Related Experiment Video
Updated: Jan 27, 2026
03:22
Extraction of Saliva, Haemolymph, Salivary Glands, and Midgut from Individual Ticks (Acari: Ixodidae)
Published on: October 31, 2025
678
Imported Hyalomma ticks in Germany in 2018
Lidia Chitimia-Dobler1,2, Sabine Schaper1, Ramona Rieß1
1Bundeswehr Institute of Microbiology, Neuherbergstrasse 11, 80937, Munich, Germany.
Parasites & Vectors
|March 27, 2019
Summary
Exotic Hyalomma ticks found in Germany carried Rickettsia aeschlimannii, a human pathogen. These imported ticks can establish and potentially transmit diseases, highlighting a public health concern.
Area of Science:
- Veterinary Entomology
- Medical Entomology
- Pathogen Surveillance
Background:
- Hyalomma marginatum and Hyalomma rufipes are significant vectors of Crimean Congo hemorrhagic fever (CCHF) virus and Rickettsia aeschlimannii.
- These tick species are not native to Germany but have been sporadically detected in recent years.
Purpose of the Study:
- To identify and test unusual ticks found in Germany for the presence of specific pathogens.
- To assess the risk posed by imported tick species establishing in Germany.
Main Methods:
- Morphological identification of submitted ticks.
- Molecular detection for CCHF virus, Rickettsia spp., Coxiella burnetii, Coxiella-like organisms, Babesia spp., and Theileria spp.
Main Results:
- Seventeen ticks were identified as Hyalomma spp., with 10 Hyalomma marginatum and 8 Hyalomma rufipes confirmed.
- All tested ticks were negative for CCHF virus and other tested pathogens, except for Rickettsia aeschlimannii.
- Rickettsia aeschlimannii was detected in 50% (9/18) of the identified Hyalomma ticks.
Conclusions:
- Exotic Hyalomma ticks can complete their life cycle in Germany under favorable weather conditions.
- Imported Hyalomma ticks can carry Rickettsia aeschlimannii, a pathogen with implications for human health.
- These findings indicate a potential risk of exotic tick-borne diseases being acquired within Germany.
Related Concept Videos
01:27Protein Import into the Peroxisomes
5.4K
Cells contain membrane-bound organelles called peroxisomes that oxidize organic molecules by transferring hydrogen atoms to oxygen, producing hydrogen peroxide. Peroxisomes enzymatically convert the released hydrogen peroxide into water and oxygen.
Peroxisomal Protein Import:
Peroxisomes lack the genetic machinery required to code for their own proteins. Hence, most peroxisomal membrane, lumenal and transmembrane proteins are synthesized in the cytoplasm or ER and transported to the peroxisome...
Peroxisomal Protein Import:
Peroxisomes lack the genetic machinery required to code for their own proteins. Hence, most peroxisomal membrane, lumenal and transmembrane proteins are synthesized in the cytoplasm or ER and transported to the peroxisome...
5.4K
01:27ABC Transporters: Importer
3.4K
ATP-binding cassette or ABC transporters are a class of ATP-driven pumps that hydrolyze ATP to move solutes across the membrane. They can be grouped into importers and exporters. While exporters are present in all domains of life, importers exist only in bacteria and some plants.
In bacteria, based on the number of transmembrane helices and the chemical nature of their substrates, the ABC importers can be divided into three types:
In bacteria, based on the number of transmembrane helices and the chemical nature of their substrates, the ABC importers can be divided into three types:
3.4K
01:46Nuclear Localization Signals and Import
7.7K
Proteins targeted to the nucleus carry short stretches of amino acid sequences called the nuclear localization signal or NLS. Classical nuclear localization signals are of two types: monopartite and bipartite NLS. Monopartite classical NLS (cNLS) consists of a single cluster of 4-8 amino acids. Bipartite cNLS consists of two clusters of 2-3 amino acids and a 9-12 residue long proline-rich linker bridging the two clusters. Signal clusters are rich in positively charged amino acids such as...
7.7K
00:58Symbiosis
37.1K
Symbiotic relationships are long-term, close interactions between individuals of different species that affect the distribution and abundance of those species. When a relationship is beneficial to both species, this is called mutualism. When the relationship is beneficial to one species but neither beneficial nor harmful to the other species, this is called commensalism. When one organism is harmed to benefit another, the relationship is known as parasitism. These types of relationships often...
37.1K
01:27Correlation and Causation
42.5K
Statistical tests can calculate whether there is a relationship, or correlation, between independent and dependent variables. An indirect relationship of the variables signifies a correlation, while a direct relationship shows causation. If it is determined that no connection exists between the variables, then the correlation is a coincidence.
Correlation versus Causation
If the dependent variable increases or decreases when the independent variable increases, there is a positive or negative...
Correlation versus Causation
If the dependent variable increases or decreases when the independent variable increases, there is a positive or negative...
42.5K
01:18Polygenic Traits
69.0K
When more than one gene is responsible for a given phenotype, the trait is considered polygenic. Human height is a polygenic trait. Studies have uncovered hundreds of loci that influence height, and there are believed to be many more. Due to the high number of genes involved, as well as environmental and nutritional factors, height varies significantly within a given population. The distribution of height forms a bell-shaped curve, with relatively few individuals in the population at the...
69.0K