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Open AccessCommunication
Genes 2016, 7(5), 20; doi:10.3390/genes7050020

The Complete Chloroplast Genome of the Hare’s Ear Root, Bupleurum falcatum: Its Molecular Features

Genomics Division, National Institute of Agricultural Sciences, Jeonju 54874, Korea
Department of Herbal Crop Research, National Institute of Horicultural and Herbal Science, Eumseong 55365, Korea
Research Policy Planing Division, Rural Development Administration, Jeonju 54875, Korea
Author to whom correspondence should be addressed.
Academic Editor: Paolo Cinelli
Received: 13 January 2016 / Revised: 18 April 2016 / Accepted: 9 May 2016 / Published: 13 May 2016
(This article belongs to the Section Molecular Genetics)
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Bupleurum falcatum, which belongs to the family Apiaceae, has long been applied for curative treatments, especially as a liver tonic, in herbal medicine. The chloroplast (cp) genome has been an ideal model to perform the evolutionary and comparative studies because of its highly conserved features and simple structure. The Apiaceae family is taxonomically close to the Araliaceae family and there have been numerous complete chloroplast genome sequences reported in the Araliaceae family, while little is known about the Apiaceae family. In this study, the complete sequence of the B. falcatum chloroplast genome was obtained. The full-length of the cp genome is 155,989 nucleotides with a 37.66% overall guanine-cytosine (GC) content and shows a quadripartite structure composed of three nomenclatural regions: a large single-copy (LSC) region, a small single-copy (SSC) region, and a pair of inverted repeat (IR) regions. The genome occupancy is 85,912-bp, 17,517-bp, and 26,280-bp for LSC, SSC, and IR, respectively. B. falcatum was shown to contain 111 unique genes (78 for protein-coding, 29 for tRNAs, and four for rRNAs, respectively) on its chloroplast genome. Genic comparison found that B. falcatum has no pseudogenes and has two gene losses, accD in the LSC and ycf15 in the IRs. A total of 55 unique tandem repeat sequences were detected in the B. falcatum cp genome. This report is the first to describe the complete chloroplast genome sequence in B. falcatum and will open up further avenues of research to understand the evolutionary panorama and the chloroplast genome conformation in related plant species. View Full-Text
Keywords: Bupleurum falcatum; chloroplast genome; quadripartite structure; tandem repeats; phylogenetic analysis Bupleurum falcatum; chloroplast genome; quadripartite structure; tandem repeats; phylogenetic analysis

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Shin, D.-H.; Lee, J.-H.; Kang, S.-H.; Ahn, B.-O.; Kim, C.-K. The Complete Chloroplast Genome of the Hare’s Ear Root, Bupleurum falcatum: Its Molecular Features. Genes 2016, 7, 20.

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