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Response of marine ...
Response of marine bacterioplankton pH homeostasis gene expression to elevated CO2
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- Bunse, Carina (author)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Lundin, Daniel (author)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Karlsson, Christofer M. G. (author)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Akram, Neelam (author)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Vila-Costa, Maria (author)
- Centre d’Estudis Avançats de Blanes-CSIC, Spain
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- Palovaara, Joakim (author)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Svensson, Lovisa (author)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Holmfeldt, Karin (author)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- González, José M. (author)
- University of La Laguna, Spain
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- Calvo, Eva (author)
- Institut de Ciències del Mar—CSIC, Spain
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- Pelejero, Carles (author)
- Institut de Ciències del Mar—CSIC, Spain
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- Marrasé, Cèlia (author)
- Institut de Ciències del Mar—CSIC, Spain
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- Dopson, Mark (author)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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- Gasol, Josep M. (author)
- Institut de Ciències del Mar—CSIC, Spain
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- Pinhassi, Jarone (author)
- Linnéuniversitetet,Institutionen för biologi och miljö (BOM),Ctr Ecol & Evolut Microbial Model Syst EEMiS
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(creator_code:org_t)
- 2016-01-11
- 2016
- English.
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In: Nature Climate Change. - : Macmillan Publishers Ltd.. - 1758-678X .- 1758-6798. ; 6:5, s. 483-487
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- 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, 3, 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 mesocosm experiment, 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 different 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 μg l−1); however, the changes in gene expression under high-chlorophyll conditions (chlorophyll a >20 μg l−1) 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 effects on the economy of ocean ecosystems.
Subject headings
- NATURVETENSKAP -- Biologi -- Mikrobiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Microbiology (hsv//eng)
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
Keyword
- Mikrobiologi
- Microbiology
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Bunse, Carina
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Lundin, Daniel
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Karlsson, Christ ...
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Akram, Neelam
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Vila-Costa, Mari ...
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Palovaara, Joaki ...
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show more...
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Svensson, Lovisa
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Holmfeldt, Karin
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González, José M ...
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Calvo, Eva
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Pelejero, Carles
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Marrasé, Cèlia
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Dopson, Mark
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Gasol, Josep M.
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Pinhassi, Jarone
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Microbiology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Ecology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Climate Research
- Articles in the publication
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Nature Climate C ...
- By the university
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Umeå University
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Linnaeus University