Microbial communities (Bacteria, Eukaryotes and Fungi) in Arctic, Antarctic and Sub-Antarctic lacustrine biofilms

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Les chercheurs doivent citer cette ressource comme suit:

Sweetlove M, Tytgat B, Verleyen E, Willems A, Wurzbacher C, Nillson H, Wilmotte A, Vyverman W (2019): Microbial communities (Bacteria, Eukaryotes and Fungi) in Arctic, Antarctic and Sub-Antarctic lacustrine biofilms. v1.1. SCAR - Microbial Antarctic Resource System. Dataset/Metadata. https://ipt.biodiversity.aq/resource?r=microbial_bacteria_fungi_and_eukaryotes_in_arctic_antarctic_and_subantarctic_lacustrine_biofilms&v=1.1

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L’éditeur et détenteur des droits de cette ressource est SCAR - Microbial Antarctic Resource System. This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License.

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Cette ressource a été enregistrée sur le portail GBIF, et possède l'UUID GBIF suivante : 81484676-d49f-43f5-8f78-88289267664b.  SCAR - Microbial Antarctic Resource System publie cette ressource, et est enregistré dans le GBIF comme éditeur de données avec l'approbation du Scientific Committee on Antarctic Research.

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Metadata

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Couverture géographique

Sampled regions include: the Arctic (Greenland, Norway, Svalbard), Sub-Antarctic Islands (Macquarie island and Marion Island) and Antarctic (the Antarctic Peninsula, Continental Antarctica)

Couverture taxonomique

High throughput (Illumina) amplicon sequencing of Bacteria (16S ssu rRNA), Eukaryotes (18S ssu rRNA) and microbial fungi (ITS)

Couverture temporelle

Données sur le projet

CCAMBIO (Climate Change and Antarctic Microbial Biodiversity) is an academic project funded by the Belgian Federal Science Policy (BELSPO). Its main objective is to study the diversity, biogeographic zoning and genomic make-up of lacustrine microbial mat communities in the Antarctic Realm. CCAMBIO is composed by researchers from four Belgian Universities and Institutes (University of Liège, Ghent University, National Botanical Garden of Belgium and Royal Belgian Institute of Natural Sciences), as well as collaborators from the British Antarctic Survey.

Les personnes impliquées dans le projet:

Méthodes d'échantillonnage

Microbial mat samples were collected in the littoral or deeper parts of the euphotic zone of the lakes using a spatula or gravity corer, respectively. The upper 1 cm of the core was aseptically removed and kept dark and cool until transfer to -20°C.

Description des étapes de la méthode:

1. Extracellular proteins and DNA from 1.5-3 g subsamples were removed (Corinaldesi et al., 2005), after which genomic DNA was extracted using a phenol-chloroform based protocol (Zwart et al., 1998). For Bacteria, the V1-V3 region of the 16S SSU rRNA gene was targeted for bacteria with domain-specific universal primer sets (Edwards et al., 1989; Cleenwerck et al., 2007), while for eukaryotes, V4 region of the 18S ssu rRNA gene was targeted with the primers of Stoeck et al. (2010). . The polymerase chain reaction was performed in duplicate to level out stochastic artefacts, and amplicon libraries were barcoded using the NEXTERA XT index kit (Illumina Inc.) according to manufacturer's instructions. Libraries were sequenced on an Illumina MiSeq machine (300 bp, Paired-end), while each run was spiked with 20% PhiX DNA (Illumina Inc.) to reduce cluster density.

Métadonnées additionnelles