Exploring DNA Barcode Information of Selected Thai Medicinal Plants

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Abstract:

DNA barcode is referred to specific ranges, sequences or fragments of DNA used for identification organisms at genus or species levels. There are several plant DNA barcodes which are currently studied, such as ITS (Internal Transcribed Spacer), ITS2 (Internal Transcribed Spacer 2), matK, psbA-trnH, rbcL, trnL-trnF. In this work, ITS, ITS2 and psbA-trnH sequences of many medicinal plants in the “Thai Medicinal Plant DNA Barcode Database” were studied. Total of 163 DNA barcodes from 75 plant families were processed and analysed. ATCG contents, %GC or %CG found, ATG patterns, and alignment patterns were investigated. Also, sequences relationships among families were discussed. This information will be useful for authentication and quality control of herbal medicine.

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219-222

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December 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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