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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/23220

    標題: specific PCR primers for the identification of Salmonella enterica serovar enteritidis in chicken-related samples
    作者: SHU-JEN WANG
    貢獻者: 食品科技系
    關鍵字: PCR
    Salmonella enterica serovar Enteritidis
    cell lysates
    日期: 2009-06
    上傳時間: 2010-11-15 11:27:17 (UTC+8)
    摘要: In this study, a designed pair of PCR primers, SefB127L-SefB661R, based on the sefb gene (accession number L11009)
    sequences was used in polymerase chain reaction (PCR) for rapid evaluation of Salmonella enterica serovar Enteritidis in chickenrelated
    samples. The specificity of this method was checked with 85 Salmonella strains and 17 non-Salmonella strains. The results
    showed that only 24 isolates of S. enterica serovar Enteritidis exhibited 535 bp PCR product. The detection limit of this PCR
    method were evaluated using 40 spiked samples under enrichment protocols. The data revealed that microbial extract from as few
    as 101 target cells per gram of the sample culture was required for this assay. Before PCR amplification, pre-culture and the cell
    lysates, rather than the DNA extracts, were used directly for all tested samples. To verify the usefulness of this PCR process for
    S. enterica serovar Enteritidis examination, 285 endogenous samples including chicken meats, eggs and swabs of chicken-related
    samples and coop’s facilities were tested and compared with that obtained by conventional BAM (Bacteriological Analytical
    Manual) method. About 1% (three in 285) of the S. enterica serovar Enteritidis samples was contaminated, approximately the same
    as that obtained from BAM method.
    關聯: Journal of Food and Drug Analysis 17(3):p.183-189
    Appears in Collections:[ 食品科技系 ] 期刊論文

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