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KMID : 0613820070170070944
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Journal of Life Science
2007 Volume.17 No. 7 p.944 ~ p.947
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The Study of Application of Bio-Surfactant Producing Bacteria for Growing Crop in Oil Spilled Soil
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Hwang Cher-Won
Jang Hye-Won
Choi Yong-Lark
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Abstract
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Bacillus sp.LP03 (producing emulsifying substances such as bio-surfactant) was used as a bio-control agent to degrade hydrocarbon (gasoline in oil spilled crop soil). The soil (brought from fertilizer store) was mixed with gasoline-spilled soil (made with Diatomaceous Earth, Sigma.U.S.A). The study was conducted for a period of 13 days, 13 days during which bacterial growth, hydrocarbon degradation and growth parameters of Bacillus sp.LP03 including shoot and root length were studied. We found that the effective of bacterial producing substance might bio-surfactants let the plants survive even more promote the growth of shoot and root length and showed antifungal activity against gray mold. Without the bacteria, they couldn’t grow in oil-spilled soil not even survive. According to the results of the above experiments, we can see with following results, hydrocarbon in gasoline was reduced, day by day, then RNA dot blotting was done and it fit the results we had done. Finally, this Bacteria (producing bio-surfactant) were found to have effective bio-control agent for cropping in oil spilled soil and infected by gray mold.
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KEYWORD
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Bio-surfactant, Bacillus sp, LP03, biodegradation, gasoline-spilled soil
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