虽然疾病加重期的气道细菌浓度高于稳定期，但是，以前的研究均为横断面研究，且缺乏菌株分型。
Bacterial concentrations are higher during exacerbation than during stable disease; however, these studies are cross sectional and devoid of strain typing.
这些分子分型技术是对常规表型分型技术的补充和深入，使我们对所要研究的细菌有更加全面的了解。
These techniques are the supplementary and in-depth developed approaches of conventional phenotype typing methods by which we can gain a more comprehensive understanding of desired bacteria.
结论RAPD技术是细菌基因分型及分子流行病学研究的好方法，在调查监控医院感染流行株方面有重要的临床意义。
CONCLUSIONS RAPD method is a useful tool in molecular epidemiology and bacterial gene typing which survey on epidemic strains of nosocomial infection.
目的：探讨口腔链球菌基因分型，比较细菌相互间基因差异。
Aim: To research oral streptococci strain gene identification and compare their difference.
用PFGE方法对细菌的染色体进行基因分型。
结论PPE患者的细菌学培养对PPE的病理分型和治疗方法的选择具有重要意义。
CONCLUSION the bacterial culture of patients with PPE is important to the clinical pathological typing and the choice of treatment method.
PFGE分子分型监测网络的建立，有助于细菌性痢疾的主动监测、暴发调查和传染源追踪。
The development of PFGE molecular subtyping surveillance network would contribute to the active surveillance, outbreak investigation and source tracking for Shigellosis.
方法回顾性分析85例PPE患者的临床资料，分析病理分型、细菌学特点与治疗结果。
METHODS The clinical data of 85 cases with PPE were retrospectively analyzed. The clinical pathological type, bacteriologic features and treatment results were investigated.
REP-PCR是一种有效快捷的基因分型法，可为细菌同源性分析以及爆发流行时追根溯源建立简便可行的方法。
REP-PCR is a valid and rapid genotyping method for homological analysis and tracking the source of infection during epidemic outbreak.
REP-PCR是一种有效快捷的基因分型法，可为细菌同源性分析以及爆发流行时追根溯源建立简便可行的方法。
REP-PCR is a valid and rapid genotyping method for homological analysis and tracking the source of infection during epidemic outbreak.
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