Bacterial colonization of artificial substrate in the vicinity of deep-sea hydrothermal vents

dc.contributor.authorGuezennec, J.
dc.contributor.authorOrtega-Morales, O.
dc.contributor.authorRaguenes, G.
dc.contributor.authorGeesey, Gill G.
dc.date.accessioned2018-02-12T19:26:40Z
dc.date.available2018-02-12T19:26:40Z
dc.date.issued1998-06
dc.description.abstractArtificial substrata of different material composition were deployed at deep-sea hydrothermal areas on the Mid-Atlantic Ridge for exposure times ranging from 1 to 12 days. After 4 days of exposure, a very thick but loosely-bound biofilm formed on all surfaces. Two bacterial morphotypes dominated the attached microbial community: rod-shaped bacteria sometimes several cell layers thick and large filamentous forms attached to the substratum at one end of the filament. Quantitative extraction of biofilm lipids associated with the substratum surface indicated the accumulation of a large amount of bacterial biomass after 4 days of exposure for all substrata. Microbial biomass accumulated at different rates on the different substrata. The greatest biomass was associated with 316L stainless steel and titanium substrata. Polar lipid fatty acid (PLFA) analysis of lipid extracts contained signatures of sulfate reducing bacteria and fatty acids (FA) previously reported in filamentous sulfur-oxidizing bacteria. The results demonstrate rapid in situ colonization of artificial substrata by hydrothermal vent microbial populations irrespective of the nature of the substratum.en_US
dc.identifier.citationGuezennec, J., O. Ortega-Morales, G. Raguenes, G. Geesey, "Bacterial colonization of artificial substrate in the vicinity of deep-sea hydrothermal vents," FEMS Microbiology Ecology, 26(2):89-99 (1998).en_US
dc.identifier.issn0168-6496
dc.identifier.urihttps://scholarworks.montana.edu/handle/1/14351
dc.titleBacterial colonization of artificial substrate in the vicinity of deep-sea hydrothermal ventsen_US
dc.typeArticleen_US
mus.citation.extentfirstpage89en_US
mus.citation.extentlastpage99en_US
mus.citation.issue2en_US
mus.citation.journaltitleFEMS Microbiology Ecologyen_US
mus.citation.volume26en_US
mus.data.thumbpage5en_US
mus.identifier.categoryEngineering & Computer Scienceen_US
mus.identifier.doi10.1016/s0168-6496(98)00022-1en_US
mus.relation.collegeCollege of Engineeringen_US
mus.relation.departmentCenter for Biofilm Engineering.en_US
mus.relation.departmentChemical & Biological Engineering.en_US
mus.relation.departmentChemical Engineering.en_US
mus.relation.researchgroupCenter for Biofilm Engineering.en_US
mus.relation.universityMontana State University - Bozemanen_US

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