Cyanobacterial ecotypes in different optical microenvironments of a 68°C hot spring mat community revealed by 16S-23S rRNA internal transcribed spacer region variation

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dc.contributor.author Ferris, MJ
dc.contributor.author Kühl, M
dc.contributor.author Wieland, A
dc.contributor.author Ward, DM
dc.date.accessioned 2010-05-28T09:44:41Z
dc.date.issued 2003-05-01
dc.identifier.citation Applied and Environmental Microbiology, 2003, 69 (5), pp. 2893 - 2898
dc.identifier.issn 0099-2240
dc.identifier.other C1UNSUBMIT en_US
dc.identifier.uri http://hdl.handle.net/10453/8660
dc.description.abstract We examined the population of unicellular cyanobacteria (Synechococcus) in the upper 3-mm vertical interval of a 68°C region of a microbial mat in a hot spring effluent channel (Yellowstone National Park, Wyoming). Fluorescence microscopy and microsensor measurements of O2 and oxygenic photosynthesis demonstrated the existence of physiologically distinct Synechococcus populations at different depths along a light gradient quantified by scalar irradiance microprobes. Molecular methods were used to evaluate whether physiologically distinct populations could be correlated with genetically distinct populations over the vertical interval. We were unable to identify patterns in genetic variation in Synechococcus 16S rRNA sequences that correlate with different vertically distributed populations. However, patterns of variation at the internal transcribed spacer locus separating 16S and 23S rRNA genes suggested the existence of closely related but genetically distinct populations corresponding to different functional populations occurring at different depths.
dc.language eng
dc.relation.isbasedon 10.1128/AEM.69.5.2893-2898.2003
dc.title Cyanobacterial ecotypes in different optical microenvironments of a 68°C hot spring mat community revealed by 16S-23S rRNA internal transcribed spacer region variation
dc.type Journal Article
dc.description.version Published
dc.parent Applied and Environmental Microbiology
dc.journal.volume 5
dc.journal.volume 69
dc.journal.number 5 en_US
dc.publocation Washington, USA en_US
dc.identifier.startpage 2893 en_US
dc.identifier.endpage 2898 en_US
dc.cauo.name SCI.Environmental Sciences en_US
dc.conference Verified OK en_US
dc.for 0605 Microbiology
dc.personcode 107129
dc.percentage 100 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
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Science
pubs.organisational-group /University of Technology Sydney/Strength - C3
utslib.copyright.status Closed Access
utslib.copyright.date 2015-04-15 12:17:09.805752+10
pubs.consider-herdc false
utslib.collection.history Closed (ID: 3)


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