Novel microbial communities of the Haakon Mosby mud volcano and their role as a methane sink.
Mud volcanism is an important natural source of the greenhouse gas methane to the hydrosphere and atmosphere. Recent investigations show that the number of active submarine mud volcanoes might be much higher than anticipated (for example, see refs 3-5), and that gas emitted from deep-sea seeps might...
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ftunivnantes:oai:HAL:hal-00152649v1 2023-05-15T15:39:04+02:00 Novel microbial communities of the Haakon Mosby mud volcano and their role as a methane sink. Niemann, Helge Lösekann, Tina de Beer, Dirk Elvert, Marcus Nadalig, Thierry Knittel, Katrin Amann, Rudolf Sauter, Eberhard J Schlüter, Michael Klages, Michael Foucher, Jean Paul Boetius, Antje Max Planck Institute for Marine Microbiology Max-Planck-Gesellschaft Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung (AWI) International University Bremen (IUB) International University Bremen Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) Génétique moléculaire, génomique, microbiologie (GMGM) Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS) 2006-10-19 https://hal.science/hal-00152649 https://doi.org/10.1038/nature05227 en eng HAL CCSD Nature Publishing Group info:eu-repo/semantics/altIdentifier/doi/10.1038/nature05227 info:eu-repo/semantics/altIdentifier/pmid/17051217 hal-00152649 https://hal.science/hal-00152649 doi:10.1038/nature05227 PUBMED: 17051217 ISSN: 0028-0836 EISSN: 1476-4687 Nature https://hal.science/hal-00152649 Nature, 2006, 443 (7113), pp.854-8. ⟨10.1038/nature05227⟩ MESH: Archaea MESH: Bacteria MESH: Geologic Sediments MESH: Methane MESH: Molecular Sequence Data MESH: Oceans and Seas MESH: Seawater MESH: Sulfates MESH: Volcanic Eruption [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology info:eu-repo/semantics/article Journal articles 2006 ftunivnantes https://doi.org/10.1038/nature05227 2023-02-08T09:33:16Z Mud volcanism is an important natural source of the greenhouse gas methane to the hydrosphere and atmosphere. Recent investigations show that the number of active submarine mud volcanoes might be much higher than anticipated (for example, see refs 3-5), and that gas emitted from deep-sea seeps might reach the upper mixed ocean. Unfortunately, global methane emission from active submarine mud volcanoes cannot be quantified because their number and gas release are unknown. It is also unclear how efficiently methane-oxidizing microorganisms remove methane. Here we investigate the methane-emitting Haakon Mosby Mud Volcano (HMMV, Barents Sea, 72 degrees N, 14 degrees 44' E; 1,250 m water depth) to provide quantitative estimates of the in situ composition, distribution and activity of methanotrophs in relation to gas emission. The HMMV hosts three key communities: aerobic methanotrophic bacteria (Methylococcales), anaerobic methanotrophic archaea (ANME-2) thriving below siboglinid tubeworms, and a previously undescribed clade of archaea (ANME-3) associated with bacterial mats. We found that the upward flow of sulphate- and oxygen-free mud volcano fluids restricts the availability of these electron acceptors for methane oxidation, and hence the habitat range of methanotrophs. This mechanism limits the capacity of the microbial methane filter at active marine mud volcanoes to <40% of the total flux. Article in Journal/Newspaper Barents Sea Université de Nantes: HAL-UNIV-NANTES Barents Sea Nature 443 7113 854 858 |
institution |
Open Polar |
collection |
Université de Nantes: HAL-UNIV-NANTES |
op_collection_id |
ftunivnantes |
language |
English |
topic |
MESH: Archaea MESH: Bacteria MESH: Geologic Sediments MESH: Methane MESH: Molecular Sequence Data MESH: Oceans and Seas MESH: Seawater MESH: Sulfates MESH: Volcanic Eruption [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology |
spellingShingle |
MESH: Archaea MESH: Bacteria MESH: Geologic Sediments MESH: Methane MESH: Molecular Sequence Data MESH: Oceans and Seas MESH: Seawater MESH: Sulfates MESH: Volcanic Eruption [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology Niemann, Helge Lösekann, Tina de Beer, Dirk Elvert, Marcus Nadalig, Thierry Knittel, Katrin Amann, Rudolf Sauter, Eberhard J Schlüter, Michael Klages, Michael Foucher, Jean Paul Boetius, Antje Novel microbial communities of the Haakon Mosby mud volcano and their role as a methane sink. |
topic_facet |
MESH: Archaea MESH: Bacteria MESH: Geologic Sediments MESH: Methane MESH: Molecular Sequence Data MESH: Oceans and Seas MESH: Seawater MESH: Sulfates MESH: Volcanic Eruption [SDV.MP]Life Sciences [q-bio]/Microbiology and Parasitology |
description |
Mud volcanism is an important natural source of the greenhouse gas methane to the hydrosphere and atmosphere. Recent investigations show that the number of active submarine mud volcanoes might be much higher than anticipated (for example, see refs 3-5), and that gas emitted from deep-sea seeps might reach the upper mixed ocean. Unfortunately, global methane emission from active submarine mud volcanoes cannot be quantified because their number and gas release are unknown. It is also unclear how efficiently methane-oxidizing microorganisms remove methane. Here we investigate the methane-emitting Haakon Mosby Mud Volcano (HMMV, Barents Sea, 72 degrees N, 14 degrees 44' E; 1,250 m water depth) to provide quantitative estimates of the in situ composition, distribution and activity of methanotrophs in relation to gas emission. The HMMV hosts three key communities: aerobic methanotrophic bacteria (Methylococcales), anaerobic methanotrophic archaea (ANME-2) thriving below siboglinid tubeworms, and a previously undescribed clade of archaea (ANME-3) associated with bacterial mats. We found that the upward flow of sulphate- and oxygen-free mud volcano fluids restricts the availability of these electron acceptors for methane oxidation, and hence the habitat range of methanotrophs. This mechanism limits the capacity of the microbial methane filter at active marine mud volcanoes to <40% of the total flux. |
author2 |
Max Planck Institute for Marine Microbiology Max-Planck-Gesellschaft Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung (AWI) International University Bremen (IUB) International University Bremen Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER) Génétique moléculaire, génomique, microbiologie (GMGM) Université Louis Pasteur - Strasbourg I-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Niemann, Helge Lösekann, Tina de Beer, Dirk Elvert, Marcus Nadalig, Thierry Knittel, Katrin Amann, Rudolf Sauter, Eberhard J Schlüter, Michael Klages, Michael Foucher, Jean Paul Boetius, Antje |
author_facet |
Niemann, Helge Lösekann, Tina de Beer, Dirk Elvert, Marcus Nadalig, Thierry Knittel, Katrin Amann, Rudolf Sauter, Eberhard J Schlüter, Michael Klages, Michael Foucher, Jean Paul Boetius, Antje |
author_sort |
Niemann, Helge |
title |
Novel microbial communities of the Haakon Mosby mud volcano and their role as a methane sink. |
title_short |
Novel microbial communities of the Haakon Mosby mud volcano and their role as a methane sink. |
title_full |
Novel microbial communities of the Haakon Mosby mud volcano and their role as a methane sink. |
title_fullStr |
Novel microbial communities of the Haakon Mosby mud volcano and their role as a methane sink. |
title_full_unstemmed |
Novel microbial communities of the Haakon Mosby mud volcano and their role as a methane sink. |
title_sort |
novel microbial communities of the haakon mosby mud volcano and their role as a methane sink. |
publisher |
HAL CCSD |
publishDate |
2006 |
url |
https://hal.science/hal-00152649 https://doi.org/10.1038/nature05227 |
geographic |
Barents Sea |
geographic_facet |
Barents Sea |
genre |
Barents Sea |
genre_facet |
Barents Sea |
op_source |
ISSN: 0028-0836 EISSN: 1476-4687 Nature https://hal.science/hal-00152649 Nature, 2006, 443 (7113), pp.854-8. ⟨10.1038/nature05227⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1038/nature05227 info:eu-repo/semantics/altIdentifier/pmid/17051217 hal-00152649 https://hal.science/hal-00152649 doi:10.1038/nature05227 PUBMED: 17051217 |
op_doi |
https://doi.org/10.1038/nature05227 |
container_title |
Nature |
container_volume |
443 |
container_issue |
7113 |
container_start_page |
854 |
op_container_end_page |
858 |
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1766370500304437248 |