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KMID : 0364820140500040376
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Korean Journal of Microbiology
2014 Volume.50 No. 4 p.376 ~ p.380
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Comparison of Bacterial Communities in Beach Sands along the East Coast of North Gyeongsang Province
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Khang Yong-Ho
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Abstract
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Marine beach sands with bacterial pathogens may cause increased outcomes of illness among beachgoers in summer.
In this study, pyrosequencing of 16S ribosomal DNAs extracted from 12 beach sands was performed to understand
how the environmental factors of wastewaters or human wastes affected the distribution of bacterial communities at
the beach of North Gyeongsang province (Yeongdeok and Pohang counties) in the middle of October. It was found
that Acidobacteria were dominantly distributed in the sands near the clean seawaters, Proteobacteria in the sands
near the river waters, Cyanobacteria in the sands near the wastewaters, and Bacteroidetes in the sands near the beach
park. Other phyla groups such as Actinobacteria, Chlorobi, Deferribacteres, Deinococcus-thermus, Firmicutes,
Gemmatimonadetes, Nitrospirae, and/or Verrucomicrobia were distributed at low relative abundance (1?5%).
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KEYWORD
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beach sand, cyanobacteria, microbial community, pyrosequencing, wastewater
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