Formation of Rhamnolipid by Pseudomonas aeruginosa and its Function in Hydrocarbon Fermentation |
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Authors: | Ken-ichi Hisatsuka Tadaatsu Nakahara Noritoshi Sano Koichi Yamada |
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Institution: | Department of Agricultural Chemistry, The University of Tokyo |
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Abstract: | Screening test for obtaining growth stimulant (GS) produced by a hydrocarbon-utilizing bacterium, Pseudomonas aeruginosa S7B1, was carried out. In consequence, the anthrone positive substance was most effective on the growth of this strain. Although the growth of this strain on glucose medium had no relation with the addition of GS, the growth on n-hexadecane medium was remarkably stimulated by the addition of GS. This effect of GS seemed to be specific on the growth of P. aeruginosa. GS which had a strong surface activity and emulsifying power was comfirmed to be rhamnolipid. |
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