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題 名 | 應用毛地黃素標幟之寡核苷酸探針於食品中沙門氏菌之檢測=The Use of Digoxigenin-Labeled Oligonucleotide Probes for the Specific Detection of Salmonella in Foods |
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作 者 | 王淑珍; 龔賢鳳; 曾浩洋; | 書刊名 | 藥物食品分析 |
卷 期 | 4:3 1996.09[民85.09] |
頁 次 | 頁233-238 |
分類號 | 412.37 |
關鍵詞 | 沙門氏菌; 毛地黃素; 寡核苷酸探針; Salmonella; Digoxigenin; Oligonucleotide probe; |
語 文 | 中文(Chinese) |
英文摘要 | Three oligonucleotide fragment TS11 ,TS21 and TS31 were labeled with digoxigenin, and the hybridization specificities for three oligonucleotides confirmed with Salmonella and non-Salmonella isolates. Three non-radioactive oligonucleotide probes were used for the specific detection of Salmonella in contaminated food samples, including pork, fish and shrimp samples. It was found that enrichment of Salmonella in food samples using lactose combined tetrathionate broth followed by streaking of the culture on Salmonella-Shigella agar and spotting suspected cells on nitrocellulose paper placed on Luria agar prior to colony hybridization yield unambiguous results. Salmomella at 3 cfu per gram of food could be detected. |
本系統中英文摘要資訊取自各篇刊載內容。