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首页> 美国卫生研究院文献>Infection and Immunity >Two distinct forms of Chlamydia psittaci associated with disease and infertility in Phascolarctos cinereus (koala).
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Two distinct forms of Chlamydia psittaci associated with disease and infertility in Phascolarctos cinereus (koala).

机译：鹦鹉热衣原体的两种不同形式与灰斑病（Phascolarctos cinereus树袋熊）的疾病和不孕症有关。

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摘要

While several diseases associated with Chlamydia psittaci infection have been reported in Phascolarctos cinereus (koala), it is still unclear whether one or more chlamydial strains are responsible. In this study, we provide evidence, obtained by restriction enzyme and gene probe analysis, that two quite distinct strains of C. psittaci infect koalas; one strain was isolated from the conjunctivae, and the other was isolated from the urogenital tract and the rectum. A gene probe, pFEN207, containing the coding sequence for an enzyme involved in the biosynthesis of the chlamydial genus-specific lipopolysaccharide antigen, and a separate probe, pCPML-4N, prepared from a DNA fragment of a koala-infecting strain of C. psittaci, were used to determine the patterns of hybridization in the koala-infecting strains; these patterns were found to be quite distinct from those observed with C. psittaci isolates from other animals. We also demonstrated by hybridization analysis with an avian strain plasmid that all three koala urogenital isolates contain a plasmid and that there is no evidence for the presence of a homologous plasmid in any of the ocular isolates.
机译：尽管在Phascolarctos cinereus（考拉）中已报道了几种与鹦鹉热衣原体感染有关的疾病，但仍不清楚是由一种还是多种衣原体菌株引起的。在这项研究中，我们提供了通过限制性内切酶和基因探针分析获得的证据，证明两种鹦鹉热梭状芽胞杆菌感染考拉。从结膜分离出一种菌株，从泌尿生殖道和直肠分离出另一种菌株。基因探针pFEN207，包含与衣原体属特异性脂多糖抗原的生物合成有关的酶的编码序列，以及另一种探针pCPML-4N，其由考拉感染鹦鹉热衣原体的DNA片段制备用来确定在考拉感染菌株中的杂交模式。发现这些模式与用其他动物的鹦鹉热梭菌分离株观察到的模式完全不同。我们还通过与禽类菌株质粒的杂交分析证明，所有三个考拉泌尿生殖分离株都包含一个质粒，并且没有证据表明在任何眼分离株中都存在同源质粒。

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