A DNA-Based Registry for All Animal Species: The Barcode Index Number (BIN) System
TLDR
A persistent, species-level taxonomic registry for the animal kingdom is developed based on the analysis of patterns of nucleotide variation in the barcode region of the cytochrome c oxidase I (COI) gene.Abstract:
Because many animal species are undescribed, and because the identification of known species is often difficult, interim taxonomic nomenclature has often been used in biodiversity analysis. By assigning individuals to presumptive species, called operational taxonomic units (OTUs), these systems speed investigations into the patterning of biodiversity and enable studies that would otherwise be impossible. Although OTUs have conventionally been separated through their morphological divergence, DNA-based delineations are not only feasible, but have important advantages. OTU designation can be automated, data can be readily archived, and results can be easily compared among investigations. This study exploits these attributes to develop a persistent, species-level taxonomic registry for the animal kingdom based on the analysis of patterns of nucleotide variation in the barcode region of the cytochrome c oxidase I (COI) gene. It begins by examining the correspondence between groups of specimens identified to a species through prior taxonomic work and those inferred from the analysis of COI sequence variation using one new (RESL) and four established (ABGD, CROP, GMYC, jMOTU) algorithms. It subsequently describes the implementation, and structural attributes of the Barcode Index Number (BIN) system. Aside from a pragmatic role in biodiversity assessments, BINs will aid revisionary taxonomy by flagging possible cases of synonymy, and by collating geographical information, descriptive metadata, and images for specimens that are likely to belong to the same species, even if it is undescribed. More than 274,000 BIN web pages are now available, creating a biodiversity resource that is positioned for rapid growth.read more
Citations
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DNA barcoding to characterize biodiversity of freshwater fishes of Egypt.
TL;DR: The findings of the current study support that COI barcode enabled effective fish species identification in River Nile and Lake Nasser and will establish a comprehensive DNA barcode library for freshwater fishes along the River Nile in Egypt.
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A DNA barcode reference library of French Polynesian shore fishes.
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TL;DR: This dataset is a DNA barcode reference library for at least 540 species of shore fishes collected over 10 years at 154 sites across the four volcanic archipelagos of French Polynesia, one of the most comprehensive DNA barcoding efforts for a vertebrate fauna to date.
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DNA barcoding fishes from the Congo and the Lower Guinean provinces: Assembling a reference library for poorly inventoried fauna.
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