Arctic cyanobacterial mat community diversity decreases with latitude across the Canadian Arctic.
Cyanobacterial mats are commonly reported as hotspots of microbial diversity across polar environments. These thick, multilayered microbial communities provide a refuge from extreme environmental conditions, with many species able to grow and coexist despite the low allochthonous nutrient inputs. Th...
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Online Access: | https://doi.org/10.1093/femsec/fiae067 https://pubmed.ncbi.nlm.nih.gov/38653723 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092279/ |
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ftpubmed:38653723 2024-06-09T07:42:55+00:00 Arctic cyanobacterial mat community diversity decreases with latitude across the Canadian Arctic. Hooper, Patrick M Bass, David Feil, Edward J Vincent, Warwick F Lovejoy, Connie Owen, Christopher J Tsola, Stephania L Jungblut, Anne D 2024 May 14 https://doi.org/10.1093/femsec/fiae067 https://pubmed.ncbi.nlm.nih.gov/38653723 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092279/ eng eng Silverchair Information Systems https://doi.org/10.1093/femsec/fiae067 https://pubmed.ncbi.nlm.nih.gov/38653723 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092279/ © The Author(s) 2024. Published by Oxford University Press on behalf of FEMS. FEMS Microbiol Ecol ISSN:1574-6941 Volume:100 Issue:6 16S rRNA 18S rRNA Arctic aquatic ecosystems microbial mats protists Journal Article 2024 ftpubmed https://doi.org/10.1093/femsec/fiae067 2024-05-16T16:03:00Z Cyanobacterial mats are commonly reported as hotspots of microbial diversity across polar environments. These thick, multilayered microbial communities provide a refuge from extreme environmental conditions, with many species able to grow and coexist despite the low allochthonous nutrient inputs. The visibly dominant phototrophic biomass is dependent on internal nutrient recycling by heterotrophic organisms within the mats; however, the specific contribution of heterotrophic protists remains little explored. In this study, mat community diversity was examined along a latitudinal gradient (55-83°N), spanning subarctic taiga, tundra, polar desert, and the High Arctic ice shelves. The prokaryotic and eukaryotic communities were targeted, respectively, by V4 16S ribosomal RNA (rRNA) and V9 18S rRNA gene amplicon high-throughput sequencing. Prokaryotic and eukaryotic richness decreased, in tandem with decreasing temperatures and shorter seasons of light availability, from the subarctic to the High Arctic. Taxonomy-based annotation of the protist community revealed diverse phototrophic, mixotrophic, and heterotrophic genera in all mat communities, with fewer parasitic taxa in High Arctic communities. Co-occurrence network analysis identified greater heterogeneity in eukaryotic than prokaryotic community structure among cyanobacterial mats across the Canadian Arctic. Our findings highlight the sensitivity of microbial eukaryotes to environmental gradients across northern high latitudes. Article in Journal/Newspaper Arctic Ice Shelves polar desert Subarctic taiga Tundra PubMed Central (PMC) Arctic FEMS Microbiology Ecology 100 6 |
institution |
Open Polar |
collection |
PubMed Central (PMC) |
op_collection_id |
ftpubmed |
language |
English |
topic |
16S rRNA 18S rRNA Arctic aquatic ecosystems microbial mats protists |
spellingShingle |
16S rRNA 18S rRNA Arctic aquatic ecosystems microbial mats protists Hooper, Patrick M Bass, David Feil, Edward J Vincent, Warwick F Lovejoy, Connie Owen, Christopher J Tsola, Stephania L Jungblut, Anne D Arctic cyanobacterial mat community diversity decreases with latitude across the Canadian Arctic. |
topic_facet |
16S rRNA 18S rRNA Arctic aquatic ecosystems microbial mats protists |
description |
Cyanobacterial mats are commonly reported as hotspots of microbial diversity across polar environments. These thick, multilayered microbial communities provide a refuge from extreme environmental conditions, with many species able to grow and coexist despite the low allochthonous nutrient inputs. The visibly dominant phototrophic biomass is dependent on internal nutrient recycling by heterotrophic organisms within the mats; however, the specific contribution of heterotrophic protists remains little explored. In this study, mat community diversity was examined along a latitudinal gradient (55-83°N), spanning subarctic taiga, tundra, polar desert, and the High Arctic ice shelves. The prokaryotic and eukaryotic communities were targeted, respectively, by V4 16S ribosomal RNA (rRNA) and V9 18S rRNA gene amplicon high-throughput sequencing. Prokaryotic and eukaryotic richness decreased, in tandem with decreasing temperatures and shorter seasons of light availability, from the subarctic to the High Arctic. Taxonomy-based annotation of the protist community revealed diverse phototrophic, mixotrophic, and heterotrophic genera in all mat communities, with fewer parasitic taxa in High Arctic communities. Co-occurrence network analysis identified greater heterogeneity in eukaryotic than prokaryotic community structure among cyanobacterial mats across the Canadian Arctic. Our findings highlight the sensitivity of microbial eukaryotes to environmental gradients across northern high latitudes. |
format |
Article in Journal/Newspaper |
author |
Hooper, Patrick M Bass, David Feil, Edward J Vincent, Warwick F Lovejoy, Connie Owen, Christopher J Tsola, Stephania L Jungblut, Anne D |
author_facet |
Hooper, Patrick M Bass, David Feil, Edward J Vincent, Warwick F Lovejoy, Connie Owen, Christopher J Tsola, Stephania L Jungblut, Anne D |
author_sort |
Hooper, Patrick M |
title |
Arctic cyanobacterial mat community diversity decreases with latitude across the Canadian Arctic. |
title_short |
Arctic cyanobacterial mat community diversity decreases with latitude across the Canadian Arctic. |
title_full |
Arctic cyanobacterial mat community diversity decreases with latitude across the Canadian Arctic. |
title_fullStr |
Arctic cyanobacterial mat community diversity decreases with latitude across the Canadian Arctic. |
title_full_unstemmed |
Arctic cyanobacterial mat community diversity decreases with latitude across the Canadian Arctic. |
title_sort |
arctic cyanobacterial mat community diversity decreases with latitude across the canadian arctic. |
publisher |
Silverchair Information Systems |
publishDate |
2024 |
url |
https://doi.org/10.1093/femsec/fiae067 https://pubmed.ncbi.nlm.nih.gov/38653723 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092279/ |
geographic |
Arctic |
geographic_facet |
Arctic |
genre |
Arctic Ice Shelves polar desert Subarctic taiga Tundra |
genre_facet |
Arctic Ice Shelves polar desert Subarctic taiga Tundra |
op_source |
FEMS Microbiol Ecol ISSN:1574-6941 Volume:100 Issue:6 |
op_relation |
https://doi.org/10.1093/femsec/fiae067 https://pubmed.ncbi.nlm.nih.gov/38653723 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11092279/ |
op_rights |
© The Author(s) 2024. Published by Oxford University Press on behalf of FEMS. |
op_doi |
https://doi.org/10.1093/femsec/fiae067 |
container_title |
FEMS Microbiology Ecology |
container_volume |
100 |
container_issue |
6 |
_version_ |
1801371622122192896 |