Ixodes ricinus ticks collected from 835 birds and from vegetation in the Czech Republic were analyzed. Host-seeking ticks (n = 427) were infected predominantly by Borrelia afzelii (25%). Ticks (n = 1,012) from songbirds (Passeriformes) were infected commonly by Borrelia garinii (12.1%) and Borrelia valaisiana (13.4%). Juveniles of synanthropic birds, Eurasian blackbirds (Turdus merula) and song thrushes (Turdus philomelos), were major reservoir hosts of B. garinii.

• MeSH
• Borrelia klasifikace   genetika   izolace a purifikace   MeSH
• DNA bakterií MeSH
• infestace klíšťaty parazitologie   veterinární   MeSH
• klíště mikrobiologie   fyziologie   MeSH
• nemoci ptáků mikrobiologie   MeSH
• Passeriformes mikrobiologie   parazitologie   MeSH
• polymerázová řetězová reakce MeSH
• stravovací zvyklosti fyziologie   MeSH
• zdroje nemoci mikrobiologie   MeSH
• zpěvní ptáci mikrobiologie   parazitologie   MeSH
• zvířata MeSH
• Check Tag
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• práce podpořená grantem MeSH
• Geografické názvy
• Česká republika MeSH
• Názvy látek
• DNA bakterií MeSH

Borrelia spirochetes in bird-feeding ticks were studied in the Czech Republic. During the postbreeding period (July to September 2005), 1,080 passerine birds infested by 2,240 Ixodes ricinus subadult ticks were examined. Borrelia garinii was detected in 22.2% of the ticks, Borrelia valaisiana was detected in 12.8% of the ticks, Borrelia afzelii was detected in 1.6% of the ticks, and Borrelia burgdorferi sensu stricto was detected in 0.3% of the ticks. After analysis of infections in which the blood meal volume and the stage of the ticks were considered, we concluded that Eurasian blackbirds (Turdus merula), song thrushes (Turdus philomelos), and great tits (Parus major) are capable of transmitting B. garinii; that juvenile blackbirds and song thrushes are prominent reservoirs for B. garinii spirochetes; that some other passerine birds investigated play minor roles in transmitting B. garinii; and that the presence B. afzelii in ticks results from infection in a former stage. Thus, while B. garinii transmission is associated with only a few passerine bird species, these birds have the potential to distribute millions of Lyme disease spirochetes between urban areas.

• MeSH
• bakteriální proteiny genetika   MeSH
• Borrelia klasifikace   izolace a purifikace   MeSH
• DNA bakterií chemie   genetika   MeSH
• klíště mikrobiologie   MeSH
• lymeská nemoc přenos   veterinární   MeSH
• mezerníky ribozomální DNA chemie   genetika   MeSH
• molekulární sekvence - údaje MeSH
• nemoci ptáků mikrobiologie   MeSH
• Passeriformes mikrobiologie   MeSH
• ribozomální DNA chemie   genetika   MeSH
• sekvenční analýza DNA MeSH
• zdroje nemoci mikrobiologie   MeSH
• zvířata MeSH
• Check Tag
• zvířata MeSH
• Publikační typ
• časopisecké články MeSH
• práce podpořená grantem MeSH
• Geografické názvy
• Česká republika MeSH
• Názvy látek
• bakteriální proteiny MeSH
• DNA bakterií MeSH
• mezerníky ribozomální DNA MeSH
• ribozomální DNA MeSH