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Figuerola J, la Puente JMD, Díez-Fernández A, Thomson RL, Aguirre JI, Faivre B, Ibañez-Alamo JD. Urbanization correlates with the prevalence and richness of blood parasites in Eurasian Blackbirds (Turdus merula). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171303. [PMID: 38423334 DOI: 10.1016/j.scitotenv.2024.171303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 02/13/2024] [Accepted: 02/25/2024] [Indexed: 03/02/2024]
Abstract
Urbanization is increasing worldwide, producing severe environmental impacts. Biodiversity is affected by the expansion of cities, with many species being unable to cope with the different human-induced stressors present in these landscapes. However, this knowledge is mainly based on research from taxa such as plants or vertebrates, while other organisms like protozoa have been less studied in this context. The impact of urbanization on the transmission of vector-borne pathogens in wildlife is still unclear despite its relevance for animal and human health. Here, we investigated whether cities are associated with changes in the prevalence and richness of lineages of three vector-borne protozoans (Plasmodium, Haemoproteus and Leucocytozoon) in Eurasian blackbirds (Turdus merula) from multiple urban and forest areas in Europe. Our results show important species-specific differences between these two habitat types. We found a significant lower prevalence of Leucocytozoon in urban birds compared to forest birds, but no differences for Plasmodium and Haemoproteus. Furthermore, the richness of parasite lineages in European cities was higher for Plasmodium but lower for Leucocytozoon than in forests. We also found one Plasmodium lineage exclusively from cities while another of Leucocytozoon was only found in forests suggesting a certain level of habitat specialization for these protozoan vectors. Overall, our findings show that cities provide contrasting opportunities for the transmission of different vector-borne pathogens and generate new scenarios for the interactions between hosts, vectors and parasites.
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Affiliation(s)
- Jordi Figuerola
- Estación Biológica de Doñana, 41092 Sevilla, Spain; CIBER Epidemiología y Salud Pública, 28029 Madrid, Spain.
| | | | - Alazne Díez-Fernández
- Estación Biológica de Doñana, 41092 Sevilla, Spain; Universidad de Extremadura, 06006 Badajoz, Spain
| | - Robert L Thomson
- FitzPatrick Institute of African Ornithology, University of Cape Town, 7701 Cape Town, South Africa
| | | | - Bruno Faivre
- UMR CNRS 6282, Biogéosciences, Université Bourgogne Franche-Comté, 21000 Dijon, France
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Ferraguti M, Martínez-de la Puente J, Ruiz S, Soriguer RC, Figuerola J. Landscape and mosquito community impact the avian Plasmodium infection in Culex pipiens. iScience 2024; 27:109194. [PMID: 38433892 PMCID: PMC10906513 DOI: 10.1016/j.isci.2024.109194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/05/2023] [Accepted: 02/07/2024] [Indexed: 03/05/2024] Open
Abstract
Avian malaria parasites provide an important model for studying host-pathogen interactions, yet understanding their dynamics in vectors under natural conditions is limited. We investigated the effect of vector abundance, species richness and diversity, and habitat characteristics on avian Plasmodium prevalence and lineage richness in Culex pipiens across 45 urban, natural, and rural localities in southern Spain. Analyzing 16,574 mosquitoes grouped in 768 mosquito pools, 32.7% exhibited parasite presence. 13 different Plasmodium lineages were identified, with the lineage SYAT05 being the most commonly found. Parasite prevalence positively correlated with the distance to saltmarshes and rivers, but negatively with the distance to total water source. Parasite lineage diversity was higher in natural than in rural areas and positively correlated with mosquito species richness. These results emphasize the complex dynamics of avian Plasmodium in the wild, with habitat characteristics and vector community driving the parasite transmission by mosquito vectors.
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Affiliation(s)
- Martina Ferraguti
- Departamento de Biología de la Conservación y Cambio Global, Estación Biológica de Doñana (EBD), CSIC, C/Américo Vespucio, 26, 41092 Seville, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Josué Martínez-de la Puente
- Department of Parasitology, University of Granada (UGR), Granada, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Santiago Ruiz
- Servicio de Control de Mosquitos, Diputación de Huelva, Huelva, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Ramón C. Soriguer
- Departamento de Biología de la Conservación y Cambio Global, Estación Biológica de Doñana (EBD), CSIC, C/Américo Vespucio, 26, 41092 Seville, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Jordi Figuerola
- Departamento de Biología de la Conservación y Cambio Global, Estación Biológica de Doñana (EBD), CSIC, C/Américo Vespucio, 26, 41092 Seville, Spain
- CIBER de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
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Nadal J, Sáez D, Volponi S, Serra L, Spina F, Margalida A. The effects of cities on quail (Coturnix coturnix) migration: a disturbing story of population connectivity, health, and ecography. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:266. [PMID: 38353774 PMCID: PMC10867070 DOI: 10.1007/s10661-023-12277-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/29/2023] [Indexed: 02/16/2024]
Abstract
The increasing impact of human activities on ecosystems is provoking a profound and dangerous effect, particularly in wildlife. Examining the historical migration patterns of quail (Coturnix coturnix) offers a compelling case study to demonstrate the repercussions of human actions on biodiversity. Urbanization trends, where people gravitate toward mega-urban areas, amplify this effect. The proliferation of artificial urban ecosystems extends its influence across every biome, as human reliance on infrastructure and food sources alters ecological dynamics extensively. We examine European quail migrations pre- and post-World War II and in the present day. Our study concentrates on the Italian peninsula, investigating the historical and contemporary recovery of ringed quail populations. To comprehend changes in quail migration, we utilize trajectory analysis, open statistical data, and linear generalized models. We found that while human population and economic growth have shown a linear increase, quail recovery rates exhibit a U-shaped trajectory, and cereal and legume production displays an inverse U-shaped pattern. Generalized linear models have unveiled the significant influence of several key factors-time periods, cereal and legume production, and human demographics-on quail recovery rates. These factors closely correlate with the levels of urbanization observed across these timeframes. These insights underscore the profound impact of expanding human populations and the rise of mega-urbanization on ecosystem dynamics and services. As our planet becomes more urbanized, the pressure on ecosystems intensifies, highlighting the urgent need for concerted efforts directed toward conserving and revitalizing ecosystem integrity. Simultaneously, manage the needs and demands of burgeoning mega-urban areas. Achieving this balance is pivotal to ensuring sustainable coexistence between urban improvement and the preservation of our natural environment.
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Affiliation(s)
- Jesús Nadal
- Department of Animal Science, Division of Wildlife, Faculty of Life Sciences and Engineering, University of Lleida, Avd. Alcalde Rovira Roure 191, 25198, Lleida, Spain.
| | - David Sáez
- Department of Animal Science, Division of Wildlife, Faculty of Life Sciences and Engineering, University of Lleida, Avd. Alcalde Rovira Roure 191, 25198, Lleida, Spain
| | - Stefano Volponi
- Area Avifauna Migratrice, Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Via Cà Fornacetta, 9, I-40064, Ozzano Emilia BO, Italy
| | - Lorenzo Serra
- Area Avifauna Migratrice, Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Via Cà Fornacetta, 9, I-40064, Ozzano Emilia BO, Italy
| | - Fernando Spina
- Area Avifauna Migratrice, Istituto Superiore per la Protezione e la Ricerca Ambientale (ISPRA), Via Cà Fornacetta, 9, I-40064, Ozzano Emilia BO, Italy
| | - Antoni Margalida
- Institute for Game and Wildlife Research, IREC (CSIC-UCLM-JCCM), 13005, Ciudad Real, Spain
- Pyrenean Institute of Ecology (CSIC), Avda. Nuestra Señora de la Victoria, 12, 22700, Jaca, Spain
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Garrigós M, Veiga J, Garrido M, Marín C, Recuero J, Rosales MJ, Morales-Yuste M, Martínez-de la Puente J. Avian Plasmodium in invasive and native mosquitoes from southern Spain. Parasit Vectors 2024; 17:40. [PMID: 38287455 PMCID: PMC10826103 DOI: 10.1186/s13071-024-06133-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 01/11/2024] [Indexed: 01/31/2024] Open
Abstract
BACKGROUND The emergence of diseases of public health concern is enhanced by factors associated with global change, such as the introduction of invasive species. The Asian tiger mosquito (Aedes albopictus), considered a competent vector of different viruses and parasites, has been successfully introduced into Europe in recent decades. Molecular screening of parasites in mosquitoes (i.e. molecular xenomonitoring) is essential to understand the potential role of different native and invasive mosquito species in the local circulation of vector-borne parasites affecting both humans and wildlife. METHODS The presence of avian Plasmodium parasites was molecularly tested in mosquitoes trapped in five localities with different environmental characteristics in southern Spain from May to November 2022. The species analyzed included the native Culex pipiens and Culiseta longiareolata and the invasive Ae. albopictus. RESULTS Avian Plasmodium DNA was only found in Cx. pipiens with 31 positive out of 165 mosquito pools tested. None of the Ae. albopictus or Cs. longiareolata pools were positive for avian malaria parasites. Overall, eight Plasmodium lineages were identified, including a new lineage described here. No significant differences in parasite prevalence were found between localities or sampling sessions. CONCLUSIONS Unlike the invasive Ae. albopictus, Cx. pipiens plays a key role in the transmission of avian Plasmodium in southern Spain. However, due to the recent establishment of Ae. albopictus in the area, further research on the role of this species in the local transmission of vector-borne pathogens with different reservoirs is required.
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Affiliation(s)
- Marta Garrigós
- Doñana Biological Station, EBD-CSIC, Seville, Spain.
- Department of Parasitology, University of Granada, Granada, Spain.
| | - Jesús Veiga
- Doñana Biological Station, EBD-CSIC, Seville, Spain
- Department of Parasitology, University of Granada, Granada, Spain
| | - Mario Garrido
- Department of Parasitology, University of Granada, Granada, Spain
| | - Clotilde Marín
- Department of Parasitology, University of Granada, Granada, Spain
| | - Jesús Recuero
- Veterinary and Conservation Department, Bioparc Fuengirola, Malaga, Spain
| | | | | | - Josué Martínez-de la Puente
- Doñana Biological Station, EBD-CSIC, Seville, Spain.
- Department of Parasitology, University of Granada, Granada, Spain.
- CIBER Epidemiology and Public Health (CIBERESP), Madrid, Spain.
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Minias P. The effects of urban life on animal immunity: Adaptations and constraints. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 895:165085. [PMID: 37379938 DOI: 10.1016/j.scitotenv.2023.165085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/21/2023] [Accepted: 06/21/2023] [Indexed: 06/30/2023]
Abstract
Land transformation, including urbanization, is a dominant form of anthropogenic change to the global environment at the dawn of the Anthropocene epoch. More and more species are brought into direct contact with humans, being either required to develop broad-scale adaptations to urban environment or filtered out from urbanized areas. While behavioural or physiological adaptations are at the forefront of urban biology research, there is accumulating evidence for divergent pathogen pressure across urbanization gradients, requiring adjustments in host immune function. At the same time, host immunity may be constrained by unfavourable components of an urban environment, such as poor-quality food resources, disturbance, or pollution. Here, I reviewed existing evidence for adaptations and constrains in the immune system of urban animals, focusing on the recent implementation of metabarcoding, genomic, transcriptomic, and epigenomic approaches in urban biology research. I show that spatial variation in pathogen pressure across urban and non-urban landscapes is highly complex and may be context-dependent, but there is solid evidence for pathogen-driven immunostimulation in urban-dwelling animals. I also show that genes coding for molecules directly involved in interactions with pathogens are the prime candidates for immunogenetic adaptations to urban life. Evidence emerging from landscape genomics and transcriptomics show that immune adaptations to urban life may have a polygenic nature, but immune traits may not be among the key biological functions experiencing broad-scale microevolutionary changes in response to urbanization. Finally, I provided recommendations for future research, including i) a better integration of different 'omic' approaches to obtain a more complete picture of immune adaptations to urban life in non-model animal taxa, ii) quantification of fitness landscapes for immune phenotypes and genotypes across urbanization gradient, and iii) much broader taxonomic coverage (including invertebrates) necessary to draw more robust conclusions on how general (or taxa-specific) are immune responses of animals to urbanization.
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Affiliation(s)
- Piotr Minias
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland.
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Noni V, Tan CS. Prevalence of haemosporidia in Asian Glossy Starling with discovery of misbinding of Haemoproteus-specific primer to Plasmodium genera in Sarawak, Malaysian Borneo. BMC Vet Res 2023; 19:66. [PMID: 37081458 PMCID: PMC10116663 DOI: 10.1186/s12917-023-03619-y] [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: 11/03/2022] [Accepted: 04/13/2023] [Indexed: 04/22/2023] Open
Abstract
BACKGROUND Plasmodium, Haemoproteus and Leucocytozoon are three mainly studied blood parasites known to cause malarial and pseudomalarial infections in avian worldwide. Although Sarawak is a biodiversity hotspot, molecular data on blood parasite diversity in birds are absent. The objective of the study is to determine the prevalence of blood parasite in Asian Glossy Starlings (AGS), an urban bird with high population density in Sarawak and to elucidate the phylogenetic relationship with other blood parasite. METHODS Twenty-nine carcasses of juvenile AGS that were succumbed to death due to window collision were collected around the vicinity of Universiti Malaysia Sarawak. Nested-multiplex and nested PCR targeting the Cytochrome B gene were used to detect Plasmodium and Haemoproteus, and Leucocytozoon respectively. Two primer sets were used for Haemoproteus detection to increase detection sensitivity, with one being a genus-specific primer. RESULTS Fourteen samples (prevalence rate: 48.28%) were found positive for avian Plasmodium. Phylogenetic analysis divided our sequences into five lineages, pFANTAIL01, pCOLL4, pACCBAD01, pALPSIS01 and pALPSIS02, with two lineages being novel. No Haemoproteus and Leucocytozoon was found in this study. However, Haemoproteus-specific primer used amplified our Plasmodium samples, making the primer non-specific to Haemoproteus only. CONCLUSION This is the first blood parasite detection study on AGS using carcasses and blood clot as sample source in Sarawak. Due to the scarcity of longer sequences from regions with high genetic plasticity, usage of genus-specific primers should be validated with sequencing to ensure correct prevalence interpretation.
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Affiliation(s)
- Vaenessa Noni
- Center for Tropical and Emerging Diseases, Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia
| | - Cheng Siang Tan
- Center for Tropical and Emerging Diseases, Faculty of Medicine and Health Sciences, Universiti Malaysia Sarawak, 94300, Kota Samarahan, Sarawak, Malaysia.
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Jiménez-Peñuela J, Ferraguti M, la Puente JMD, Soriguer RC, Figuerola J, Isaksson C. Differences in fatty acids composition between Plasmodium infected and uninfected house sparrows along an urbanization gradient. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 815:152664. [PMID: 34998746 DOI: 10.1016/j.scitotenv.2021.152664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 12/20/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
Anthropogenic activities such as intensification of agriculture, animal husbandry and expansion of cities can negatively impact wildlife through its influence on the availability of high-quality food resources and pathogen transmission. The house sparrow (Passer domesticus), an urban exploiter, is undergoing a population decline. Nutritional constrains and infectious diseases has been highlighted as potential causes. Fatty acids (FAs) play an important role in modulating certain immune responses needed to combat parasite infections. FAs are highly influenced by dietary availability and have been shown to vary between urban and rural birds. Habitat anthropization also affects avian malaria epidemiology but little attention has been given to the relationship between blood parasite infection, host FAs composition and anthropization. Here, we analysed 165 juvenile birds either infected by Plasmodium or uninfected, captured at 15 localities grouped in triplets containing urban, rural and natural habitats. The total level of FAs was higher in birds from urban than from rural habitats, suggesting a greater availability of fat-rich foods sources. Furthermore, Plasmodium infected birds had higher relative levels of ω-3 polyunsaturated fatty acids (PUFAs) but lower of ω-6 PUFAs than uninfected birds. In concordance, the ω-6/ω-3 ratio was also lower in infected than in uninfected birds, but only from natural habitats, likely driven by the slightly higher ω-3 PUFAs in infected birds from natural habitats. Birds from anthropized environments may metabolize the ω-3 PUFAs to promote anti-inflammatory responses against stressors, which would result in lower ω-3 affecting their response against Plasmodium. Alternatively, lower ω-6 PUFAs may influence birds susceptibility to infection due to a weaker pro-inflammatory response. These descriptive results do not allow us to identify the causality of these associations but highlight the need to further investigate the relevance of FAs for birds to fight infectious diseases in habitats with different degree of urbanization.
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Affiliation(s)
| | - Martina Ferraguti
- Department of Theoretical and Computational Ecology (TCE), Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, Science Park 904, Amsterdam 1098XH, the Netherlands.
| | - Josué Martínez-de la Puente
- Department of Parasitology, University of Granada, Granada E-18071, Spain; CIBER of Epidemiology and Public Health (CIBERESP), Spain.
| | - Ramón C Soriguer
- Estación Biológica de Doñana (EBD-CSIC), Seville E-41092, Spain; CIBER of Epidemiology and Public Health (CIBERESP), Spain.
| | - Jordi Figuerola
- Estación Biológica de Doñana (EBD-CSIC), Seville E-41092, Spain; CIBER of Epidemiology and Public Health (CIBERESP), Spain.
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