Source Environments of the Microbiome in Perennially Ice-Covered Lake Untersee, Antarctica.
16S rRNA
Antarctica
Anuchin Glacier
Lake Untersee
cryoconite holes
source tracking
transfer of biota
Journal
Frontiers in microbiology
ISSN: 1664-302X
Titre abrégé: Front Microbiol
Pays: Switzerland
ID NLM: 101548977
Informations de publication
Date de publication:
2019
2019
Historique:
received:
16
08
2018
accepted:
24
04
2019
entrez:
29
5
2019
pubmed:
28
5
2019
medline:
28
5
2019
Statut:
epublish
Résumé
Ultra-oligotrophic Lake Untersee is among the largest and deepest surface lakes of Central Queen Maud Land in East Antarctica. It is dammed at its north end by the Anuchin Glacier and the ice-cover dynamics are controlled by sublimation - not melt - as the dominating ablation process and therefore surface melt during austral summer does not provide significant amounts of water for recharge compared to subsurface melt of the Anuchin Glacier. Several studies have already described the structure and function of the microbial communities within the water column and benthic environments of Lake Untersee, however, thus far there have been no studies that examine the linkages between the lake ecosystem with that of the surrounding soils or the Anuchin Glacier. The glacier may also play an important role as a major contributor of nutrients and biota into the lake ecosystem. Based on microbial 16S rRNA amplicon sequencing, we showed that the dominant bacterial signatures in Lake Untersee, the Anuchin Glacier and its surrounding soils were affiliated with
Identifiants
pubmed: 31134036
doi: 10.3389/fmicb.2019.01019
pmc: PMC6524460
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1019Références
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