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Musa S, Altenburger C, Vázquez RM, Woog F, Mackenstedt U. Parasite airlines: mapping the distribution and transmission of avian blood parasites in migratory birds. Int J Parasitol 2024:S0020-7519(24)00136-X. [PMID: 38942166 DOI: 10.1016/j.ijpara.2024.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 05/30/2024] [Accepted: 06/22/2024] [Indexed: 06/30/2024]
Abstract
During their journeys, migratory birds encounter a wider range of parasites than residents, transporting them over vast distances. While some parasites are widely distributed, transmission is not inevitable and depends on the presence of competent arthropod vectors as well as parasite compatibility with native bird species. Distinguishing between parasite distribution and transmission areas is crucial for monitoring and assessing risks to native bird species, as distribution areas, with the appropriate conditions, could become potential transmission areas. In this study, blood samples from 455 reed-living birds of the genera Acrocephalus, Locustella, and Emberiza, collected in the nature reserve "Die Reit" in Hamburg, Germany were screened, targeting haemosporidian parasites, trypanosomes, and filarioid nematodes. Determination of migratory bird age was employed to ascertain the transmission area of the detected parasites. Transmission areas were determined, based on information provided by resident and juvenile birds as well as findings in competent vectors. Long-distance migratory birds of the genus Acrocephalus showed a higher prevalence and diversity of blood parasites compared with partially migratory birds such as Emberiza schoeniclus. Notably, an age-dependent difference in parasite prevalence was observed in Acrocephalus spp., but not in E. schoeniclus. Nematodes were absent in all examined bird species. Proposed transmission areas were identified for nine haemosporidian lineages, showing three different types of transmission area, either with limited transmission in Europe or Africa, or active transmission in both regions.
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Affiliation(s)
- Sandrine Musa
- University of Hohenheim, Emil-Wolff-Str. 34, 70599 Stuttgart, Germany.
| | | | | | - Friederike Woog
- State Museum of Natural History, Rosenstein 1, 70191 Stuttgart, Germany
| | - Ute Mackenstedt
- University of Hohenheim, Emil-Wolff-Str. 34, 70599 Stuttgart, Germany
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Ferraguti M, Magallanes S, Mora-Rubio C, Bravo-Barriga D, Marzal A, Hernandez-Caballero I, Aguilera-Sepúlveda P, Llorente F, Pérez-Ramírez E, Guerrero-Carvajal F, Jiménez-Clavero MÁ, Frontera E, Ortiz JA, de Lope F. Implications of migratory and exotic birds and the mosquito community on West Nile virus transmission. Infect Dis (Lond) 2024; 56:206-219. [PMID: 38160682 DOI: 10.1080/23744235.2023.2288614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 11/23/2023] [Indexed: 01/03/2024] Open
Abstract
BACKGROUND Vector-borne diseases like West Nile virus (WNV) pose a global health challenge, with rising incidence and distribution. Culex mosquitoes are crucial WNV vectors. Avian species composition and bird community diversity, along with vector communities, influence WNV transmission patterns. However, limited knowledge exists on their impact in southwestern Spain, an area with active WNV circulation in wild birds, mosquitoes, and humans. METHODS To address this, we conducted a comprehensive study investigating the contributions of migratory and exotic bird species to WNV transmission and the influence of mosquito community composition. RESULTS Analysing 1194 serum samples from 44 avian species, we detected WNV antibodies in 32 samples from 11 species, four for the first time in Europe. Migratory birds had higher WNV exposure likelihood than native and exotic species, and higher phylogenetic diversity in bird communities correlated with lower exposure rates. Moreover, in 5859 female mosquitoes belonging to 12 species, we identified WNV competent vectors like Cx. pipiens s.l. and the Univittatus subgroup. Birds with WNV antibodies were positively associated with competent vector abundance, but negatively with overall mosquito species richness. CONCLUSIONS These findings highlight the complex interactions between bird species, their phylogenetics, and mosquito vectors in WNV transmission. Understanding these dynamics will help to implement effective disease control strategies in southwestern Spain.
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Affiliation(s)
- Martina Ferraguti
- Estación Biológica de Doñana (EBD), CSIC, Departamento de Biología de la Conservación y Cambio Global, Seville, Spain
- Universidad de Extremadura, Facultad de Biología, Departamento de Anatomía, Biología Celular y Zoología, Badajoz, Spain
- Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Sergio Magallanes
- Estación Biológica de Doñana (EBD), CSIC, Departamento de Biología de la Conservación y Cambio Global, Seville, Spain
- Universidad de Extremadura, Facultad de Biología, Departamento de Anatomía, Biología Celular y Zoología, Badajoz, Spain
- Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Carlos Mora-Rubio
- Universidad de Extremadura, Facultad de Biología, Departamento de Anatomía, Biología Celular y Zoología, Badajoz, Spain
| | - Daniel Bravo-Barriga
- Universidad de Córdoba, Departamento de Sanidad Animal, Grupo de Investigación en Zoonosis y Sanidad Animal (GISAZ), UIC Zoonosis y Enfermedades Emergentes ENZOEM, Córdoba, Spain
- Universidad de Extremadura, Facultad de Veterinaria, Departamento de Sanidad Animal, Parasitología, Cáceres, Spain
| | - Alfonso Marzal
- Universidad de Extremadura, Facultad de Biología, Departamento de Anatomía, Biología Celular y Zoología, Badajoz, Spain
- Universidad Nacional de San Martín, Grupo de Investigaciones en Fauna Silvestre, Tarapoto, Perú
| | - Irene Hernandez-Caballero
- Universidad de Extremadura, Facultad de Biología, Departamento de Anatomía, Biología Celular y Zoología, Badajoz, Spain
| | | | - Francisco Llorente
- Centro de Investigación en Sanidad Animal (CISA-INIA), CSIC, Valdeolmos, Spain
| | - Elisa Pérez-Ramírez
- Centro de Investigación en Sanidad Animal (CISA-INIA), CSIC, Valdeolmos, Spain
| | | | - Miguel Ángel Jiménez-Clavero
- Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
- Centro de Investigación en Sanidad Animal (CISA-INIA), CSIC, Valdeolmos, Spain
| | - Eva Frontera
- Universidad Nacional de San Martín, Grupo de Investigaciones en Fauna Silvestre, Tarapoto, Perú
| | | | - Florentino de Lope
- Universidad de Extremadura, Facultad de Biología, Departamento de Anatomía, Biología Celular y Zoología, Badajoz, Spain
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Marzal A, Magallanes S, Garcia-Longoria L. Stimuli Followed by Avian Malaria Vectors in Host-Seeking Behaviour. BIOLOGY 2022; 11:726. [PMID: 35625454 PMCID: PMC9138572 DOI: 10.3390/biology11050726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 03/30/2022] [Accepted: 04/29/2022] [Indexed: 06/15/2023]
Abstract
Vector-borne infectious diseases (e.g., malaria, dengue fever, and yellow fever) result from a parasite transmitted to humans and other animals by blood-feeding arthropods. They are major contributors to the global disease burden, as they account for nearly a fifth of all infectious diseases worldwide. The interaction between vectors and their hosts plays a key role driving vector-borne disease transmission. Therefore, identifying factors governing host selection by blood-feeding insects is essential to understand the transmission dynamics of vector-borne diseases. Here, we review published information on the physical and chemical stimuli (acoustic, visual, olfactory, moisture and thermal cues) used by mosquitoes and other haemosporidian vectors to detect their vertebrate hosts. We mainly focus on studies on avian malaria and related haemosporidian parasites since this animal model has historically provided important advances in our understanding on ecological and evolutionary process ruling vector-borne disease dynamics and transmission. We also present relevant studies analysing the capacity of feather and skin symbiotic bacteria in the production of volatile compounds with vector attractant properties. Furthermore, we review the role of uropygial secretions and symbiotic bacteria in bird-insect vector interactions. In addition, we present investigations examining the alterations induced by haemosporidian parasites on their arthropod vector and vertebrate host to enhance parasite transmission. Finally, we propose future lines of research for designing successful vector control strategies and for infectious disease management.
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Affiliation(s)
- Alfonso Marzal
- Department of Anatomy, Cellular Biology and Zoology, University of Extremadura, Avenida de Elvas s/n, 06006 Badajoz, Spain;
- Grupo de Investigación y Sostenibilidad Ambiental, Universidad Nacional Federico Villarreal, Lima 15007, Peru
| | - Sergio Magallanes
- Department of Wetland Ecology, Biological Station (EBD-CSIC), Avda, Américo Vespucio 26, 41092 Sevilla, Spain;
| | - Luz Garcia-Longoria
- Department of Anatomy, Cellular Biology and Zoology, University of Extremadura, Avenida de Elvas s/n, 06006 Badajoz, Spain;
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