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Bacterial diversity in ornithogenic soils compared to mineral soils on King Geroge Island, Antarctica

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Title
Bacterial diversity in ornithogenic soils compared to mineral soils on King Geroge Island, Antarctica
Authors
Chae, Nam Yi
Oh, Jeongsu
Lim, Hyoun Soo
Hong, Soon Gyu
Kim, Jeong-Hoon
Cho, Ahnna
Kim, Ok-Sun
Subject
Microbiology
Keywords
16S rRNA; Barton Peninsula; Narę bski Point; Pyrosequencing; penguin rookeries
Issue Date
2012
Publisher
Springer, The Journal of Microbiology
Citation
Chae, Nam Yi, et al. 2012. "Bacterial diversity in ornithogenic soils compared to mineral soils on King Geroge Island, Antarctica". JOURNAL OF MICROBIOLOGY, 50(6): 1081-1085.
Abstract
In the Nar?bski Point area of King George Island of Antarctica, ornithogenic soils form on land under Chinstrap and Gentoo Penguin rookeries. The purpose of this study was to compare the bacterial community compositions in the gradient of contamination by penguin feces;mineral soil with no contamination, and soils with medium or high contamination. The discrimination between mineral soils and ornithogenic soils by characterization of physicochemical properties and bacterial communities was notable. Physicochemical analyses of soil properties showed enrichment of carbon and nitrogen in ornithogenic soils. Firmicutes were present abundantly in active ornithogenic soils, Bacteroidetes and Proteobacteria in a formerly active one, and several diverse phyla such as Proteobacteria, Actinobacteria and Acidobacteria in mineral soils. Some predominant species belonging to the Firmicutes and Gammaproteobacteria may play an important role for the mineralization of nutrients in ornithogenic soils. Results of this study indicate that dominant species may play an important role in mineralization of nutrients in these ecosystems.ient of contamination by penguin feces;mineral soil with no contamination, and soils with medium or high contamination. The discrimination between mineral soils and ornithogenic soils by characterization of physicochemical properties and bacterial communities was notable. Physicochemical analyses of soil properties showed enrichment of carbon and nitrogen in ornithogenic soils. Firmicutes were present abundantly in active ornithogenic soils, Bacteroidetes and Proteobacteria in a formerly active one, and several diverse phyla such as Proteobacteria, Actinobacteria and Acidobacteria in mineral soils. Some predominant species belonging to the Firmicutes and Gammaproteobacteria may play an important role for the mineralization of nutrients in ornithogenic soils. Results of this study indicate that dominant specie
URI
http://repository.kopri.re.kr/handle/201206/6185
DOI
http://dx.doi.org/10.1007/s12275-012-2655-7
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