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DNA Sequencing & Plant Barcoding is a molecular biology technique used to identify, authenticate, and study plant species at the genetic level. DNA is extracted from a plant sample, specific genetic regions are amplified and sequenced, and the resulting DNA sequence is compared with reference databases to determine the plant’s identity.
Key Applications
- Accurate identification of plant species
- Authentication of medicinal and herbal plants
- Detection of adulteration or substitution
- Biodiversity and genetic studies
- Identification of closely related plant species
- Quality control of botanical raw materials
- Conservation and research of plant genetic resources
Frequently Asked Questions
Plant DNA barcoding provides accurate species identification and helps detect adulteration, substitution, and misidentification of botanical materials.
Depending on the testing requirements, samples may include fresh leaves, dried plant material, seeds, roots, stems, herbal powders, and other botanical samples.
The process generally involves DNA extraction, amplification of selected barcode regions, DNA sequencing, and comparison of the obtained sequence with validated reference databases.
Common plant barcode regions include rbcL, matK, ITS, and trnH-psbA. The appropriate marker depends on the plant group and identification requirements.