Response of marine bacterioplankton pH homeostasis gene expression to elevated CO2
7 páginas, 3 figuras Human-induced ocean acidification impacts marine life. Marine bacteria are major drivers of biogeochemical nutrient cycles and energy fluxes1; hence, understanding their performance under projected climate change scenarios is crucial for assessing ecosystem functioning. Whereas...
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Online Access: | http://hdl.handle.net/10261/132091 https://doi.org/10.1038/NCLIMATE2914 https://doi.org/10.13039/501100003329 |
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ftcsic:oai:digital.csic.es:10261/132091 2024-02-11T10:07:25+01:00 Response of marine bacterioplankton pH homeostasis gene expression to elevated CO2 Bunse, Carina Lundin, Daniel Karlsson, Christofer M.G. Akram, Neelam Vila-Costa, Maria Palovaara, J. Svensson, Lovisa Holmfeldt, Karin González, José M. Calvo, Eva María Pelejero, Carles Marrasé, Cèlia Dopson, Mark Gasol, Josep M. Pinhassi, Jarone Ministerio de Economía y Competitividad (España) 2016 http://hdl.handle.net/10261/132091 https://doi.org/10.1038/NCLIMATE2914 https://doi.org/10.13039/501100003329 en eng Nature Publishing Group #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2013-48292-C3-1-R http://dx.doi.org/10.1038/nclimate2914 Sí Nature Climate Change 6: 483–487 (2016) 1758-678X http://hdl.handle.net/10261/132091 doi:10.1038/NCLIMATE2914 1758-6798 http://dx.doi.org/10.13039/501100003329 none artículo http://purl.org/coar/resource_type/c_6501 2016 ftcsic https://doi.org/10.1038/NCLIMATE291410.13039/50110000332910.1038/nclimate2914 2024-01-16T10:15:13Z 7 páginas, 3 figuras Human-induced ocean acidification impacts marine life. Marine bacteria are major drivers of biogeochemical nutrient cycles and energy fluxes1; hence, understanding their performance under projected climate change scenarios is crucial for assessing ecosystem functioning. Whereas genetic and physiological responses of phytoplankton to ocean acidification are being disentangled2–4, corresponding functional responses of bacterioplankton to pH reduction from elevated CO2 are essentially unknown. Here we show, from metatranscriptome analyses of a phytoplankton bloom mesocosmexperiment, that marine bacteria responded to lowered pH by enhancing the expression of genes encoding proton pumps, such as respiration complexes, proteorhodopsin and membrane transporters. Moreover, taxonomic transcript analysis showed that distinct bacterial groups expressed di erent pH homeostasis genes in response to elevated CO2. These responses were substantial for numerous pH homeostasis genes under low-chlorophyll conditions (chlorophyll a<2.5 g l1); however, the changes in gene expression under high-chlorophyll conditions (chlorophyll a>20 g l1) were low. Given that proton expulsion through pH homeostasis mechanisms is energetically costly, these findings suggest that bacterioplankton adaptation to ocean acidification could have long-term e ects on the economy of ocean ecosystems. This research was financially supported by grants from the Göran Gustafsson Foundation for Research in Natural Sciences and Medicine, the Swedish Research Council VR, the Swedish Research Council FORMAS strong research programme EcoChange, and the BONUS BLUEPRINT project, which has received funding from BONUS, the joint Baltic Sea research and development programme (Art 185), funded jointly from the European Union's Seventh Programme for research, technological development and demonstration and from the Swedish Research Council FORMAS to J.Pinhassi. The research was also financially supported by the SpanishMinistry of Science and ... Article in Journal/Newspaper Ocean acidification Digital.CSIC (Spanish National Research Council) Nature Climate Change 6 5 483 487 |
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Open Polar |
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Digital.CSIC (Spanish National Research Council) |
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ftcsic |
language |
English |
description |
7 páginas, 3 figuras Human-induced ocean acidification impacts marine life. Marine bacteria are major drivers of biogeochemical nutrient cycles and energy fluxes1; hence, understanding their performance under projected climate change scenarios is crucial for assessing ecosystem functioning. Whereas genetic and physiological responses of phytoplankton to ocean acidification are being disentangled2–4, corresponding functional responses of bacterioplankton to pH reduction from elevated CO2 are essentially unknown. Here we show, from metatranscriptome analyses of a phytoplankton bloom mesocosmexperiment, that marine bacteria responded to lowered pH by enhancing the expression of genes encoding proton pumps, such as respiration complexes, proteorhodopsin and membrane transporters. Moreover, taxonomic transcript analysis showed that distinct bacterial groups expressed di erent pH homeostasis genes in response to elevated CO2. These responses were substantial for numerous pH homeostasis genes under low-chlorophyll conditions (chlorophyll a<2.5 g l1); however, the changes in gene expression under high-chlorophyll conditions (chlorophyll a>20 g l1) were low. Given that proton expulsion through pH homeostasis mechanisms is energetically costly, these findings suggest that bacterioplankton adaptation to ocean acidification could have long-term e ects on the economy of ocean ecosystems. This research was financially supported by grants from the Göran Gustafsson Foundation for Research in Natural Sciences and Medicine, the Swedish Research Council VR, the Swedish Research Council FORMAS strong research programme EcoChange, and the BONUS BLUEPRINT project, which has received funding from BONUS, the joint Baltic Sea research and development programme (Art 185), funded jointly from the European Union's Seventh Programme for research, technological development and demonstration and from the Swedish Research Council FORMAS to J.Pinhassi. The research was also financially supported by the SpanishMinistry of Science and ... |
author2 |
Ministerio de Economía y Competitividad (España) |
format |
Article in Journal/Newspaper |
author |
Bunse, Carina Lundin, Daniel Karlsson, Christofer M.G. Akram, Neelam Vila-Costa, Maria Palovaara, J. Svensson, Lovisa Holmfeldt, Karin González, José M. Calvo, Eva María Pelejero, Carles Marrasé, Cèlia Dopson, Mark Gasol, Josep M. Pinhassi, Jarone |
spellingShingle |
Bunse, Carina Lundin, Daniel Karlsson, Christofer M.G. Akram, Neelam Vila-Costa, Maria Palovaara, J. Svensson, Lovisa Holmfeldt, Karin González, José M. Calvo, Eva María Pelejero, Carles Marrasé, Cèlia Dopson, Mark Gasol, Josep M. Pinhassi, Jarone Response of marine bacterioplankton pH homeostasis gene expression to elevated CO2 |
author_facet |
Bunse, Carina Lundin, Daniel Karlsson, Christofer M.G. Akram, Neelam Vila-Costa, Maria Palovaara, J. Svensson, Lovisa Holmfeldt, Karin González, José M. Calvo, Eva María Pelejero, Carles Marrasé, Cèlia Dopson, Mark Gasol, Josep M. Pinhassi, Jarone |
author_sort |
Bunse, Carina |
title |
Response of marine bacterioplankton pH homeostasis gene expression to elevated CO2 |
title_short |
Response of marine bacterioplankton pH homeostasis gene expression to elevated CO2 |
title_full |
Response of marine bacterioplankton pH homeostasis gene expression to elevated CO2 |
title_fullStr |
Response of marine bacterioplankton pH homeostasis gene expression to elevated CO2 |
title_full_unstemmed |
Response of marine bacterioplankton pH homeostasis gene expression to elevated CO2 |
title_sort |
response of marine bacterioplankton ph homeostasis gene expression to elevated co2 |
publisher |
Nature Publishing Group |
publishDate |
2016 |
url |
http://hdl.handle.net/10261/132091 https://doi.org/10.1038/NCLIMATE2914 https://doi.org/10.13039/501100003329 |
genre |
Ocean acidification |
genre_facet |
Ocean acidification |
op_relation |
#PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CTM2013-48292-C3-1-R http://dx.doi.org/10.1038/nclimate2914 Sí Nature Climate Change 6: 483–487 (2016) 1758-678X http://hdl.handle.net/10261/132091 doi:10.1038/NCLIMATE2914 1758-6798 http://dx.doi.org/10.13039/501100003329 |
op_rights |
none |
op_doi |
https://doi.org/10.1038/NCLIMATE291410.13039/50110000332910.1038/nclimate2914 |
container_title |
Nature Climate Change |
container_volume |
6 |
container_issue |
5 |
container_start_page |
483 |
op_container_end_page |
487 |
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1790605980628680704 |