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DNA Barcoding Reveals Limited Accuracy of Identifications Based on Folk Taxonomy
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Organismal Biology, Systematic Biology. Nat Biodivers Ctr, Leiden, Netherlands; Univ Oslo, Nat Hist Museum, Oslo, Norway. (Ethnobotany)
Cadi Ayyad Univ, Fac Sci Semlalia, Marrakech, Morocco; Global Div Fdn, Marrakech, Morocco.
Cadi Ayyad Univ, Fac Sci Semlalia, Marrakech, Morocco; Global Div Fdn, Marrakech, Morocco.
Cadi Ayyad Univ, Fac Sci Semlalia, Marrakech, Morocco; Global Div Fdn, Marrakech, Morocco.
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2014 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 9, no 1, e84291Article in journal (Refereed) Published
Abstract [en]

Background:

The trade of plant roots as traditional medicine is an important source of income for many people around theworld. Destructive harvesting practices threaten the existence of some plant species. Harvesters of medicinal roots identifythe collected species according to their own folk taxonomies, but once the dried or powdered roots enter the chain ofcommercialization, accurate identification becomes more challenging.

Methodology:

A survey of morphological diversity among four root products traded in the medina of Marrakech wasconducted. Fifty-one root samples were selected for molecular identification using DNA barcoding using three markers,trnH-psbA, rpoC1, and ITS. Sequences were searched using BLAST against a tailored reference database of Moroccanmedicinal plants and their closest relatives submitted to NCBI GenBank.Principal Findings: Combining psbA-trnH, rpoC1, and ITS allowed the majority of the market samples to be identified tospecies level. Few of the species level barcoding identifications matched the scientific names given in the literature,including the most authoritative and widely cited pharmacopeia.

Conclusions/Significance:

The four root complexes selected from the medicinal plant products traded in Marrakech allcomprise more than one species, but not those previously asserted. The findings have major implications for the monitoringof trade in endangered plant species as morphology-based species identifications alone may not be accurate. As a result,trade in certain species may be overestimated, whereas the commercialization of other species may not be recorded at all.

Place, publisher, year, edition, pages
2014. Vol. 9, no 1, e84291
National Category
Biological Systematics
Identifiers
URN: urn:nbn:se:uu:diva-214613DOI: 10.1371/journal.pone.0084291ISI: 000329953400004PubMedID: 24416210OAI: oai:DiVA.org:uu-214613DiVA: diva2:685147
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Sida - Swedish International Development Cooperation AgencySwedish Research Council Formas
Available from: 2014-01-08 Created: 2014-01-08 Last updated: 2017-12-06Bibliographically approved

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de Boer, Hugo J.

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