Phylogenomics and barcoding of Panax: toward the identification of ginseng species

Abstract Background The economic value of ginseng in the global medicinal plant trade is estimated to be in excess of US$2.1 billion. At the same time, the evolutionary placement of ginseng (Panax ginseng) and the complex evolutionary history of the genus is poorly understood despite several molecul...

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Main Authors: V. Manzanilla, A. Kool, L. Nguyen Nhat, H. Nong Van, H. Le Thi Thu, H. J. de Boer
Format: Article
Language:English
Published: BMC 2018-04-01
Series:BMC Evolutionary Biology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12862-018-1160-y
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author V. Manzanilla
A. Kool
L. Nguyen Nhat
H. Nong Van
H. Le Thi Thu
H. J. de Boer
author_facet V. Manzanilla
A. Kool
L. Nguyen Nhat
H. Nong Van
H. Le Thi Thu
H. J. de Boer
author_sort V. Manzanilla
collection DOAJ
description Abstract Background The economic value of ginseng in the global medicinal plant trade is estimated to be in excess of US$2.1 billion. At the same time, the evolutionary placement of ginseng (Panax ginseng) and the complex evolutionary history of the genus is poorly understood despite several molecular phylogenetic studies. In this study, we use a full plastome phylogenomic framework to resolve relationships in Panax and to identify molecular markers for species discrimination. Results We used high-throughput sequencing of MBD2-Fc fractionated Panax DNA to supplement publicly available plastid genomes to create a phylogeny based on fully assembled and annotated plastid genomes from 60 accessions of 8 species. The plastome phylogeny based on a 163 kbp matrix resolves the sister relationship of Panax ginseng with P. quinquefolius. The closely related species P. vietnamensis is supported as sister of P. japonicus. The plastome matrix also shows that the markers trnC-rps16, trnS-trnG, and trnE-trnM could be used for unambiguous molecular identification of all the represented species in the genus. Conclusions MBD2 depletion reduces the cost of plastome sequencing, which makes it a cost-effective alternative to Sanger sequencing based DNA barcoding for molecular identification. The plastome phylogeny provides a robust framework that can be used to study the evolution of morphological characters and biosynthesis pathways of ginsengosides for phylogenetic bioprospecting. Molecular identification of ginseng species is essential for authenticating ginseng in international trade and it provides an incentive for manufacturers to create authentic products with verified ingredients.
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spelling doaj.art-a71492f4d183459f9b99679e5948bcd02022-12-21T18:34:21ZengBMCBMC Evolutionary Biology1471-21482018-04-0118111410.1186/s12862-018-1160-yPhylogenomics and barcoding of Panax: toward the identification of ginseng speciesV. Manzanilla0A. Kool1L. Nguyen Nhat2H. Nong Van3H. Le Thi Thu4H. J. de Boer5The Natural History Museum, University of OsloThe Natural History Museum, University of OsloInstitute of Genome Research, Vietnam Academy of Science and TechnologyInstitute of Genome Research, Vietnam Academy of Science and TechnologyInstitute of Genome Research, Vietnam Academy of Science and TechnologyThe Natural History Museum, University of OsloAbstract Background The economic value of ginseng in the global medicinal plant trade is estimated to be in excess of US$2.1 billion. At the same time, the evolutionary placement of ginseng (Panax ginseng) and the complex evolutionary history of the genus is poorly understood despite several molecular phylogenetic studies. In this study, we use a full plastome phylogenomic framework to resolve relationships in Panax and to identify molecular markers for species discrimination. Results We used high-throughput sequencing of MBD2-Fc fractionated Panax DNA to supplement publicly available plastid genomes to create a phylogeny based on fully assembled and annotated plastid genomes from 60 accessions of 8 species. The plastome phylogeny based on a 163 kbp matrix resolves the sister relationship of Panax ginseng with P. quinquefolius. The closely related species P. vietnamensis is supported as sister of P. japonicus. The plastome matrix also shows that the markers trnC-rps16, trnS-trnG, and trnE-trnM could be used for unambiguous molecular identification of all the represented species in the genus. Conclusions MBD2 depletion reduces the cost of plastome sequencing, which makes it a cost-effective alternative to Sanger sequencing based DNA barcoding for molecular identification. The plastome phylogeny provides a robust framework that can be used to study the evolution of morphological characters and biosynthesis pathways of ginsengosides for phylogenetic bioprospecting. Molecular identification of ginseng species is essential for authenticating ginseng in international trade and it provides an incentive for manufacturers to create authentic products with verified ingredients.http://link.springer.com/article/10.1186/s12862-018-1160-yBarcodingGenomeGinsengMarkermPTPNGS
spellingShingle V. Manzanilla
A. Kool
L. Nguyen Nhat
H. Nong Van
H. Le Thi Thu
H. J. de Boer
Phylogenomics and barcoding of Panax: toward the identification of ginseng species
BMC Evolutionary Biology
Barcoding
Genome
Ginseng
Marker
mPTP
NGS
title Phylogenomics and barcoding of Panax: toward the identification of ginseng species
title_full Phylogenomics and barcoding of Panax: toward the identification of ginseng species
title_fullStr Phylogenomics and barcoding of Panax: toward the identification of ginseng species
title_full_unstemmed Phylogenomics and barcoding of Panax: toward the identification of ginseng species
title_short Phylogenomics and barcoding of Panax: toward the identification of ginseng species
title_sort phylogenomics and barcoding of panax toward the identification of ginseng species
topic Barcoding
Genome
Ginseng
Marker
mPTP
NGS
url http://link.springer.com/article/10.1186/s12862-018-1160-y
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