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KMID : 0377619890540060369
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Korean Jungang Medical Journal
1989 Volume.54 No. 6 p.369 ~ p.376
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A Study on the Distribution of Antibiotic-Producing Streptomyces in the Soil of Korea(I)
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金成源/Kim, Sun-Won
許永根/Hur, Young-Keun
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Abstract
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The antibiotic-producing streptomyces strains were isolated from the soil gathered from various localities in Kun-San city, some area of lck-San districts and shaltery area of Sang Hang, Korea, and tested for the activity, against some of gram positive and negative´microorganisms, especially against Pseudomonas aeruginosa.
The results are surnmerized as follows.
1. A total of 2626 streptomyces strains were isolated from 496 soil samples. All of the strains tested, 701 strains of the isolated strains showed antibiotic activity against either gram positive or negative test microorganisms and 139 strains of those tested micro- organisms.
2. The thirty-two strains of strains of streptomyces among the active isolated strains showed the antibiotic activity against Pseudomonas aeruginosa, and the thirty streptomyces strains showed the strong antibiotic activity against all of the tested microorganisms, such as Staphylococcus aureus, Bacillus subtilis, Pseudomonas aeruginosa, Klebsiella paeumonia, Escherichia coli, Shigella flexneri and Proteus morganii.
3. The active antibiotic-producing streptomyces strains against Pseudomonas aeruginosa were isolated from the soil samples taken from road, ground, paddy field, vegetable field, smeltery area and breeding farm, but not from the soil taken from grass field, hill, sewage disposal area and piers.
4. The strongly active streptomyces strains were isolated from the soil of the bustling road and ground than the grass field which is not bustling.
5. The strongly active strain that it´s inhibitory zone are 10-30mm were 139 strains which are 19.8% of total active strains.
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