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FROGS: a powerful tool to analyse the diversity of fungi with special management of internal transcribed spacers

Abstract : Fungi are present in all environments. They fulfil important ecological functions and play a crucial role in the food industry. Their accurate characterization is thus indispensable, particularly through metabarcoding. The most frequently used markers to monitor fungi are ITSs. These markers are the best documented in public databases but have one main weakness: polymerase chain reaction amplification may produce non-overlapping reads in a significant fraction of the fungi. When these reads are filtered out, traditional metabarcoding pipelines lose part of the information and consequently produce biased pictures of the composition and structure of the environment under study. We developed a solution that enables processing of the entire set of reads including both overlapping and non-overlapping, thus providing a more accurate picture of fungal communities. Our comparative tests using simulated and real data demonstrated the effectiveness of our solution, which can be used by both experts and non-specialists on a command line or through the Galaxy-based web interface.
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https://hal.inrae.fr/hal-03323846
Contributor : Maria Bernard <>
Submitted on : Friday, September 3, 2021 - 11:27:31 AM
Last modification on : Friday, September 3, 2021 - 11:31:31 AM

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Maria Bernard, Olivier Rué, Mahendra Mariadassou, Géraldine Pascal. FROGS: a powerful tool to analyse the diversity of fungi with special management of internal transcribed spacers. Briefings in Bioinformatics, Oxford University Press (OUP), 2021, ⟨10.1093/bib/bbab318⟩. ⟨hal-03323846⟩

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