腸炎 비브리오의 Kanagawa溶血에 關한 硏究
Studies on the Kanagawa Type Hemolysis of Vibrio Parahaemolyticus
경북의대잡지 1973년 14권 2호 p.237 ~ 243
송화복, 全燾基,
소속 상세정보
송화복 ( ) - 慶北大學校 醫科大學 細菌學敎室
全燾基 ( ) - 慶北大學校 醫科大學 細菌學敎室
KMID : 0351619730140020237
Abstract
腸炎비브리菌의 特殊 溶血現像이라고 報告되어 있는 Kanagawa溶血의 本能을 알고자 몇가지 實驗을 하였다.
海産物에서 分離한 菌의 약 1/3은 陽性反應을 나타내고 약 1.3이 疑陽性이었으나 사람에서 分離한 菌은 거의 모두가 陽性이었다. Kanagawa陽性菌과 陰性菌사이에 溶血에 差異가 있으며 陰性菌에 있어서는 陽性菌에 비하여 溶血이 서서히 나타나나 Caion을 加한 培地에서는 陽性菌과 陰性菌 다같이 溶血이 顯著히 促進되었다. Kanagawa溶血現像에 사람과 家?의 赤血球는 다 같은 結果를 나타냈으며 赤血球의 洗滌 與否도 結果에 影響을 미치지 안하였다. 다만 培地層의 두께는 溶血에 相當한 影向을 미치며 培地層이 두꺼우면 溶血帶가 적게 나타났다. 개과 고양이에 對한 投與實驗에서 Kanagawa 陽性菌과 陰性菌사이에 症狀의 出現 및 糞便仲 菌排泄에 差異를 볼 수 있다.
Hemolysis of Vibrio paraaemolyticus on specialty prepared media has been considered closely related to its enteropathogenicity and called the Kanagawa phenomenon. Several reports in Japan indicate that strains of V. parahaemolyticus isolated from human diarrheal stools are Kanagawa positive, whereas almost all strains isolated from marine specimens are negative. However, this is not well accepted by some workers and reports on food poisonings associated with Kanagawa negative strains are accumulating.
In the study of Kanagawa phenomenon, the author found that a considerably large proportion of this organism isolated from marine specimens was positive for this reaction. The hemolysis on Modified Wagatsuma blood agar by Kanaganwa negative strains appeared slowly and became clearly positive at 40 to 48 hrs of incubation. The addition of 0.01 M CaCl₂ in media greatly promoted the hemolytic activity of Kanagawa negative strains with a strongly positive reaction at 24 hrs. Many factors influenced the hemolysis by both Kanagawa positive and negative strains, but no qualitative difference was noted. The difference was supposed to be quantitative and to reside in the degree of hemolytic activity. No difference was found between Kanagawa positive and negative strains as the result of feeding experiments in dogs and cats. It was supposed from these results that Kanagawa type hemolysis of V. parahaemolyticus is an expression of strongly hemolytic activity which is distinctly differentiated from the activity of weakly hemolytic strains in special media.
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