Francisella-Like Endosymbionts and Rickettsia Species in Local and Imported Hyalomma Ticks
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چکیده
منابع مشابه
Rickettsia aeschlimannii in Hyalomma marginatum Ticks, Germany
Fragile transmission cycles of tick-borne encephalitis virus may be disrupted by predicted climate change. Rickettsia aeschlimannii in Hyalomma marginatum Ticks, Germany To the Editor: Rickettsia spp. of the spotted fever group cause worldwide emerging human infections known as tick-borne rickettsioses (1). Data on the occurrence and prevalence of Rickettsia in Germany are still limited (2). Si...
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Bacterial endosymbionts with significant homology to Francisella tularensis (gamma-proteobacteria) have been described from at least five species of ticks in three different genera, including two North American Dermacentor species [D. andersoni Stiles and D. variabilis (Say)]. The evolutionary relationships among the Francisella-like endosymbionts (FLE) from different hosts and between FLE and ...
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The presence of Francisella-like endosymbionts in tick species known to transmit tularemia poses a potential diagnostic problem for laboratories that screen tick samples by PCR for Francisella tularensis. Tick samples initially considered positive for F. tularensis based on standard 16S rRNA gene PCR were found to be positive only for Francisella-like endosymbionts using a multitarget F. tulare...
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A total of 784 (626♀, 158♂) Hyalomma marginatum Koch, 1844 ticks collected from humans in Turkey were tested for the presence of spotted fever group rickettsiae using polymerase chain reaction (PCR) targeting the citrate synthase (gltA= 381 bp) and the outer membrane protein A (ompA= 532 bp) genes, followed by sequencing analysis. Of the ticks tested, 39 were infected by Rickettsia aeschlimanni...
متن کاملMultiple Acquisitions of Pathogen-Derived Francisella Endosymbionts in Soft Ticks
Bacterial endosymbionts of ticks are of interest due to their close evolutionary relationships with tick-vectored pathogens. For instance, whereas many ticks contain Francisella-like endosymbionts (FLEs), others transmit the mammalian pathogen Francisella tularensis. We recently sequenced the genome of an FLE present in the hard tick Amblyomma maculatum (FLE-Am) and showed that it likely evolve...
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ژورنال
عنوان ژورنال: Applied and Environmental Microbiology
سال: 2017
ISSN: 0099-2240,1098-5336
DOI: 10.1128/aem.01302-17