Anna Obiegala
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View article: Influence of tick age and land-use on Borrelia burgdorferi s.l. in Ixodes ricinus ticks from the Swabian Alb, Germany
Influence of tick age and land-use on Borrelia burgdorferi s.l. in Ixodes ricinus ticks from the Swabian Alb, Germany Open
Background In Europe, Ixodes ricinus ticks transmit various zoonotic pathogens, including Borrelia burgdorferi sensu lato (s.l.), the causative agent of Lyme borreliosis (LB). However, the relationship between Borrelia prevalence, bacteria…
View article: Landscape heterogeneity, forest structure, and mammalian host diversity shape tick density and prevalence of the causative agent of Lyme borreliosis
Landscape heterogeneity, forest structure, and mammalian host diversity shape tick density and prevalence of the causative agent of Lyme borreliosis Open
Ticks, particularly Ixodes ricinus, and the associated Lyme borreliosis risk, represent key concerns within the One Health framework, prompting extensive research in this field. However, comprehensive studies that jointly consider landscap…
View article: Landscape heterogeneity, forest structure and mammalian host diversity shape <i>Ixodes ricinus</i> density and <i>Borrelia</i> prevalence in German forests
Landscape heterogeneity, forest structure and mammalian host diversity shape <i>Ixodes ricinus</i> density and <i>Borrelia</i> prevalence in German forests Open
Ticks, particularly Ixodes ricinus , and the associated Lyme borreliosis risk, represent key concerns within the One Health framework, prompting extensive research in this field. However, comprehensive studies that jointly consider landsca…
View article: Analysis of ticks (Acari: Ixodida) and associated microorganisms collected on the North Sea Island of Heligoland
Analysis of ticks (Acari: Ixodida) and associated microorganisms collected on the North Sea Island of Heligoland Open
Heligoland is an island located in the North Sea, where vegetation was almost destroyed as a result of heavy bombardment during and after the Second World War. However, over the past 70 years, the vegetation has developed from scrub toward…
View article: Tick-borne pathogens in raccoons (Procyon lotor) from Germany
Tick-borne pathogens in raccoons (Procyon lotor) from Germany Open
Germany is harbouring the majority of Europe's raccoon population, which are considered as invasive neozoa. Many zoonotic pathogens are found in wild raccoons worldwide, but there is a lack of eco-epidemiological data for most of Germany's…
View article: Toxoplasma gondii Seroprevalence and Risk Factors in Feline Patients Admitted to a Small Animal Veterinary Teaching Hospital in Central Germany over 11 Years (2012–2023)
Toxoplasma gondii Seroprevalence and Risk Factors in Feline Patients Admitted to a Small Animal Veterinary Teaching Hospital in Central Germany over 11 Years (2012–2023) Open
Toxoplasma gondii is a protozoan parasite in cats that can be a cause of zoonotic concern due to sheding infectious and highly resistant oocysts. Clinical toxoplasmosis is rare in cats and can occur with mild to severe clinical signs or ev…
View article: <i>Anaplasma platys</i> and <i>Rickettsia massiliae</i> in <i>Rhipicephalus sanguineus</i> sensu stricto ticks collected on dogs in the Patagonian region of Argentina
<i>Anaplasma platys</i> and <i>Rickettsia massiliae</i> in <i>Rhipicephalus sanguineus</i> sensu stricto ticks collected on dogs in the Patagonian region of Argentina Open
The aim of this study was to examine the presence of tick-borne rickettsial bacteria in Rhipicephalus sanguineus sensu stricto ticks collected from dogs in the Patagonian region of Argentina. Fourteen stray dogs from Valcheta, Río Negro pr…
View article: Ticks and tick-borne diseases from Mallorca Island, Spain
Ticks and tick-borne diseases from Mallorca Island, Spain Open
Ixodid ticks are obligate blood-feeding arthropods and important vectors of pathogens. In Mallorca, almost no data on the tick fauna are available. Herein, we investigated ticks and tick-borne pathogens in ticks collected from dogs, a cat …
View article: Identification of New Microfoci and Genetic Characterization of Tick-Borne Encephalitis Virus Isolates from Eastern Germany and Western Poland
Identification of New Microfoci and Genetic Characterization of Tick-Borne Encephalitis Virus Isolates from Eastern Germany and Western Poland Open
(1) Background: Tick-borne encephalitis (TBE) is the most important tick-borne viral disease in Eurasia, although effective vaccines are available. Caused by the tick-borne encephalitis virus (TBEV, syn. Orthoflavivirus encephalitidis), in…
View article: Vector-Borne and Zoonotic Pathogens in Raccoon Dogs (Nyctereutes procyonoides) and Raccoons (Procyon lotor) from Schleswig-Holstein, Germany
Vector-Borne and Zoonotic Pathogens in Raccoon Dogs (Nyctereutes procyonoides) and Raccoons (Procyon lotor) from Schleswig-Holstein, Germany Open
Raccoon dogs (Nyctereutes procyonoides) and raccoons (Procyon lotor) are invasive alien species originating from East Asia and North America, respectively. They are discussed as vectors and reservoirs for various infectious diseases, inclu…
View article: Host–pathogen associations revealed by genotyping of European strains of Anaplasma phagocytophilum to describe natural endemic cycles
Host–pathogen associations revealed by genotyping of European strains of Anaplasma phagocytophilum to describe natural endemic cycles Open
Background The zoonotic intracellular alpha-proteobacterium Anaplasma phagocytophilum is a tick-transmitted pathogen. The associations between vertebrate reservoirs and vectors are described as wide-ranging, and it was previously shown tha…
View article: Spotted Fever Group Rickettsiae in Ticks and Small Mammals from Grassland and Forest Habitats in Central Germany
Spotted Fever Group Rickettsiae in Ticks and Small Mammals from Grassland and Forest Habitats in Central Germany Open
Rickettsiae of the spotted fever group (SFG) are zoonotic tick-borne pathogens. Small mammals are important hosts for the immature life stages of two of the most common tick species in Europe, Ixodes ricinus and Dermacentor reticulatus. Th…
View article: White-Toothed Shrews (Genus Crocidura): Potential Reservoirs for Zoonotic Leptospira spp. and Arthropod-Borne Pathogens?
White-Toothed Shrews (Genus Crocidura): Potential Reservoirs for Zoonotic Leptospira spp. and Arthropod-Borne Pathogens? Open
Three species of white-toothed shrews of the order Eulipotyphla are present in central Europe: the bicolored (Crocidura leucodon), greater (Crocidura russula) and lesser (Crocidura suaveolens) white-toothed shrews. Their precise distributi…
View article: Horses as Sentinels for the Circulation of Flaviviruses in Eastern–Central Germany
Horses as Sentinels for the Circulation of Flaviviruses in Eastern–Central Germany Open
Since 2018, autochthonous West Nile virus (WNV) infections have been regularly reported in eastern–central Germany. While clinically apparent infections in humans and horses are not frequent, seroprevalence studies in horses may allow the …
View article: Preliminary Study on Artificial versus Animal-Based Feeding Systems for Amblyomma Ticks (Acari: Ixodidae)
Preliminary Study on Artificial versus Animal-Based Feeding Systems for Amblyomma Ticks (Acari: Ixodidae) Open
Hard ticks pose a threat to animal and human health. Active life stages need to feed on a vertebrate host in order to complete their life cycle. To study processes such as tick-pathogen interactions or drug efficacy and pharmacokinetics, i…
View article: Seroprevalence of Tick-Borne Encephalitis (TBE) Virus Antibodies in Wild Rodents from Two Natural TBE Foci in Bavaria, Germany
Seroprevalence of Tick-Borne Encephalitis (TBE) Virus Antibodies in Wild Rodents from Two Natural TBE Foci in Bavaria, Germany Open
Tick-borne encephalitis (TBE) is Eurasia’s most important tick-borne viral disease. Rodents play an important role as natural hosts. Longitudinal studies on the dynamics of the seroprevalence rates in wild rodents in natural foci over the …
View article: Influence of Season, Population and Individual Characteristics on the Prevalence of Leptospira spp. in Bank Voles in North-West Germany
Influence of Season, Population and Individual Characteristics on the Prevalence of Leptospira spp. in Bank Voles in North-West Germany Open
Leptospirosis is a worldwide zoonotic disease with more than 1 million human cases annually. Infections are associated with direct contact to infected animals or indirect contact to contaminated water or soil. As not much is known about th…
View article: Geographical Distribution and Genetic Diversity of Bank Vole Hepaciviruses in Europe
Geographical Distribution and Genetic Diversity of Bank Vole Hepaciviruses in Europe Open
The development of new diagnostic methods resulted in the discovery of novel hepaciviruses in wild populations of the bank vole (Myodes glareolus, syn. Clethrionomys glareolus). The naturally infected voles demonstrate signs of hepatitis s…
View article: Evaluating Transmission Paths for Three Different Bartonella spp. in Ixodes ricinus Ticks Using Artificial Feeding
Evaluating Transmission Paths for Three Different Bartonella spp. in Ixodes ricinus Ticks Using Artificial Feeding Open
Bartonellae are facultative intracellular alpha-proteobacteria often transmitted by arthropods. Ixodes ricinus is the most important vector for arthropod-borne pathogens in Europe. However, its vector competence for Bartonella spp. is stil…
View article: First Detection of Bartonella spp. in Small Mammals from Rice Storage and Processing Facilities in Myanmar and Sri Lanka
First Detection of Bartonella spp. in Small Mammals from Rice Storage and Processing Facilities in Myanmar and Sri Lanka Open
(1) Background: Bartonella spp. are zoonotic bacteria with small mammals as main reservoirs. Bartonella spp. prevalence in small mammals from Myanmar and Sri Lanka are yet unknown. (2) Methods: Small mammals were snap trapped in Sri Lanka …
View article: Bartonella spp. in Small Mammals and Their Fleas in Differently Structured Habitats From Germany
Bartonella spp. in Small Mammals and Their Fleas in Differently Structured Habitats From Germany Open
Most Bartonella spp. are transmitted by fleas and harbored by small mammals which serve as reservoirs. However, little is known about the composition of fleas and their Bartonella spp. from small mammals in Central Europe. Therefore, the a…
View article: The Red Fox (Vulpes vulpes) as Sentinel for Tick-Borne Encephalitis Virus in Endemic and Non-Endemic Areas
The Red Fox (Vulpes vulpes) as Sentinel for Tick-Borne Encephalitis Virus in Endemic and Non-Endemic Areas Open
Tick-borne encephalitis (TBE) is one of the most important viral zoonosis caused by a neurotropic arbovirus (TBEV). In Germany, TBE is classified as a notifiable disease with an average of 350 autochthonous human cases annually. The incide…