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Fungal communities (ITS) in Antarctic brines.

Latest version published by SCAR - Microbial Antarctic Resource System on Mar 19, 2019 SCAR - Microbial Antarctic Resource System

Amplicon sequencing dataset (Illumina MiSeq) of Fungal microbes (ITS marker gene) in two distinct layers (separated by 12cm of ice) of liquid high salinity brines of one lake in the Tarmac Flat area (In the North of McMurdo Dry Valley, Antarctica).

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How to cite

Researchers should cite this work as follows:

Luigimaria B, Sannino C, Selbmann L, Battitel D, Zucconi L, Azzaro M, Turchetti B, Buzzini P, Gugliemin M (2019): Fungal communities (ITS) in Antarctic brines.. v1.1. SCAR - Microbial Antarctic Resource System. Dataset/Metadata. https://ipt.biodiversity.aq/resource?r=fungal_its_communities_in_antarctic_brines&v=1.1

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The publisher and rights holder of this work is SCAR - Microbial Antarctic Resource System. This work is licensed under a Creative Commons Attribution (CC-BY) 4.0 License.

GBIF Registration

This resource has been registered with GBIF, and assigned the following GBIF UUID: 50dc522a-3200-454c-b0ed-240b0e247923.  SCAR - Microbial Antarctic Resource System publishes this resource, and is itself registered in GBIF as a data publisher endorsed by Scientific Committee on Antarctic Research.

Keywords

Metadata

Contacts

Who created the resource:

Borruso Luigimaria
University of Bozen-Bolzano Bozen-Bolzano IT
Ciro Sannino
University of Perugia Perugia IT
Laura Selbmann
University of Tuscia Viterbo IT
Dario Battitel
University Ca’ Foscari Venice IT
Laura Zucconi
University of Tuscia Viterbo IT
Maurizio Azzaro
National Research Council Messina IT
Benedetta Turchetti
University of Perugia Perugia IT
Pietro Buzzini
University of Perugia Perugia IT
Mauro Gugliemin
Insubria University Varese IT

Who can answer questions about the resource:

Borruso Luigimaria
University of Bozen-Bolzano Bozen-Bolzano IT
Pietro Buzzini
University of Perugia Perugia IT

Who filled in the metadata:

Maxime Sweetlove
Research assistent
Royal Belgian Istitute for Natural Sciences Rue Vautier 29 1000 Brussels BE

Who else was associated with the resource:

User

Geographic Coverage

Flat Tarn Area, McMurdo Dry Valleys, Victoria land Antarctica

Bounding Coordinates South West [-75.667, 162.5], North East [-75.667, 162.5]

Taxonomic Coverage

Fungi, ITS2 marker gene

Phylum  Fungi (Fungi)

Temporal Coverage

Start Date 2014-01-01

Project Data

No Description available

Title Fungal communities (ITS) in Antarctic brines.
Funding This research was supported by grants from the National Antarctic Research Program (PNRA), Italian Ministry of Education and Research (Research Project PNRA AZ/1.05) and from the National Antarctic Museum (MNA).

The personnel involved in the project:

Borruso Luigimaria

Sampling Methods

In the studied lake (280 m long and 100 m wide, maximum depth around 6 m) the brines were located only within a deep trough in correspondence of which a pingo like feature (PLF) occurs. PLF is a frost mound that intruded the lake ice surface reaching a maximum height of 45 cm and extending within an area of approximately of 500 m2. Below that mound, brines have been preliminarily identified using GPR data; they were then reached and sampled through a 51 mm diameter borehole that was drilled in the center of the frost mound using a semi-portable core auger. In particular, the first pocket of liquid brine (TF1) was found between 3.78 m, and 3.98 m. TF1 was separated by the second pocket of liquid brine (TF2) (0.84 m thick) by only a 12 cm layer of ice (containing some organic material inclusions). Below TF2 additional frozen sediments rich in organic content occurred between 4.94 m and the bottom of the borehole (5.68 m). Both brines were collected in sterile Pyrex bottles using a peristaltic pump and sterile tubing. After collections, the brines were stored at −20 °C in the dark at Mario Zucchelli Station (MZS) prior to their delivery to laboratories for chemical and microbiological analyses.

Study Extent Three replicate samples were taken from two separate brine layers in a lake in Tarn Flat area (75°4′S 162°30′E), an ice-free area (ca. 100 km2) in the north to the McMurdo Dry Valley in Victoria Land.

Method step description:

  1. Total DNA from brines samples was aseptically extracted using Power Water DNA Isolation Kit (Qiagen, Germany) following the operating instructions. Prior to DNA extraction, the brines were thawed at 4 °C and aseptically filtered in order to collect the biomass present in each brine on sterile cellulose acetate filter (cutoff = pore size 0.2 µm Sartorius Stedim, Biotech, Germany). The quality and quantity of DNA extracted was determined by using QuBit 2.0 Fluorometer Assay (Life Technologies Corporation) and by NanoDrop 2000 c spectrophotometer (Thermo Fisher Scientific, Waltham, MA, USA). Three replicates for each brine were run on Illumina MiSeq.
  2. Fungal internal transcribed spacer region 2 (ITS2) was amplified using IlluAdp_ITS31_NeXTf 5′-CATCGATGAAGAACGCAG-3′ and IlluAdp_ITS4_NeXTr5′-TCCTCCGCTTATTGATATGC-3′60. The PCR products were sequenced using the Illumina MiSeq platforms, following the standard protocols of the company STAB Vida Lda. (Caparica, Portugal).

Bibliographic Citations

  1. Forte, E., Dalle Fratte, M., Azzaro, M., & Guglielmin, M. (2016). Pressurized brines in continental Antarctica as a possible analogue of Mars. Scientific reports, 6, 33158.
  2. Borruso, L., Sannino, C., Selbmann, L., Battistel, D., Zucconi, L., Azzaro, M., ... & Guglielmin, M. (2018). A thin ice layer segregates two distinct fungal communities in Antarctic brines from Tarn Flat (Northern Victoria Land). Scientific reports, 8.

Additional Metadata

Alternative Identifiers 50dc522a-3200-454c-b0ed-240b0e247923
https://ipt.biodiversity.aq/resource?r=fungal_its_communities_in_antarctic_brines