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KMID : 0545120130230121774
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Journal of Microbiology and Biotechnology
2013 Volume.23 No. 12 p.1774 ~ p.1778
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The Presence of Significant Methylotrophic Population in Biological Activated Carbon of a Full-Scale Drinking Water Plant
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Kim Tae-Gwan
Moon Kyung-Eun
Cho Kyung-Suk
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Abstract
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Methylotrophs within biological activated carbon (BAC) systems have not received attention although they are a valuable biological resource for degradation of organic pollutants. In this study, methylotrophic populations were monitored for four consecutive seasons in BAC of an actual drinking water plant, using ribosomal tag pyrosequencing. Methylotrophs constituted up to 5.6% of the bacterial community, and the methanotrophs Methylosoma and Methylobacter were most abundant. Community comparison showed that the temperature was an important factor affecting community composition, since it had an impact on the growth of particular methylotrophic genera. These results demonstrated that BAC possesses a substantial methylotrophic activity and harbors the relevant microbes.
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KEYWORD
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Methylotroph, Biological activated carbon, Advanced water treatment, Microbial ecology
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