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KMID : 0545119970070030200
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Journal of Microbiology and Biotechnology
1997 Volume.7 No. 3 p.200 ~ p.203
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Nutritional Flexibility of Oligotrophic and Copiotrophic Bacteria Isolated from Deionzed-ultrapure Water Made by High-purity Water Manufacturing System in A Semiconductor Manufacturing Company
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Kim,In Seop
Kim, Seung Eun/Hwang, Jung Sung
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Abstract
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Bacteria isolated from ultrapure water made by a high-purity water manufacturing system in a semiconductor manufacturing plant were classified into two groups which either grew in diluted nutrient broth medium (oligotrophic bacteria) or could not grow (copiotrophic bacteria). The nutritional flexibility of oligotrophic and copiotrophic bacteria was investigated. The oligotrophic bacteria were shown to be able to utilize a significantly broader range of organic substrates than the copiotrophic bateria. This finding substantiates the hypothesis that nutritional flexibility is adaptive for oligotrophic bacteria.
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