Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean
We examined nitrification in the euphotic zone, its impact on the nitrogen cycles, and the controlling factors along a 7500 km transect from the equatorial Pacific Ocean to the Arctic Ocean. Ammonia oxidation occurred in the euphotic zone at most of the stations. The gene and transcript abundances f...
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ftpubmed:oai:pubmedcentral.nih.gov:4989309 2023-05-15T14:59:59+02:00 Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean Shiozaki, Takuhei Ijichi, Minoru Isobe, Kazuo Hashihama, Fuminori Nakamura, Ken-ichi Ehama, Makoto Hayashizaki, Ken-ichi Takahashi, Kazutaka Hamasaki, Koji Furuya, Ken 2016-09 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4989309/ http://www.ncbi.nlm.nih.gov/pubmed/26918664 https://doi.org/10.1038/ismej.2016.18 en eng Nature Publishing Group http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4989309/ http://www.ncbi.nlm.nih.gov/pubmed/26918664 http://dx.doi.org/10.1038/ismej.2016.18 Copyright © 2016 International Society for Microbial Ecology http://creativecommons.org/licenses/by-nc-sa/4.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/ CC-BY-NC-SA Original Article Text 2016 ftpubmed https://doi.org/10.1038/ismej.2016.18 2016-09-04T00:24:49Z We examined nitrification in the euphotic zone, its impact on the nitrogen cycles, and the controlling factors along a 7500 km transect from the equatorial Pacific Ocean to the Arctic Ocean. Ammonia oxidation occurred in the euphotic zone at most of the stations. The gene and transcript abundances for ammonia oxidation indicated that the shallow clade archaea were the major ammonia oxidizers throughout the study regions. Ammonia oxidation accounted for up to 87.4% (average 55.6%) of the rate of nitrate assimilation in the subtropical oligotrophic region. However, in the shallow Bering and Chukchi sea shelves (bottom ⩽67 m), the percentage was small (0–4.74%) because ammonia oxidation and the abundance of ammonia oxidizers were low, the light environment being one possible explanation for the low activity. With the exception of the shallow bottom stations, depth-integrated ammonia oxidation was positively correlated with depth-integrated primary production. Ammonia oxidation was low in the high-nutrient low-chlorophyll subarctic region and high in the Bering Sea Green Belt, and primary production in both was influenced by micronutrient supply. An ammonium kinetics experiment demonstrated that ammonia oxidation did not increase significantly with the addition of 31–1560 nm ammonium at most stations except in the Bering Sea Green Belt. Thus, the relationship between ammonia oxidation and primary production does not simply indicate that ammonia oxidation increased with ammonium supply through decomposition of organic matter produced by primary production but that ammonia oxidation might also be controlled by micronutrient availability as with primary production. Text Arctic Arctic Ocean Bering Sea Chukchi Chukchi Sea Subarctic PubMed Central (PMC) Arctic Arctic Ocean Bering Sea Chukchi Sea Pacific The ISME Journal 10 9 2184 2197 |
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topic |
Original Article |
spellingShingle |
Original Article Shiozaki, Takuhei Ijichi, Minoru Isobe, Kazuo Hashihama, Fuminori Nakamura, Ken-ichi Ehama, Makoto Hayashizaki, Ken-ichi Takahashi, Kazutaka Hamasaki, Koji Furuya, Ken Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean |
topic_facet |
Original Article |
description |
We examined nitrification in the euphotic zone, its impact on the nitrogen cycles, and the controlling factors along a 7500 km transect from the equatorial Pacific Ocean to the Arctic Ocean. Ammonia oxidation occurred in the euphotic zone at most of the stations. The gene and transcript abundances for ammonia oxidation indicated that the shallow clade archaea were the major ammonia oxidizers throughout the study regions. Ammonia oxidation accounted for up to 87.4% (average 55.6%) of the rate of nitrate assimilation in the subtropical oligotrophic region. However, in the shallow Bering and Chukchi sea shelves (bottom ⩽67 m), the percentage was small (0–4.74%) because ammonia oxidation and the abundance of ammonia oxidizers were low, the light environment being one possible explanation for the low activity. With the exception of the shallow bottom stations, depth-integrated ammonia oxidation was positively correlated with depth-integrated primary production. Ammonia oxidation was low in the high-nutrient low-chlorophyll subarctic region and high in the Bering Sea Green Belt, and primary production in both was influenced by micronutrient supply. An ammonium kinetics experiment demonstrated that ammonia oxidation did not increase significantly with the addition of 31–1560 nm ammonium at most stations except in the Bering Sea Green Belt. Thus, the relationship between ammonia oxidation and primary production does not simply indicate that ammonia oxidation increased with ammonium supply through decomposition of organic matter produced by primary production but that ammonia oxidation might also be controlled by micronutrient availability as with primary production. |
format |
Text |
author |
Shiozaki, Takuhei Ijichi, Minoru Isobe, Kazuo Hashihama, Fuminori Nakamura, Ken-ichi Ehama, Makoto Hayashizaki, Ken-ichi Takahashi, Kazutaka Hamasaki, Koji Furuya, Ken |
author_facet |
Shiozaki, Takuhei Ijichi, Minoru Isobe, Kazuo Hashihama, Fuminori Nakamura, Ken-ichi Ehama, Makoto Hayashizaki, Ken-ichi Takahashi, Kazutaka Hamasaki, Koji Furuya, Ken |
author_sort |
Shiozaki, Takuhei |
title |
Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean |
title_short |
Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean |
title_full |
Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean |
title_fullStr |
Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean |
title_full_unstemmed |
Nitrification and its influence on biogeochemical cycles from the equatorial Pacific to the Arctic Ocean |
title_sort |
nitrification and its influence on biogeochemical cycles from the equatorial pacific to the arctic ocean |
publisher |
Nature Publishing Group |
publishDate |
2016 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4989309/ http://www.ncbi.nlm.nih.gov/pubmed/26918664 https://doi.org/10.1038/ismej.2016.18 |
geographic |
Arctic Arctic Ocean Bering Sea Chukchi Sea Pacific |
geographic_facet |
Arctic Arctic Ocean Bering Sea Chukchi Sea Pacific |
genre |
Arctic Arctic Ocean Bering Sea Chukchi Chukchi Sea Subarctic |
genre_facet |
Arctic Arctic Ocean Bering Sea Chukchi Chukchi Sea Subarctic |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4989309/ http://www.ncbi.nlm.nih.gov/pubmed/26918664 http://dx.doi.org/10.1038/ismej.2016.18 |
op_rights |
Copyright © 2016 International Society for Microbial Ecology http://creativecommons.org/licenses/by-nc-sa/4.0/ This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/ |
op_rightsnorm |
CC-BY-NC-SA |
op_doi |
https://doi.org/10.1038/ismej.2016.18 |
container_title |
The ISME Journal |
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10 |
container_issue |
9 |
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2184 |
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2197 |
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