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Characterization of the complete chloroplast genome sequence of Sphagneticola calendulacea (Asteraceae).

ABSTRACT: Sphagneticola calendulacea is a valuable medicinal herb. With the spread of a congeneric invasive species Sphagneticola trilobata in South China, the already vulnerable S. calendulacea populations are being threatened further by natural hybridization with the invading species. In this study, we assembled and characterized the complete chloroplast genome of S. calendulacea as a resource for future studies on this species. The chloroplast genome was 151,748?bp in size, with a large single-copy (LSC) region of 83,270?bp, a small single-copy (SSC) region of 18,348?bp, separated by two inverted repeat (IR) regions of 25,065?bp each. A total of 134 genes were predicted. Phylogenetic analysis showed close relationship between S. calendulacea and Eclipta prostrata within the Heliantheae tribe.

SUBMITTER: Ng WL

PROVIDER: S-EPMC7800939 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Characterization of the complete chloroplast genome sequence of Sphagneticola calendulacea (Asteraceae).

Ng Wei Lun WL Zhou Yubing Y Zhou Renchao R Wu Wei W

Mitochondrial DNA. Part B, Resources 20181027 2

Sphagneticola calendulacea is a valuable medicinal herb. With the spread of a congeneric invasive species Sphagneticola trilobata in South China, the already vulnerable S. calendulacea populations are being threatened further by natural hybridization with the invading species. In this study, we assembled and characterized the complete chloroplast genome of S. calendulacea as a resource for future studies on this species. The chloroplast genome was 151,748 bp in size, ...[more]

PMID: 33474403

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Project description:Sphagneticola trilobata is one of the world's worst invasive alien species. The paucity of genetic information for this species has made it difficult for studies on the underlying genetic mechanism of its invasiveness. Herein, we report the de novo chloroplast genome assembly of S. trilobata using Illumina whole-genome sequencing data. The chloroplast genome was 151,939?bp in length, with a large single copy (LSC) region of 83,405?bp, a small single copy (SSC) region of 18,448?bp, separated by two inverted repeat (IR) regions of 25,044?bp each. A total of 134 genes were annotated for the chloroplast genome assembly, including 86 protein-encoding genes. Phylogenetic analysis suggested close relationship between S. trilobata and Eclipta prostrata.

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