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Long- and short-rea...
Long- and short-read metabarcoding technologies reveal similar spatiotemporal structures in fungal communities
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- Furneaux, Brendan R. (author)
- Uppsala universitet,Systematisk biologi
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- Bahram, Mohammad (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för ekologi,Department of Ecology,University of Tartu,Swedish Univ Agr Sci, Dept Ecol, Uppsala, Sweden.;Univ Tartu, Inst Ecol & Earth Sci, Tartu, Estonia.
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- Rosling, Anna, 1974- (author)
- Uppsala universitet,Evolutionsbiologi
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- Yorou, Nourou S. (author)
- Univ Parakou, Res Unit Trop Mycol & Plant Fungi Interact, LEB, Parakou, Benin.
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- Ryberg, Martin (author)
- Uppsala universitet,Systematisk biologi
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(creator_code:org_t)
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- 2021-05-06
- 2021
- English.
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In: Molecular Ecology Resources. - : John Wiley & Sons. - 1755-098X .- 1755-0998. ; 21:6, s. 1833-1849
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Abstract
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- Fungi form diverse communities and play essential roles in many terrestrial ecosystems, yet there are methodological challenges in taxonomic and phylogenetic placement of fungi from environmental sequences. To address such challenges, we investigated spatiotemporal structure of a fungal community using soil metabarcoding with four different sequencing strategies: short-amplicon sequencing of the ITS2 region (300-400 bp) with Illumina MiSeq, Ion Torrent Ion S5 and PacBio RS II, all from the same PCR library, as well as long-amplicon sequencing of the full ITS and partial LSU regions (1200-1600 bp) with PacBio RS II. Resulting community structure and diversity depended more on statistical method than sequencing technology. The use of long-amplicon sequencing enables construction of a phylogenetic tree from metabarcoding reads, which facilitates taxonomic identification of sequences. However, long reads present issues for denoising algorithms in diverse communities. We present a solution that splits the reads into shorter homologous regions prior to denoising, and then reconstructs the full denoised reads. In the choice between short and long amplicons, we suggest a hybrid approach using short amplicons for sampling breadth and depth, and long amplicons to characterize the local species pool for improved identification and phylogenetic analyses.
Subject headings
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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