Intraspecific variation of the aquatic fungus Articulospora tetracladia: an ubiquitous perspective.

PloS One
Sahadevan SeenaFernanda Cássio

Abstract

The worldwide-distributed aquatic fungus Articulospora tetracladia Ingold is a dominant sporulating species in streams of the Northwest Iberian Peninsula. To elucidate the genetic diversity of A. tetracladia, we analyzed isolates collected from various types of plant litter or foam in streams from North and Central Portugal and North Spain, between 2000 and 2010. Genetic diversity of these fungal populations was assessed by denaturing gradient gel electrophoresis (DGGE) fingerprints and by using ITS1-5.8S-ITS2 barcodes. Moreover, ITS1-5.8S-ITS2 barcodes of A. tetracladia reported in other parts of the world (Central Europe, United Kingdom, Canada, Japan and Malaysia) were retrieved from the National Center for Biotechnology (NCBI) and the National Institute of Technology and Evaluation Biological Resource Center (NBRC) to probe into genetic diversity of A. tetracladia. PCR-DGGE of ITS2 region of 50 Iberian fungal isolates distinguished eight operational taxonomic units (OTUs), which were similar to those obtained from neighboring trees based on ITS2 gene sequences. On the other hand, ITS1-5.8S-ITS2 barcodes of 68 fungal isolates yielded nine OTUs, but five fungal isolates were not assigned to any of these OTUs. Molecular divers...Continue Reading

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Citations

Aug 1, 2020·Biodiversity Data Journal·Pedro M RaposeiroVítor Gonçalves
Mar 5, 2021·Journal of Natural Products·Tamam El-ElimatNicholas H Oberlies

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Datasets Mentioned

BETA
FJ000395.1
FJ000402.1

Methods Mentioned

BETA
electrophoresis
PCR

Software Mentioned

BioEdit
CodonCode Aligner
Arlequin
DGGE
MEGA

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