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© Research
Publication : Genome

Database establishment for the secondary fungal DNA barcode translational elongation factor 1α (TEF1α) 1.

Scientific Fields
Diseases
Organisms
Applications
Technique

Published in Genome - 01 Mar 2019

Meyer W, Irinyi L, Hoang MTV, Robert V, Garcia-Hermoso D, Desnos-Ollivier M, Yurayart C, Tsang CC, Lee CY, Woo PCY, Pchelin IM, Uhrlaß S, Nenoff P, Chindamporn A, Chen S, Hebert PDN, Sorrell TC, ,

Link to Pubmed [PMID] – 30465691

Link to DOI – 10.1139/gen-2018-0083

Genome 2019 Mar; 62(3): 160-169

With new or emerging fungal infections, human and animal fungal pathogens are a growing threat worldwide. Current diagnostic tools are slow, non-specific at the species and subspecies levels, and require specific morphological expertise to accurately identify pathogens from pure cultures. DNA barcodes are easily amplified, universal, short species-specific DNA sequences, which enable rapid identification by comparison with a well-curated reference sequence collection. The primary fungal DNA barcode, ITS region, was introduced in 2012 and is now routinely used in diagnostic laboratories. However, the ITS region only accurately identifies around 75% of all medically relevant fungal species, which has prompted the development of a secondary barcode to increase the resolution power and suitability of DNA barcoding for fungal disease diagnostics. The translational elongation factor 1α (TEF1α) was selected in 2015 as a secondary fungal DNA barcode, but it has not been implemented into practice, due to the absence of a reference database. Here, we have established a quality-controlled reference database for the secondary barcode that together with the ISHAM-ITS database, forms the ISHAM barcode database, available online at http://its.mycologylab.org/ . We encourage the mycology community for active contributions.