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Cuthbertson L, Amores-Arrocha H, Malard LA, et al. Characterisation of Arctic Bacterial Communities in the Air above Svalbard. Biology (Basel). 2017;6(2)doi: 10.3390/biology6020029.
Cuthbertson, L., Amores-Arrocha, H., Malard, L. A., Els, N., Sattler, B., & Pearce, D. A. (2017). Characterisation of Arctic Bacterial Communities in the Air above Svalbard. Biology, 6(2), . https://doi.org/10.3390/biology6020029
Cuthbertson, Lewis, et al. "Characterisation of Arctic Bacterial Communities in the Air above Svalbard." Biology vol. 6,2 (2017). doi: https://doi.org/10.3390/biology6020029
Cuthbertson L, Amores-Arrocha H, Malard LA, Els N, Sattler B, Pearce DA. Characterisation of Arctic Bacterial Communities in the Air above Svalbard. Biology (Basel). 2017 May 06;6(2). doi: 10.3390/biology6020029. PMID: 28481257; PMCID: PMC5485476.
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Biology (Basel). 2017 May 06;6(2). doi: 10.3390/biology6020029.

Characterisation of Arctic Bacterial Communities in the Air above Svalbard.

Biology

Lewis Cuthbertson, Herminia Amores-Arrocha, Lucie A Malard, Nora Els, Birgit Sattler, David A Pearce

Affiliations

  1. Department of Applied Sciences, Faculty of Health and Life Sciences, University of Northumbria at Newcastle, Ellison Building, Newcastle-upon-Tyne NE1 8ST, UK. [email protected].
  2. Department of Applied Sciences, Faculty of Health and Life Sciences, University of Northumbria at Newcastle, Ellison Building, Newcastle-upon-Tyne NE1 8ST, UK. [email protected].
  3. Department of Applied Sciences, Faculty of Health and Life Sciences, University of Northumbria at Newcastle, Ellison Building, Newcastle-upon-Tyne NE1 8ST, UK. [email protected].
  4. Institute of Ecology, Austrian Polar Research Institute, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria. [email protected].
  5. Institute of Ecology, Austrian Polar Research Institute, University of Innsbruck, Technikerstrasse 25, 6020 Innsbruck, Austria. [email protected].
  6. Department of Applied Sciences, Faculty of Health and Life Sciences, University of Northumbria at Newcastle, Ellison Building, Newcastle-upon-Tyne NE1 8ST, UK. [email protected].

PMID: 28481257 PMCID: PMC5485476 DOI: 10.3390/biology6020029

Abstract

Atmospheric dispersal of bacteria is increasingly acknowledged as an important factor influencing bacterial community biodiversity, biogeography and bacteria-human interactions, including those linked to human health. However, knowledge about patterns in microbial aerobiology is still relatively scarce, and this can be attributed, in part, to a lack of consensus on appropriate sampling and analytical methodology. In this study, three different methods were used to investigate aerial biodiversity over Svalbard: impaction, membrane filtration and drop plates. Sites around Svalbard were selected due to their relatively remote location, low human population, geographical location with respect to air movement and the tradition and history of scientific investigation on the archipelago, ensuring the presence of existing research infrastructure. The aerial bacterial biodiversity found was similar to that described in other aerobiological studies from both polar and non-polar environments, with Proteobacteria, Actinobacteria, and Firmicutes being the predominant groups. Twelve different phyla were detected in the air collected above Svalbard, although the diversity was considerably lower than in urban environments elsewhere. However, only 58 of 196 bacterial genera detected were consistently present, suggesting potentially higher levels of heterogeneity. Viable bacteria were present at all sampling locations, showing that living bacteria are ubiquitous in the air around Svalbard. Sampling location influenced the results obtained, as did sampling method. Specifically, impaction with a Sartorius MD8 produced a significantly higher number of viable colony forming units (CFUs) than drop plates alone.

Keywords: Arctic; aerobiology; bacteria; bioaerosol; culture dependent; culture independent; ecology; marine; polar; terrestrial

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