Summer community structure of aerobic anoxygenic phototrophic bacteria in the western Arctic Ocean
International audience Aerobic anoxygenic phototrophic (AAP) bacteria are found in a range of aquatic and terrestrial environments, potentially playing unique roles in biogeochemical cycles. Although known to occur in the Arctic Ocean, their ecology and the factors that govern their community struct...
Published in: | FEMS Microbiology Ecology |
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Online Access: | https://hal.sorbonne-universite.fr/hal-01140647 https://hal.sorbonne-universite.fr/hal-01140647/document https://hal.sorbonne-universite.fr/hal-01140647/file/Boeuf_2013_Summer_community.pdf https://doi.org/10.1111/1574-6941.12130 |
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ftsorbonneuniv:oai:HAL:hal-01140647v1 2024-02-11T10:00:20+01:00 Summer community structure of aerobic anoxygenic phototrophic bacteria in the western Arctic Ocean Boeuf, Dominique Cottrell, Matthew T. Kirchman, David L. Lebaron, Philippe Jeanthon, Christian Procaryotes Phototrophes Marins = MArine Phototrophic Prokaryotes (MAPP) Adaptation et diversité en milieu marin (AD2M) Station biologique de Roscoff Roscoff (SBR) Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Station biologique de Roscoff Roscoff (SBR) Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) School of Marine Science and Policy University of Delaware Newark Laboratoire d'Océanographie Microbienne (LOMIC) Observatoire océanologique de Banyuls (OOB) 2013-09 https://hal.sorbonne-universite.fr/hal-01140647 https://hal.sorbonne-universite.fr/hal-01140647/document https://hal.sorbonne-universite.fr/hal-01140647/file/Boeuf_2013_Summer_community.pdf https://doi.org/10.1111/1574-6941.12130 en eng HAL CCSD Wiley-Blackwell info:eu-repo/semantics/altIdentifier/doi/10.1111/1574-6941.12130 hal-01140647 https://hal.sorbonne-universite.fr/hal-01140647 https://hal.sorbonne-universite.fr/hal-01140647/document https://hal.sorbonne-universite.fr/hal-01140647/file/Boeuf_2013_Summer_community.pdf doi:10.1111/1574-6941.12130 info:eu-repo/semantics/OpenAccess ISSN: 0168-6496 EISSN: 1574-6941 FEMS Microbiology Ecology https://hal.sorbonne-universite.fr/hal-01140647 FEMS Microbiology Ecology, 2013, 85 (3), pp.417-432. ⟨10.1111/1574-6941.12130⟩ bacteriochlorophyll pufM gene photoheterotroph aerobic anoxygenic phototrophic bacteria Arctic Ocean Mackenzie River [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere info:eu-repo/semantics/article Journal articles 2013 ftsorbonneuniv https://doi.org/10.1111/1574-6941.12130 2024-01-23T23:58:01Z International audience Aerobic anoxygenic phototrophic (AAP) bacteria are found in a range of aquatic and terrestrial environments, potentially playing unique roles in biogeochemical cycles. Although known to occur in the Arctic Ocean, their ecology and the factors that govern their community structure and distribution in this extreme environment are poorly understood. Here, we examined summer AAP abundance and diversity in the North East Pacific and the Arctic Ocean with emphasis on the southern Beaufort Sea. AAP bacteria comprised up to 10 and 14% of the prokaryotic community in the bottom nepheloid layer and surface waters of the Mackenzie plume, respectively. However, relative AAP abundances were low in offshore waters. Environmental pufM clone libraries revealed that AAP bacteria in the Alphaproteobacteria and Betaproteobacteria classes dominated in offshore and in river-influenced surface waters, respectively. The most frequent AAP group was a new uncultivated betaproteobacterial clade whose abundance decreased along the salinity gradient of the Mackenzie plume even though its photosynthetic genes were actively expressed in offshore waters. Our data indicate that AAP bacterial assemblages represented a mixture of freshwater and marine taxa mostly restricted to the Arctic Ocean and highlight the substantial influence of riverine inputs on their distribution in coastal environments. Article in Journal/Newspaper Arctic Arctic Ocean Beaufort Sea Mackenzie river HAL Sorbonne Université Arctic Arctic Ocean Mackenzie River Pacific FEMS Microbiology Ecology 85 3 417 432 |
institution |
Open Polar |
collection |
HAL Sorbonne Université |
op_collection_id |
ftsorbonneuniv |
language |
English |
topic |
bacteriochlorophyll pufM gene photoheterotroph aerobic anoxygenic phototrophic bacteria Arctic Ocean Mackenzie River [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
spellingShingle |
bacteriochlorophyll pufM gene photoheterotroph aerobic anoxygenic phototrophic bacteria Arctic Ocean Mackenzie River [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere Boeuf, Dominique Cottrell, Matthew T. Kirchman, David L. Lebaron, Philippe Jeanthon, Christian Summer community structure of aerobic anoxygenic phototrophic bacteria in the western Arctic Ocean |
topic_facet |
bacteriochlorophyll pufM gene photoheterotroph aerobic anoxygenic phototrophic bacteria Arctic Ocean Mackenzie River [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere |
description |
International audience Aerobic anoxygenic phototrophic (AAP) bacteria are found in a range of aquatic and terrestrial environments, potentially playing unique roles in biogeochemical cycles. Although known to occur in the Arctic Ocean, their ecology and the factors that govern their community structure and distribution in this extreme environment are poorly understood. Here, we examined summer AAP abundance and diversity in the North East Pacific and the Arctic Ocean with emphasis on the southern Beaufort Sea. AAP bacteria comprised up to 10 and 14% of the prokaryotic community in the bottom nepheloid layer and surface waters of the Mackenzie plume, respectively. However, relative AAP abundances were low in offshore waters. Environmental pufM clone libraries revealed that AAP bacteria in the Alphaproteobacteria and Betaproteobacteria classes dominated in offshore and in river-influenced surface waters, respectively. The most frequent AAP group was a new uncultivated betaproteobacterial clade whose abundance decreased along the salinity gradient of the Mackenzie plume even though its photosynthetic genes were actively expressed in offshore waters. Our data indicate that AAP bacterial assemblages represented a mixture of freshwater and marine taxa mostly restricted to the Arctic Ocean and highlight the substantial influence of riverine inputs on their distribution in coastal environments. |
author2 |
Procaryotes Phototrophes Marins = MArine Phototrophic Prokaryotes (MAPP) Adaptation et diversité en milieu marin (AD2M) Station biologique de Roscoff Roscoff (SBR) Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)-Station biologique de Roscoff Roscoff (SBR) Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS) School of Marine Science and Policy University of Delaware Newark Laboratoire d'Océanographie Microbienne (LOMIC) Observatoire océanologique de Banyuls (OOB) |
format |
Article in Journal/Newspaper |
author |
Boeuf, Dominique Cottrell, Matthew T. Kirchman, David L. Lebaron, Philippe Jeanthon, Christian |
author_facet |
Boeuf, Dominique Cottrell, Matthew T. Kirchman, David L. Lebaron, Philippe Jeanthon, Christian |
author_sort |
Boeuf, Dominique |
title |
Summer community structure of aerobic anoxygenic phototrophic bacteria in the western Arctic Ocean |
title_short |
Summer community structure of aerobic anoxygenic phototrophic bacteria in the western Arctic Ocean |
title_full |
Summer community structure of aerobic anoxygenic phototrophic bacteria in the western Arctic Ocean |
title_fullStr |
Summer community structure of aerobic anoxygenic phototrophic bacteria in the western Arctic Ocean |
title_full_unstemmed |
Summer community structure of aerobic anoxygenic phototrophic bacteria in the western Arctic Ocean |
title_sort |
summer community structure of aerobic anoxygenic phototrophic bacteria in the western arctic ocean |
publisher |
HAL CCSD |
publishDate |
2013 |
url |
https://hal.sorbonne-universite.fr/hal-01140647 https://hal.sorbonne-universite.fr/hal-01140647/document https://hal.sorbonne-universite.fr/hal-01140647/file/Boeuf_2013_Summer_community.pdf https://doi.org/10.1111/1574-6941.12130 |
geographic |
Arctic Arctic Ocean Mackenzie River Pacific |
geographic_facet |
Arctic Arctic Ocean Mackenzie River Pacific |
genre |
Arctic Arctic Ocean Beaufort Sea Mackenzie river |
genre_facet |
Arctic Arctic Ocean Beaufort Sea Mackenzie river |
op_source |
ISSN: 0168-6496 EISSN: 1574-6941 FEMS Microbiology Ecology https://hal.sorbonne-universite.fr/hal-01140647 FEMS Microbiology Ecology, 2013, 85 (3), pp.417-432. ⟨10.1111/1574-6941.12130⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1111/1574-6941.12130 hal-01140647 https://hal.sorbonne-universite.fr/hal-01140647 https://hal.sorbonne-universite.fr/hal-01140647/document https://hal.sorbonne-universite.fr/hal-01140647/file/Boeuf_2013_Summer_community.pdf doi:10.1111/1574-6941.12130 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1111/1574-6941.12130 |
container_title |
FEMS Microbiology Ecology |
container_volume |
85 |
container_issue |
3 |
container_start_page |
417 |
op_container_end_page |
432 |
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1790596032507150336 |