (LSC) region of 88,405 bp and a small single-copy (SSC) region of 20,101 bp. The overall guanine-cytosine (GC) content of F. pumila cp genome is 35.9 ...[more]

PMID: 35141411

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Project description:BackgroundThe large genus Ficus comprises approximately 800 species, most of which possess high ornamental and ecological values. However, its evolutionary history remains largely unknown. Plastome (chloroplast genome) analysis had become an essential tool for species identification and for unveiling evolutionary relationships between species, genus and other rank groups. In this work we present the plastomes of ten Ficus species.ResultsThe complete chloroplast (CP) genomes of eleven Ficus specimens belonging to ten species were determined and analysed. The full length of the Ficus plastome was nearly 160 kbp with a similar overall GC content, ranging from 35.88 to 36.02%. A total of 114 unique genes, distributed in 80 protein-coding genes, 30 tRNAs, and 4 rRNAs, were annotated in each of the Ficus CP genome. In addition, these CP genomes showed variation in their inverted repeat regions (IR). Tandem repeats and mononucleotide simple sequence repeat (SSR) are widely distributed across the Ficus CP genome. Comparative genome analysis showed low sequence variability. In addition, eight variable regions to be used as potential molecular markers were proposed for future Ficus species identification. According to the phylogenetic analysis, these ten Ficus species were clustered together and further divided into three clades based on different subgenera. Simultaneously, it also showed the relatedness between Ficus and Morus.ConclusionThe chloroplast genome structure of 10 Ficus species was similar to that of other angiosperms, with a typical four-part structure. Chloroplast genome sizes vary slightly due to expansion and contraction of the IR region. And the variation of noncoding regions of the chloroplast genome is larger than that of coding regions. Phylogenetic analysis showed that these eleven sampled CP genomes were divided into three clades, clustered with species from subgenus Urostigma, Sycomorus, and Ficus, respectively. These results support the Berg classification system, in which the subgenus Ficus was further decomposed into the subgenus Sycomorus. In general, the sequencing and analysis of Ficus plastomes, especially the ones of species with no or limited sequences available yet, contribute to the study of genetic diversity and species evolution of Ficus, while providing useful information for taxonomic and phylogenetic studies of Ficus.

Dataset Information

The complete chloroplast genome of Ficus pumila, a functional plant in East Asia.

Publications

The complete chloroplast genome of <i>Ficus pumila</i>, a functional plant in East Asia.

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