Simkania negevensis, an insight into the biology and clinical importance of a novel member of the Chlamydiales order.
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- doi: 10.3109/1040841X.2016.1165650
- issn: 1040-841X
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M. Vouga et al., « Simkania negevensis, an insight into the biology and clinical importance of a novel member of the Chlamydiales order. », Serveur académique Lausannois, ID : 10.3109/1040841X.2016.1165650
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Résumé
Simkania negevensis is a Chlamydia-related bacterium discovered in 1993 and represents the founding member of the Simkaniaceae family within the Chlamydiales order. As other Chlamydiales, it is an obligate intracellular bacterium characterized by a biphasic developmental cycle. Its similarities with the pathogenic Chlamydia trachomatis and Chlamydia pneumoniae make it an interesting bacterium. So far, little is known about its biology, but S. negevensis harbors various microbiological characteristics of interest, including a strong association of the Simkania-containing vacuole with the ER and the presence of an intron in the 23S rRNA encoding gene. Evidence of human exposition has been reported worldwide. However, there is a lack of robust clinical studies evaluating its implication in human diseases; current data suggest an association with pneumonia and bronchiolitis making S. negevensis a potential emerging pathogen. Owing to its fastidious growth requirements, the clinical relevance of S. negevensis is probably underestimated. In this review, we summarize the current knowledge on S. negevensis and explore future research challenges.