大理学院学报
大理學院學報
대이학원학보
JOURNAL OF DALI COLLEGE
2014年
8期
23-25
,共3页
结核分枝杆菌%基因分型%数目可变串联重复序列%多态性%大理地区
結覈分枝桿菌%基因分型%數目可變串聯重複序列%多態性%大理地區
결핵분지간균%기인분형%수목가변천련중복서렬%다태성%대리지구
Mycobacterium tuberculosis%genotyping%VNTR%polymorphism%Dali
目的:应用数目可变串联重复序列(VNTR)分子分型技术,对大理地区60株肺结核临床分离株进行分型研究,探讨大理地区菌株DNA多态性及基因型特征。方法:采用VNTR分子分型技术对60株结核分枝杆菌3个VNTR位点进行检测,应用Quantity one软件和BioNumerics 6.6软件进行聚类分析。结果:60株结核分枝杆菌可以分为4个基因群(Ⅰ群、Ⅱ群、Ⅲ群、Ⅳ群),28个基因型。Ⅰ群占15.0%,含有5个基因型,Ⅱ群占31.7%,含有8个基因型,Ⅲ群占40.0%,含有11个基因型,Ⅳ群占13.3%,含有4个基因型。结论:大理地区的结核分枝杆菌存在基因多态性,其主要流行群为Ⅲ群。
目的:應用數目可變串聯重複序列(VNTR)分子分型技術,對大理地區60株肺結覈臨床分離株進行分型研究,探討大理地區菌株DNA多態性及基因型特徵。方法:採用VNTR分子分型技術對60株結覈分枝桿菌3箇VNTR位點進行檢測,應用Quantity one軟件和BioNumerics 6.6軟件進行聚類分析。結果:60株結覈分枝桿菌可以分為4箇基因群(Ⅰ群、Ⅱ群、Ⅲ群、Ⅳ群),28箇基因型。Ⅰ群佔15.0%,含有5箇基因型,Ⅱ群佔31.7%,含有8箇基因型,Ⅲ群佔40.0%,含有11箇基因型,Ⅳ群佔13.3%,含有4箇基因型。結論:大理地區的結覈分枝桿菌存在基因多態性,其主要流行群為Ⅲ群。
목적:응용수목가변천련중복서렬(VNTR)분자분형기술,대대리지구60주폐결핵림상분리주진행분형연구,탐토대리지구균주DNA다태성급기인형특정。방법:채용VNTR분자분형기술대60주결핵분지간균3개VNTR위점진행검측,응용Quantity one연건화BioNumerics 6.6연건진행취류분석。결과:60주결핵분지간균가이분위4개기인군(Ⅰ군、Ⅱ군、Ⅲ군、Ⅳ군),28개기인형。Ⅰ군점15.0%,함유5개기인형,Ⅱ군점31.7%,함유8개기인형,Ⅲ군점40.0%,함유11개기인형,Ⅳ군점13.3%,함유4개기인형。결론:대리지구적결핵분지간균존재기인다태성,기주요류행군위Ⅲ군。
Objective: To explore DNA polymorphism and genotyping features of strains in Dali by investigating the genotyping in Mycobacterium tuberculosis clinical isolates in Dali with variable number tandem repeats (VNTR) analysis. Methods:3 VNTR loci of 60 Mycobacterium tuberculosis strains were tested with VNTR technology and cluster analysis was performed by Quantity one and BioNumerics 6.6. Results:60 strains were categorized into 4 gene clusters (I, II, III and IV) and 28 genotypes. Cluster I accounted for 15.0%including 5 genotypes;Cluster II, 31.7%including 8 genotypes;Cluster III, 40.0%including 11 genotypes;Cluster IV, 13.3%including 4 genotypes. Conclusion:There was obvious DNA polymorphism of Mycobacterium tuberculosis clinical strains and Cluster III was the predominant prevalent strain in Dali.