Microorganisms (Bacteria and Archaea) in the marine cavity beneath the McMurdo Ice Shelf, Antarctica

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Les chercheurs doivent citer cette ressource comme suit:

Vick-Majors T, Achberger A, Santibanez P, Dore J, Hodson T, Michaud A, Christner B, Mikucki J, Skidmore M, Powell R, Adkins P, Brabante C, Mitchell A, Scherer R, Priscu J (2019): Microorganisms (Bacteria and Archaea) in the marine cavity beneath the McMurdo Ice Shelf, Antarctica. v1.1. SCAR - Microbial Antarctic Resource System. Dataset/Metadata. https://ipt.biodiversity.aq/resource?r=microbes_sub_ice_seawater_antarctica&v=1.1

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L’éditeur et détenteur des droits de cette ressource est SCAR - Microbial Antarctic Resource System. Ce travail est sous licence Creative Commons Attribution (CC-BY) 4.0.

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Cette ressource a été enregistrée sur le portail GBIF, et possède l'UUID GBIF suivante : 4200a83c-9ff7-43e0-ae09-ef1211847673.  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.

Mots-clé

Metadata

Contacts

Couverture géographique

the marine cavity beneath the McMurdo Ice Shelf, Antarctica

Couverture taxonomique

Bacteria and Archaea (16S ssu rRNA gene)

Couverture temporelle

Données sur le projet

Pas de description disponible

Les personnes impliquées dans le projet:

Méthodes d'échantillonnage

A discrete water sample for nucleic acid extraction was collected in situ at 850 m with a Large Volume Water Transfer System (WTS-LV; McLane Research Laboratories, East Falmouth, Massachusetts). This system was fitted with a stacked 143 mm diameter filter housing that allowed the sample to be size fractionated into 10 um, 3 um, and 0.2 um classes (Supor Membrane filters were used; Pall). This system allowed us to concentrate 295 L of seawater on 142 mm filters during a 4 h in situ deployment. An additional discrete water sample (300 mL) from 30 m was obtained for nucleic acid extraction from a 10 L Niskin bottle sample that was fil- tered through a 47 mm 0.2 um Supor membrane filter (Pall). Filters from the WTS-LV were preserved as described previ- ously (Christner et al. 2014) while the entire 47 mm filter from the 30 m sample was placed in a 7 mL cryovial and preserved with 7 mL of a solution of 40 mM EDTA pH 8.0, 50 mM Tris pH 8.3, and 0.73 M Sucrose to prevent cell lysis during storage.

Description des étapes de la méthode:

1. Nucleic acids were extracted from the 10 um, 3 um, and 0.2 um filters from 850 m and the 0.2 um filter from 30 m using a MO BIO PowerWater DNA Isolation Kit according to the manufactures instructions. The V4 hypervariable region of the small subunit (SSU) rRNA gene was amplified using the primers 515F and 806R (Caporaso et al. 2012) and sequenced on an Illumina MiSeq as described by Christner et al. (2014).

Citations bibliographiques

1. Vick-Majors T. J., Achberger A., Santibáñez P., Dore J. E., Hodson T., Michaud A. B., et al. (2016). Biogeochemistry and microbial diversity in the marine cavity beneath the McMurdo Ice Shelf, Antarctica. Limnol. Oceanogr. 61 572–586. 10.1002/lno.10234  doi: 10.1002/lno.10234

Métadonnées additionnelles