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Article: Highly diverse community structure in a remote central Tibetan geothermal spring does not display monotonic variation to thermal stress

TitleHighly diverse community structure in a remote central Tibetan geothermal spring does not display monotonic variation to thermal stress
Authors
KeywordsChloroflexus
Geothermal springs
Hot springs
Roseiflexus
Synechococcus
Thermophiles
Issue Date2006
PublisherWiley-Blackwell Publishing Ltd.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0168-6496
Citation
Fems Microbiology Ecology, 2006, v. 57 n. 1, p. 80-91 How to Cite?
AbstractWe report an assessment of whole-community diversity for an extremely isolated geothermal location with considerable phylogenetic and phylogeographic novelty. We further demonstrate, using multiple statistical analyses of sequence data, that the response of community diversity is not monotonic to thermal stress along a gradient of 52-83°C. A combination of domain- and division-specific PCR was used to obtain a broad spectrum of community phylotypes, which were resolved by denaturing gradient gel electrophoresis. Among 58 sequences obtained from microbial mats and streamers, some 95% suggest novel archaeal and bacterial diversity at the species level or higher. Moreover, new phylogeographic and thermally defined lineages among the Cyanobacteria, Chloroflexi, Eubacterium and Thermus are identified. Shannon-Wiener diversity estimates suggest that mats at 63°C supported highest diversity, but when alternate models were applied [Average Taxonomic Distinctness (AvTD) and Variation in Taxonomic Distinctness (VarTD)] that also take into account the phylogenetic relationships between phylotypes, it is evident that greatest taxonomic diversity (AvTD) occurred in streamers at 65-70°C, whereas greatest phylogenetic distance between taxa (VarTD) occurred in streamers of 83°C. All models demonstrated that diversity is not related to thermal stress in a linear fashion. © 2006 Federation of European Microbiological Societies Published by Blackwell Publishing Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/72920
ISSN
2015 Impact Factor: 3.53
2015 SCImago Journal Rankings: 1.687
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYim, LCen_HK
dc.contributor.authorHongmei, Jen_HK
dc.contributor.authorAitchison, JCen_HK
dc.contributor.authorPointing, SBen_HK
dc.date.accessioned2010-09-06T06:46:21Z-
dc.date.available2010-09-06T06:46:21Z-
dc.date.issued2006en_HK
dc.identifier.citationFems Microbiology Ecology, 2006, v. 57 n. 1, p. 80-91en_HK
dc.identifier.issn0168-6496en_HK
dc.identifier.urihttp://hdl.handle.net/10722/72920-
dc.description.abstractWe report an assessment of whole-community diversity for an extremely isolated geothermal location with considerable phylogenetic and phylogeographic novelty. We further demonstrate, using multiple statistical analyses of sequence data, that the response of community diversity is not monotonic to thermal stress along a gradient of 52-83°C. A combination of domain- and division-specific PCR was used to obtain a broad spectrum of community phylotypes, which were resolved by denaturing gradient gel electrophoresis. Among 58 sequences obtained from microbial mats and streamers, some 95% suggest novel archaeal and bacterial diversity at the species level or higher. Moreover, new phylogeographic and thermally defined lineages among the Cyanobacteria, Chloroflexi, Eubacterium and Thermus are identified. Shannon-Wiener diversity estimates suggest that mats at 63°C supported highest diversity, but when alternate models were applied [Average Taxonomic Distinctness (AvTD) and Variation in Taxonomic Distinctness (VarTD)] that also take into account the phylogenetic relationships between phylotypes, it is evident that greatest taxonomic diversity (AvTD) occurred in streamers at 65-70°C, whereas greatest phylogenetic distance between taxa (VarTD) occurred in streamers of 83°C. All models demonstrated that diversity is not related to thermal stress in a linear fashion. © 2006 Federation of European Microbiological Societies Published by Blackwell Publishing Ltd. All rights reserved.en_HK
dc.languageengen_HK
dc.publisherWiley-Blackwell Publishing Ltd.. The Journal's web site is located at http://www.wiley.com/bw/journal.asp?ref=0168-6496en_HK
dc.relation.ispartofFEMS Microbiology Ecologyen_HK
dc.rightsF E M S Microbiology Ecology. Copyright © Blackwell Publishing Ltd.en_HK
dc.subjectChloroflexusen_HK
dc.subjectGeothermal springsen_HK
dc.subjectHot springsen_HK
dc.subjectRoseiflexusen_HK
dc.subjectSynechococcusen_HK
dc.subjectThermophilesen_HK
dc.titleHighly diverse community structure in a remote central Tibetan geothermal spring does not display monotonic variation to thermal stressen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0168-6496&volume=57&spage=80&epage=91&date=2006&atitle=Highly+diverse+community+structure+in+a+remote+central+Tibetan+geothermal+spring+does+not+display+monotonic+variation+to+thermal+stressen_HK
dc.identifier.emailYim, LC: maglau@princeton.eduen_HK
dc.identifier.emailAitchison, JC: jona@hku.hken_HK
dc.identifier.emailPointing, SB: pointing@hkucc.hku.hken_HK
dc.identifier.authorityYim, LC=rp00721en_HK
dc.identifier.authorityAitchison, JC=rp00658en_HK
dc.identifier.authorityPointing, SB=rp00771en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1111/j.1574-6941.2006.00104.xen_HK
dc.identifier.pmid16819952en_HK
dc.identifier.scopuseid_2-s2.0-33745027420en_HK
dc.identifier.hkuros115561en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33745027420&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume57en_HK
dc.identifier.issue1en_HK
dc.identifier.spage80en_HK
dc.identifier.epage91en_HK
dc.identifier.isiWOS:000238144300009-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridYim, LC=35177794300en_HK
dc.identifier.scopusauthoridHongmei, J=8661391300en_HK
dc.identifier.scopusauthoridAitchison, JC=7102533858en_HK
dc.identifier.scopusauthoridPointing, SB=6603986412en_HK

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