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題 名 | Shigella flexneri 分離菌對不同抗生素最小抑制濃度之類群分析=Cluster Analysis of Minimal Inhibitory Concentrations (MICs) in Shigella Flexneri Isolates |
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作 者 | 李聰明; 陳文明; 龔賢鳳; 李維綸; 楊健雄; | 書刊名 | 大仁學報 |
卷 期 | 18 2000.05[民89.05] |
頁 次 | 頁29-41 |
分類號 | 418.281 |
關鍵詞 | 志賀氏桿菌; 最小抑制濃度; 抗生素感受性; Shigella; Antibiotic susceptibility; Minimal inhibitory concentration; |
語 文 | 中文(Chinese) |
中文摘要 | 由南部某教學醫院所收集自1980至1987年的36株Shigella flexneri臨床分離菌株,經抗生素最小抑制濃度(minimal inhibitory concentration;MIC)試驗的結果所得到的二元資料(binary codes),利用Nei’s similarity計算出菌株間的相似係數,再以UPGMA程序建構菌株MIC相關性的樹狀圖譜(dendrogram)後,可將收集到的36株S. flexneri分離菌分成四個類群(cluster),各類群的菌株數目及主要抗藥性型態如下:類群A共有4株,主要抗藥性型態為Sr或Ter的單一抗藥性;類群B共有4株,主要藥性型態為AmprCrNarPrlrSrS*trTer;類群共有24株,主要抗藥性型態為AmprCrSrTer及AmprCrPrlrSrTer兩種;類群D共有4株,主要藥性型態為CrSrTer。所有36株分離菌除了類群A的菌株外,其餘32株均呈多重抗藥性。綜合菌株的MIC類群分析及紙錠擴散法的抗藥性型態分類,發現這兩個系統是可以互補併用於S. fiexneri臨床分離菌株的抗生素感受性的分類依據。 |
英文摘要 | A total of 36 clinical Shigella flexneri isolates were collected in a teaching hospital in southern Taiwan from 1982 to 1987. The minimal inhibitory concentrations (MICs) of these isolates were analyzed and then the results were translated to binary codes. Subsequently, the binary codes were subjected to Nei’s similarity method and then their similarity coefficients were subjected to UPGMA cluster analysis system to construct a MIC related dendrogram. According to the dendrogram, the isolates can be divided into 4 clusters and the drug resistance pattern of each cluster is described as follows. Cluster A contained 4 isolates whose drug resistance pattern was Sr or Ter; cluster B contained 4 isolates whose drug resistance pattern was AmprCrNarPrlrSrS*trTer; cluster C contained 24 isolates whose drug resistance pattern was AmprCrSrTer or AmprCrPrlrSrTer; cluster D contained 4 isolates whose drug resistance pattern was CrSrTer. Except for cluster A, the other 32 isolates showed multiple drug resistance. Taking MIC analysis and drug resistance pattern analysis together, we conclude that these two systems can be cooperatively used in cluster analysis of antibiotic susceptibility in S. flexneri clinical isolates. |
本系統中英文摘要資訊取自各篇刊載內容。