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Bacterial Community Change during Biofilm Development in the Arctic Marine Environment

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Title
Bacterial Community Change during Biofilm Development in the Arctic Marine Environment
Other Titles
북극해양환경에서 형성된 바이오필름의 세균군집변화 분석
Authors
Jang-Cheon Cho
Tae-Kyoung Kim
Lee, Hong Kum
Hong, Soon Gyu
Lee, Yung Mi
Kyeung Hee Cho
Kim, Eun Hye
Keywords
arctic; bacterial community; biofilm
Issue Date
2012
Citation
Jang-Cheon Cho, et al. 2012. Bacterial Community Change during Biofilm Development in the Arctic Marine Environment. International Symposium on Microbial Ecology. International Symposium on Microbial Ecology. 2012.08.23~.
Abstract
Biofilm is an important life form of microorganisms formed in aquatic environments including oral cavities, water supply systems, fresh water and marine environments. They affect human health and water quality. It also has important ecological roles in aquatic environments such as protection from environmental stress and efficient lysis of macromolecules. In this study, we analyzed bacterial community change during biofilm development in coastal area of Svalbard, Norway. High throughput sequencing technology was applied to determine bacterial community structures of biofilm samples collected once a day for 15 days. The major phyla were Bacteroidetes (45.4%), Alphaproteobacteria (38.6%), and Gammaproteobacteria (8.9%). Thirty two major OTUs (>2%) clustered by 97% sequence similarity cutoff mostly belonged to Rhodobacterales (26.5%) of Alphaproteobacteria and Flavobacteriales (15.2%) of Bacteroidetes. The major OTUs occupied approximately 45% of the whole community. They were assigned to the genera Arenicella, Flavivirga, Hoeflea, Litoreibacter, Maribacter, Octabecabacter, Pelagibacter, Planktomarina, Planktotlea, Polaribacter, Reseovarius, Ruthia, Sulfitobacter, Tenacibaculum and several candiatus genera. Some of them were major components in the early phase and the others were major in the late phase.logical roles in aquatic environments such as protection from environmental stress and efficient lysis of macromolecules. In this study, we analyzed bacterial community change during biofilm development in coastal area of Svalbard, Norway. High throughput sequencing technology was applied to determine bacterial community structures of biofilm samples collected once a day for 15 days. The major phyla were Bacteroidetes (45.4%), Alphaproteobacteria (38.6%), and Gammaproteobacteria (8.9%). Thirty two major OTUs (>2%) clustered by 97% sequence similarity cutoff mostly belonged to Rhodobacterales (26.5%) of Alphaproteobacteria and Flav
URI
http://repository.kopri.re.kr/handle/201206/8436
Conference Name
International Symposium on Microbial Ecology
Conference Place
International Symposium on Microbial Ecology
Conference Date
2012.08.23~
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