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48株临床分离假丝酵母菌DNA异质性分析
引用本文:李菁,张文莉,郭薇媛,张和光,马佳毓. 48株临床分离假丝酵母菌DNA异质性分析[J]. 微生物学杂志, 2006, 26(4): 91-94
作者姓名:李菁  张文莉  郭薇媛  张和光  马佳毓
作者单位:1. 齐齐哈尔卫生学校,微生物教研室,黑龙江,齐齐哈尔,161006
2. 哈尔滨医科大学,黑龙江,哈尔滨,150086
3. 哈尔滨医科大学,附属二院,黑龙江,哈尔滨,150086
摘    要:应用随机扩增多态性DNA技术(RAPD)对48株假丝酵母菌临床菌株进行PCR扩增,并对扩增产物的指纹图谱进行分析,结果显示:48株假丝酵母菌中白假丝酵母菌35株,非白假丝酵母菌13株,引物1和引物2将来源不同的35株白假丝酵母菌分成4型和6型,且RAPD技术可将白假丝酵母菌鉴定至种,并可分辩同种菌的不同型别,是假丝酵母菌致感染、追踪病原的分子流行病学研究有效方法。

关 键 词:假丝酵母菌  随机扩增DNA多态性
文章编号:1005-7021(2006)04-0091-04
修稿时间:2006-04-03

DNA Heterogeneity Analysis of 48 Clinic-Isolated Candida Strains
LI Jing,ZHANG Wen-li,GUO Wei-yuan,ZHANG He-guang,MA Jia-yu. DNA Heterogeneity Analysis of 48 Clinic-Isolated Candida Strains[J]. Journal of Microbiology, 2006, 26(4): 91-94
Authors:LI Jing  ZHANG Wen-li  GUO Wei-yuan  ZHANG He-guang  MA Jia-yu
Affiliation:1.Teach.& Res.Div.of Microbiol.Qiqihar Health Sch.Qiqihar 161006;2.Harbin Med.Univ.Harbin 150085;3.Second Affiliated Hosp.Harbin Med.Univ. Harbin 150086
Abstract:Genotypic DNA of 48 clinic-isolated Candida strains were amplified with RAPD(Random primer of amplified polymorphism DNA),and analyzed their fingerprints.The results revealed that they consisted of 35 Candida albicans strains and 13 non-C.albicans strains.The 35 C.albicans isolated could be classified into 4 and 6 genotype by the primer 1 and primer 2.RAPD method not only identifies Candida species,but also distinguishes further different type in the same species,and is a fine molecular epidemiological method to investigate nosocomial infection.
Keywords:Candida  RAPD
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