Algal Species and Light Microenvironment in a Low-pH, Geothermal Microbial Mat Community

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dc.contributor.author Ferris, Michael en_US
dc.contributor.author Sheehan, K. en_US
dc.contributor.author Kuhl, Michael en_US
dc.contributor.author Cooksey, K. en_US
dc.contributor.author Wigglesworth-Cooksey, B. en_US
dc.contributor.author Harvey, R. en_US
dc.contributor.author Henson, J. en_US
dc.contributor.editor en_US
dc.date.accessioned 2011-02-07T06:20:14Z
dc.date.available 2011-02-07T06:20:14Z
dc.date.issued 2005 en_US
dc.identifier 2009005176 en_US
dc.identifier.citation Ferris J. et al. 2005, 'Algal Species and Light Microenvironment in a Low-pH, Geothermal Microbial Mat Community', American Society for Microbiology, vol. 71, no. 11, pp. 7164-7171. en_US
dc.identifier.issn 0099-2240 en_US
dc.identifier.other C1UNSUBMIT en_US
dc.identifier.uri http://hdl.handle.net/10453/13259
dc.description.abstract nicellular algae are the predominant microbial mat-forming phototrophs in the extreme environments of acidic geothermal springs. The ecology of these algae is not well known because concepts of species composition are inferred from cultivated isolates and microscopic observations, methods known to provide incomplete and inaccurate assessments of species in situ. We used sequence analysis of 18S rRNA genes PCR amplified from mat samples from different seasons and different temperatures along a thermal gradient to identify algae in an often-studied acidic (pH 2.7) geothermal creek in Yellowstone National Park. Fiber-optic microprobes were used to show that light for algal photosynthesis is attenuated to <1% over the 1-mm surface interval of the mat. Three algal sequences were detected, and each was present year-round. en_US
dc.language en_US
dc.publisher American Society for Microbiology en_US
dc.relation.isbasedon http://dx.doi.org/10.1128/AEM.71.11.7164-7171.2005 en_US
dc.title Algal Species and Light Microenvironment in a Low-pH, Geothermal Microbial Mat Community en_US
dc.parent Applied and Environmental Microbiology en_US
dc.journal.volume 71 en_US
dc.journal.number 11 en_US
dc.publocation Washington DC, USA en_US
dc.identifier.startpage 7164 en_US
dc.identifier.endpage 7171 en_US
dc.cauo.name SCI.Environmental Sciences en_US
dc.conference Verified OK en_US
dc.for 060500 en_US
dc.personcode 0000062133 en_US
dc.personcode 0000062134 en_US
dc.personcode 107129 en_US
dc.personcode 0000062135 en_US
dc.personcode 0000062136 en_US
dc.personcode 0000062137 en_US
dc.personcode 0000062138 en_US
dc.percentage 50 en_US
dc.classification.name Microbiology en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords NA en_US
dc.staffid en_US


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