Community structure and physiological characterization of microbial mats in Byers Peninsula, Livingston Island (South Shetland Islands, Antarctica)
The community structure and physiological characteristics of three microbial mat communities in Byers Peninsula (Livingston Island, South Shetland Islands, Antarctica) were compared. One of the mats was located at the edge of a stream and was dominated by diatoms (with a thin basal layer of oscillat...
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| Veröffentlicht in: | FEMS microbiology ecology 2007-02, Vol.59 (2), p.377-385 |
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| creator | Fernández-Valiente, Eduardo Camacho, Antonio Rochera, Carlos Rico, Eugenio Vincent, Warwick F Quesada, Antonio |
| description | The community structure and physiological characteristics of three microbial mat communities in Byers Peninsula (Livingston Island, South Shetland Islands, Antarctica) were compared. One of the mats was located at the edge of a stream and was dominated by diatoms (with a thin basal layer of oscillatorian cyanobacteria), whereas the other two mats, located over moist soil and the bottom of a pond, respectively, were dominated by cyanobacteria throughout their vertical profiles. The predominant xanthophyll was fucoxanthin in the stream mat and myxoxanthophyll in the cyanobacteria-dominated mats. The sheath pigment scytonemin was absent in the stream mat but present in the soil and pond mats. The stream mat showed significantly lower δ¹³C and higher δ¹⁵N values than the other two mats. Consistent with the δ¹⁵N values, N₂ fixation was negligible in the stream mat. The soil mat was the physiologically most active community. It showed rates of photosynthesis three times higher than in the other mats, and had the highest rates of ammonium uptake, nitrate uptake and N₂ fixation. These observations underscore the taxonomic and physiological diversity of microbial mat communities in the maritime Antarctic region. |
| doi_str_mv | 10.1111/j.1574-6941.2006.00221.x |
| format | Article |
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One of the mats was located at the edge of a stream and was dominated by diatoms (with a thin basal layer of oscillatorian cyanobacteria), whereas the other two mats, located over moist soil and the bottom of a pond, respectively, were dominated by cyanobacteria throughout their vertical profiles. The predominant xanthophyll was fucoxanthin in the stream mat and myxoxanthophyll in the cyanobacteria-dominated mats. The sheath pigment scytonemin was absent in the stream mat but present in the soil and pond mats. The stream mat showed significantly lower δ¹³C and higher δ¹⁵N values than the other two mats. Consistent with the δ¹⁵N values, N₂ fixation was negligible in the stream mat. The soil mat was the physiologically most active community. It showed rates of photosynthesis three times higher than in the other mats, and had the highest rates of ammonium uptake, nitrate uptake and N₂ fixation. These observations underscore the taxonomic and physiological diversity of microbial mat communities in the maritime Antarctic region.</description><identifier>ISSN: 0168-6496</identifier><identifier>EISSN: 1574-6941</identifier><identifier>DOI: 10.1111/j.1574-6941.2006.00221.x</identifier><identifier>PMID: 17069622</identifier><language>eng</language><publisher>Oxford, UK: Oxford, UK : Blackwell Publishing Ltd</publisher><subject>Ammonium ; Animals ; Antarctic Regions ; Antarctic zone ; Antarctica ; Bacillariophyceae ; Bacteriology ; Biological and medical sciences ; Biomass ; Communities ; Community structure ; Cyanobacteria ; Cyanobacteria - growth & development ; Cyanobacteria - physiology ; Diatoms - growth & development ; Diatoms - physiology ; Ecology ; Ecosystem ; Fixation ; Fresh Water - microbiology ; Fucoxanthin ; Fundamental and applied biological sciences. Psychology ; Geologic Sediments - microbiology ; Islands ; Mats ; microbial mat ; Microbial mats ; Microbiology ; Microorganisms ; Miscellaneous ; N2 fixation ; Nitrogen - metabolism ; nitrogen assimilation ; Nitrogen Fixation ; Nitrogenation ; N₂ fixation ; Photosynthesis ; photosynthetic pigments ; Physiology ; Ponds ; Rivers - microbiology ; Sheaths ; Soil moisture ; Soils ; Structural analysis ; Xanthophylls ; Xanthophylls - metabolism</subject><ispartof>FEMS microbiology ecology, 2007-02, Vol.59 (2), p.377-385</ispartof><rights>2006 Federation of European Microbiological Societies Published by Blackwell Publishing Ltd. All rights reserved 2006</rights><rights>2007 INIST-CNRS</rights><rights>2006 Federation of European Microbiological Societies Published by Blackwell Publishing Ltd. All rights reserved</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5241-60a64c46e91f33e6d55d90f524dfd9c6b0bdefc1b42a6fcd104c35f2b7ce3c573</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1574-6941.2006.00221.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1574-6941.2006.00221.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18519199$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17069622$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Fernández-Valiente, Eduardo</creatorcontrib><creatorcontrib>Camacho, Antonio</creatorcontrib><creatorcontrib>Rochera, Carlos</creatorcontrib><creatorcontrib>Rico, Eugenio</creatorcontrib><creatorcontrib>Vincent, Warwick F</creatorcontrib><creatorcontrib>Quesada, Antonio</creatorcontrib><title>Community structure and physiological characterization of microbial mats in Byers Peninsula, Livingston Island (South Shetland Islands, Antarctica)</title><title>FEMS microbiology ecology</title><addtitle>FEMS Microbiol Ecol</addtitle><description>The community structure and physiological characteristics of three microbial mat communities in Byers Peninsula (Livingston Island, South Shetland Islands, Antarctica) were compared. One of the mats was located at the edge of a stream and was dominated by diatoms (with a thin basal layer of oscillatorian cyanobacteria), whereas the other two mats, located over moist soil and the bottom of a pond, respectively, were dominated by cyanobacteria throughout their vertical profiles. The predominant xanthophyll was fucoxanthin in the stream mat and myxoxanthophyll in the cyanobacteria-dominated mats. The sheath pigment scytonemin was absent in the stream mat but present in the soil and pond mats. The stream mat showed significantly lower δ¹³C and higher δ¹⁵N values than the other two mats. Consistent with the δ¹⁵N values, N₂ fixation was negligible in the stream mat. The soil mat was the physiologically most active community. It showed rates of photosynthesis three times higher than in the other mats, and had the highest rates of ammonium uptake, nitrate uptake and N₂ fixation. These observations underscore the taxonomic and physiological diversity of microbial mat communities in the maritime Antarctic region.</description><subject>Ammonium</subject><subject>Animals</subject><subject>Antarctic Regions</subject><subject>Antarctic zone</subject><subject>Antarctica</subject><subject>Bacillariophyceae</subject><subject>Bacteriology</subject><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>Communities</subject><subject>Community structure</subject><subject>Cyanobacteria</subject><subject>Cyanobacteria - growth & development</subject><subject>Cyanobacteria - physiology</subject><subject>Diatoms - growth & development</subject><subject>Diatoms - physiology</subject><subject>Ecology</subject><subject>Ecosystem</subject><subject>Fixation</subject><subject>Fresh Water - microbiology</subject><subject>Fucoxanthin</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Geologic Sediments - microbiology</subject><subject>Islands</subject><subject>Mats</subject><subject>microbial mat</subject><subject>Microbial mats</subject><subject>Microbiology</subject><subject>Microorganisms</subject><subject>Miscellaneous</subject><subject>N2 fixation</subject><subject>Nitrogen - metabolism</subject><subject>nitrogen assimilation</subject><subject>Nitrogen Fixation</subject><subject>Nitrogenation</subject><subject>N₂ fixation</subject><subject>Photosynthesis</subject><subject>photosynthetic pigments</subject><subject>Physiology</subject><subject>Ponds</subject><subject>Rivers - microbiology</subject><subject>Sheaths</subject><subject>Soil moisture</subject><subject>Soils</subject><subject>Structural analysis</subject><subject>Xanthophylls</subject><subject>Xanthophylls - metabolism</subject><issn>0168-6496</issn><issn>1574-6941</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqFkt1u0zAYhi0EYqVwC2AJgUBaymc7cWqJk1FtMKkIpLJjy3Gc1lUSd7YDC7fBDeOuhUkghE_88z7v578XIUxgRlJ7s52RoswzLnIyowB8BkApmd3cQ5Pfwn00AcLnGc8FP0GPQtgCkILl8BCdkBK44JRO0I-F67qht3HEIfpBx8EbrPoa7zZjsK51a6tVi_VGeaWj8fa7itb12DW4s9q7yia1UzFg2-N3o_EBfza97cPQqlO8tF9tvw4xGS5Duy_7auWGuMGrjYm388NyOMVnfVRex7Tb68foQaPaYJ4c-ym6ujj_sviQLT-9v1ycLTNd0JxkHBTPdc6NIA1jhtdFUQtoklY3tdC8gqo2jSZVThVvdE0g16xoaFVqw3RRsil6eai78-56MCHKzgZt2nQi44YguQDGRUn_C1KYcwYFJPD5H-DWDb5Pl5CUQUkKQhI5RU-P1FB1ppY7bzvlR_nrVxLw4giokF6_8arXNtxx84IIIkTi3h64b7Y1450Ocp8SuZX7MMh9GOQ-JfI2JfJGXpx_TINkZwe7G3b_MGd_mZPr2cHVKCfV2qeDXa0oEAZQsnLOKfsJFPTJoQ</recordid><startdate>200702</startdate><enddate>200702</enddate><creator>Fernández-Valiente, Eduardo</creator><creator>Camacho, Antonio</creator><creator>Rochera, Carlos</creator><creator>Rico, Eugenio</creator><creator>Vincent, Warwick F</creator><creator>Quesada, Antonio</creator><general>Oxford, UK : Blackwell Publishing Ltd</general><general>Blackwell Publishing Ltd</general><general>Blackwell</general><general>Oxford University Press</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>3V.</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7SN</scope><scope>7T7</scope><scope>7TK</scope><scope>7TM</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>LK8</scope><scope>M0S</scope><scope>M1P</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PATMY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>RC3</scope><scope>7X8</scope></search><sort><creationdate>200702</creationdate><title>Community structure and physiological characterization of microbial mats in Byers Peninsula, Livingston Island (South Shetland Islands, Antarctica)</title><author>Fernández-Valiente, Eduardo ; Camacho, Antonio ; Rochera, Carlos ; Rico, Eugenio ; Vincent, Warwick F ; Quesada, Antonio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5241-60a64c46e91f33e6d55d90f524dfd9c6b0bdefc1b42a6fcd104c35f2b7ce3c573</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Ammonium</topic><topic>Animals</topic><topic>Antarctic Regions</topic><topic>Antarctic zone</topic><topic>Antarctica</topic><topic>Bacillariophyceae</topic><topic>Bacteriology</topic><topic>Biological and medical sciences</topic><topic>Biomass</topic><topic>Communities</topic><topic>Community structure</topic><topic>Cyanobacteria</topic><topic>Cyanobacteria - growth & development</topic><topic>Cyanobacteria - physiology</topic><topic>Diatoms - growth & development</topic><topic>Diatoms - physiology</topic><topic>Ecology</topic><topic>Ecosystem</topic><topic>Fixation</topic><topic>Fresh Water - microbiology</topic><topic>Fucoxanthin</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Geologic Sediments - microbiology</topic><topic>Islands</topic><topic>Mats</topic><topic>microbial mat</topic><topic>Microbial mats</topic><topic>Microbiology</topic><topic>Microorganisms</topic><topic>Miscellaneous</topic><topic>N2 fixation</topic><topic>Nitrogen - metabolism</topic><topic>nitrogen assimilation</topic><topic>Nitrogen Fixation</topic><topic>Nitrogenation</topic><topic>N₂ fixation</topic><topic>Photosynthesis</topic><topic>photosynthetic pigments</topic><topic>Physiology</topic><topic>Ponds</topic><topic>Rivers - microbiology</topic><topic>Sheaths</topic><topic>Soil moisture</topic><topic>Soils</topic><topic>Structural analysis</topic><topic>Xanthophylls</topic><topic>Xanthophylls - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Fernández-Valiente, Eduardo</creatorcontrib><creatorcontrib>Camacho, Antonio</creatorcontrib><creatorcontrib>Rochera, Carlos</creatorcontrib><creatorcontrib>Rico, Eugenio</creatorcontrib><creatorcontrib>Vincent, Warwick F</creatorcontrib><creatorcontrib>Quesada, Antonio</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>ProQuest Central (Corporate)</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Ecology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ProQuest Biological Science Collection</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>Genetics Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>FEMS microbiology ecology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fernández-Valiente, Eduardo</au><au>Camacho, Antonio</au><au>Rochera, Carlos</au><au>Rico, Eugenio</au><au>Vincent, Warwick F</au><au>Quesada, Antonio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Community structure and physiological characterization of microbial mats in Byers Peninsula, Livingston Island (South Shetland Islands, Antarctica)</atitle><jtitle>FEMS microbiology ecology</jtitle><addtitle>FEMS Microbiol Ecol</addtitle><date>2007-02</date><risdate>2007</risdate><volume>59</volume><issue>2</issue><spage>377</spage><epage>385</epage><pages>377-385</pages><issn>0168-6496</issn><eissn>1574-6941</eissn><abstract>The community structure and physiological characteristics of three microbial mat communities in Byers Peninsula (Livingston Island, South Shetland Islands, Antarctica) were compared. One of the mats was located at the edge of a stream and was dominated by diatoms (with a thin basal layer of oscillatorian cyanobacteria), whereas the other two mats, located over moist soil and the bottom of a pond, respectively, were dominated by cyanobacteria throughout their vertical profiles. The predominant xanthophyll was fucoxanthin in the stream mat and myxoxanthophyll in the cyanobacteria-dominated mats. The sheath pigment scytonemin was absent in the stream mat but present in the soil and pond mats. The stream mat showed significantly lower δ¹³C and higher δ¹⁵N values than the other two mats. Consistent with the δ¹⁵N values, N₂ fixation was negligible in the stream mat. The soil mat was the physiologically most active community. It showed rates of photosynthesis three times higher than in the other mats, and had the highest rates of ammonium uptake, nitrate uptake and N₂ fixation. These observations underscore the taxonomic and physiological diversity of microbial mat communities in the maritime Antarctic region.</abstract><cop>Oxford, UK</cop><pub>Oxford, UK : Blackwell Publishing Ltd</pub><pmid>17069622</pmid><doi>10.1111/j.1574-6941.2006.00221.x</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Oxford Journals Open Access Collection; Wiley Online Library All Journals |
| subjects | Ammonium Animals Antarctic Regions Antarctic zone Antarctica Bacillariophyceae Bacteriology Biological and medical sciences Biomass Communities Community structure Cyanobacteria Cyanobacteria - growth & development Cyanobacteria - physiology Diatoms - growth & development Diatoms - physiology Ecology Ecosystem Fixation Fresh Water - microbiology Fucoxanthin Fundamental and applied biological sciences. Psychology Geologic Sediments - microbiology Islands Mats microbial mat Microbial mats Microbiology Microorganisms Miscellaneous N2 fixation Nitrogen - metabolism nitrogen assimilation Nitrogen Fixation Nitrogenation N₂ fixation Photosynthesis photosynthetic pigments Physiology Ponds Rivers - microbiology Sheaths Soil moisture Soils Structural analysis Xanthophylls Xanthophylls - metabolism |
| title | Community structure and physiological characterization of microbial mats in Byers Peninsula, Livingston Island (South Shetland Islands, Antarctica) |
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