Bicarbonate Transport and Extracellular Carbonic Anhydrase Activity in Bering Sea Phytoplankton Assemblages: Results from Isotope Disequilibrium Experiments
We used a14C isotope disequilibrium technique to provide quantitative estimates of both direct HCO3 -transport and extracellular CA activity in Bering Sea phytoplankton assemblages. The method revealed that direct HCO3 -transport was the dominant mechanism of inorganic C uptake in both coastal and o...
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| Veröffentlicht in: | Limnology and oceanography 2006-09, Vol.51 (5), p.2111-2121 |
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| container_title | Limnology and oceanography |
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| creator | Martin, Cheryl L. Tortell, Philippe D. |
| description | We used a14C isotope disequilibrium technique to provide quantitative estimates of both direct HCO3
-transport and extracellular CA activity in Bering Sea phytoplankton assemblages. The method revealed that direct HCO3
-transport was the dominant mechanism of inorganic C uptake in both coastal and open ocean waters, accounting for more than half of the total C flux to the phytoplankton. The relative importance of HCO3
-transport was not related to phytoplankton biomass, productivity, or ambient CO2concentrations at individual sampling stations. However, HCO3
-transport and total inorganic C uptake rates decreased in response to elevated CO2in direct manipulation experiments. Kinetic analysis of the14C time-course data revealed low levels of extracellular carbonic anhydrase activity at most stations. This activity was related to phytoplankton taxonomic compositions and/or CO2concentrations, but was relatively unaffected by direct CO2manipulations. |
| doi_str_mv | 10.4319/lo.2006.51.5.2111 |
| format | Article |
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-transport and extracellular CA activity in Bering Sea phytoplankton assemblages. The method revealed that direct HCO3
-transport was the dominant mechanism of inorganic C uptake in both coastal and open ocean waters, accounting for more than half of the total C flux to the phytoplankton. The relative importance of HCO3
-transport was not related to phytoplankton biomass, productivity, or ambient CO2concentrations at individual sampling stations. However, HCO3
-transport and total inorganic C uptake rates decreased in response to elevated CO2in direct manipulation experiments. Kinetic analysis of the14C time-course data revealed low levels of extracellular carbonic anhydrase activity at most stations. This activity was related to phytoplankton taxonomic compositions and/or CO2concentrations, but was relatively unaffected by direct CO2manipulations.</description><identifier>ISSN: 0024-3590</identifier><identifier>EISSN: 1939-5590</identifier><identifier>DOI: 10.4319/lo.2006.51.5.2111</identifier><identifier>CODEN: LIOCAH</identifier><language>eng</language><publisher>Waco, TX: The American Society of Limnology and Oceanography</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Biological and medical sciences ; Carbon dioxide ; Diatoms ; Fundamental and applied biological sciences. Psychology ; Isotopes ; Marine ; Market disequilibrium ; Oceans ; Phytoplankton ; Radiocarbon ; Sea transportation ; Sea water ; Sea water ecosystems ; Seas ; Synecology</subject><ispartof>Limnology and oceanography, 2006-09, Vol.51 (5), p.2111-2121</ispartof><rights>Copyright 2006 American Society of Limnology and Oceanography, Inc.</rights><rights>2006, by the Association for the Sciences of Limnology and Oceanography, Inc.</rights><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4471-fbc66672516ee6ff0bdffd2d821bf109e11cbf5722bef1bd3f69c2c95d5b79ec3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/3841051$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/3841051$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,776,780,799,1411,1427,27901,27902,45550,45551,46384,46808,57992,58225</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18120712$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Martin, Cheryl L.</creatorcontrib><creatorcontrib>Tortell, Philippe D.</creatorcontrib><title>Bicarbonate Transport and Extracellular Carbonic Anhydrase Activity in Bering Sea Phytoplankton Assemblages: Results from Isotope Disequilibrium Experiments</title><title>Limnology and oceanography</title><description>We used a14C isotope disequilibrium technique to provide quantitative estimates of both direct HCO3
-transport and extracellular CA activity in Bering Sea phytoplankton assemblages. The method revealed that direct HCO3
-transport was the dominant mechanism of inorganic C uptake in both coastal and open ocean waters, accounting for more than half of the total C flux to the phytoplankton. The relative importance of HCO3
-transport was not related to phytoplankton biomass, productivity, or ambient CO2concentrations at individual sampling stations. However, HCO3
-transport and total inorganic C uptake rates decreased in response to elevated CO2in direct manipulation experiments. Kinetic analysis of the14C time-course data revealed low levels of extracellular carbonic anhydrase activity at most stations. This activity was related to phytoplankton taxonomic compositions and/or CO2concentrations, but was relatively unaffected by direct CO2manipulations.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Biological and medical sciences</subject><subject>Carbon dioxide</subject><subject>Diatoms</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Isotopes</subject><subject>Marine</subject><subject>Market disequilibrium</subject><subject>Oceans</subject><subject>Phytoplankton</subject><subject>Radiocarbon</subject><subject>Sea transportation</subject><subject>Sea water</subject><subject>Sea water ecosystems</subject><subject>Seas</subject><subject>Synecology</subject><issn>0024-3590</issn><issn>1939-5590</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFkUFvEzEQhVcIJELhByBx8AVuu_V4490YiUOaFlopogjK2fJ6x62Ls049XiD_hR_LhkRw5GTL-t57M35F8RJ4Na9BnYZYCc6bSkIlKwEAj4oZqFqVUir-uJhxLuZlPd2fFs-I7jnnSko5K36deWtSFweTkd0kM9A2pszM0LOLnzkZiyGMwSS2-kN5y5bD3a5PhpAtbfbffd4xP7AzTH64ZV_QsE93uxy3wQzfchzYkgg3XTC3SG_ZZ6QxZGIuxQ27ojhxyM494cPog--SHzdT7Hby2uCQ6XnxxJlA-OJ4nhRf31_crC7L9fWHq9VyXdr5vIXSdbZpmlZIaBAb53jXO9eLfiGgc8AVAtjOyVaIDh10fe0aZYVVspddq9DWJ8Wbg-82xYcRKeuNp_3mZsA4kha8Vu2CqwmEA2hTJEro9HYa1aSdBq73PegQ9b4HLUFLve9h0rw-mhuyJrjpj62nf8IFCN6CmLh3B-6HD7j7v7Fef7zev0iQx5xXB_095Zj-6uvFHLiE-jf13qkd</recordid><startdate>200609</startdate><enddate>200609</enddate><creator>Martin, Cheryl L.</creator><creator>Tortell, Philippe D.</creator><general>The American Society of Limnology and Oceanography</general><general>American Society of Limnology and Oceanography</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7TN</scope><scope>C1K</scope><scope>F1W</scope><scope>H95</scope><scope>H96</scope><scope>L.G</scope><scope>M7N</scope></search><sort><creationdate>200609</creationdate><title>Bicarbonate Transport and Extracellular Carbonic Anhydrase Activity in Bering Sea Phytoplankton Assemblages: Results from Isotope Disequilibrium Experiments</title><author>Martin, Cheryl L. ; Tortell, Philippe D.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4471-fbc66672516ee6ff0bdffd2d821bf109e11cbf5722bef1bd3f69c2c95d5b79ec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Biological and medical sciences</topic><topic>Carbon dioxide</topic><topic>Diatoms</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Isotopes</topic><topic>Marine</topic><topic>Market disequilibrium</topic><topic>Oceans</topic><topic>Phytoplankton</topic><topic>Radiocarbon</topic><topic>Sea transportation</topic><topic>Sea water</topic><topic>Sea water ecosystems</topic><topic>Seas</topic><topic>Synecology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Martin, Cheryl L.</creatorcontrib><creatorcontrib>Tortell, Philippe D.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><jtitle>Limnology and oceanography</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Martin, Cheryl L.</au><au>Tortell, Philippe D.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Bicarbonate Transport and Extracellular Carbonic Anhydrase Activity in Bering Sea Phytoplankton Assemblages: Results from Isotope Disequilibrium Experiments</atitle><jtitle>Limnology and oceanography</jtitle><date>2006-09</date><risdate>2006</risdate><volume>51</volume><issue>5</issue><spage>2111</spage><epage>2121</epage><pages>2111-2121</pages><issn>0024-3590</issn><eissn>1939-5590</eissn><coden>LIOCAH</coden><abstract>We used a14C isotope disequilibrium technique to provide quantitative estimates of both direct HCO3
-transport and extracellular CA activity in Bering Sea phytoplankton assemblages. The method revealed that direct HCO3
-transport was the dominant mechanism of inorganic C uptake in both coastal and open ocean waters, accounting for more than half of the total C flux to the phytoplankton. The relative importance of HCO3
-transport was not related to phytoplankton biomass, productivity, or ambient CO2concentrations at individual sampling stations. However, HCO3
-transport and total inorganic C uptake rates decreased in response to elevated CO2in direct manipulation experiments. Kinetic analysis of the14C time-course data revealed low levels of extracellular carbonic anhydrase activity at most stations. This activity was related to phytoplankton taxonomic compositions and/or CO2concentrations, but was relatively unaffected by direct CO2manipulations.</abstract><cop>Waco, TX</cop><pub>The American Society of Limnology and Oceanography</pub><doi>10.4319/lo.2006.51.5.2111</doi><tpages>11</tpages></addata></record> |
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| ispartof | Limnology and oceanography, 2006-09, Vol.51 (5), p.2111-2121 |
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| source | Wiley-Blackwell Journals; Wiley Free Archive; Alma/SFX Local Collection; JSTOR; EZB Electronic Journals Library |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences Carbon dioxide Diatoms Fundamental and applied biological sciences. Psychology Isotopes Marine Market disequilibrium Oceans Phytoplankton Radiocarbon Sea transportation Sea water Sea water ecosystems Seas Synecology |
| title | Bicarbonate Transport and Extracellular Carbonic Anhydrase Activity in Bering Sea Phytoplankton Assemblages: Results from Isotope Disequilibrium Experiments |
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