Аннотация
Chlamydia-like microorganism Waddlia chondrophila (C. Chondrophila) is a new pathogen that causes miscarriages and abortions in humans and cattle. This bacterium is considered as a potential zoonotic agent. The main reservoirs and carriers of C. chondrophila are ixodic ticks, and determining their role remains the most difficult and interesting question to be solved in future studies. The purpose of this study was to identify chlamydia in ixodic ticks collected from cattle by molecular methods. Polymerase chain reaction (PCR) and sequencing were used to confirm the presence of the pathogen in tick samples collected from domestic animals. The analysis of nucleotide sequences showed that the DNA of the bacterium W. chondrophila was detected in the ticks Dermacentor marginatus, Hyalomma asiaticum, Hyalomma marginatum, Ixodes persulcatus, Hyalomma anatolicum. Among 156 tick samples collected from North Kazakhstan, West Kazakhstan, Zhambyl and Turkestan regions, 7% were positive for chlamydia-like microorganism W. chondrophila. The presence of DNA of the chlamydia-like W. chondrophila microorganism in ixodic ticks suggests that additional research is needed to study the potential role of ticks as carriers of these zoonotic bacteria.