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SLIM: a flexible web application for the reproducible processing of environmental DNA metabarcoding data

Abstract : High-throughput amplicon sequencing of environmental DNA (eDNA metabarcoding) has become a routine tool for biodiversity survey and ecological studies. By including sample-specific tags in the primers prior PCR amplification, it is possible to multiplex hundreds of samples in a single sequencing run. The analysis of millions of sequences spread into hundreds to thousands of samples prompts for efficient, automated yet flexible analysis pipelines. Various algorithms and software have been developed to perform one or multiple processing steps, such as paired-end reads assembly, chimera filtering, Operational Taxonomic Unit (OTU) clustering and taxonomic assignment. Some of these software are now well established and widely used by scientists as part of their workflow. Wrappers that are capable to process metabarcoding data from raw sequencing data to annotated OTU-to-sample matrix were also developed to facilitate the analysis for non-specialist users. Yet, most of them require basic bioinformatic or command-line knowledge, which can limit the accessibility to such integrative toolkits. Furthermore, for flexibility reasons, these tools have adopted a step-by-step approach, which can prevent an easy automation of the workflow, and hence hamper the analysis reproducibility.
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https://hal-pasteur.archives-ouvertes.fr/pasteur-03263390
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Submitted on : Thursday, June 17, 2021 - 5:36:50 PM
Last modification on : Wednesday, June 23, 2021 - 2:18:12 PM
Long-term archiving on: : Saturday, September 18, 2021 - 6:56:55 PM

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Yoann Dufresne, Franck Lejzerowicz, Laure Apotheloz Perret-Gentil, Jan Pawlowski, Tristan Cordier. SLIM: a flexible web application for the reproducible processing of environmental DNA metabarcoding data. BMC Bioinformatics, BioMed Central, 2019, 20 (1), pp.88. ⟨10.1186/s12859-019-2663-2⟩. ⟨pasteur-03263390⟩

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