Related Experiment Video
Updated: May 18, 2026

08:53
Tick Artificial Membrane Feeding for Ixodes scapularis
Published on: November 30, 2022
Migratory birds, ticks, and Bartonella
Ylva Molin1, Mats Lindeborg, Fredrik Nyström
1Clinical Bacteriology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
Infection Ecology & Epidemiology
|September 8, 2012
Summary
This study screened ticks from migratory birds for Bartonella bacteria, a potential zoonotic pathogen. No Bartonella species were detected in any of the tested tick specimens, suggesting they may not be significant vectors in this context.
Area of Science:
- Veterinary Microbiology
- Zoonotic Disease Epidemiology
- Arthropod-borne Pathogens
Background:
- Bartonella species are known zoonotic pathogens transmitted by vectors, with ticks suspected as potential carriers.
- Migratory birds can facilitate the geographic spread of ticks and associated tick-borne pathogens.
- Understanding Bartonella transmission dynamics is crucial for public health and animal health surveillance.
Purpose of the Study:
- To investigate the presence of Bartonella species RNA in ticks collected from migratory birds.
- To assess the role of ticks on migratory birds as potential disseminators of Bartonella.
- To contribute to the surveillance of tick-borne zoonoses in the Mediterranean region.
Main Methods:
- Screening of 386 tick specimens (Hyalomma rufipes nymphs and larvae) collected from migratory birds on Capri and Antikythera islands.
- Detection of Bartonella spp. RNA using molecular methods.
- Quantification of tick infestation rates on birds.
Main Results:
- Ticks were found on 2.7% of the examined migratory birds.
- Hyalomma rufipes (nymphs and larvae) were the predominant tick species identified.
- Bartonella spp. RNA was not detected in any of the screened tick specimens.
Conclusions:
- The study did not detect Bartonella species RNA in ticks collected from migratory birds in the Mediterranean.
- These findings suggest that ticks found on these migratory birds may not be significant reservoirs or vectors for Bartonella in this specific ecological setting.
- Further research is warranted to fully elucidate the role of migratory birds and their associated ticks in Bartonella ecology.
Related Concept Videos
Migration
Migration is long-range, seasonal movement from one region or habitat to another. This common strategy, carried out by many different organisms around the world, is an adaptive response that typically corresponds to changes in an organism’s environment, like resource availability or climate. Migrations can involve huge groups of thousands of animals as well as single individuals traveling alone and can range from thousands of kilometers to just a few hundred meters.
Bacterial Phylum Spirochaetes
Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased by a...
Arboviral Encephalitis
Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
Reservoir of Infection
Infectious diseases arise from intricate interactions between pathogens and their reservoirs. A reservoir of infection refers to the natural habitat where a pathogen lives, grows, and multiplies, serving as a continual source of infection. Reservoirs are broadly classified as either living or nonliving, and each plays a unique role in disease transmission, significantly influencing public health interventions and control strategies.Humans act as reservoirs for a wide array of pathogens,...
Intracellular Movement of Viruses and Bacteria
Intracellular bacteria and viruses often comprise a group of highly infectious pathogens that can cause several diseases. Bacterial pathogens include those belonging to the genus Rickettsia responsible for conditions such as rocky mountain spotted fever and the Mediterranean spotted fever; Chlamydia, a genus responsible for a sexually transmitted disease; Coxiella burnetii, an agent responsible for Q fever. Viral pathogens include vaccinia—a poxvirus, and herpes simplex virus—a virus that...
Sexually Transmitted Infections
Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...

