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Utility of phylogenetic studies in the identification of Leptospira strains

机译：系统发育研究在鉴定钩端螺旋体菌株中的应用

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摘要

A phylogenetic tree, which distinguishes between the serovars and serogroups of leptospires common in Central Europe was constructed using an established RAPD procedure together with digital reading and evaluation (using different computer software programs) of the generated amplified DNA patterns. The application of this procedure has revealed a consistent correspondence between serogroup and genotype (position in constructed tree) in 69 cases, and serovar and genotype in 72 cases, of wild strains of leptospires. There was an agreement between serovar and genotype in cases of strains of Grippotyphosa, Pomona, Mozdok, Arborea and Sorexjalna as well as between serogroup and genotype in cases of Australis, Bataviae and Sejroe. With the procedure used in this study, it was not possible to distinguish between reference strains of serovars Jalna, Bratislava and Lora (all serogroup Australis) as well as between serovars Icterohaemorrhagiae and Copenhageni (both of serogroup Icterohaemorrhagiae). In contrast to this, wild strains belonging to serogroup Sejroe were distributed between Polonica, Istrica, Saxkoebing and Sejroe serovars. Endemic strains of leptospires tested, were also distinguishable.
机译：使用已建立的RAPD程序以及生成的扩增DNA模式的数字读取和评估（使用不同的计算机软件程序），构建了区分中欧常见的钩端螺旋体的血清型和血清型的系统树。该方法的应用揭示了野生钩端螺旋体菌株的血清型和基因型（在人工树中的位置）之间的对应关系为69例，血清型和基因型之间的对应关系为72例。在灰褐线虫，波莫纳，Mozdok，Arborea和Sorexjalna菌株中，血清型和基因型之间存在一致性，而在南极，Bataviae和Sejroe的菌株中，血清型和基因型之间存在一致性。通过本研究中使用的方法，无法区分血清型贾尔纳，布拉迪斯拉发和罗拉（所有血清群极耳）的参考菌株，以及血清型Icterohaemorrhagiae和Copenhageni（血清型Icterohaemorrhagiae两者）之间的参考菌株。与此相反，属于Seroro血清群的野生菌株分布在Polonica，Istrica，Saxkoebing和Sejroe血清型之间。测试的钩端螺旋体的地方性菌株也可以区分。

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