ASSESSMENT OF RATE OF INFECTION WITH AGENTS OF BACTERIAL INFECTIONS IN TICKS CAPTURED ON ONE OF THE MOSCOW PARK TERRAINS


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Abstract

Aim. To study the rate of infection of ticks captured one of the Moscow park terrains with bacteria (agents of tick borreliosis and anaplasmosis). Materials and methods. Rates of infection of dried ticks with agents of main tick-borne bacterial infections (tick borreliosis and anaplasmosis) were determined by nested PCR. Results. In May-June 2006, 76 ticks (40 adult females, 36 adult males) belonged to Ixodes ricinus species were captured by the method «on flag». Number of ticks on the chosen terrain was 1.77 ticks per km 2. 22.4% of ticks (12 females and 5 males) were positive for the agent of tick borreliosis — spirochete Borrelia burgdorferi sensu lato which is pathogenic for humans. The main detected pathogen was Euro-Asian genovariant of B.garinii — 7 female and 5 male ticks (70.6% from total number of infected ticks) were infected with it. Five female ticks were infected with genovariant of B.afzelii . One female tick (1.2%) was infected with B.valaisiana . Conclusion. Anaplasma A.phagocytophilum causing human granulocytic anaplasmosis was not detected in captured adult ticks.

About the authors

I. G Kharitonenkov

Lomonosov Moscow State University, Russia; Chiba Institute of Science, Japan; Federal Scientific and Clinical Center of Children's Hematology, Oncology and Immunology, Moscow, Russia

T. Masuzawa

Lomonosov Moscow State University, Russia; Chiba Institute of Science, Japan; Federal Scientific and Clinical Center of Children's Hematology, Oncology and Immunology, Moscow, Russia

I. Okamoto

Lomonosov Moscow State University, Russia; Chiba Institute of Science, Japan; Federal Scientific and Clinical Center of Children's Hematology, Oncology and Immunology, Moscow, Russia

T. Fukui

Lomonosov Moscow State University, Russia; Chiba Institute of Science, Japan; Federal Scientific and Clinical Center of Children's Hematology, Oncology and Immunology, Moscow, Russia

I. V Trifonov

Lomonosov Moscow State University, Russia; Chiba Institute of Science, Japan; Federal Scientific and Clinical Center of Children's Hematology, Oncology and Immunology, Moscow, Russia

Yu. P Reznikov

Lomonosov Moscow State University, Russia; Chiba Institute of Science, Japan; Federal Scientific and Clinical Center of Children's Hematology, Oncology and Immunology, Moscow, Russia

A. G Rumyantsev

Lomonosov Moscow State University, Russia; Chiba Institute of Science, Japan; Federal Scientific and Clinical Center of Children's Hematology, Oncology and Immunology, Moscow, Russia

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Copyright (c) 2009 Kharitonenkov I.G., Masuzawa T., Okamoto I., Fukui T., Trifonov I.V., Reznikov Y.P., Rumyantsev A.G.

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