| Seasonal succession and UV sensitivity of marine bacterioplankton at an Antarctic coastal site. | |
| | |
MedLine Citation:
|
PMID: 20455939 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
Despite extensive microbial biodiversity studies around the globe, studies focusing on diversity and community composition of Bacteria in Antarctic coastal regions are still scarce. Here, we studied the diversity and development of bacterioplankton communities from Prydz Bay (Eastern Antarctic) during spring and early summer 2002-2003. Additionally, we investigated the possible shaping effects of solar UV radiation (UV-R: 280-400 nm) on bacterioplankton communities incubated for 13-14 days in 650-L minicosm tanks. Ribosomal DNA sequence analysis of the natural bacterioplankton communities revealed an initial springtime community composed of three evenly abundant bacterial classes: Cytophaga-Flavobacteria-Bacteroidetes (CFB), Gammaproteobacteria and Alphaproteobacteria. At the end of spring, a shift occurred toward a CFB-dominated community, most likely a response to the onset of a springtime phytoplankton bloom. The tail end of Prydz Bay clone library diversity revealed sequences related to Deltaproteobacteria, Verrucomicrobiales, Planctomycetes, Gemmatimonadetes and an unclassified bacterium (ANT4E12). Minicosm experiments showed that incubation time was the principal determinant of bacterial community composition and that UV-R treatment significantly changed the composition in only two of the four experiments. Thus, the successional maturity of the microbial community in our minicosm studies appears to be a greater determinant of bacterial community composition rather than the nonprofound and subtle effects of UV-R. |
| | |
Authors:
|
Anouk M-T Piquet; Henk Bolhuis; Andrew T Davidson; Anita G J Buma |
Related Documents
:
|
2989849 - The current taxonomic status of the culicoides vectors of bluetongue viruses. 18409439 - Cavity excavation and enlargement as mechanisms for indirect interactions in an avian c... 20831729 - Bird community specialization, bird conservation and disturbance: the role of wildfires. 17801789 - Estuarine influences on a continental shelf plankton community. 20388269 - Geographic variation in bacterial communities associated with the red turpentine beetle... 18777629 - Paracoccidioides brasiliensis: phylogenetic and ecological aspects. 637589 - The entrapped intestinal balloon: deflation by hyperbaric therapy. 3947499 - Evaluation of keyed fillers on tec vaporizers. 15077759 - Failure to construct and transfer correct representations across probability problems. |
Publication Detail:
|
Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2010-04-07 |
Journal Detail:
|
Title: FEMS microbiology ecology Volume: 73 ISSN: 1574-6941 ISO Abbreviation: FEMS Microbiol. Ecol. Publication Date: 2010 Jul |
Date Detail:
|
Created Date: 2010-07-13 Completed Date: 2010-08-20 Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 8901229 Medline TA: FEMS Microbiol Ecol Country: England |
Other Details:
|
Languages: eng Pagination: 68-82 Citation Subset: IM |
Affiliation:
|
Department of Ocean Ecosystems, Centre for Ecological and Evolutionary Studies, University of Groningen, Haren, The Netherlands. a.m.t.piquet@rug.nl |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Antarctic Regions Bacteria / genetics, growth & development*, radiation effects* Biodiversity* DNA, Bacterial / genetics Gene Library Plankton / genetics, growth & development, radiation effects RNA, Ribosomal, 16S / genetics Seasons* Sequence Analysis, DNA Ultraviolet Rays |
| Chemical | |
Reg. No./Substance:
|
0/DNA, Bacterial; 0/RNA, Ribosomal, 16S |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Influence of temperature on the composition and activity of denitrifying soil communities.
Next Document: Marine culturable yeasts in deep-sea hydrothermal vents: species richness and association with fauna...