Ticks, Borrelia burgdorferi and Lyme Disease

A special issue of Pathogens (ISSN 2076-0817). This special issue belongs to the section "Ticks".

Deadline for manuscript submissions: closed (15 March 2023) | Viewed by 2629

Special Issue Editor


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Guest Editor
Department of Infectious Diseases and Neuroinfections, Medical University in Białystok, Białystok, Poland
Interests: Borrelia; PCR; tick-borne co-infection; ticks; Lyme disease

Special Issue Information

Dear Colleagues,

Lyme disease/Lyme borreliosis (LD) is a bacterial disease transmitted to humans by ticks, caused by a B. burgdorferi s.l. complex composed of several spirochete genospecies: Borrelia burgdorferi sensu stricto, Borrelia afzelii, Borrelia garinii, Borrelia valaisiana, Borrelia lusitaniae, Borrelia spielmaniiand Borrelia bissetti. B. burgdorferi s.l. infection leads to a mixed, multi-system dysfunction, which may affect skin (erythema migrans (EM), acrodermatitis chronica atropicans (ACA)), nervous system (neuroborreliosis (NB)), joints (Lyme arthritis (LA)), heart (Lyme carditis) or even eyes. The clinical manifestations of LD can be divided into three phases: early localized, early disseminated, and late disease, usually with a diversity of nonspecific symptoms, especially at the beginning of infection.

The number of Lyme borreliosis cases in Europe is rising year by year, but highest incidence is seen in Middle and Middle-east Europe. The same problem is observed in the United States of America.

Proper diagnostic process seems to play a key role in starting successful treatment. At present, in LD diagnosis, epidemiological interview (endemic area of the tick occurrence, the fact of tick bite, time of a tick bite), clinical manifestations and laboratory confirmation are all needed. Laboratory diagnostics is still based on a two-level scheme of immunoserological research: determination of specific antibodies index by ELISA and confirmation by Western blot or immunoblot. Immunoserological tests should be performed at least 4–6 weeks after tick bite (IgM antibodies appear in 3-4 weeks, peak after 6–8 weeks; IgG antibodies appear in 4–6 weeks, peak after 4–6 months). Molecular biology techniques such as PCR and its modifications as well as sequencing (also NGS, next-generation sequencing) give the possibility of earlier confirmation of infection and may spread diagnostic possibilities.

The pathogenesis, different clinical presentations, diagnostic difficulties and treatment in endemic regions are still crucial issues in Lyme borreliosis endemic areas.

This Special Issue will focus on research areas including but not limited to the following:

  1. Epidemiological aspects of Lyme borreliosis.
  2. Pathogenesis and diagnostics of Lyme borreliosis in humans.
  3. Infection in ticks with Borrelia burgdorferi.
  4. Approach to prevention and treatment of Lyme diseases.
  5. Development of novel therapeutic strategies against Lyme diseases and tick-borne co-infections. 

Dr. Justyna Dunaj-Małyszko
Guest Editor

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Keywords

  • Borrelia
  • PCR
  • tick-borne co-infection
  • ticks
  • Lyme disease

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Published Papers (1 paper)

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Research

12 pages, 648 KiB  
Article
The Risk of Exposure to Ticks and Tick-Borne Pathogens in a Spa Town in Northern Poland
by Katarzyna Kubiak, Małgorzata Dmitryjuk, Janina Dziekońska-Rynko, Patryk Siejwa and Ewa Dzika
Pathogens 2022, 11(5), 542; https://doi.org/10.3390/pathogens11050542 - 4 May 2022
Cited by 8 | Viewed by 2241
Abstract
The aim of this study was to determine the potential risk of human exposure to tick-borne infection in a recreation areas in a spa town located in northern Poland. Questing Ixodes ricinus and Dermacentor reticulatus ticks were collected in the spring of 2018. [...] Read more.
The aim of this study was to determine the potential risk of human exposure to tick-borne infection in a recreation areas in a spa town located in northern Poland. Questing Ixodes ricinus and Dermacentor reticulatus ticks were collected in the spring of 2018. Tick-borne microorganisms were detected by PCR. Species were identified based on RFLP and the sequencing of DNA. In total, 38.3% of the ticks (34.6% of I. ricinus and 48.6% of D. reticulatus) were infected. The prevalence was 14.9% for Borrelia spp., 10.6% for Babesia spp. and 17.7% for Rickettsia spp. No Anaplasma phagocytophilum was detected. Spirochaetes B. afzelii, B. garinii and B. burgdorferi s.s. were detected only in I. ricinus ticks (20.2%). The differences in the infection rates of Babesia spp. between I. ricinus (7.7%) and D. reticulatus (18.9%) were not significant. DNA of B. canis and B. venatorum were identified in both tick species. B. microti were detected in D. reticulatus ticks. The prevalence of Rickettsia spp. was significantly higher in D. reticulatus (37.8%) than that in I. ricinus (10.6%). R. raoultii was identified only in D. reticulatus and R. helvetica in I. ricinus. Co-infections of at least two pathogens were recognized in 13% of positive ticks. Full article
(This article belongs to the Special Issue Ticks, Borrelia burgdorferi and Lyme Disease)
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