“Significance of DNA Barcoding in Avian Species: Tracing the History and Building the Future”
Avian species or subspecies have almost identical barcode of life; therefore when a new unidentified sample is encountered, all it takes for its recognition is a plumage. Although a feather is dead keratin, but at the end of this feather, some dead skin cells are attached which are the source for DNA extraction and further COI gene sequence amplification. The faecal sample from a fleeting bird having lots of intestinal epithelial cells forms a great sample for DNA extraction. The DNA barcode so obtained can be then compared to the databases available publicly, such as ABBI/BOLD, etc. Despite all the milestones DNA barcoding has achieved, there are certain issues or limitations which must be clearly recognized and resolved. Furthermore, there is a need to conduct extensive studies in tropical taxa and those with limited dispersal. These studies must be undertaken with broader taxonomic lineage and wider geographic boundaries to discover all sister taxa as well.
KeywordsDNA barcoding BOLD COI Avian species Moa Bird strike
The authors would like to acknowledge University of Tabuk, Tabuk, Saudi Arabia.
The author would also like to thank the Department of Biology, Faculty of Sciences, Saudi Digital Library and University Library for providing the facility for literature survey and collection.
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