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KMID : 0613820120220060799
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Journal of Life Science
2012 Volume.22 No. 6 p.799 ~ p.806
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Growth Inhibition of Mushroom Pathogen by Bacillus sp. HJ 57
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Seo Kwon-Il
Gal Sang-Won
Yee Sung-Tae
Park Kyung-Wuk
Lee Sang-Won
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Abstract
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Approximately 80 species of bacteria were isolated from the fermented mushroom first and the HJ-57 antibacterial micro-organism was selected to the final isolation bacteria. It has a high degree of CMCase, amylase, and protease activity as well as high antibacterial activity against mushroom pathogenic bacteria without affecting the growth and development of Flammulina velutipes and Lentinus edodes mushrooms. The finally selected HJ-57 antibacterial micro-organism was identified as Bacillus sp. HJ-57. The initial pH for culture was pH7 and its optimum culture temperature was 35℃. The antibacterial material produced by Bacillus sp. HJ-57 showed a little antibacterial activity even in the 12 hr of culture, but showed the highest antibacterial activity in the 36~48 hr of culture. The HJ-57 antibacterial micro-organism also showed a high antibacterial activity against mushroom pathogenic bacteria and molds in the corn cob contained culture medium is used in Flammulina velutipes cultivators.
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KEYWORD
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Flammulina velutipes, Lentinus edodes, antibacterial activity
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