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DNA barcoding is a method of species identification using a short section of DNA from a specific gene or genes. The premise of DNA barcoding is that by comparison with a reference library of such DNA sections (also called "sequences"), an individual sequence can be used to uniquely identify an organism to species, just as a supermarket scanner uses the familiar black stripes of the UPC barcode ...
The DNA barcoding of animals (and specifically of bats) is used as an example in the diagram at the right and in the discussion immediately below. First, suitable DNA barcoding regions are chosen to answer some specific research question. The most commonly used DNA barcode region for animals is a segment about 600 base pairs long of the ...
The barcoded DNA fragments are amplified using PCR to create a library of DNA fragments with identical barcodes. All the fragments derived from a given DNA molecule are tagged with the same barcode. [4] This step increases the quantity of DNA for sequencing and reduces the chances of losing unique DNA fragments during sequencing.
DNA barcoding of cyanobacteria can be applied in various ecological, evolutionary and taxonomical studies. Some examples include assessment of cyanobacterial diversity and community structure, [ 34 ] identification of harmful cyanobacteria in ecologically and economically important waterbodies [ 35 ] and assessment of cyanobacterial symbionts ...
Pages in category "DNA barcoding" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. A. Algae DNA barcoding;
Hebert proposed the 658 bases of the Folmer region of the mitochondrial gene cytochrome-C oxidase-1 as the standard barcode region. Hebert is the Director of the Biodiversity Institute of Ontario, the Canadian Centre for DNA Barcoding, and the International Barcode of Life Project (iBOL), all headquartered at the University of Guelph.
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The key concept for barcoding macroinvertebrates, is proper selection of DNA markers (DNA barcode region) to amplify appropriate gene regions, using PCR techniques. The DNA barcode region needs to be ideally conserved within a species, but variable among different (even closely related) species and therefore, its sequence should serve as a ...