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艰难梭菌分离培养与病原学分子特征研究 被引量:13

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摘要 目的建立艰难梭菌分离培养与鉴定的表型诊断技术,并对分离获得的艰难梭菌进行分子学特征研究。方法采集杭州某医院ICU住院患者肛拭标本,接种厌氧血琼脂平皿,置厌氧培养箱,可疑菌株采用厌氧菌鉴定试剂条鉴定;用VIDAS荧光酶联免疫技术检测A/B毒素;用PCR技术检测艰难梭菌毒素基因和核糖体分型。结果 28例ICU患者检出艰难梭菌9株,检出率为32.14%。9株艰难梭菌中,A/B毒素表型阳性7株(77.78%),毒素基因检测均阳性。9株艰难梭菌可分为3种核糖型,其中R3型为优势株,占77.78%。结论杭州市ICU患者检出艰难梭菌的比例较高,均携带A/B毒素基因,且存在优势型别。
出处 《浙江预防医学》 2014年第6期602-603,609,共3页 Zhejiang Journal of Preventive Medicine
基金 浙江省省级重点科技创新团队项目(2011R50021) 杭州市医药卫生科技计划项目(2010A026) 杭州市医学重点专科专病项目(20130733Q32)
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