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KMID : 0383419690100020249
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Korean Modern Medical Journal
1969 Volume.10 No. 2 p.249 ~ p.258
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Studies on the Proteus isolated from the human sources
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石鐘聲/Suck, Chong-Sung
金漢壽/張友鉉/李承薰/Kim, Han-Soo/Chang, Woo-Hyun/Lee, Seung-Hoon
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Abstract
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The proteus group are known to be widely distributed in nature and also constitute one of the important micro-flora, of human intestines. The identification of the Proteus and further differentiation into 5 species are made chiefly by their biochemical activities, which are conventionally studied with the cultures grown at 37℃.
Since it is known that the metabolic activities of bacteria are influenced by the physicochemical natures of environment, it is conceivable that results of bacterial identification and differentiation based on their biochemical reactions might be different when the culture conditions differ.
Thus, 100 strains of the proteus isolated from various clinical specimens were grown aerobically at 37℃ and 22℃ and the patterns of their 1, biochemical activities under the different cultural conditions were studied.
The results might be summarized as follows:
1) By the biochemical activities with the cultures grown at 37℃, 100 proteus strains were differentiated into 4 species; P. rettgeri 4, P. vulgaris 14, P. mirabilis 36, and P. morganii 46.
2) If the differentiation into the species was made by the biochemical activities with the cultures grown at 22℃, the 100 strains might be classified into, P. rettgeri 41, P. vulgaris 20, P. mirabilis 34, and P. morganii 5.
3) Regardless the difference of the culture temperatures, 47 strains among the 100 strains were identified into the same species of proteus; P. rettgeri 2, P. vulgaris 7, P. mirabilis 33, and P. morganii 5.
4) Biochemically the proteus strains appeared to be more active at 37℃ than at 22℃.
5) The distribution of the 100 strains among the clinical specimens were stool or recta swat 68, pus or discharge 14, urine 10 and miscelleneous specimen 8.
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