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１９９６－１９９７年我们对我省的七类食品共３００份进行了李斯特氏菌的污染调查，用ＧＢ４７８９．３０－９４的方法并分离出李斯特氏菌６株，用ＰＣＲ技术对分离菌株中李斯特氏菌的两种主要致病因子李氏溶血素 Ｏ（Ｌｉｓｔｅｒｉｏｌｙｓｉｎ Ｏ， Ｈｌｙ）和内化素基因
In 1996-1997, we investigated the contamination of Listeria with 300 samples of seven kinds of food in our province. Six strains of Listeria were isolated by the method of GB4789.30-94, The two main pathogenic factors of Listeria, Listeriolysin O (Hly) and endogenous genes