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Harrison TA, Goto R, Li J, Ó Foighil D. Within-host adaptive speciation of commensal yoyo clams leads to ecological exclusion, not co-existence. PeerJ 2024; 12:e17753. [PMID: 39119103 PMCID: PMC11308998 DOI: 10.7717/peerj.17753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Accepted: 06/25/2024] [Indexed: 08/10/2024] Open
Abstract
Symbionts dominate planetary diversity and three primary symbiont diversification processes have been proposed: co-speciation with hosts, speciation by host-switching, and within-host speciation. The last mechanism is prevalent among members of an extraordinary marine symbiosis in the Indian River Lagoon, Florida, composed of a host mantis shrimp, Lysiosquilla scabricauda, and seven host-specific commensal vasconielline "yoyo" clams (Galeommatoidea) that collectively occupy two distinct niches: burrow-wall-attached, and host-attached/ectocommensal. This within-host symbiont radiation provides a natural experiment to test how symbiont coexistence patterns are regulated in a common ancestral habitat. The competitive exclusion principle predicts that sister taxa produced by adaptive speciation (with distinct morphologies and within-burrow niches) are most likely to coexist whereas the neutral theory predicts no difference among adaptive and non-adaptive sister taxa co-occurrence. To test these predictions, we engaged in (1) field-censusing commensal species assemblages; (2) trophic niche analyses; (3) laboratory behavioral observations. Although predicted by both models, the field census found no mixed-niche commensal assemblages: multi-species burrows were exclusively composed of burrow-wall commensals. Their co-occurrence matched random assembly process expectations, but presence of the single ectocommensal species had a highly significant negative effect on recruitment of all burrow-wall commensal species (P < 0.001), including on its burrow-wall commensal sister species (P < 0.001). Our stable isotope data indicated that commensals are suspension feeders and that co-occurring burrow-wall commensals may exhibit trophic niche differentiation. The artificial burrow behavioral experiment yielded no evidence of spatial segregation among burrow-wall commensals, and it was terminated by a sudden breakdown of the host-commensal relationship resulting in a mass mortality of all commensals unattached to the host. This study system appears to contain two distinct, superimposed patterns of commensal distribution: (1) all burrow-wall commensal species; (2) the ectocommensal species. Burrow-wall commensals (the plesiomorphic condition) broadly adhere to neutral theory expectations of species assembly but the adaptive evolution of ectocommensalism has apparently led to ecological exclusion rather than coexistence, an inverse outcome of theoretical expectations. The ecological factors regulating the observed burrow-wall/ectocommensal exclusion are currently obscure but potentially include differential recruitment to host burrows and/or differential survival in "mixed" burrow assemblages, the latter potentially due to changes in host predatory behavior. Resampling host burrows during commensal recruitment peak periods and tracking burrow-wall commensal survival in host burrows with and without added ectocommensals could resolve this outstanding issue.
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Affiliation(s)
- Teal A. Harrison
- Department of Ecology and Evolutionary Biology and Museum of Zoology, University of Michigan, Ann Arbor, MI, United States of America
| | - Ryutaro Goto
- Seto Marine Biological Laboratory, Field Science Education and Research Center, Kyoto University, Shirahama, Wakayama, Japan
| | - Jingchun Li
- Department of Ecology and Evolutionary Biology and Museum of Natural History, University of Colorado, Boulder, CO, United States of America
| | - Diarmaid Ó Foighil
- Department of Ecology and Evolutionary Biology and Museum of Zoology, University of Michigan, Ann Arbor, MI, United States of America
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2
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La Chapelle M, Ruta M, Dunn JC. Bird species with wider geographical ranges have higher blood parasite diversity but not prevalence across the African-Eurasian flyway. Int J Parasitol 2023; 53:787-796. [PMID: 37467874 DOI: 10.1016/j.ijpara.2023.06.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 05/25/2023] [Accepted: 06/06/2023] [Indexed: 07/21/2023]
Abstract
Avian blood parasites, from the genera Plasmodium, Haemoproteus and Leucocytozoon, are predicted to alter their range and prevalence as global temperatures change, and host and vector ranges shift. Understanding large-scale patterns in the prevalence and diversity of avian malaria and malaria-like parasites is important due to an incomplete understanding of their effects in the wild, where studies suggest even light parasitaemia can potentially cause rapid mortality, especially in naïve populations. We conducted phylogenetically controlled analyses to test for differences in prevalence and lineage diversity of haemoparasite infection (for Plasmodium, Haemoproteus and Leucocytozoon) in and between resident and migratory species along the African-Eurasian flyway. To test whether migratory strategy or range size drives differences in parasite prevalence and diversity between resident and migrant species, we included three categories of resident species: Eurasian only (n = 36 species), African only (n = 41), and species resident on both continents (n = 17), alongside intercontinental migrants (n = 64), using a subset of data from the MalAvi database comprising 27,861 individual birds. We found that species resident on both continents had a higher overall parasite diversity than all other categories. Eurasian residents had lower Plasmodium diversity than all other groups, and both migrants and species resident on both continents had higher Haemoproteus diversity than both African and Eurasian residents. Leucocytozoon diversity did not differ between groups. Prevalence patterns were less clear, with marked differences between genera. Both Plasmodium and Leucocytozoon prevalence was higher in species resident on both continents and African residents than in migrants and Eurasian residents. Haemoproteus prevalence was lower in Eurasian residents than species resident on both continents. Our findings contrast with previous findings in the North-South American flyway, where long-distance migrants had higher parasite diversity than residents and short-distance migrants, although we found contrasting patterns for parasite diversity to those seen for parasite prevalence. Crucially, our results suggest that geographic range may be more important than migratory strategy in driving parasite diversity within species along the African-Palaearctic flyway. Our findings differ between the three parasite genera included in our analysis, suggesting that vector ecology may be important in determining these large-scale patterns. Our results add to our understanding of global patterns in parasite diversity and abundance, and highlight the need to better understand the influence of vector ecology to understand the drivers of infection risk and predict responses to environmental change.
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Affiliation(s)
- Mary La Chapelle
- School of Life and Environmental Sciences, University of Lincoln, Joseph Banks Laboratories, Green Lane, Lincoln LN6 7DL, UK
| | - Marcello Ruta
- School of Life and Environmental Sciences, University of Lincoln, Joseph Banks Laboratories, Green Lane, Lincoln LN6 7DL, UK
| | - Jenny C Dunn
- School of Life and Environmental Sciences, University of Lincoln, Joseph Banks Laboratories, Green Lane, Lincoln LN6 7DL, UK.
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3
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Martinez V, Keith KD, Grace JK, Voelker G. Avian haemosporidians of breeding birds in the Davis Mountains sky-islands of west Texas, USA. Parasitology 2023; 150:1266-1276. [PMID: 38072659 PMCID: PMC10941211 DOI: 10.1017/s0031182023001087] [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: 08/04/2023] [Revised: 11/02/2023] [Accepted: 11/06/2023] [Indexed: 02/06/2024]
Abstract
Avian haemosporidians are protozoan parasites transmitted by insect vectors that infect birds worldwide, negatively impacting avian fitness and survival. However, the majority of haemosporidian diversity remains undescribed. Quantifying this diversity is critical to determining parasite–host relationships and host-switching potentials of parasite lineages as climate change induces both host and vector range shifts. In this study, we conducted a community survey of avian haemosporidians found in breeding birds on the Davis Mountains sky islands in west Texas, USA. We determined parasite abundance and host associations and compared our results to data from nearby regions. A total of 265 birds were screened and infections were detected in 108 birds (40.8%). Most positive infections were identified as Haemoproteus (36.2%), followed by Plasmodium (6.8%) and Leucocytozoon (0.8%). A total of 71 haemosporidian lineages were detected of which 39 were previously undescribed. We found that regional similarity influenced shared lineages, as a higher number of lineages were shared with avian communities in the sky islands of New Mexico compared to south Texas, the Texas Gulf Coast and central Mexico. We found that migratory status of avian host did not influence parasite prevalence, but that host phylogeny is likely an important driver.
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Affiliation(s)
- Viridiana Martinez
- Department of Ecology and Conservation Biology, Texas A&M University, College Station, TX, USA
| | - Katrina D Keith
- Department of Ecology and Conservation Biology, Texas A&M University, College Station, TX, USA
| | - Jacquelyn K Grace
- Department of Ecology and Conservation Biology, Texas A&M University, College Station, TX, USA
| | - Gary Voelker
- Department of Ecology and Conservation Biology, Texas A&M University, College Station, TX, USA
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4
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Woodrow C, Rosca AT, Fletcher R, Hone A, Ruta M, Hamer KC, Dunn JC. Haemoproteus parasites and passerines: the effect of local generalists on inferences of host-parasite co-phylogeny in the British Isles. Parasitology 2023; 150:1307-1315. [PMID: 37395052 PMCID: PMC10941225 DOI: 10.1017/s0031182023000628] [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: 07/09/2021] [Revised: 06/15/2023] [Accepted: 06/26/2023] [Indexed: 07/04/2023]
Abstract
Host–parasite associations provide a benchmark for investigating evolutionary arms races and antagonistic coevolution. However, potential ecological mechanisms underlying such associations are difficult to unravel. In particular, local adaptations of hosts and/or parasites may hamper reliable inferences of host–parasite relationships and the specialist–generalist definitions of parasite lineages, making it problematic to understand such relationships on a global scale. Phylogenetic methods were used to investigate co-phylogenetic patterns between vector-borne parasites of the genus Haemoproteus and their passeriform hosts, to infer the ecological interactions of parasites and hosts that may have driven the evolution of both groups in a local geographic domain. As several Haemoproteus lineages were only detected once, and given the occurrence of a single extreme generalist, the effect of removing individual lineages on the co-phylogeny pattern was tested. When all lineages were included, and when all singly detected lineages were removed, there was no convincing evidence for host–parasite co-phylogeny. However, when only the generalist lineage was removed, strong support for co-phylogeny was indicated, and ecological interactions could be successfully inferred. This study exemplifies the importance of identifying locally abundant lineages when sampling host–parasite systems, to provide reliable insights into the precise mechanisms underlying host–parasite interactions.
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Affiliation(s)
- Charlie Woodrow
- Joseph Banks Laboratories, School of Life Sciences, University of Lincoln, Green Lane, Lincoln LN6 7DL, UK
| | - Adina Teodora Rosca
- Joseph Banks Laboratories, School of Life Sciences, University of Lincoln, Green Lane, Lincoln LN6 7DL, UK
| | - Rachel Fletcher
- Joseph Banks Laboratories, School of Life Sciences, University of Lincoln, Green Lane, Lincoln LN6 7DL, UK
| | - Abigail Hone
- Joseph Banks Laboratories, School of Life Sciences, University of Lincoln, Green Lane, Lincoln LN6 7DL, UK
| | - Marcello Ruta
- Joseph Banks Laboratories, School of Life Sciences, University of Lincoln, Green Lane, Lincoln LN6 7DL, UK
| | - Keith C Hamer
- School of Biology, University of Leeds, Clarendon Way, Leeds LS2 9JT, UK
| | - Jenny Claire Dunn
- Joseph Banks Laboratories, School of Life Sciences, University of Lincoln, Green Lane, Lincoln LN6 7DL, UK
- School of Biology, University of Leeds, Clarendon Way, Leeds LS2 9JT, UK
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5
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Anjos CC, Bicudo T, Fecchio A, Anciães M, Mathias BS, Chagas CRF, Bell JA, Guimarães LO, Monteiro EF, Kirchgatter K. Prevalence and genetic diversity of avian haemosporidian parasites in islands within a mega hydroelectric dam in the Brazilian Amazon. Parasitol Res 2023; 122:2065-2077. [PMID: 37391644 DOI: 10.1007/s00436-023-07906-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 06/19/2023] [Indexed: 07/02/2023]
Abstract
The Brazilian Amazon supports an extremely diverse avifauna and serves as the diversification center for avian malaria parasites in South America. Construction of hydroelectric dams can drive biodiversity loss by creating islands incapable of sustaining the bird communities found in intact forest sites. Besides anthropogenic actions, the presence of parasites can also influence the dynamics and structure of bird communities. Avian malaria (Plasmodium) and related haemosporidian parasites (Haemoproteus and Leucocytozoon) are a globally distributed group of protozoan parasites recovered from all major bird groups. However, no study to date has analyzed the presence of avian haemosporidian parasites in fragmented areas such as land bridge islands formed during artificial flooding following the construction of hydroelectric dams. The aim of this study is to assess the prevalence and molecular diversity of haemosporidians in bird communities inhabiting artificial islands in the area of the Balbina Hydroelectric Dam. The reservoir area covers 443,700 ha with 3546 islands on the left bank of the Uatumã River known to contain more than 400 bird species. We surveyed haemosporidian infections in blood samples collected from 445 understory birds, belonging to 53 species, 24 families, and 8 orders. Passeriformes represented 95.5% of all analyzed samples. We found a low overall Plasmodium prevalence (2.9%), with 13 positive samples (two Plasmodium elongatum and 11 Plasmodium sp.) belonging to eight lineages. Six of these lineages were previously recorded in the Amazon, whereas two of them are new. Hypocnemis cantator, the Guianan Warbling Antbird, represented 38.5% of all infected individuals, even though it represents only 5.6% of the sampled individuals. Since comparison with Plasmodium prevalence data prior to construction of Balbina is not possible, other studies in artificially flooded areas are imperative to test if anthropogenic flooding may disrupt vector-parasite relationships leading to low Plasmodium prevalence.
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Affiliation(s)
- Carolina C Anjos
- Programa de Pós-Graduação em Medicina Tropical, Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, 05403-000, Brazil
| | - Thiago Bicudo
- Instituto de Desenvolvimento Sustentável Mamirauá, Tefé, AM, 69553-225, Brazil
| | - Alan Fecchio
- Centro de Investigación Esquel de Montaña y Estepa Patagónica (CIEMEP), CONICET - Universidad Nacional de la Patagonia San Juan Bosco, Esquel, Chubut, Argentina
| | - Marina Anciães
- Instituto Nacional de Pesquisas da Amazônia, Coordenação de Biodiversidade, Manaus, AM, 69081-000, Brazil
| | - Bruno S Mathias
- Programa de Pós-Graduação em Medicina Tropical, Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, 05403-000, Brazil
| | | | - Jeffrey A Bell
- Department of Biology, University of North Dakota, 10 Cornell Street, Grand Forks, ND, 58202, USA
| | - Lilian O Guimarães
- Laboratório de Bioquímica e Biologia Molecular, Instituto Pasteur, São Paulo, SP, 01027-000, Brazil
| | - Eliana F Monteiro
- Laboratório de Bioquímica e Biologia Molecular, Instituto Pasteur, São Paulo, SP, 01027-000, Brazil
| | - Karin Kirchgatter
- Programa de Pós-Graduação em Medicina Tropical, Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, 05403-000, Brazil.
- Laboratório de Bioquímica e Biologia Molecular, Instituto Pasteur, São Paulo, SP, 01027-000, Brazil.
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Lynton‐Jenkins JG, Chaine AS, Russell AF, Bonneaud C. Parasite detection and quantification in avian blood is dependent on storage medium and duration. Ecol Evol 2023; 13:e9819. [PMID: 36789332 PMCID: PMC9911630 DOI: 10.1002/ece3.9819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/18/2023] [Accepted: 01/23/2023] [Indexed: 02/12/2023] Open
Abstract
Studies of parasites in wild animal populations often rely on molecular methods to both detect and quantify infections. However, method accuracy is likely to be influenced by the sampling approach taken prior to nucleic acid extraction. Avian Haemosporidia are studied primarily through the screening of host blood, and a range of storage mediums are available for the short- to long-term preservation of samples. Previous research has suggested that storage medium choice may impact the accuracy of PCR-based parasite detection, however, this relationship has never been explicitly tested and may be exacerbated by the duration of sample storage. These considerations could also be especially critical for sensitive molecular methods used to quantify infection (qPCR). To test the effect of storage medium and duration on Plasmodium detection and quantification, we split blood samples collected from wild birds across three medium types (filter paper, Queen's lysis buffer, and 96% ethanol) and carried out DNA extractions at five time points (1, 6, 12, 24, and 36 months post-sampling). First, we found variation in DNA yield obtained from blood samples dependent on their storage medium which had subsequent negative impacts on both detection and estimates of Plasmodium copy number. Second, we found that detection accuracy (incidence of true positives) was highest for filter-paper-stored samples (97%), while accuracy for ethanol and Queen's lysis buffer-stored samples was influenced by either storage duration or extraction yield, respectively. Lastly, longer storage durations were associated with decreased copy number estimates across all storage mediums; equating to a 58% reduction between the first- and third-year post-sampling for lysis-stored samples. These results raise questions regarding the utility of standardizing samples by dilution, while also illustrating the critical importance of considering storage approaches in studies of Haemosporidia comparing samples subjected to different storage regimes and/or stored for varying lengths of time.
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Affiliation(s)
| | - Alexis S. Chaine
- Station for Theoretical and Experimental EcologyCNRSMoulisFrance
- Institute for Advanced Studies in ToulouseToulouseFrance
| | - Andrew F. Russell
- Centre for Ecology and ConservationUniversity of ExeterPenrynUK
- Station for Theoretical and Experimental EcologyCNRSMoulisFrance
| | - Camille Bonneaud
- Centre for Ecology and ConservationUniversity of ExeterPenrynUK
- Station for Theoretical and Experimental EcologyCNRSMoulisFrance
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7
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Nourani L, Aliabadian M, Mirshamsi O, Dinparast Djadid N. Prevalence of co-infection and genetic diversity of avian haemosporidian parasites in two rehabilitation facilities in Iran: implications for the conservation of captive raptors. BMC Ecol Evol 2022; 22:114. [PMID: 36209068 PMCID: PMC9547439 DOI: 10.1186/s12862-022-02068-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 09/23/2022] [Indexed: 11/06/2022] Open
Abstract
Background Various haemosporidian parasites infect raptors, especially captive hosts who may be more exposed. Diagnosis of threatening factors such as infectious diseases indirectly has a significant role in protecting endangered or threatened species that may boost the mortality or extinction resulting from declined reproduction. Few investigations have been performed in captive hosts to detect the prevalence of haemosporidian parasites and define genetic diversity in west Asia. For the first time, the current study was designed to determine the prevalence and genetic diversity of haemosporidian parasites in captive raptors by molecular methods in two rehabilitation facilities in North and North-east Iran and to define phylogenetic relationships of detected lineages circulating in raptors. Results Molecular characterization of the haemosporidian parasite was accomplished by PCR-based method and DNA sequencing in 62 captive raptors. The overall prevalence was ~ 36% with higher infection of Haemoproteus spp. than Leucocytozoon spp. Plasmodium infection was not detected in any host. Results showed that 22 individuals (of 10 species) were infected with unique lineages. Genus Haemoproteus was detected in 26.66% of examined individuals (of eight species) and Leucocytozoon was found in 10% of individuals (of four species). The molecular analysis could detect ten lineages (nine Haemoproteus spp. and one Leucocytozoon spp.) which were categorizes as new and six lineages which have been previously detected in the other investigations. Conclusions The Bayesian phylogenetic analysis derived from obtained data in the present study and published lineages in previous investigations indicated the probable host specificity of Haemoproteus and Leucocytozoon parasites in several sub-clades at hosts’ order and genus level. As monitoring the parasite loads of captive birds when admitted reduce the risk of infecting hosts in captivity at those locations, we designed this study to determine infection prevalence and genetic diversity of blood parasites in raptors examined in Iran. These results allow mapping of haemosporidian distribution and shed light on the depth of their diversity in Iran to protect species by identification of risk in rehabilitation facilities. Supplementary Information The online version contains supplementary material available at 10.1186/s12862-022-02068-9.
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Affiliation(s)
- Leila Nourani
- grid.420169.80000 0000 9562 2611Malaria and Vector Research Group (MVRG), Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran ,grid.411301.60000 0001 0666 1211Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Mansour Aliabadian
- grid.411301.60000 0001 0666 1211Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran ,grid.411301.60000 0001 0666 1211Research Department of Zoological Innovations (RDZI), Institute of Applied Zoology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Omid Mirshamsi
- grid.411301.60000 0001 0666 1211Department of Biology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran ,grid.411301.60000 0001 0666 1211Research Department of Zoological Innovations (RDZI), Institute of Applied Zoology, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Navid Dinparast Djadid
- grid.420169.80000 0000 9562 2611Malaria and Vector Research Group (MVRG), Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran
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Włodarczyk R, Bouwhuis S, Bichet C, Podlaszczuk P, Chyb A, Indykiewicz P, Dulisz B, Betleja J, Janiszewski T, Minias P. Contrasting haemoparasite prevalence in larid species with divergent ecological niches and migration patterns. Parasitology 2022; 149:1479-1486. [PMID: 35768413 PMCID: PMC11010501 DOI: 10.1017/s0031182022000920] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 05/27/2022] [Accepted: 06/22/2022] [Indexed: 11/07/2022]
Abstract
Haemoparasites represent a diverse group of vector-borne parasites that infect a wide range of vertebrate hosts. In birds, haemoparasite infection rates may be associated with various ecological and life history traits, including habitat choice, colony size and migration distance. Here, we molecularly assessed the prevalence of 3 main haemoparasite genera (Plasmodium, Haemoproteus and Leucocytozoon) in 2 bird species with different habitat preferences and migratory behaviour: black-headed gulls (Chroicocephalus ridibundus) and common terns (Sterna hirundo). We found that gulls showed a much higher prevalence and diversity of Plasmodium or Haemoproteus (ca. 60% of individuals infected) than terns (zero prevalence). The prevalence of Leucocytozoon was low in both species (<3%). The differences in haemoparasite prevalences may be primarily driven by varying vector encounter rate resulting from different habitat preferences, as black-headed gulls mainly use vector-rich vegetated freshwater habitats, whereas common terns often use vector-poor coastal and brackish habitats. Since common terns migrate further than black-headed gulls, our results did not provide support for an association between haemoparasite prevalence and migratory distance. In gulls, we found a negative association between colony size and infection rates, suggestive of an ideal despotic distribution, and phylogenetic analyses of detected haemoparasite lineages provided evidence for higher host specificity in Haemoproteus than Plasmodium. Our results suggest that the preference for coastal areas and less vegetated habitats in terns may reduce haemoparasite infection rates compared to other larids, regardless of their migratory distance, emphasizing the role of ecological niches in parasite exposure.
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Affiliation(s)
- Radosław Włodarczyk
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland
| | | | - Coraline Bichet
- Centre d'Etudes Biologiques de Chizé, UMR 7372, CNRS-La Rochelle Université, Villiers-en-Bois, France
| | - Patrycja Podlaszczuk
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland
| | - Amelia Chyb
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland
| | - Piotr Indykiewicz
- Department of Biology and Animal Environment, Faculty of Animal Breeding and Biology, Bydgoszcz University of Science and Technology, Mazowiecka 28, 85-084 Bydgoszcz, Poland
| | - Beata Dulisz
- Department of Ecology and Environmental Protection, Faculty of Biology and Biotechnology, University of Warmia and Mazury in Olsztyn, Plac Łódzki 3, 10-727 Olsztyn, Poland
| | - Jacek Betleja
- Department of Natural History, Upper Silesian Museum, Plac Jana III Sobieskiego 2, 41-902 Bytom, Poland
| | - Tomasz Janiszewski
- Department of Biodiversity Studies and Bioeducation, Faculty of Biology and Environmental Protection, University of Łódź, Banacha 1/3, 90-237 Łódź, Poland
| | - 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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Ebbs ET, Loker ES, Bu L, Locke SA, Tkach VV, Devkota R, Flores VR, Pinto HA, Brant SV. Phylogenomics and Diversification of the Schistosomatidae Based on Targeted Sequence Capture of Ultra-Conserved Elements. Pathogens 2022; 11:769. [PMID: 35890014 PMCID: PMC9321907 DOI: 10.3390/pathogens11070769] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 06/20/2022] [Accepted: 06/27/2022] [Indexed: 01/27/2023] Open
Abstract
Schistosomatidae Stiles and Hassall 1898 is a medically significant family of digenetic trematodes (Trematoda: Digenea), members of which infect mammals or birds as definitive hosts and aquatic or amphibious gastropods as intermediate hosts. Currently, there are 17 named genera, for many of which evolutionary interrelationships remain unresolved. The lack of a resolved phylogeny has encumbered our understanding of schistosomatid evolution, specifically patterns of host-use and the role of host-switching in diversification. Here, we used targeted sequence capture of ultra-conserved elements (UCEs) from representatives of 13 of the 17 named genera and 11 undescribed lineages that are presumed to represent either novel genera or species to generate a phylogenomic dataset for the estimation of schistosomatid interrelationships. This study represents the largest phylogenetic effort within the Schistosomatidae in both the number of loci and breadth of taxon sampling. We present a near-comprehensive family-level phylogeny providing resolution to several clades of long-standing uncertainty within Schistosomatidae, including resolution for the placement of the North American mammalian schistosomes, implying a second separate capture of mammalian hosts. Additionally, we present evidence for the placement of Macrobilharzia at the base of the Schistosoma + Bivitellobilharzia radiation. Patterns of definitive and intermediate host use and a strong role for intermediate host-switching are discussed relative to schistosomatid diversification.
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Affiliation(s)
- Erika T. Ebbs
- Department of Biology, Purchase College, The State University of New York, Purchase, NY 10577, USA
| | - Eric S. Loker
- Center for Evolutionary and Theoretical Immunology, Department of Biology, Museum of Southwestern Biology Parasite Division, University of New Mexico, Albuquerque, NM 87131, USA; (E.S.L.); (L.B.); (S.V.B.)
| | - Lijing Bu
- Center for Evolutionary and Theoretical Immunology, Department of Biology, Museum of Southwestern Biology Parasite Division, University of New Mexico, Albuquerque, NM 87131, USA; (E.S.L.); (L.B.); (S.V.B.)
| | - Sean A. Locke
- Department of Biology, University of Puerto Rico at Mayagüez, Box 9000, Mayagüez 00681-9000, Puerto Rico;
| | - Vasyl V. Tkach
- Grand Forks Department of Biology, University of North Dakota, Grand Forks, ND 58202, USA;
| | - Ramesh Devkota
- Vance Granville Community College, Henderson, NC 27536, USA;
| | - Veronica R. Flores
- Laboratorio de Parasitología, INIBIOMA (CONICET-Universidad Nacional del Comahue), Quintral 1250, San Carlos de Bariloche 8400, Argentina;
| | - Hudson A. Pinto
- Department of Parasitology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, Brazil;
| | - Sara V. Brant
- Center for Evolutionary and Theoretical Immunology, Department of Biology, Museum of Southwestern Biology Parasite Division, University of New Mexico, Albuquerque, NM 87131, USA; (E.S.L.); (L.B.); (S.V.B.)
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10
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De La Torre GM, Fecchio A, Bell JA, Campião KM. Host evolutionary history rather than avian functional traits drives the
Plasmodium
regional assembly in the Atlantic Forest. Funct Ecol 2022. [DOI: 10.1111/1365-2435.14090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gabriel M. De La Torre
- Programa de Pós‐Graduação em Ecologia e Conservação, Universidade Federal do Paraná Curitiba Brazil
- Laboratório de Interações Biológicas, Universidade Federal do Paraná Curitiba Brazil
| | - Alan Fecchio
- Programa de Pós‐graduação em Ecologia e Conservação da Biodiversidade, Universidade Federal de Mato Grosso Cuiabá Brazil
| | - Jeffrey A. Bell
- Department of Biology University of North Dakota Grand Forks North Dakota U.S.A
| | - Karla M. Campião
- Laboratório de Interações Biológicas, Universidade Federal do Paraná Curitiba Brazil
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11
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de Angeli Dutra D, Fecchio A, Braga ÉM, Poulin R. Migratory behaviour does not alter cophylogenetic congruence between avian hosts and their haemosporidian parasites. Parasitology 2022; 149:1-8. [PMID: 35393002 PMCID: PMC10090587 DOI: 10.1017/s0031182022000154] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 01/27/2022] [Accepted: 02/04/2022] [Indexed: 11/07/2022]
Abstract
Parasites display various degrees of host specificity, reflecting different coevolutionary histories with their hosts. Avian hosts follow multiple migration patterns representing short but also long distances. As parasites infecting migratory birds are subjected to multiple environmental and biotic changes through their flyways, migration may disrupt or strengthen cophylogenetic congruence between hosts and parasites. On the one hand, parasites might adapt to a single migratory host, evolving to cope with the specific challenges associated with the multiple habitats occupied by the host. On the other, as migrants can introduce parasites into new habitats, higher rates of host switching could also disrupt cophylogenetic patterns. We analysed whether migratory behaviour shapes avian haemosporidian parasite–host cophylogenetic congruence by testing if contributions of host–parasite links to overall congruence differ among resident and short-, variable- and long-distance migrants globally and within South America only. On both scales, we found significant overall cophylogenetic congruence by testing whether overall congruence differed between haemosporidian lineages and bird species. However, we found no difference in contribution towards congruence among links involving resident vs migratory hosts in both models. Thus, migratory behaviour neither weakens nor strengthens bird–haemosporidian cophylogenetic congruence, suggesting that other avian host traits are more influential in generating phylogenetic congruence in this host–parasite system.
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Affiliation(s)
| | - Alan Fecchio
- Programa de Pós-graduação em Ecologia e Conservação da Biodiversidade, Universidade Federal de Mato Grosso, Cuiabá, MT 78060-900, Brazil
| | - Érika Martins Braga
- Departamento de Parasitologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Robert Poulin
- Department of Zoology, University of Otago, Dunedin, New Zealand
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12
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Aželytė J, Platonova E, Bensch S, Hellgren O, Palinauskas V. A comparative analysis of the dynamics of Plasmodium relictum (GRW4) development in the blood during single and co-infections. Acta Trop 2022; 226:106247. [PMID: 34801479 DOI: 10.1016/j.actatropica.2021.106247] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 11/04/2021] [Accepted: 11/09/2021] [Indexed: 12/15/2022]
Abstract
Although co-infections and interactions of parasites are a very common phenomenon in the wild, information received from studies on avian Plasmodium spp. is scarce and fragmented due to its complex nature. Different interactions of parasites and domination of one parasite may have a detrimental effect on transmission success of another pathogen. Untangling these interactions and competitive behavior of malarial parasites may help understanding why some haemosporidian parasites are dominant in certain host species, while others are observed only occasionally. We investigated the development of Plasmodium relictum (genetic lineage GRW4) during single and co-infection with a closely related lineage SGS1, with the aim to determine whether co-infections affect parasite development and condition of experimentally infected Eurasian siskins (Spinus spinus). For the experimental study of these two closely related lineages, a new qPCR protocol was designed to accurately quantify the parasitemia, i.e. the amount of infected red blood cells, during the blood stages of each of the lineages. Our results show that during co-infection, GRW4 parasitemia was transient and disappeared from peripheral blood during acute increases of SGS1. Health parameters of infected birds did not differ between the GRW4 single infected group and the co-infection group. GRW4 induced infection was outcompeted and suppressed by the presence of the lineage SGS1, which is broadly transmitted in Northern Europe. This suggests that double infections and dominating lineages in the area may influence the transmission success of some avian Plasmodium parasites.
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13
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Diversity and phylogenetic relationships of haemosporidian and hemogregarine parasites in Australian lizards. Mol Phylogenet Evol 2021; 167:107358. [PMID: 34774764 DOI: 10.1016/j.ympev.2021.107358] [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: 05/13/2021] [Revised: 11/04/2021] [Accepted: 11/08/2021] [Indexed: 11/22/2022]
Abstract
Apicomplexa is a large monophyletic phylum of unicellular, parasitic organisms. Reptiles are hosts to both haemosporidian (Haemosporida) and hemogregarine (Eucoccidiorida) apicomplexan blood parasites. Within reptiles our understanding of their diversity remains limited, with a paucity of information from Australia, despite a high diversity of squamates (snakes and lizards). We provide a preliminary assessment of haemosporidian and hemogregarine diversity occurring in lizards across northern tropical Australia, building on existing data with results from a microscopy and genetic assessment. We screened total of 233 blood slides using microscopy and detected hemogregarines in 25 geckos, 2 skinks and 1 agamid, while haemosporidians were detected in 13 geckos. DNA sequencing of 28 samples of the hemogregarine 18S rRNA (∼900 bp) nuclear gene revealed five lineages of Australian lizard hemogregarines within heteroxenous adeleids. We sequenced 10 samples of Haemosporida mtDNA (cytb & coI: ∼1313 bp) and phylogenetic analysis with 30 previously published sequences revealed that the Australian Haemosporida grouped within the Haemoproteidae but were not supported as a monophyletic clade. Our results demonstrate that there is significant undocumented evolutionary diversity in Australian lizard haemosporidian and hemogregarine parasites, with preliminary evidence of significantly higher infection rates in geckos.
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14
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Contrasting drivers of diversity in hosts and parasites across the tropical Andes. Proc Natl Acad Sci U S A 2021; 118:2010714118. [PMID: 33731475 DOI: 10.1073/pnas.2010714118] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Geographic turnover in community composition is created and maintained by eco-evolutionary forces that limit the ranges of species. One such force may be antagonistic interactions among hosts and parasites, but its general importance is unknown. Understanding the processes that underpin turnover requires distinguishing the contributions of key abiotic and biotic drivers over a range of spatial and temporal scales. Here, we address these challenges using flexible, nonlinear models to identify the factors that underlie richness (alpha diversity) and turnover (beta diversity) patterns of interacting host and parasite communities in a global biodiversity hot spot. We sampled 18 communities in the Peruvian Andes, encompassing ∼1,350 bird species and ∼400 hemosporidian parasite lineages, and spanning broad ranges of elevation, climate, primary productivity, and species richness. Turnover in both parasite and host communities was most strongly predicted by variation in precipitation, but secondary predictors differed between parasites and hosts, and between contemporary and phylogenetic timescales. Host communities shaped parasite diversity patterns, but there was little evidence for reciprocal effects. The results for parasite communities contradicted the prevailing view that biotic interactions filter communities at local scales while environmental filtering and dispersal barriers shape regional communities. Rather, subtle differences in precipitation had strong, fine-scale effects on parasite turnover while host-community effects only manifested at broad scales. We used these models to map bird and parasite turnover onto the ecological gradients of the Andean landscape, illustrating beta-diversity hot spots and their mechanistic underpinnings.
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15
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Vecchioni L, Marrone F, Liuzzo M, Seglie D, Cavalcante R, Bazan G, Arizza V, Arculeo M. New molecular data attest to the absence of cospeciation patterns between Placobdella costata (Fr. Müller, 1846) (Hirudinea) and freshwater turtles (Emys spp.) in Italy. THE EUROPEAN ZOOLOGICAL JOURNAL 2021. [DOI: 10.1080/24750263.2021.1965233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- L. Vecchioni
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
| | - F. Marrone
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
| | - M. Liuzzo
- Dipartimento di Scienze Ambientali, Informatica e Statistica, Università Ca’ Foscari di Venezia, Campus Scientifico, Venezia, Italy
| | - D. Seglie
- Centro Emys Piemonte, Livorno Ferraris, Italia
| | | | - G. Bazan
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
| | - V. Arizza
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
| | - M. Arculeo
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Palermo, Italy
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16
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Jiménez-Peñuela J, Ferraguti M, Martínez-de la Puente J, Soriguer RC, Figuerola J. Urbanization effects on temporal variations of avian haemosporidian infections. ENVIRONMENTAL RESEARCH 2021; 199:111234. [PMID: 34019890 DOI: 10.1016/j.envres.2021.111234] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 04/23/2021] [Accepted: 04/24/2021] [Indexed: 05/05/2023]
Abstract
Urbanization is an important human-driven process that leads to biodiversity loss and alters the interactions between organisms, including disease transmission. Although urbanization affects both host and vector communities, the effects on vector-borne pathogens are still poorly understood. Here, we monitored variation in prevalence and richness of three common blood parasites in birds (Plasmodium, Haemoproteus and Leucocytozoon) from localities with different land uses (urban, rural and natural) during two consecutive years (2013 and 2014). Overall, 1400 juvenile house sparrows (Passer domesticus) from 15 localities in southern Spain were included in this study. Haemoproteus and Leucocytozoon prevalence was higher in 2013 than in 2014, particularly in urban and natural habitats for the case of Leucocytozoon. Prevalence was correlated between years for Haemoproteus and Leucocytozoon, independently of the habitat. Additionally, rural habitats harboured significantly higher Haemoproteus lineage richness compared to urban and natural habitats during 2014. Leucocytozoon lineage richness was negatively correlated between years in rural habitats but positively correlated in urban and natural habitats in comparison. Parasite lineages found in birds were homogeneously distributed along habitats and years and the common lineages prevalence were not influenced by them. Our results highlight different patterns of infection depending on the parasite genera probably related to the composition and density of vector communities. The specific reproductive environmental requirements of the different groups of vectors involved in the transmission may be affected by climatic conditions and landscape features.
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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-41092, 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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17
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Liang J, Zhu C, Zhang L. Cospeciation of coronavirus and paramyxovirus with their bat hosts in the same geographical areas. BMC Ecol Evol 2021; 21:148. [PMID: 34325659 PMCID: PMC8319908 DOI: 10.1186/s12862-021-01878-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 07/01/2021] [Indexed: 01/04/2023] Open
Abstract
Background Bat-borne viruses are relatively host specific. We hypothesize that this host specificity is due to coevolution of the viruses with their hosts. To test this hypothesis, we investigated the coevolution of coronavirus and paramyxovirus with their bat hosts. Published nucleotide sequences of the RNA-dependent RNA polymerase (RdRp) gene of 60 coronavirus strains identified from 37 bat species, the RNA polymerase large (L) gene of 36 paramyxovirus strains from 29 bat species, and the cytochrome B (cytB) gene of 35 bat species were analyzed for coevolution signals. Each coevolution signal detected was tested and verified by global-fit cophylogenic analysis using software ParaFit, PACo, and eMPRess. Results Significant coevolution signals were detected in coronaviruses and paramyxoviruses and their bat hosts, and closely related bat hosts were found to carry closely related viruses. Conclusions Our results suggest that paramyxovirus and coronavirus coevolve with their hosts.
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Affiliation(s)
- Jie Liang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou, 510260, China
| | - Chunchao Zhu
- Zunyi Medical University, Zhuhai Campus, Zhuhai, 519041, China
| | - Libiao Zhang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Institute of Zoology, Guangdong Academy of Sciences, Guangzhou, 510260, China.
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18
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Ferraguti M, Martínez-de la Puente J, Figuerola J. Ecological Effects on the Dynamics of West Nile Virus and Avian Plasmodium: The Importance of Mosquito Communities and Landscape. Viruses 2021; 13:v13071208. [PMID: 34201673 PMCID: PMC8310121 DOI: 10.3390/v13071208] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/16/2021] [Accepted: 06/21/2021] [Indexed: 01/30/2023] Open
Abstract
Humans and wildlife are at risk from certain vector-borne diseases such as malaria, dengue, and West Nile and yellow fevers. Factors linked to global change, including habitat alteration, land-use intensification, the spread of alien species, and climate change, are operating on a global scale and affect both the incidence and distribution of many vector-borne diseases. Hence, understanding the drivers that regulate the transmission of pathogens in the wild is of great importance for ecological, evolutionary, health, and economic reasons. In this literature review, we discuss the ecological factors potentially affecting the transmission of two mosquito-borne pathogens circulating naturally between birds and mosquitoes, namely, West Nile virus (WNV) and the avian malaria parasites of the genus Plasmodium. Traditionally, the study of pathogen transmission has focused only on vectors or hosts and the interactions between them, while the role of landscape has largely been ignored. However, from an ecological point of view, it is essential not only to study the interaction between each of these organisms but also to understand the environmental scenarios in which these processes take place. We describe here some of the similarities and differences in the transmission of these two pathogens and how research into both systems may facilitate a greater understanding of the dynamics of vector-borne pathogens in the wild.
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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, 1098XH Amsterdam, The Netherlands
- Correspondence: (M.F.); (J.M.-d.l.P.)
| | - Josué Martínez-de la Puente
- Department of Parasitology, University of Granada, E-18071 Granada, Spain
- CIBER of Epidemiology and Public Health (CIBERESP), Spain
- Correspondence: (M.F.); (J.M.-d.l.P.)
| | - Jordi Figuerola
- Doñana Biological Station (EBD-CSIC), E-41092 Seville, Spain;
- CIBER of Epidemiology and Public Health (CIBERESP), Spain
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19
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Rodrigues RA, Felix GMF, Pichorim M, Moreira PA, Braga EM. Host migration and environmental temperature influence avian haemosporidians prevalence: a molecular survey in a Brazilian Atlantic rainforest. PeerJ 2021; 9:e11555. [PMID: 34221715 PMCID: PMC8231341 DOI: 10.7717/peerj.11555] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 05/11/2021] [Indexed: 12/13/2022] Open
Abstract
Avian haemosporidians are parasites with great capacity to spread to new environments and new hosts, being considered a good model to host-parasite interactions studies. Here, we examine avian haemosporidian parasites in a protected area covered by Restinga vegetation in northeastern Brazil, to test the hypothesis that haemosporidian prevalence is related to individual-level traits (age and breeding season), species-specific traits (diet, foraging strata, period of activity, species body weight, migratory status, and nest shape), and climate factors (temperature and rainfall). We screened DNA from 1,466 birds of 70 species captured monthly from April 2013 to March 2015. We detected an overall prevalence (Plasmodium/Haemoproteus infection) of 22% (44 host species) and parasite’s lineages were identified by mitochondrial cyt b gene. Our results showed that migration can be an important factor predicting the prevalence of Haemoproteus (Parahaemoproteus), but not Plasmodium, in hosts. Besides, the temperature, but not rainfall, seems to predict the prevalence of Plasmodium in this bird community. Neither individual-level traits analyzed nor the other species-specific traits tested were related to the probability of a bird becoming infected by haemosporidians. Our results point the importance of conducting local studies in particular environments to understand the degree of generality of factors impacting parasite prevalence in bird communities. Despite our attempts to find patterns of infection in this bird community, we should be aware that an avian haemosporidian community organization is highly complex and this complexity can be attributed to an intricate net of factors, some of which were not observed in this study and should be evaluated in future studies. We evidence the importance of looking to host-parasite relationships in a more close scale, to assure that some effects may not be obfuscated by differences in host life-history.
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Affiliation(s)
- Raquel A Rodrigues
- Parasitology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Mauro Pichorim
- Botany and Zoology, Universidade Federal do Rio Grande no Norte, Natal, Brazil
| | - Patricia A Moreira
- Biodiversity, Evolution and Environment, Universidade Federal de Ouro Preto, Ouro Preto, Brazil
| | - Erika M Braga
- Parasitology, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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20
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Switch, disperse, repeat: host specificity is highly flexible in rodent-associated Eimeria. Int J Parasitol 2021; 51:977-984. [PMID: 34089715 DOI: 10.1016/j.ijpara.2021.04.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 03/09/2021] [Accepted: 04/07/2021] [Indexed: 01/17/2023]
Abstract
Interplay between conserved host specificity and occasional host switches is an important process determining the evolution of host-parasite systems. Here, we address the dynamics of host switches at the population level in rodent-associated Eimeria. Focusing mainly on two ecologically similar host groups, Murinae and Arvicolinae, we show that the Eimeria infecting those hosts form a complex system of many genetic lineages with different host specificities. The broad geographic distribution of lineages indicates that they are well-established genetic forms which retained their host specificities while spreading across large geographic areas. We also demonstrate that genetic structure is only partially reflected by morphological traits.
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21
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Roth AM, Keiser CN, Williams JB, Gee JM. Prevalence and intensity of avian malaria in a quail hybrid zone. Ecol Evol 2021; 11:8123-8135. [PMID: 34188875 PMCID: PMC8216944 DOI: 10.1002/ece3.7645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 04/14/2021] [Accepted: 04/19/2021] [Indexed: 01/12/2023] Open
Abstract
Hybrid zones have been described as natural laboratories by researchers who study speciation and the various mechanisms that may affect gene flow. The evolutionary consequences of hybridization depend not only on reproductive compatibility between sympatric species, but also on factors like vulnerability to each other's predators and parasites. We examined infection patterns of the blood parasite Haemoproteus lophortyx, a causative agent of avian malaria, at a site in the contact zone between California quail (Callipepla californica) and Gambel's quail (C. gambelii). Controlling for the potential influence of sex and year, we tested whether species identity predicted infection status and intensity. We found that infection prevalence was lower in California and hybrid quail compared with Gambel's quail. However, infected California and hybrid quail had higher infection intensities than Gambel's quail. California and hybrid quail exhibited no significant differences in prevalence or intensity of infection. These findings suggest that infection by H. lophortyx has the potential to influence species barrier dynamics in this system; however, more work is necessary to determine the exact evolutionary consequences of this blood parasite on hybridization.
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Affiliation(s)
| | - Carl N. Keiser
- Department of BiologyUniversity of FloridaGainesvilleFLUSA
| | - Judson B. Williams
- Department of Ecology and Evolutionary BiologyPrinceton UniversityPrincetonNJUSA
- Present address:
Department of SurgeryDuke UniversityRaleighNCUSA
| | - Jennifer M. Gee
- Department of Ecology and Evolutionary BiologyPrinceton UniversityPrincetonNJUSA
- Present address:
James San Jacinto Mountains ReserveUniversity of California – RiversideUniversity of California Natural Reserve SystemIdyllwildCAUSA
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22
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Hernández-Hernández T, Miller EC, Román-Palacios C, Wiens JJ. Speciation across the Tree of Life. Biol Rev Camb Philos Soc 2021; 96:1205-1242. [PMID: 33768723 DOI: 10.1111/brv.12698] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 02/13/2021] [Accepted: 02/16/2021] [Indexed: 01/04/2023]
Abstract
Much of what we know about speciation comes from detailed studies of well-known model systems. Although there have been several important syntheses on speciation, few (if any) have explicitly compared speciation among major groups across the Tree of Life. Here, we synthesize and compare what is known about key aspects of speciation across taxa, including bacteria, protists, fungi, plants, and major animal groups. We focus on three main questions. Is allopatric speciation predominant across groups? How common is ecological divergence of sister species (a requirement for ecological speciation), and on what niche axes do species diverge in each group? What are the reproductive isolating barriers in each group? Our review suggests the following patterns. (i) Based on our survey and projected species numbers, the most frequent speciation process across the Tree of Life may be co-speciation between endosymbiotic bacteria and their insect hosts. (ii) Allopatric speciation appears to be present in all major groups, and may be the most common mode in both animals and plants, based on non-overlapping ranges of sister species. (iii) Full sympatry of sister species is also widespread, and may be more common in fungi than allopatry. (iv) Full sympatry of sister species is more common in some marine animals than in terrestrial and freshwater ones. (v) Ecological divergence of sister species is widespread in all groups, including ~70% of surveyed species pairs of plants and insects. (vi) Major axes of ecological divergence involve species interactions (e.g. host-switching) and habitat divergence. (vii) Prezygotic isolation appears to be generally more widespread and important than postzygotic isolation. (viii) Rates of diversification (and presumably speciation) are strikingly different across groups, with the fastest rates in plants, and successively slower rates in animals, fungi, and protists, with the slowest rates in prokaryotes. Overall, our study represents an initial step towards understanding general patterns in speciation across all organisms.
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Affiliation(s)
- Tania Hernández-Hernández
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721-0088, U.S.A.,Catedrática CONACYT asignada a LANGEBIO-UGA Cinvestav, Libramiento Norte Carretera León Km 9.6, 36821, Irapuato, Guanajuato, Mexico
| | - Elizabeth C Miller
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721-0088, U.S.A
| | - Cristian Román-Palacios
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721-0088, U.S.A
| | - John J Wiens
- Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721-0088, U.S.A
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23
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Fecchio A, Lima MR, Bell JA, Schunck F, Corrêa AH, Beco R, Jahn AE, Fontana CS, da Silva TW, Repenning M, Braga ÉM, Garcia JE, Lugarini C, Silva JCR, Andrade LHM, Dispoto JH, Dos Anjos CC, Weckstein JD, Kirchgatter K, Ellis VA, Ricklefs RE, De La Torre GM. Loss of forest cover and host functional diversity increases prevalence of avian malaria parasites in the Atlantic Forest. Int J Parasitol 2021; 51:719-728. [PMID: 33722680 DOI: 10.1016/j.ijpara.2021.01.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 01/07/2021] [Accepted: 01/11/2021] [Indexed: 12/25/2022]
Abstract
Host phylogenetic relatedness and ecological similarity are thought to contribute to parasite community assembly and infection rates. However, recent landscape level anthropogenic changes may disrupt host-parasite systems by impacting functional and phylogenetic diversity of host communities. We examined whether changes in host functional and phylogenetic diversity, forest cover, and minimum temperature influence the prevalence, diversity, and distributions of avian haemosporidian parasites (genera Haemoproteus and Plasmodium) across 18 avian communities in the Atlantic Forest. To explore spatial patterns in avian haemosporidian prevalence and taxonomic and phylogenetic diversity, we surveyed 2241 individuals belonging to 233 avian species across a deforestation gradient. Mean prevalence and parasite diversity varied considerably across avian communities and parasites responded differently to host attributes and anthropogenic changes. Avian malaria prevalence (termed herein as an infection caused by Plasmodium parasites) was higher in deforested sites, and both Plasmodium prevalence and taxonomic diversity were negatively related to host functional diversity. Increased diversity of avian hosts increased local taxonomic diversity of Plasmodium lineages but decreased phylogenetic diversity of this parasite genus. Temperature and host phylogenetic diversity did not influence prevalence and diversity of haemosporidian parasites. Variation in the diversity of avian host traits that promote parasite encounter and vector exposure (host functional diversity) partially explained the variation in avian malaria prevalence and diversity. Recent anthropogenic landscape transformation (reduced proportion of native forest cover) had a major influence on avian malaria occurrence across the Atlantic Forest. This suggests that, for Plasmodium, host phylogenetic diversity was not a biotic filter to parasite transmission as prevalence was largely explained by host ecological attributes and recent anthropogenic factors. Our results demonstrate that, similar to human malaria and other vector-transmitted pathogens, prevalence of avian malaria parasites will likely increase with deforestation.
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Affiliation(s)
- Alan Fecchio
- Programa de Pós-graduação em Ecologia e Conservação da Biodiversidade, Universidade Federal de Mato Grosso, Cuiabá, MT 78060900, Brazil.
| | - Marcos R Lima
- Department of Animal and Plant Biology, State University of Londrina, Londrina, PR 86051-970, Brazil
| | - Jeffrey A Bell
- Department of Biology, University of North Dakota, Grand Forks, ND 58202, USA
| | - Fabio Schunck
- Brazilian Committee for Ornithological Records - CBRO, São Paulo, SP, Brazil
| | - Aline H Corrêa
- Instituto de Biociências, Universidade de São Paulo, São Paulo, SP 05508-900, Brazil
| | - Renata Beco
- Instituto de Biociências, Universidade de São Paulo, São Paulo, SP 05508-900, Brazil
| | - Alex E Jahn
- Environmental Resilience Institute, Indiana University, Bloomington, IN 47408, USA
| | - Carla S Fontana
- Laboratório de Ornitologia, Museu de Ciências e Tecnologia, Programa de Pós-graduação em Ecologia e Conservação da Biodiversidade, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS 90619-900, Brazil
| | - Thaiane W da Silva
- Laboratório de Ornitologia, Museu de Ciências e Tecnologia, Programa de Pós-graduação em Ecologia e Conservação da Biodiversidade, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS 90619-900, Brazil
| | - Márcio Repenning
- Laboratório de Ornitologia, Museu de Ciências e Tecnologia, Programa de Pós-graduação em Ecologia e Conservação da Biodiversidade, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS 90619-900, Brazil; Laboratório de Aves Aquáticas e Tartarugas Marinhas, Universidade Federal do Rio Grande. Campus Carreiros, Rio Grande, RS 96203-900, Brazil
| | - Érika M Braga
- Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, MG 31270-901, Brazil
| | - José E Garcia
- Universidade Federal de Pernambuco, Centro Acadêmico de Vitória, Vitoria de Santo Antao, PE 55608-680, Brazil
| | - Camile Lugarini
- Centro Nacional de Pesquisa e Conservação de Aves Silvestres, Instituto Chico Mendes de Conservação da Biodiversidade, Florianópolis, SC, Brazil; Laboratório de Saúde Única, Epidemiologia e Geoprocessamento, Departamento de Medicina Veterinária, Universidade Federal Rural de Pernambuco, Recife, PE 52061-030, Brazil
| | - Jean C R Silva
- Laboratório de Saúde Única, Epidemiologia e Geoprocessamento, Departamento de Medicina Veterinária, Universidade Federal Rural de Pernambuco, Recife, PE 52061-030, Brazil
| | - Leontina H M Andrade
- Laboratório de Saúde Única, Epidemiologia e Geoprocessamento, Departamento de Medicina Veterinária, Universidade Federal Rural de Pernambuco, Recife, PE 52061-030, Brazil
| | - Janice H Dispoto
- Department of Ornithology, Academy of Natural Sciences of Drexel University, Philadelphia, PA 19103, USA
| | - Carolina C Dos Anjos
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP 05403-000, Brazil
| | - Jason D Weckstein
- Department of Ornithology, Academy of Natural Sciences of Drexel University, Philadelphia, PA 19103, USA; Department of Biodiversity, Earth, and Environmental Sciences, Drexel University, Philadelphia, PA 19103, USA
| | - Karin Kirchgatter
- Instituto de Medicina Tropical, Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP 05403-000, Brazil; Laboratório de Bioquímica e Biologia Molecular, Superintendência de Controle de Endemias, São Paulo, SP 01027-000, Brazil
| | - Vincenzo A Ellis
- Department of Entomology and Wildlife Ecology, University of Delaware, Newark, DE, USA
| | - Robert E Ricklefs
- Department of Biology, University of Missouri-St. Louis, St. Louis, MO 63121, USA
| | - Gabriel M De La Torre
- Programa de Pós-graduação em Ecologia e Conservação, Universidade Federal do Paraná, Curitiba, PR 80210-170, Brazil
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Sándor AD, Péter Á, Corduneanu A, Barti L, Csősz I, Kalmár Z, Hornok S, Kontschán J, Mihalca AD. Wide Distribution and Diversity of Malaria-Related Haemosporidian Parasites ( Polychromophilus spp.) in Bats and Their Ectoparasites in Eastern Europe. Microorganisms 2021; 9:230. [PMID: 33499324 PMCID: PMC7911978 DOI: 10.3390/microorganisms9020230] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 01/14/2021] [Accepted: 01/20/2021] [Indexed: 01/17/2023] Open
Abstract
Malaria is responsible for major diseases of humans, while associated haemosporidians are important factors in regulating wildlife populations. Polychromophilus, a haemosporidian parasite of bats, is phylogenetically close to human-pathogenic Plasmodium species, and their study may provide further clues for understanding the evolutionary relationships between vertebrates and malarial parasites. Our aim was to investigate the distribution of Polychromophilus spp. in Eastern Europe and test the importance of host ecology and roost site on haemosporidian parasite infection of bats. We sampled bats and their ectoparasites at eight locations in Romania and Bulgaria. DNA was extracted from blood samples and ectoparasites and tested individually for the presence of DNA of Polychromophilus spp. using a nested PCR targeting a 705 bp fragment of cytB. Two species of Polychromophilus were identified: Po. melanipherus in Miniopterus schreibersii and associated ectoparasites and Po. murinus in rhinolophid and vespertilionid bats (6 species) and their ticks and nycteribiid flies. Only cave-dwelling bat species (and their ectoparasites) showed infections, and we found a strong correlation between infections with Polychromophilus parasites and Nycteribiidae prevalence. We report the high genetic diversity of Polychromophilus spp. in Eastern Europe, suggesting that the simultaneous presence of varied host and vector assemblages enhances bat haemosporidian parasite diversity.
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Affiliation(s)
- Attila D. Sándor
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, RO-400036 Cluj Napoca, Romania; (Á.P.); (A.C.); (L.B.); (Z.K.); (A.D.M.)
- Department of Parasitology and Zoology, University of Veterinary Medicine, H-1078 Budapest, Hungary;
| | - Áron Péter
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, RO-400036 Cluj Napoca, Romania; (Á.P.); (A.C.); (L.B.); (Z.K.); (A.D.M.)
| | - Alexandra Corduneanu
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, RO-400036 Cluj Napoca, Romania; (Á.P.); (A.C.); (L.B.); (Z.K.); (A.D.M.)
| | - Levente Barti
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, RO-400036 Cluj Napoca, Romania; (Á.P.); (A.C.); (L.B.); (Z.K.); (A.D.M.)
- Myotis Bat Conservation Group, RO-530171 Miercurea Ciuc, Romania;
| | - István Csősz
- Myotis Bat Conservation Group, RO-530171 Miercurea Ciuc, Romania;
| | - Zsuzsa Kalmár
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, RO-400036 Cluj Napoca, Romania; (Á.P.); (A.C.); (L.B.); (Z.K.); (A.D.M.)
| | - Sándor Hornok
- Department of Parasitology and Zoology, University of Veterinary Medicine, H-1078 Budapest, Hungary;
| | - Jenő Kontschán
- Centre for Agricultural Research, Plant Protection Institute, ELKH, H-1022 Budapest, Hungary;
| | - Andrei D. Mihalca
- Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine, University of Agricultural Sciences and Veterinary Medicine of Cluj-Napoca, RO-400036 Cluj Napoca, Romania; (Á.P.); (A.C.); (L.B.); (Z.K.); (A.D.M.)
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25
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Bell KC, Allen JM, Johnson KP, Demboski JR, Cook JA. Disentangling lousy relationships: Comparative phylogenomics of two sucking louse lineages parasitizing chipmunks. Mol Phylogenet Evol 2020; 155:106998. [PMID: 33130299 DOI: 10.1016/j.ympev.2020.106998] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/21/2020] [Accepted: 10/22/2020] [Indexed: 11/29/2022]
Abstract
The evolution of obligate parasites is often interpreted in light of their hosts' evolutionary history. An expanded approach is to examine the histories of multiple lineages of parasites that inhabit similar environments on a particular host lineage. Western North American chipmunks (genus Tamias) have a broad distribution, a history of divergence with gene flow, and host two species of sucking lice (Anoplura), Hoplopleura arboricola and Neohaematopinus pacificus. From total genomic sequencing, we obtained sequences of over 1100 loci sampled across the genomes of these lice to compare their evolutionary histories and examine the roles of host association in structuring louse relationships. Within each louse species, clades are largely associated with closely related chipmunk host species. Exceptions to this pattern appear to have a biogeographic component, but differ between the two louse species. Phylogenetic relationships among these major louse clades, in both species, are not congruent with chipmunk relationships. In the context of host associations, each louse lineage has a different evolutionary history, supporting the hypothesis that host-parasite assemblages vary both across the landscape and with the taxa under investigation. In addition, the louse Hoplopleura erratica (parasitizing the eastern Tamias striatus) is embedded within H. arboricola, rendering it paraphyletic. This phylogenetic result, together with comparable divergences within H. arboricola, indicate a need for taxonomic revision. Both host divergence and biogeographic components shape parasite diversification as demonstrated by the distinctive diversification patterns of these two independently evolving lineages that parasitize the same hosts.
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Affiliation(s)
- Kayce C Bell
- Mammalogy Department, Natural History Museum of Los Angeles County, Los Angeles, CA, USA; Department of Biology, Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, USA; Zoology Department, Denver Museum of Nature & Science, Denver, CO, USA.
| | - Julie M Allen
- Department of Biology, University of Nevada Reno, Reno, NV, USA
| | - Kevin P Johnson
- Illinois Natural History Survey, Prairie Research Institute, University of Illinois Urbana-Champaign, Champaign, IL, USA
| | - John R Demboski
- Zoology Department, Denver Museum of Nature & Science, Denver, CO, USA
| | - Joseph A Cook
- Department of Biology, Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, USA
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26
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Gutiérrez-López R, Bourret V, Loiseau C. Is Host Selection by Mosquitoes Driving Vector Specificity of Parasites? A Review on the Avian Malaria Model. Front Ecol Evol 2020. [DOI: 10.3389/fevo.2020.569230] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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27
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Ciloglu A, Ellis VA, Duc M, Downing PA, Inci A, Bensch S. Evolution of vector transmitted parasites by host switching revealed through sequencing of Haemoproteus parasite mitochondrial genomes. Mol Phylogenet Evol 2020; 153:106947. [PMID: 32866615 DOI: 10.1016/j.ympev.2020.106947] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/18/2020] [Accepted: 08/24/2020] [Indexed: 12/30/2022]
Abstract
Parasite species evolve by switching to new hosts, cospeciating with their current hosts, or speciating on their current hosts. Vector transmitted parasites are expected to speciate by host switching, but confirming this hypothesis has proved challenging. Parasite DNA can be difficult to sequence, thus well resolved parasite phylogenies that are needed to distinguish modes of parasite speciation are often lacking. Here, we studied speciation in vector transmitted avian haemosporidian parasites in the genus Haemoproteus and their warbler hosts (family Acrocephalidae). We overcome the difficulty of generating parasite genetic data by combining nested long-range PCR with next generation sequencing to sequence whole mitochondrial genomes from 19 parasite haplotypes confined to Acrocephalidae warblers, resulting in a well-supported parasite phylogeny. We also generated a well-supported host phylogeny using five genes from published sources. Our phylogenetic analyses confirm that these parasites have speciated by host switching. We also found that closely related host species shared parasites which themselves were not closely related. Sharing of parasites by closely related host species is not due to host geographic range overlap, but may be the result of phylogenetically conserved host immune systems.
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Affiliation(s)
- Arif Ciloglu
- Department of Parasitology, Faculty of Veterinary Medicine, Erciyes University, 38039 Kayseri, Turkey; Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, S-22362 Lund, Sweden; Vectors and Vector-Borne Diseases Implementation and Research Center, Erciyes University, 38039 Kayseri, Turkey.
| | - Vincenzo A Ellis
- Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, S-22362 Lund, Sweden; Department of Entomology and Wildlife Ecology, University of Delaware, Newark, DE, USA
| | - Mélanie Duc
- Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, S-22362 Lund, Sweden; Nature Research Centre, Akademijos 2, Vilnius 08412, Lithuania
| | - Philip A Downing
- Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, S-22362 Lund, Sweden
| | - Abdullah Inci
- Department of Parasitology, Faculty of Veterinary Medicine, Erciyes University, 38039 Kayseri, Turkey; Vectors and Vector-Borne Diseases Implementation and Research Center, Erciyes University, 38039 Kayseri, Turkey
| | - Staffan Bensch
- Molecular Ecology and Evolution Laboratory, Department of Biology, Lund University, S-22362 Lund, Sweden
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Bell JA, González-Acuña D, Tkach VV. Haemosporidian Parasites of Chilean Ducks: The Importance of Biogeography and Nonpasserine Hosts. J Parasitol 2020; 106:211-220. [PMID: 32164026 DOI: 10.1645/19-130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Biogeography is known to have shaped the diversity and evolutionary history of avian haemosporidian parasites across the Neotropics. However, a paucity of information exists for the temperate Neotropics and especially from nonpasserine hosts. To understand the effect of biogeography in the temperate Neotropics on haemosporidians of nonpasserine hosts we screened ducks (Anseriformes) from central Chile for the presence of these parasites. Forty-two individuals of 4 duck species (Anas flavirostris, Anas georgica, Mareca sibilatrix, Spatula cyanoptera cyanoptera) were collected and assessed for haemosporidian parasite infections by real-time polymerase chain reaction screening and subsequent sequencing of the mitochondrial cytochrome b gene. Haemoproteus (subgenus Haemoproteus) and Plasmodium were detected in 2 host species, A. georgica and S. c. cyanoptera, with no Leucocytozoon found. Overall haemosporidian prevalence was low (14.2%), with the prevalence of Plasmodium (11.9%) being substantially greater than that of Haemoproteus (4.8%). Six haemosporidian cytochrome b lineages were recovered, 2 Haemoproteus and 4 Plasmodium, with all 6 lineages identified for the first time. In phylogenetic reconstruction, the Chilean Plasmodium lineages were more closely related to South American lineages from passerine birds than to known lineages from anseriforms. The subgenus Haemoproteus known from nonpasseriformes has never been identified from any anseriform host; however, we recovered 2 lineages from this subgenus, one from each A. georgica and S. c. cyanoptera. Further work is needed to determine if this presents true parasitism in ducks or only a spillover infection. The results of phylogenetic reconstruction demonstrate a unique evolutionary history of these Chilean parasites, differing from what is known for this host group. The unique geography of Chile, with a large part of the country being relatively isolated by the Atacama Desert in the north and the Andes in the east and south, would present opportunities for parasite diversification. Further work is needed to investigate how strongly the biogeographical isolation has shaped the haemosporidian parasites of this area. Our results add to the growing body of evidence that nonpasserine hosts support unique lineages of haemosporidian parasites, while also demonstrating the role of biogeography in haemosporidian parasite diversity in the temperate Neotropics.
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Affiliation(s)
- Jeffrey A Bell
- Department of Biology, University of North Dakota, 10 Cornell Street STOP 9019, Grand Forks, North Dakota 58202
| | - Daniel González-Acuña
- Department of Animal Science, Faculty of Veterinary Sciences, Universidad de Concepción, Box 10 537, Chillán 3780000, Chile
| | - Vasyl V Tkach
- Department of Biology, University of North Dakota, 10 Cornell Street STOP 9019, Grand Forks, North Dakota 58202
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Chakarov N, Kampen H, Wiegmann A, Werner D, Bensch S. Blood parasites in vectors reveal a united blackfly community in the upper canopy. Parasit Vectors 2020; 13:309. [PMID: 32539849 PMCID: PMC7296761 DOI: 10.1186/s13071-020-04177-0] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 06/08/2020] [Indexed: 11/30/2022] Open
Abstract
Background The behaviour of blood-sucking arthropods is a crucial determinant of blood protozoan distribution and hence of host-parasite coevolution, but it is very challenging to study in the wild. The molecular identification of parasite lineages in vectors can be a useful key to understand the behaviour and transmission patterns realised by these vectors. Methods In this study, we collected blackflies around nests of three raptor species in the upper forest canopy in central Europe and examined the presence of vertebrate DNA and haemosporidian parasites in them. We molecularly analysed 156 blackfly individuals, their vertebrate blood meals, and the haemosporidian parasite lineages they carried. Results We identified nine species of Simulium blackflies, largely belonging to the subgenera Nevermannia and Eusimulium. Only 1% of the collected specimens was visibly engorged, and only 4% contained remains of host DNA. However, in 29% of the blackflies Leucocytozoon lineages were identified, which is evidence of a previous blood meal on an avian host. Based on the known vertebrate hosts of the recorded Leucocytozoon lineages, we can infer that large and/or abundant birds, such as thrushes, crows, pigeons, birds of prey, owls and tits are the main targets of ornithophilic blackflies in the canopy. Blackfly species contained similar proportions of host group-specific parasite lineages and thus do not appear to be associated with particular host groups. Conclusions The Leucocytozoon clade infecting thrushes, crows, and pigeons present in most represented blackfly species suggests a lack of association between hosts and blackflies, which can increase the probability of host switches of blood parasites. However, the composition of the simuliid species differed between nests of common buzzards, goshawks and red kites. This segregation can be explained by coinciding habitat preferences between host and vector, and may lead to the fast speciation of Leucocytozoon parasites. Thus, subtle ecological preferences and lack of host preference of vectors in the canopy may enable both parasite diversification and host switches, and enforce a habitat-dependent evolution of avian malaria parasites and related haemosporidia.![]()
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Affiliation(s)
- Nayden Chakarov
- Department of Animal Behaviour, Bielefeld University, Bielefeld, Germany. .,Molecular Ecology and Evolution Lab, Department of Biology, Lund University, Lund, Sweden.
| | - Helge Kampen
- Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald, Insel Riems, Germany
| | - Anja Wiegmann
- Department of Animal Behaviour, Bielefeld University, Bielefeld, Germany
| | - Doreen Werner
- Research Area 2 'Land Use and Governance', Leibniz Centre for Agricultural Landscape Research, Muencheberg, Germany
| | - Staffan Bensch
- Molecular Ecology and Evolution Lab, Department of Biology, Lund University, Lund, Sweden
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30
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Cuevas E, Vianna JA, Botero-Delgadillo E, Doussang D, González-Acuña D, Barroso O, Rozzi R, Vásquez RA, Quirici V. Latitudinal gradients of haemosporidian parasites: Prevalence, diversity and drivers of infection in the Thorn-tailed Rayadito ( Aphrastura spinicauda). Int J Parasitol Parasites Wildl 2020; 11:1-11. [PMID: 31879589 PMCID: PMC6920315 DOI: 10.1016/j.ijppaw.2019.11.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 11/02/2019] [Accepted: 11/03/2019] [Indexed: 01/15/2023]
Abstract
Latitudinal gradients are well-suited systems that may be helpful explaining distribution of haemosporidian parasites and host susceptibility. We studied the prevalence, diversity and drivers of haemosporidian parasites (Leucocytozoon, Plasmodium and Haemoproteus) along a latitudinal gradient (30°-56° S), that encompass the total distribution (~3,000 km) of the Thorn-tailed Rayadito (Aphrastura spinicauda) in the South American temperate forests from Chile. We analyzed 516 individuals from 18 localities between 2010 and 2017 and observed an overall prevalence of 28.3% for haemosporidian parasites. Leucocytozoon was the most prevalent parasite (25.8%). We recorded 19 distinct lineages (13 for Leucocytozoon, five for Plasmodium, and one for Haemoproteus). Differences in haemosporidian prevalence and diversity by genus and type of habitat were observed in the latitudinal gradient. Further, we support the existence of a latitudinal associate distribution of Leucocytozoids in South America, where prevalence and diversity increase toward higher latitudes. Distribution of Leucocytozoon was associated with sub-antarctic habitat (higher latitude) and explained by cold temperature and high precipitation. On the other hand, we lacked to find a latitudinal associate pattern for Plasmodium and Haemoproteus, however low prevalence and high diversity were recorded in areas considered as a hotspot of biodiversity in Central Chile. Our findings confirmed the importance of habitat and climatic variables explaining prevalence, diversity and distribution of haemosporidian parasites in a huge latitudinal gradient, belonging the distribution of the Thorn-tailed Rayadito in the world's southernmost forests ecosystems.
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Affiliation(s)
- Elfego Cuevas
- Programa de Doctorado en Medicina de la Conservación, Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago, Chile
- Centro de Investigación para la Sustentabilidad (CIS), Universidad Andres Bello, Santiago, Chile
| | - Juliana A. Vianna
- Departamento de Ecosistemas y Medio Ambiente, Facultad de Agronomía e Ingeniería Forestal, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Esteban Botero-Delgadillo
- Instituto de Ecología y Biodiversidad, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
- SELVA: Research for Conservation in the Neotropics, Bogotá, Colombia
- Department of Behavioral Ecology and Evolutionary Genetics, Max Plank Institute for Ornithology, Seewiesen, Germany
| | - Daniela Doussang
- Laboratorio de Parásitos y Enfermedades de Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
- Facultad de Ciencias de la Vida, Universidad Andres Bello, Viña Del Mar, Chile
| | - Daniel González-Acuña
- Laboratorio de Parásitos y Enfermedades de Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
| | - Omar Barroso
- Instituto de Ecología y Biodiversidad, Parque Etnobotánico Omora, Universidad de Magallanes, Puerto Williams, Chile
| | - Ricardo Rozzi
- Instituto de Ecología y Biodiversidad, Parque Etnobotánico Omora, Universidad de Magallanes, Puerto Williams, Chile
| | - Rodrigo A. Vásquez
- Instituto de Ecología y Biodiversidad, Facultad de Ciencias, Universidad de Chile, Santiago, Chile
| | - Verónica Quirici
- Centro de Investigación para la Sustentabilidad (CIS), Universidad Andres Bello, Santiago, Chile
- Departamento de Ecología y Biodiversidad, Universidad Andres Bello, Santiago, Chile
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31
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Esteves-Silva PH, da Silva MRL, O'Dwyer LH, Tavares-Dias M, Viana LA. Haemogregarina daviesensis sp. nov. (Apicomplexa: Haemogregarinidae) from South American lungfish Lepidosiren paradoxa (Sarcopterygii: Lepidosirenidae) in the eastern Amazon region. Parasitol Res 2019; 118:2773-2779. [PMID: 31456045 DOI: 10.1007/s00436-019-06430-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Accepted: 08/15/2019] [Indexed: 12/01/2022]
Abstract
Based on morphology and morphometry of gametocytes in blood and molecular phylogenetic analysis, we described a new species of hemoparasite from the genus Haemogregarina isolated from Lepidosiren paradoxa in the eastern Amazon region. Haemogregarina daviesensis sp. nov. is characterized by monomorphic gametocytes of varying maturity stage and their dimensions were 16 ± 0.12 μm (range 13-18) in length and 6 ± 0.97 μm (range 5-8) in width. The morphological and morphometric data were not identical with other haemogregarine species from fish. All specimens of L. paradoxa analyzed were infected by H. daviesensis sp. nov. and the parasitemia level was moderate (1-28/2000 blood erythrocytes). Two sequences were obtained from L. paradoxa, and these constituted a monophyletic sister clade to the Haemogregarina species. In addition, H. daviesensis sp. nov. detected here grouped with Haemogregarina sp. sequences isolated from chelonian Macrochelys temminckii, with 99% bootstrap support. This study provides the first data on the molecular phylogeny of an intraerythrocytic haemogregarine of freshwater fish and highlights the importance of obtaining additional information on aspects of the general biology of these hemoparasites in fish populations, in order to achieve correct taxonomic classification.
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Affiliation(s)
- Pedro Hugo Esteves-Silva
- Departamento de Ciências Biológicas e da Saúde, Universidade Federal do Amapá. Rodovia Juscelino Kubitscheck, KM 02, S/N, Jardim Marco Zero, Macapá, Amapá, 68903-419, Brazil
| | - Maria Regina Lucas da Silva
- Departamento de Parasitologia, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho, Distrito de Rubião Junior, Botucatu, São Paulo, 18618-970, Brazil
| | - Lucia Helena O'Dwyer
- Departamento de Parasitologia, Instituto de Biociências, Universidade Estadual Paulista Júlio de Mesquita Filho, Distrito de Rubião Junior, Botucatu, São Paulo, 18618-970, Brazil
| | - Marcos Tavares-Dias
- Embrapa Amapá, Rodovia Juscelino Kubitscheck, Km 5, 2600, Universidade, Macapá, Amapá, 68903-419, Brazil
| | - Lúcio André Viana
- Departamento de Ciências Biológicas e da Saúde, Universidade Federal do Amapá. Rodovia Juscelino Kubitscheck, KM 02, S/N, Jardim Marco Zero, Macapá, Amapá, 68903-419, Brazil.
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Sharma R, Gupta RS. Novel Molecular Synapomorphies Demarcate Different Main Groups/Subgroups of Plasmodium and Piroplasmida Species Clarifying Their Evolutionary Relationships. Genes (Basel) 2019; 10:genes10070490. [PMID: 31261747 PMCID: PMC6678196 DOI: 10.3390/genes10070490] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 06/11/2019] [Accepted: 06/14/2019] [Indexed: 12/19/2022] Open
Abstract
The class Hematozoa encompasses several clinically important genera, including Plasmodium, whose members cause the major life-threating disease malaria. Hence, a good understanding of the interrelationships of organisms from this class and reliable means for distinguishing them are of much importance. This study reports comprehensive phylogenetic and comparative analyses on protein sequences on the genomes of 28 hematozoa species to understand their interrelationships. In addition to phylogenetic trees based on two large datasets of protein sequences, detailed comparative analyses were carried out on the genomes of hematozoa species to identify novel molecular synapomorphies consisting of conserved signature indels (CSIs) in protein sequences. These studies have identified 79 CSIs that are exclusively present in specific groups of Hematozoa/Plasmodium species, also supported by phylogenetic analysis, providing reliable means for the identification of these species groups and understanding their interrelationships. Of these CSIs, six CSIs are specifically shared by all hematozoa species, two CSIs serve to distinguish members of the order Piroplasmida, five CSIs are uniquely found in all Piroplasmida species except B. microti and two CSIs are specific for the genus Theileria. Additionally, we also describe 23 CSIs that are exclusively present in all genome-sequenced Plasmodium species and two, nine, ten and eight CSIs which are specific for members of the Plasmodium subgenera Haemamoeba, Laverania, Vinckeia and Plasmodium (excluding P. ovale and P. malariae), respectively. Additionally, our work has identified several CSIs that support species relationships which are not evident from phylogenetic analysis. Of these CSIs, one CSI supports the ancestral nature of the avian-Plasmodium species in comparison to the mammalian-infecting groups of Plasmodium species, four CSIs strongly support a specific relationship of species between the subgenera Plasmodium and Vinckeia and three CSIs each that reliably group P. malariae with members of the subgenus Plasmodium and P. ovale within the subgenus Vinckeia, respectively. These results provide a reliable framework for understanding the evolutionary relationships among the Plasmodium/Piroplasmida species. Further, in view of the exclusivity of the described molecular markers for the indicated groups of hematozoa species, particularly large numbers of unique characteristics that are specific for all Plasmodium species, they provide important molecular tools for biochemical/genetic studies and for developing novel diagnostics and therapeutics for these organisms.
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Affiliation(s)
- Rahul Sharma
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario L8N 3Z5, Canada.
| | - Radhey S Gupta
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario L8N 3Z5, Canada.
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Gupta P, Vishnudas CK, Ramakrishnan U, Robin VV, Dharmarajan G. Geographical and host species barriers differentially affect generalist and specialist parasite community structure in a tropical sky-island archipelago. Proc Biol Sci 2019; 286:20190439. [PMID: 31161909 DOI: 10.1098/rspb.2019.0439] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Understanding why some parasites emerge in novel host communities while others do not has broad implications for human and wildlife health. In the case of haemosporidian blood parasites, epidemic wild bird mortalities on oceanic islands have been linked to Plasmodium spp., but not genera like Haemoproteus. Indeed, Haemoproteus is absent from many oceanic islands. By contrast, birds on continental islands share long coevolutionary histories with both Plasmodium and Haemoproteus, and are thus ideal model systems to elucidate eco-evolutionary endpoints associated with these parasites in oceanic islands. Here, we examine eco-evolutionary dynamics of avian haemosporidian in the Shola sky-island archipelago of the Western Ghats, India. Our analyses reveal that compared to Plasmodium, Haemoproteus lineages were highly host-specific and diversified via co-speciation with their hosts. We show that community structure of host-generalist Plasmodium was primarily driven by geographical factors (e.g. biogeographic barriers), while that of host-specialist Haemoproteus was driven by host species barriers (e.g. phylogenetic distance). Consequently, a few host species can harbour a high diversity of Plasmodium lineages which, in turn, are capable of infecting multiple host species. These two mechanisms can act in concert to increase the risk of introduction, establishment, and emergence of novel Plasmodium lineages in island systems.
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Affiliation(s)
- Pooja Gupta
- 1 Savannah River Ecology Laboratory, University of Georgia , Aiken, SC , USA.,2 Warnell School of Forestry and Natural Resources, University of Georgia , Athens, GA 30602 , USA
| | - C K Vishnudas
- 3 Indian Institute of Science Education and Research Tirupati , Mangalam, Tirupati 517507 , India
| | - Uma Ramakrishnan
- 4 National Centre for Biological Sciences, TIFR , Bangalore 560065 , India
| | - V V Robin
- 3 Indian Institute of Science Education and Research Tirupati , Mangalam, Tirupati 517507 , India
| | - Guha Dharmarajan
- 1 Savannah River Ecology Laboratory, University of Georgia , Aiken, SC , USA
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Metwally DM, Al-Talhi RA, Barakat IAH, ElKhadragy MF. Effects of Eugenol on Haemoproteus columbae in domestic pigeons ( Columba livia domestica) from Riyadh, Saudi Arabia. Biosci Rep 2019; 39:BSR20190409. [PMID: 31028133 PMCID: PMC6533204 DOI: 10.1042/bsr20190409] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/03/2019] [Accepted: 04/12/2019] [Indexed: 11/21/2022] Open
Abstract
Eugenol was investigated for the treatment of Haemoproteus columbae (H. columbae) infected squabs (young domestic pigeons, Columba domestica). Thirty naturally-infected squabs were divided into three groups of 10 each. One group was treated with Eugenol, while the positive and negative control groups were administered buparvaquone (Butalex®) and distilled water, respectively. The number of infected red blood cells (RBCs) was calculated in all groups before and after treatment at 4-day intervals for 16 days. The results showed a significant therapeutic effect of Eugenol, with a progressive decrease in the number of infected RBCs from 89.20 ± 2.11 before treatment to 0.90 ± 0.31 at the end of treatment (P≤0.05). Butalex® was able to suppress the number of infected RBCs from 93.70 ± 1.72 before treatment to 0.90 ± 0.35 at the end of the experiment (P≤0.05). Eugenol showed therapeutic effects against H. columbae and may be regarded as a candidate for further studies to develop new drugs against blood parasites, in both animals and humans.
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Affiliation(s)
- Dina M Metwally
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Parasitology Department, College of Veterinary Medicine, Zagazig University, Zagazig, Egypt
| | - Razan A Al-Talhi
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Ibrahim A H Barakat
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Cell Biology Department, National Research Center, Dokki, Giza, Egypt
| | - Manal F ElKhadragy
- Zoology Department, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo, Egypt
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Huang X, Rapševičius P, Chapa-Vargas L, Hellgren O, Bensch S. Within-Lineage Divergence of Avian Haemosporidians: A Case Study to Reveal the Origin of a Widespread Haemoproteus Parasite. J Parasitol 2019. [DOI: 10.1645/18-112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Affiliation(s)
- Xi Huang
- Molecular Ecology and Evolution Lab, Department of Biology, Lund University, Sölvegatan 37, SE-22362, Sweden
| | - Paulius Rapševičius
- Molecular Ecology and Evolution Lab, Department of Biology, Lund University, Sölvegatan 37, SE-22362, Sweden
| | - Leonardo Chapa-Vargas
- Instituto Potosino de Investigación Científica y Tecnológica A.C. Camino a la Presa San José 2055, Lomas 4a Sección, San Luis Potosí, SLP. C.P. 78216, Mexico
| | - Olof Hellgren
- Molecular Ecology and Evolution Lab, Department of Biology, Lund University, Sölvegatan 37, SE-22362, Sweden
| | - Staffan Bensch
- Molecular Ecology and Evolution Lab, Department of Biology, Lund University, Sölvegatan 37, SE-22362, Sweden
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Gil-Vargas DL, Sedano-Cruz RE. Genetic variation of avian malaria in the tropical Andes: a relationship with the spatial distribution of hosts. Malar J 2019; 18:129. [PMID: 30971233 PMCID: PMC6458820 DOI: 10.1186/s12936-019-2699-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 03/01/2019] [Indexed: 01/30/2023] Open
Abstract
BACKGROUND Avian haemosporidia are obligate blood parasites with an ample range of hosts worldwide. To understand how host communities may influence the diversity of parasites of the neotropics, the spatial genetic variation of avian Plasmodium, Haemoproteus, and Leucocytozoon was examined between areas of host endemism and along the elevational gradient in the tropical Andes. METHODS A total of 1686 accessions of the cytochrome b gene of avian haemosporidia were selected from 43 publications, that further provides additional information on 14.2% of bird species in the Neotropics. Haplotype groups were identified using a similarity-based clustering of sequences using a cut-off level ≥ 99.3% of sequence identity. Phylogenetic-based analyses were implemented to examine the spatial genetic structure of avian haemosporidia among areas of host endemism and the elevation gradient in the tropical Andes. RESULTS The areas of avian endemism, including the tropical Andes, can explain the differential distribution of the haemosporidia cytochrome b gene variation. In the tropical Andes region, the total number of avian haemosporidia haplotypes follows a unimodal pattern that peaks at mid-elevation between 2000 and 2500 m above sea level. Furthermore, the haplotype assemblages of obligate blood parasites tend to overlap towards mid-elevation, where avian host diversity tends to be maximized. CONCLUSIONS Spatial analyses revealed that richness and turnover in haemosporidia suggest an association with montane host diversity, according to elevation in the tropical Andes. In addition, the spatial distribution of haemosporidia diversity is closely associated with patterns of host assemblages over large geographical scale in the tropical Andes and areas of avian endemism nearby.
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Affiliation(s)
- Diana Lorena Gil-Vargas
- Grupo de Investigación en Ecología Animal, Departamento de Biología, Universidad del Valle, Calle 13 No 100-00, Edif. E20, Room 3120, Cali, Colombia
| | - Raul Ernesto Sedano-Cruz
- Grupo de Investigación en Ecología Animal, Departamento de Biología, Universidad del Valle, Calle 13 No 100-00, Edif. E20, Room 3120, Cali, Colombia.
- Grupo de Investigación en Ecofisiología, Evolución y Biogeografía, Departamento de Biología, Universidad del Valle, Cali, Colombia.
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Barrow LN, McNew SM, Mitchell N, Galen SC, Lutz HL, Skeen H, Valqui T, Weckstein JD, Witt CC. Deeply conserved susceptibility in a multi-host, multi-parasite system. Ecol Lett 2019; 22:987-998. [PMID: 30912262 DOI: 10.1111/ele.13263] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 01/24/2019] [Accepted: 02/20/2019] [Indexed: 01/06/2023]
Abstract
Variation in susceptibility is ubiquitous in multi-host, multi-parasite assemblages, and can have profound implications for ecology and evolution in these systems. The extent to which susceptibility to parasites is phylogenetically conserved among hosts can be revealed by analysing diverse regional communities. We screened for haemosporidian parasites in 3983 birds representing 40 families and 523 species, spanning ~ 4500 m elevation in the tropical Andes. To quantify the influence of host phylogeny on infection status, we applied Bayesian phylogenetic multilevel models that included a suite of environmental, spatial, temporal, life history and ecological predictors. We found evidence of deeply conserved susceptibility across the avian tree; host phylogeny explained substantial variation in infection status, and results were robust to phylogenetic uncertainty. Our study suggests that susceptibility is governed, in part, by conserved, latent aspects of anti-parasite defence. This demonstrates the importance of deep phylogeny for understanding present-day ecological interactions.
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Affiliation(s)
- Lisa N Barrow
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, 87131, USA.,Department of Biology, University of New Mexico, Albuquerque, NM, 87131, USA
| | - Sabrina M McNew
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, 87131, USA.,Department of Biology, University of New Mexico, Albuquerque, NM, 87131, USA.,Cornell Lab of Ornithology, Cornell University, Ithaca, NY, USA
| | - Nora Mitchell
- Department of Biology, University of New Mexico, Albuquerque, NM, 87131, USA
| | - Spencer C Galen
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, 87131, USA.,Sackler Institute for Comparative Genomics & Richard Gilder Graduate School, American Museum of Natural History, New York, NY, 10024, USA.,Department of Ornithology, Academy of Natural Sciences of Drexel University, Philadelphia, PA, 19103, USA.,Department of Biodiversity, Earth, and Environmental Sciences, Drexel University, Philadelphia, PA, 19103, USA
| | - Holly L Lutz
- Cornell Lab of Ornithology, Cornell University, Ithaca, NY, USA.,Integrative Research Center, The Field Museum, Chicago, IL, 60605, USA.,Department of Surgery, University of Chicago, Chicago, IL, 60637, USA
| | - Heather Skeen
- Integrative Research Center, The Field Museum, Chicago, IL, 60605, USA.,Committee on Evolutionary Biology, University of Chicago, Chicago, IL, 60637, USA
| | - Thomas Valqui
- Centro de Ornitología y Biodiversidad (CORBIDI), Lima, Perú
| | - Jason D Weckstein
- Department of Ornithology, Academy of Natural Sciences of Drexel University, Philadelphia, PA, 19103, USA.,Department of Biodiversity, Earth, and Environmental Sciences, Drexel University, Philadelphia, PA, 19103, USA.,Integrative Research Center, The Field Museum, Chicago, IL, 60605, USA
| | - Christopher C Witt
- Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, 87131, USA.,Department of Biology, University of New Mexico, Albuquerque, NM, 87131, USA
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Doña J, Serrano D, Mironov S, Montesinos-Navarro A, Jovani R. Unexpected bird-feather mite associations revealed by DNA metabarcoding uncovers a dynamic ecoevolutionary scenario. Mol Ecol 2019; 28:379-390. [PMID: 30536745 DOI: 10.1111/mec.14968] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Accepted: 11/16/2018] [Indexed: 12/24/2022]
Abstract
The high relevance of host-switching for the diversification of highly host-specific symbionts (i.e., those commonly inhabiting a single host species) demands a better understanding of host-switching dynamics at an ecological scale. Here, we used DNA metabarcoding to study feather mites on passerine birds in Spain, sequencing mtDNA (COI) for 25,540 individual mites (representing 64 species) from 1,130 birds (representing 71 species). Surprisingly, 1,228 (4.8%) mites from 84 (7.4%) birds were found on host species that were not the expected to be a host according to a recent bird-feather mite associations catalog. Unexpected associations were widespread across studied mite (40.6%) and bird (43.7%) species and showed smaller average infrapopulation sizes than typical associations. Unexpected mite species colonized hosts being distantly related to the set of their usual hosts, but with similar body size. The network of bird-mite associations was modular (i.e., some groups of bird and mite species tended to be more associated with each other than with the others), with 75.9% of the unexpected associations appearing within the module of the typical hosts of the mite species. Lastly, 68.4% of mite species found on unexpected hosts showed signatures of genetic differentiation, and we found evidence for reproduction or the potential for it in many of the unexpected associations. Results show host colonization as a common phenomenon even for these putatively highly host-specific symbionts. Thus, host-switching by feather mites, rather than a rare phenomenon, appears as a relatively frequent phenomenon shaped by ecological filters such as host morphology and is revealed as a fundamental component for a dynamic coevolutionary and codiversification scenario.
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Affiliation(s)
- Jorge Doña
- Department of Evolutionary Ecology, Estación Biológica de Doñana (EBD-CSIC), Sevilla, Spain
| | - David Serrano
- Department of Conservation Biology, Estación Biológica de Doñana (EBD-CSIC), Sevilla, Spain
| | - Sergey Mironov
- Zoological Institute, Russian Academy of Sciences, Universitetskaya Embankment 1, Saint Petersburg, Russia
| | - Alicia Montesinos-Navarro
- Centro de Investigaciones sobre Desertificación (CSIC-UV-GV), Carretera Moncada-Náquera, Valencia, Spain
| | - Roger Jovani
- Department of Evolutionary Ecology, Estación Biológica de Doñana (EBD-CSIC), Sevilla, Spain
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Eastwood JR, Peacock L, Hall ML, Roast M, Murphy SA, Gonçalves da Silva A, Peters A. Persistent low avian malaria in a tropical species despite high community prevalence. INTERNATIONAL JOURNAL FOR PARASITOLOGY-PARASITES AND WILDLIFE 2019; 8:88-93. [PMID: 30723669 PMCID: PMC6350384 DOI: 10.1016/j.ijppaw.2019.01.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/02/2019] [Accepted: 01/03/2019] [Indexed: 01/28/2023]
Abstract
Malarial and other haemosporidian parasites are widespread; however, their temporal dynamics are ill-understood. Longitudinal sampling of a threatened riparian bird revealed a consistently very low prevalence over 13 years (∼5%) despite infections persisting and prevalence increasing with age. In contrast, three key species within this tropical community were highly infected (∼20–75% prevalence) and these differences were stable. Although we found novel lineages and phylogenetic structure at the local level, there was little geographic structuring within Australasia. This study suggests that malarial parasite susceptibility is determined by host factors and that species can maintain low levels despite high community prevalence. Malarial parasite prevalence varied between species (∼5–75%). Persistent and low prevalence over 12y in a riparian bird. Oldest age category had highest parasite prevalence. Parasites showed genetic structure at the local level but not within Australasia. Tropical species can maintain low malarial parasite levels despite high exposure.
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Affiliation(s)
- Justin R. Eastwood
- School of Biological Sciences, Monash University, 25 Rainforest Walk, Clayton, Victoria, 3800, Australia
- Corresponding author.
| | - Lee Peacock
- School of Biological Sciences, Monash University, 25 Rainforest Walk, Clayton, Victoria, 3800, Australia
| | - Michelle L. Hall
- School of BioSciences, University of Melbourne, Melbourne, Parkville, Victoria, 3010, Australia
- Max Planck Institute for Ornithology, Vogelwarte Radolfzell, Schlossallee 2, D-78315, Radolfzell, Germany
| | - Michael Roast
- School of Biological Sciences, Monash University, 25 Rainforest Walk, Clayton, Victoria, 3800, Australia
| | - Stephen A. Murphy
- Adaptive NRM, Malanda, Queensland, 4885, Australia
- Research Institute for the Environment and Livelihoods, Charles Darwin University, Casuarina, Northern Territory, 0909, Australia
| | - Anders Gonçalves da Silva
- Microbiological Diagnostic Unit Public Health Laboratory, Peter Doherty Institute for Infection and Immunity, The University of Melbourne, Australia
| | - Anne Peters
- School of Biological Sciences, Monash University, 25 Rainforest Walk, Clayton, Victoria, 3800, Australia
- Max Planck Institute for Ornithology, Vogelwarte Radolfzell, Schlossallee 2, D-78315, Radolfzell, Germany
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40
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Sweet AD, Johnson KP. The role of parasite dispersal in shaping a host–parasite system at multiple evolutionary scales. Mol Ecol 2018; 27:5104-5119. [DOI: 10.1111/mec.14937] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 10/13/2018] [Accepted: 10/23/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Andrew D. Sweet
- Illinois Natural History Survey, Prairie Research Institute University of Illinois at Urbana‐Champaign Champaign Illinois
| | - Kevin P. Johnson
- Illinois Natural History Survey, Prairie Research Institute University of Illinois at Urbana‐Champaign Champaign Illinois
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Jones W, Kulma K, Bensch S, Cichoń M, Kerimov A, Krist M, Laaksonen T, Moreno J, Munclinger P, Slater FM, Szöllősi E, Visser ME, Qvarnström A. Interspecific transfer of parasites following a range-shift in Ficedula flycatchers. Ecol Evol 2018; 8:12183-12192. [PMID: 30598810 PMCID: PMC6303764 DOI: 10.1002/ece3.4677] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 09/28/2018] [Accepted: 10/05/2018] [Indexed: 11/07/2022] Open
Abstract
Human-induced climate change is expected to cause major biotic changes in species distributions and thereby including escalation of novel host-parasite associations. Closely related host species that come into secondary contact are especially likely to exchange parasites and pathogens. Both the Enemy Release Hypothesis (where invading hosts escape their original parasites) and the Novel Weapon Hypothesis (where invading hosts bring new parasites that have detrimental effects on native hosts) predict that the local host will be most likely to experience a disadvantage. However, few studies evaluate the occurrence of interspecific parasite transfer by performing wide-scale geographic sampling of pathogen lineages, both within and far from host contact zones. In this study, we investigate how haemosporidian (avian malaria) prevalence and lineage diversity vary in two, closely related species of passerine birds; the pied flycatcher Ficedula hypoleuca and the collared flycatcher F. albicollis in both allopatry and sympatry. We find that host species is generally a better predictor of parasite diversity than location, but both prevalence and diversity of parasites vary widely among populations of the same bird species. We also find a limited and unidirectional transfer of parasites from pied flycatchers to collared flycatchers in a recent contact zone. This study therefore rejects both the Enemy Release Hypothesis and the Novel Weapon Hypothesis and highlights the complexity and importance of studying host-parasite relationships in an era of global climate change and species range shifts.
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Affiliation(s)
- William Jones
- Department of Animal Ecology, Evolutionary Biology CentreUppsala UniversityUppsalaSweden
| | - Katarzyna Kulma
- Department of Animal Ecology, Evolutionary Biology CentreUppsala UniversityUppsalaSweden
| | - Staffan Bensch
- MEMEG, Molecular Ecology and Evolution Group, Department of BiologyLund UniversityLundSweden
| | - Mariusz Cichoń
- Institute of Environmental SciencesJagiellonian UniversityKrakówPoland
| | - Anvar Kerimov
- Faculty of BiologyM.V. Lomonosov Moscow State UniversityMoscowRussia
| | - Miloš Krist
- Department of Zoology and Laboratory of Ornithology, Faculty of SciencePalacky UniversityOlomoucCzech Republic
| | - Toni Laaksonen
- Natural Resources Institute Finland (Luke)TurkuFinland
- Section of Ecology, Department of BiologyUniversity of TurkuTurkuFinland
| | - Juan Moreno
- Departamento de Ecologia EvolutivaMuseo Nacional de Ciencias Naturales (CSIC)MadridSpain
| | - Pavel Munclinger
- Department of Zoology, Faculty of ScienceCharles UniversityPragueCzech Republic
| | | | - Eszter Szöllősi
- Department of Systematic Zoology and EcologyEötvös Loránd UniversityBudapestHungary
| | - Marcel E. Visser
- Department of Animal EcologyNetherlands Institute of Ecology (NIOO‐KNAW)WageningenThe Netherlands
| | - Anna Qvarnström
- Department of Animal Ecology, Evolutionary Biology CentreUppsala UniversityUppsalaSweden
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Avian malaria on Madagascar: prevalence, biodiversity and specialization of haemosporidian parasites. Int J Parasitol 2018; 49:199-210. [PMID: 30471288 DOI: 10.1016/j.ijpara.2018.11.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 10/31/2018] [Accepted: 11/01/2018] [Indexed: 12/18/2022]
Abstract
Previous studies about geographic patterns of species diversity of avian malaria parasites and others in the Order Haemosporida did not include the avian biodiversity hotspot Madagascar. Since there are few data available on avian malaria parasites on Madagascar, we conducted the first known large-scale molecular-based study to investigate their biodiversity. Samples (1067) from 55 bird species were examined by a PCR method amplifying nearly the whole haemosporidian cytochrome b gene (1063 bp). The parasite lineages found were further characterized phylogenetically and the degree of specialization was determined with a newly introduced host diversity index (Hd). Our results demonstrate that Madagascar indeed represents a biodiversity hotspot for avian malaria parasites as we detected 71 genetically distinct parasite lineages of the genera Plasmodium and Haemoproteus. Furthermore, by using a phylogenetic approach and including the sequence divergence we suspect that the detected haemosporidian lineages represent at least 29 groups i.e. proposed species. The here presented Hd values for each parasite regarding host species, genus and family strongly support previous works demonstrating the elastic host ranges of some avian parsites of the Order Haemosporida. Representatives of the avian parasite genera Plasmodium and Leucocytozoon tend to more often be generalists than those of the genus Haemoproteus. However, as demonstrated in various examples, there is a large overlap and single parasite lineages frequently deviate from this rule.
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Pedro R, Claudio N, Elena C, Claudio V. Low occurrence of hemosporidian parasites in the Neotropic cormorant (Phalacrocorax brasilianus) in Chile. Parasitol Res 2018; 118:325-333. [PMID: 30448937 DOI: 10.1007/s00436-018-6146-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 11/12/2018] [Indexed: 02/02/2023]
Abstract
Hemosporidian parasites rarely infect aquatic birds. Few studies have been conducted in South America identifying some lineages of the genera Plasmodium, Leucocytozoon, and Haemoproteus, but none has been done in the Neotropic cormorant (Phalacrocorax brasilianus). This species is widely distributed through the American continent, from Southern USA to Tierra del Fuego, using a wide range of aquatic habitats. We molecularly studied the occurrence and diversity of hemosporidian lineages infecting individuals of Neotropic cormorant across a broad latitudinal gradient in Chile (Arica to Tierra del Fuego). As expected, a very low occurrence of individuals infected by Plasmodium sp. (4/123, 3.3%) and Leucocytozoon sp. (2/123, 1.6%) was detected. We found no evidence of Haemoproteus sp. We identified one lineage of Plasmodium (ZEMAC01) and one new lineage of Leucocytozoon (PHABRA01) infecting cormorants. Individuals infected by Plasmodium sp. were birds from only one site (i.e., Chillán), whereas Leucocytozoon sp. was found in one bird from Valdivia and another one from Tierra del Fuego. Our results expand the known range of hemosporidian parasite lineages in aquatic birds providing an essential baseline data that contribute to a better understanding of the geographic range of hemosporidian parasites infecting Phalacrocoracidae in South America.
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Affiliation(s)
- Rodrigues Pedro
- Instituto de Patología Animal, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Navarrete Claudio
- Instituto de Patología Animal, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Campos Elena
- Instituto de Patología Animal, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile
| | - Verdugo Claudio
- Instituto de Patología Animal, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile. .,Programa de Investigación Aplicada en Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile.
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Nourani L, Aliabadian M, Mirshamsi O, Dinparast Djadid N. Molecular detection and genetic diversity of avian haemosporidian parasites in Iran. PLoS One 2018; 13:e0206638. [PMID: 30412593 PMCID: PMC6226148 DOI: 10.1371/journal.pone.0206638] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2018] [Accepted: 10/16/2018] [Indexed: 11/19/2022] Open
Abstract
Background The mobility of birds across or between continents exposes them to numerous vectors that have the potential to transmit pathogens and spread them into new regions. A combination of rich species diversity of birds along with the small amount of molecular studies in Iran makes observing the blood parasite distribution in wild avian populations indispensable for further estimation and administration of blood parasites. Methodology/Principal findings In order to evaluate the infection rate and molecular context of avian blood parasites, bird samples were collected (passerine = 316 and non-passerine = 14) in eight provinces of northern Iran between June to September 2015 and 2016. All bird samples were examined for haematoprotozoan infections by morphological screening using light microscope and mtDNA cytb gene amplification. A total of 115 birds were positive for blood parasites by molecular approach (34.84% overall infection). The infection rate of Haemoproteus, Plasmodium, and Leucocytozoon were 33.03%, 1.21%, and 0.6%, respectively. Sequences analysis has detected 43 lineages in Iranian birds’ hosts. Lineages were attributed to three genera Haemoproteus (n = 37), Plasmodium (n = 4), and Leucocytozoon (n = 2), of which 23 lineages fully matched previously recorded sequences in GenBank and MalAvi data reciprocities. Five lineages of ACDUM1, ACDUM2, PARUS1, PYERY01, and SISKIN1 were detected in multiple hosts’ species from dissimilar families. In Bayesian tree, all sequences were clustered in three main monophyletic clades as Haemoproteus, Plasmodium, and Leucocytozoon genera. Conclusions/Significance As the first study outlining the molecular detection of hematozoa of passerines from Iran, the current study has recorded 20 new lineages for three genera of Haemoproteus, Plasmodium, and Leucocytozoon. Additional investigations into these taxa in the avifauna for the other parts of Iran may provide extra information on blood parasites, hosts relationships and distribution patterns.
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Affiliation(s)
- Leila Nourani
- Malaria and Vector Research Group (MVRG), Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran
- Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
- * E-mail: (MA); (LN)
| | - Mansour Aliabadian
- Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
- Research Department of Zoological Innovations, Institute of Applied Zoology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
- * E-mail: (MA); (LN)
| | - Omid Mirshamsi
- Department of Biology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
- Research Department of Zoological Innovations, Institute of Applied Zoology, Faculty of Sciences, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Navid Dinparast Djadid
- Malaria and Vector Research Group (MVRG), Biotechnology Research Center (BRC), Pasteur Institute of Iran, Tehran, Iran
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Martinů J, Hypša V, Štefka J. Host specificity driving genetic structure and diversity in ectoparasite populations: Coevolutionary patterns in Apodemus mice and their lice. Ecol Evol 2018; 8:10008-10022. [PMID: 30397443 PMCID: PMC6206178 DOI: 10.1002/ece3.4424] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 07/03/2018] [Accepted: 07/09/2018] [Indexed: 12/29/2022] Open
Abstract
A degree of host specificity, manifested by the processes of host-parasite cospeciations and host switches, is assumed to be a major determinant of parasites' evolution. To understand these patterns and formulate appropriate ecological hypotheses, we need better insight into the coevolutionary processes at the intraspecific level, including the maintenance of genetic diversity and population structure of parasites and their hosts. Here, we address these questions by analyzing large-scale molecular data on the louse Polyplax serrata and its hosts, mice of the genus Apodemus, across a broad range of European localities. Using mitochondrial DNA sequences and microsatellite data, we demonstrate the general genetic correspondence of the Apodemus/Polyplax system to the scenario of the postglacial recolonization of Europe, but we also show several striking discrepancies. Among the most interesting are the evolution of different degrees of host specificity in closely related louse lineages in sympatry, or decoupled population structures of the host and parasites in central Europe. We also find strong support for the prediction that parasites with narrower host specificity possess a lower level of genetic diversity and a deeper pattern of interpopulation structure as a result of limited dispersal and smaller effective population size.
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Affiliation(s)
- Jana Martinů
- Biology Centre CASInstitute of ParasitologyČeské BudějoviceCzech Republic
- Faculty of ScienceUniversity of South BohemiaČeské BudějoviceCzech Republic
| | - Václav Hypša
- Biology Centre CASInstitute of ParasitologyČeské BudějoviceCzech Republic
- Faculty of ScienceUniversity of South BohemiaČeské BudějoviceCzech Republic
| | - Jan Štefka
- Biology Centre CASInstitute of ParasitologyČeské BudějoviceCzech Republic
- Faculty of ScienceUniversity of South BohemiaČeské BudějoviceCzech Republic
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The global biogeography of avian haemosporidian parasites is characterized by local diversification and intercontinental dispersal. Parasitology 2018; 146:213-219. [PMID: 30009719 DOI: 10.1017/s0031182018001130] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The biogeographic histories of parasites and pathogens are infrequently compared with those of free-living species, including their hosts. Documenting the frequency with which parasites and pathogens disperse across geographic regions contributes to understanding not only their evolution, but also the likelihood that they may become emerging infectious diseases. Haemosporidian parasites of birds (parasite genera Plasmodium, Haemoproteus and Leucocytozoon) are globally distributed, dipteran-vectored parasites. To date, over 2000 avian haemosporidian lineages have been designated by molecular barcoding methods. To achieve their current distributions, some lineages must have dispersed long distances, often over water. Here we quantify such events using the global avian haemosporidian database MalAvi and additional records primarily from the Americas. We scored lineages as belonging to one or more global biogeographic regions based on infection records. Most lineages were restricted to a single region but some were globally distributed. We also used part of the cytochrome b gene to create genus-level parasite phylogenies and scored well-supported nodes as having descendant lineages in regional sympatry or allopatry. Descendant sister lineages of Plasmodium, Haemoproteus and Leucocytozoon were distributed in allopatry in 11, 16 and 15% of investigated nodes, respectively. Although a small but significant fraction of the molecular variance in cytochrome b of all three genera could be explained by biogeographic region, global parasite dispersal likely contributed to the majority of the unexplained variance. Our results suggest that avian haemosporidian parasites have faced few geographic barriers to dispersal over their evolutionary history.
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Evolutionary Ecology of Avian Malaria: Past to Present. Trends Parasitol 2018; 34:712-726. [PMID: 29937414 DOI: 10.1016/j.pt.2018.06.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 05/18/2018] [Accepted: 06/03/2018] [Indexed: 12/24/2022]
Abstract
Avian malaria is the oldest experimental system for investigating the biology and transmission of Plasmodium parasites. Recent molecular protocols for detecting and characterizing avian malaria lineages in the field are providing an ever-growing picture of the prevalence, distribution, host range, and diversity hotspots of avian malaria across the world. The unparalleled genetic diversity uncovered rivals anything that has been found in other vertebrate malarias and seems to be matched by an equally rich phenotypic diversity, providing endless opportunities for exploring the selective pressures under which hosts and parasites evolve. We review the most important milestones in avian Plasmodium research and explain why this is a unique animal model to understand the ecology and evolution of malaria.
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48
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Host community heterogeneity and the expression of host specificity in avian haemosporidia in the Western Cape, South Africa. Parasitology 2018; 145:1876-1883. [PMID: 29764529 DOI: 10.1017/s0031182018000665] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Similar patterns of parasite prevalence in animal communities may be driven by a range of different mechanisms. The influences of host heterogeneity and host-parasite interactions in host community assemblages are poorly understood. We sampled birds at 27 wetlands in South Africa to compare four hypotheses explaining how host community heterogeneity influences host specificity in avian haemosporidia communities: the host-neutral hypothesis, the super-spreader hypothesis, the host specialist hypothesis and the heterogeneity hypothesis. A total of 289 birds (29%) were infected with Plasmodium, Haemoproteus and/or Leucocytozoon lineages. Leucocytozoon was the most diverse and generalist parasite genus, and Plasmodium the most conservative. The host-neutral and host specialist hypotheses received the most support in explaining prevalence by lineage (Leucocytozoon) and genus (Plasmodium and Haemoproteus), respectively. We observed that haemosporidian prevalence was potentially amplified or reduced with variation in host and/or parasitic taxonomic levels of analysis. Our results show that Leucocytozoon host abundance and diversity was influential to parasite prevalence at varying taxonomic levels, particularly within heterogeneous host communities. Furthermore, we note that prevalent mechanisms of infection can potentially act as distinct roots for shaping communities of avian haemosporidia.
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Mysteries of host switching: Diversification and host specificity in rodent-coccidia associations. Mol Phylogenet Evol 2018; 127:179-189. [PMID: 29753710 DOI: 10.1016/j.ympev.2018.05.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Revised: 05/09/2018] [Accepted: 05/09/2018] [Indexed: 11/21/2022]
Abstract
Recent studies show that host switching is much more frequent than originally believed and constitutes an important driver in evolution of host-parasite associations. However, its frequency and ecological mechanisms at the population level have been rarely investigated. We address this issue by analyzing phylogeny and population genetics of an extensive sample, from a broad geographic area, for commonly occurring parasites of the genus Eimeria within the abundant rodent genera Apodemus, Microtus and Myodes, using two molecular markers. At the most basal level, we demonstrate polyphyletic arrangement, i.e. multiple origin, of the rodent-specific clusters within the Eimeria phylogeny, and strong genetic/phylogenetic structure within these lineages determined at least partially by specificities to different host groups. However, a novel and the most important observation is a repeated occurrence of host switches among closely related genetic lineages which may become rapidly fixed. Within the studied model, this phenomenon applies particularly to the switches between the eimerians from Apodemus flavicollis/Apodemus sylvaticus and Apodemus agrarius groups. We show that genetic differentiation and isolation between A. flavicollis/A. sylvaticus and A. agrarius faunas is a secondary recent event and does not reflect host-parasite coevolutionary history. Rather, it provides an example of rapid ecology-based differentiation in the parasite population.
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50
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Megía-Palma R, Martínez J, Cuervo JJ, Belliure J, Jiménez-Robles O, Gomes V, Cabido C, Pausas JG, Fitze PS, Martín J, Merino S. Molecular evidence for host-parasite co-speciation between lizards and Schellackia parasites. Int J Parasitol 2018; 48:709-718. [PMID: 29738739 DOI: 10.1016/j.ijpara.2018.03.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 02/25/2018] [Accepted: 03/05/2018] [Indexed: 11/17/2022]
Abstract
Current and past parasite transmission may depend on the overlap of host distributions, potentially affecting parasite specificity and co-evolutionary processes. Nonetheless, parasite diversification may take place in sympatry when parasites are transmitted by vectors with low mobility. Here, we test the co-speciation hypothesis between lizard final hosts of the Family Lacertidae, and blood parasites of the genus Schellackia, which are potentially transmitted by haematophagous mites. The effects of current distributional overlap of host species on parasite specificity are also investigated. We sampled 27 localities on the Iberian Peninsula and three in northern Africa, and collected blood samples from 981 individual lizards of seven genera and 18 species. The overall prevalence of infection by parasites of the genus Schellackia was ∼35%. We detected 16 Schellackia haplotypes of the 18S rRNA gene, revealing that the genus Schellackia is more diverse than previously thought. Phylogenetic analyses showed that Schellackia haplotypes grouped into two main monophyletic clades, the first including those detected in host species endemic to the Mediterranean region and the second those detected in host genera Acanthodactylus, Zootoca and Takydromus. All but one of the Schellackia haplotypes exhibited a high degree of host specificity at the generic level and 78.5% of them exclusively infected single host species. Some host species within the genera Podarcis (six species) and Iberolacerta (two species) were infected by three non-specific haplotypes of Schellackia, suggesting that host switching might have positively influenced past diversification of the genus. However, the results supported the idea that current host switching is rare because there existed a significant positive correlation between the number of exclusive parasite haplotypes and the number of host species with current sympatric distribution. This result, together with significant support for host-parasite molecular co-speciation, suggests that parasites of the genus Schellackia co-evolved with their lizard hosts.
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Affiliation(s)
- Rodrigo Megía-Palma
- Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, E-28006 Madrid, Spain.
| | - Javier Martínez
- Departamento de Biomedicina y Biotecnología, Área de Parasitología, Facultad de Farmacia, Universidad de Alcalá de Henares, E-28805 Alcalá de Henares, Madrid, Spain
| | - José J Cuervo
- Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, E-28006 Madrid, Spain
| | - Josabel Belliure
- Departamento de Ciencias de la Vida, Sección de Ecología, Universidad de Alcalá, E-28805 Alcalá de Henares, Madrid, Spain
| | - Octavio Jiménez-Robles
- Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, E-28006 Madrid, Spain
| | - Verónica Gomes
- CIBIO/InBIO, Centro de Investigação em Biodiversidade e Recursos Genéticos - Universidade de Évora, 7004-516 Évora, Portugal
| | - Carlos Cabido
- Departamento de Herpetología, Sociedad de Ciencias Aranzadi, Alto de Zorroaga 11, E-20014 San Sebastián, Spain
| | - Juli G Pausas
- Centro de Investigaciones sobre Desertificación (CIDE-CSIC), Ctra. CV-315, Km 10.7 (IVIA), E-46113 Moncada, Valencia, Spain
| | - Patrick S Fitze
- Departamento de Biodiversidad y Biología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, E-28006 Madrid, Spain; Instituto Pirenaico de Ecología (IPE-CSIC), Av. Nuestra Señora de la Victoria 16, E-22700 Jaca, Spain
| | - José Martín
- Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, E-28006 Madrid, Spain
| | - Santiago Merino
- Departamento de Ecología Evolutiva, Museo Nacional de Ciencias Naturales (MNCN-CSIC), José Gutiérrez Abascal 2, E-28006 Madrid, Spain
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