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Article: Roles of bacterial community composition in biofilms as a mediator for larval settlement of three marine invertebrates

TitleRoles of bacterial community composition in biofilms as a mediator for larval settlement of three marine invertebrates
Authors
KeywordsBacterial Community
Barnacle
Biofilm
Dgge
Larval Settlement
Polychaete
T-Rflp
Issue Date2005
PublisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/ame/index.html
Citation
Aquatic Microbial Ecology, 2005, v. 38 n. 1, p. 41-51 How to Cite?
AbstractThis study investigated (1) the effects of salinity and temperature on the bacterial community composition of developing biofilms, and (2) the responses of marine invertebrate larvae (the polychaete Hydroides elegans and the barnacles Balanus amphitrite and B. trigonus) to these biofilms during settlement (i.e. attachment to a surface and metamorphosis into juveniles). Biofilms developed in a 3 x 3 array of salinity and temperature treatments resulted in different bacterial community compositions (revealed by DGGE and T-RFLP), bacterial densities and total biomasses. Larval settlement of B. amphitrite and B. trigonus was induced by biofilms developed at high temperatures (23 and 30°C), but was unaffected (B. amphitrite) or inhibited (B. trigonus) by those developed at a low temperature (16°C). The settlement response of these barnacles did not correlate with the biomass or the bacterial density of the biofilms, but did coincide with the marked differences in bacterial community composition between the biofilms developed at different temperatures. In contrast, larval settlement of H. elegans differed slightly among biofilms developed in different salinities, but not among those developed at different temperatures. This settlement response was moderately correlated with bacterial density but had no apparent relationship with bacterial community composition of the biofilms. Our results implied that the community composition and cell density of bacteria in biofilms, which can vary with local environmental conditions, may allow larvae of the 2 barnacles and H. elegans, respectively, to distinguish between habitats with different environmental conditions.
Persistent Identifierhttp://hdl.handle.net/10722/178859
ISSN
2015 Impact Factor: 2.109
2015 SCImago Journal Rankings: 1.211
References

 

DC FieldValueLanguage
dc.contributor.authorLau, SCKen_US
dc.contributor.authorThiyagarajan, Ven_US
dc.contributor.authorCheung, SCKen_US
dc.contributor.authorQian, PYen_US
dc.date.accessioned2012-12-19T09:50:13Z-
dc.date.available2012-12-19T09:50:13Z-
dc.date.issued2005en_US
dc.identifier.citationAquatic Microbial Ecology, 2005, v. 38 n. 1, p. 41-51en_US
dc.identifier.issn0948-3055en_US
dc.identifier.urihttp://hdl.handle.net/10722/178859-
dc.description.abstractThis study investigated (1) the effects of salinity and temperature on the bacterial community composition of developing biofilms, and (2) the responses of marine invertebrate larvae (the polychaete Hydroides elegans and the barnacles Balanus amphitrite and B. trigonus) to these biofilms during settlement (i.e. attachment to a surface and metamorphosis into juveniles). Biofilms developed in a 3 x 3 array of salinity and temperature treatments resulted in different bacterial community compositions (revealed by DGGE and T-RFLP), bacterial densities and total biomasses. Larval settlement of B. amphitrite and B. trigonus was induced by biofilms developed at high temperatures (23 and 30°C), but was unaffected (B. amphitrite) or inhibited (B. trigonus) by those developed at a low temperature (16°C). The settlement response of these barnacles did not correlate with the biomass or the bacterial density of the biofilms, but did coincide with the marked differences in bacterial community composition between the biofilms developed at different temperatures. In contrast, larval settlement of H. elegans differed slightly among biofilms developed in different salinities, but not among those developed at different temperatures. This settlement response was moderately correlated with bacterial density but had no apparent relationship with bacterial community composition of the biofilms. Our results implied that the community composition and cell density of bacteria in biofilms, which can vary with local environmental conditions, may allow larvae of the 2 barnacles and H. elegans, respectively, to distinguish between habitats with different environmental conditions.en_US
dc.languageengen_US
dc.publisherInter-Research. The Journal's web site is located at http://www.int-res.com/journals/ame/index.htmlen_US
dc.relation.ispartofAquatic Microbial Ecologyen_US
dc.subjectBacterial Communityen_US
dc.subjectBarnacleen_US
dc.subjectBiofilmen_US
dc.subjectDggeen_US
dc.subjectLarval Settlementen_US
dc.subjectPolychaeteen_US
dc.subjectT-Rflpen_US
dc.titleRoles of bacterial community composition in biofilms as a mediator for larval settlement of three marine invertebratesen_US
dc.typeArticleen_US
dc.identifier.emailThiyagarajan, V: rajan@hkucc.hku.hken_US
dc.identifier.authorityThiyagarajan, V=rp00796en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-13944278841en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-13944278841&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume38en_US
dc.identifier.issue1en_US
dc.identifier.spage41en_US
dc.identifier.epage51en_US
dc.publisher.placeGermanyen_US
dc.identifier.scopusauthoridLau, SCK=8646306200en_US
dc.identifier.scopusauthoridThiyagarajan, V=6602476830en_US
dc.identifier.scopusauthoridCheung, SCK=9245255800en_US
dc.identifier.scopusauthoridQian, PY=35240648600en_US

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