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Esposito A, Denys GPJ, Haÿ V, Agostini PJ, Foata J, Quilichini Y. Unregulated introduced fish (Perca fluviatilis Linnaeus, 1758) is host to zoonotic parasites in a small Mediterranean island. Parasitol Res 2024; 123:247. [PMID: 38898308 DOI: 10.1007/s00436-024-08264-4] [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: 02/02/2024] [Accepted: 06/05/2024] [Indexed: 06/21/2024]
Abstract
Introduced species have a major impact on freshwater ecosystems, particularly on islands. Numerous fish species have been introduced in Corsica (Mediterranean island, southern France) as part of planned programs or clandestinely. The introduction of non-native freshwater fish species can have a range of impacts on the recipient ecosystem, including through the co-introduction of its pathogens. A sample of introduced perch Perca fluviatilis Linnaeus, 1758 from the artificial reservoir of Padula was examined following a report of parasites by an angler. The analyses revealed the occurrence of Eustrongylides sp. (Nematoda) and Clinostomum complanatum (Digenea), two zoonotic parasites in P. fluviatilis. Both parasites are reported for the first time in France. Eustrongylides sp. and C. complanatum may have been introduced with their fish intermediate hosts or through their final bird hosts. The occurrence of the two parasites raises concerns from both a veterinary and human health perspective as they can use a wide range of amphibians as intermediate hosts and can be acquired in humans through the consumption of raw or undercooked fish.
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Affiliation(s)
- Anaïs Esposito
- Unité Mixte de Recherche Sciences Pour L'Environnement (UMR 6134 CNRS - Université de Corse Pascal Paoli), 20250, Corte, France.
| | - Gaël P J Denys
- Unité d'Appui à la Recherche Patrimoine naturel - Centre d'expertise et de données (UMS 2006 OFB - CNRS - MNHN - IRD), Muséum National d'Histoire Naturelle, 36 Rue Geoffroy-Saint-Hilaire CP 41, 75005, Paris, France
- Unité Mixte de Recherche Biologie des organismes et écosystèmes aquatiques (BOREA - MNHN, CNRS, IRD, SU, UCN, UA), 57 Rue Cuvier CP26, 75005, Paris, France
| | - Vincent Haÿ
- Unité d'Appui à la Recherche Patrimoine naturel - Centre d'expertise et de données (UMS 2006 OFB - CNRS - MNHN - IRD), Muséum National d'Histoire Naturelle, 36 Rue Geoffroy-Saint-Hilaire CP 41, 75005, Paris, France
- Unité Mixte de Recherche Biologie des organismes et écosystèmes aquatiques (BOREA - MNHN, CNRS, IRD, SU, UCN, UA), 57 Rue Cuvier CP26, 75005, Paris, France
| | | | - Joséphine Foata
- Unité Mixte de Recherche Sciences Pour L'Environnement (UMR 6134 CNRS - Université de Corse Pascal Paoli), 20250, Corte, France
| | - Yann Quilichini
- Unité Mixte de Recherche Sciences Pour L'Environnement (UMR 6134 CNRS - Université de Corse Pascal Paoli), 20250, Corte, France.
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Almeida D, Alcaraz-Hernández JD, Cruz A, Lantero E, Fletcher DH, García-Berthou E. Seasonal Effects on Health Status and Parasitological Traits of an Invasive Minnow in Iberian Waters. Animals (Basel) 2024; 14:1502. [PMID: 38791719 PMCID: PMC11117210 DOI: 10.3390/ani14101502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/10/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
Biological invasions are of special conservation concern in the Iberian Peninsula and other regions with high levels of endemism. Environmental variability, such as the seasonal fluctuations of Mediterranean streams, is a key factor that affects the spread of aquatic species in novel habitats. Fish parasites have a great potential to reflect such changes in the habitat features of freshwater ecosystems. The aim of this study consisted of seasonally analysing the health status and parasitological traits of non-native fish in Iberian waters. In particular, a strongly invasive population of Languedoc minnow Phoxinus septimaniae (leuciscid species native to south-east France) was assessed in Tordera Stream (north-eastern Iberian Peninsula, Mediterranean conditions). Fish were sampled in April, July, and October 2023 by electrofishing. Health status (external/internal organs) was significantly better in autumn (HAI = 28.8) than spring (HAI = 35.6). Life-cycle complexity was higher in spring (LCI = 1.98), whereas parasite abundance and Shannon diversity were significantly lower in autumn (TA = 19.6 and H' = 2.15, respectively). In October (more 'benign' environmental conditions in Iberian streams), minnows could display elevated foraging activity, with fish increasing their health condition and level of parasite resistance/tolerance. Overall results showed a particular seasonal profile of health and parasite infra-communities that allow this minnow species to thrive under highly fluctuating habitat conditions. This information could help environmental managers to control non-native fish in Mediterranean streams.
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Affiliation(s)
- David Almeida
- Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, Spain; (A.C.); (E.L.)
- GRECO, Institute of Aquatic Ecology, University of Girona, M. Aurèlia Capmany 69, 17003 Girona, Spain; (J.D.A.-H.); (E.G.-B.)
| | - Juan Diego Alcaraz-Hernández
- GRECO, Institute of Aquatic Ecology, University of Girona, M. Aurèlia Capmany 69, 17003 Girona, Spain; (J.D.A.-H.); (E.G.-B.)
- TRAGSATEC Group, 28037 Madrid, Spain
| | - Alejandra Cruz
- Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, Spain; (A.C.); (E.L.)
| | - Esther Lantero
- Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, 28660 Boadilla del Monte, Spain; (A.C.); (E.L.)
| | - David H. Fletcher
- UK Centre for Ecology and Hydrology, Environment Centre Wales, Bangor LL57 2UW, UK;
| | - Emili García-Berthou
- GRECO, Institute of Aquatic Ecology, University of Girona, M. Aurèlia Capmany 69, 17003 Girona, Spain; (J.D.A.-H.); (E.G.-B.)
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3
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Scholz T, Davidovich N. Amirthalingamia macracantha. Trends Parasitol 2024; 40:429-430. [PMID: 38336599 DOI: 10.1016/j.pt.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 01/23/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024]
Affiliation(s)
- Tomáš Scholz
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branišovská 31, 370 05 České Budějovice, Czech Republic.
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4
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Dudliv I, Kvach Y, Tkachenko MY, Nazaruk K, Ondračková M. Comparative Analysis of Parasite Load on Recently Established Invasive Pumpkinseed Lepomis gibbosus (Actinopterygii: Centrarchidae) in Europe. Acta Parasitol 2024; 69:819-830. [PMID: 38429543 PMCID: PMC11001714 DOI: 10.1007/s11686-024-00794-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/12/2024] [Indexed: 03/03/2024]
Abstract
PURPOSE The aim of this study was the comparative analysis of the parasite communities of new populations of invasive pumpkinseed (Lepomis gibbosus) in western Ukraine with pumpkinseed from Czechia, where populations have rapidly expanded over the last two decades. METHODS Sampling took place at three localities in the western part of Ukraine (i.e. Dobrotvir Reservoir (Vistula basin), Burshtyn Reservoir (Dniester basin), Mynai Pond (Danube basin)) and four in Czechia (i.e. Oxbow D2, Heršpický Pond (Danube basin), and Kolín oxbow and Římov Reservoir (Elbe basin). RESULTS In total, 11 parasite taxa were recorded in Ukraine and 17 in Czechia. Four species were co-introduced from North America with their host, i.e. the myxosporean Myxobolus dechtiari, the monogeneans Onchocleidus dispar and Onchocleidus similis, and metacercariae of a trematode Posthodiplostomum centrarchi. High dominance indices were related to a high abundance of co-introduced parasites, i.e. O. similis in Mynai pond and P. centrarchi in Dobrotvir Reservoir. Overall abundance of acquired parasites was generally low. CONCLUSION This study shows that parasite communities in recently established pumpkinseed populations in the western part of Ukraine and Czechia are less diverse than those established in Europe for decades. The generally low parasite load in these new populations may play an important role in their ability to successfully establish and create strong populations by providing a competitive advantage over local species.
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Affiliation(s)
- Ivanna Dudliv
- Department of Zoology, Ivan Franko National University of Lviv, Hrushevskyi Str. 4, Lviv, 79005, Ukraine.
| | - Yuriy Kvach
- Institute of Vertebrate Biology of the Czech Academy of Sciences, Brno, Czech Republic
- Institute of Marine Biology, National Academy of Sciences of Ukraine, Odesa, Ukraine
| | - Maria Yu Tkachenko
- Institute of Vertebrate Biology of the Czech Academy of Sciences, Brno, Czech Republic
| | - Kateryna Nazaruk
- Department of Zoology, Ivan Franko National University of Lviv, Hrushevskyi Str. 4, Lviv, 79005, Ukraine
| | - Markéta Ondračková
- Institute of Vertebrate Biology of the Czech Academy of Sciences, Brno, Czech Republic
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Penczykowski RM, Fearon ML, Hite JL, Shocket MS, Hall SR, Duffy MA. Pathways linking nutrient enrichment, habitat structure, and parasitism to host-resource interactions. Oecologia 2024; 204:439-449. [PMID: 37951848 DOI: 10.1007/s00442-023-05469-9] [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: 02/16/2023] [Accepted: 10/13/2023] [Indexed: 11/14/2023]
Abstract
Human activities simultaneously alter nutrient levels, habitat structure, and levels of parasitism. These activities likely have individual and joint impacts on food webs. Furthermore, there is particular concern that nutrient additions and changes to habitat structure might exacerbate the size of epidemics and impacts on host density. We used a well-studied zooplankton-fungus host-parasite system and experimental whole water column enclosures to factorially manipulate nutrient levels, habitat structure (specifically: mixing), and presence of parasites. Nutrient addition increased infection prevalence, density of infected hosts, and total host density. We hypothesized that nutrients, mixing, and parasitism were linked in multiple ways, including via their combined effects on phytoplankton (resource) abundance, and we used structural equation modeling to disentangle these pathways. In the absence of the parasite, both nutrients and mixing increased abundance of phytoplankton, whereas host density was negatively related to phytoplankton abundance, suggesting a mixture of bottom-up and top-down control of phytoplankton. In the presence of the parasite, nutrients still increased phytoplankton abundance but mixing no longer did, and there was no longer a significant relationship between host density and phytoplankton. This decoupling of host-resource dynamics may have resulted from reduced grazing due to illness-mediated changes in feeding behavior. Overall, our results show that the impact of one human activity (e.g., altered habitat structure) might depend on other human impacts (e.g., parasite introduction). Fortunately, carefully designed experiments and analyses can help tease apart these multifaceted relationships, allowing us to understand how human activities alter food webs, including interactions between hosts and their parasites and resources.
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Affiliation(s)
- Rachel M Penczykowski
- School of Biology, Georgia Institute of Technology, Atlanta, GA, 30332, USA.
- Department of Biology, Washington University in St. Louis, St. Louis, MO, 63130, USA.
| | - Michelle L Fearon
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Jessica L Hite
- Department of Biology, Indiana University, Bloomington, IN, 47405, USA
- Department of Pathobiological Sciences, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Marta S Shocket
- Department of Biology, Indiana University, Bloomington, IN, 47405, USA
- Department of Geography, University of Florida, Gainesville, FL, 32611, USA
| | - Spencer R Hall
- Department of Biology, Indiana University, Bloomington, IN, 47405, USA
| | - Meghan A Duffy
- School of Biology, Georgia Institute of Technology, Atlanta, GA, 30332, USA
- Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI, 48109, USA
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6
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Benovics M, Rahmouni C, Řehulková E, Nejat F, Šimková A. Uncovering the monogenean species diversity of cyprinoid fish in Iraq using an integrative approach. Parasitology 2024; 151:220-246. [PMID: 38116665 PMCID: PMC10941050 DOI: 10.1017/s0031182023001348] [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: 09/06/2023] [Revised: 11/28/2023] [Accepted: 12/08/2023] [Indexed: 12/21/2023]
Abstract
The freshwaters of Iraq harbour a high diversity of endemic and phylogenetically unique species. One of the most diversified fish groups in this region is cyprinoids, and although their distribution is relatively well known, their monogenean parasites have only rarely been investigated. Herein, we applied an integrative approach, combining morphology with molecular data, to assess the diversity and phylogeny of cyprinoid-associated monogenean parasites. A total of 33 monogenean species were collected and identified from 13 endemic cyprinoid species. The highest species diversity was recorded for Dactylogyrus (Dactylogyridae, 16 species) and Gyrodactylus (Gyrodactylidae, 12 species). Four species of Dactylogyrus and 12 species of Gyrodactylus were identified as new to science and described. Two other genera, Dogielius (Dactylogyridae) and Paradiplozoon (Diplozoidae), were represented only by 4 and 1 species, respectively. Phylogenetic analyses of the Dactylogyrus and Gyrodactylus species revealed that the local congeners do not form a monophyletic group and are phylogenetically closely related to species from other regions (i.e. Europe, North Africa and Eastern Asia). These findings support the assumption that the Middle East served as an important historical crossroads for the interchange of fauna between these 3 geographic regions.
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Affiliation(s)
- M. Benovics
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
- Department of Zoology, Faculty of Sciences, Comenius University in Bratislava, Bratislava, Slovakia
| | - C. Rahmouni
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - E. Řehulková
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - F. Nejat
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
| | - A. Šimková
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czech Republic
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Tkachenko MY, Dudliv I, Kvach Y, Dykyi I, Nazaruk K, Ondračková M. First data on parasites of the invasive brown bullhead Ameiurus nebulosus (Siluriformes: Ictaluridae) in Ukraine. Helminthologia 2023; 60:357-369. [PMID: 38222490 PMCID: PMC10787633 DOI: 10.2478/helm-2023-0035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Accepted: 08/04/2023] [Indexed: 01/16/2024] Open
Abstract
This study describes the parasite community of non-native brown bullhead, Ameiurus nebulosus (Actinopterygii: Ictaluridae), collected at three sites in the river Vistula Basin (Lake Svitiaz, Lake Pisochne, and Lake on Plastova) and one site in the river Diester Basin (Lake Stryiska), in Ukraine. Our data represent the first comprehensive study of parasite community in this fish species in Europe. Sixteen parasite taxa were found, including species co-introduced from North America and species acquired in the European range. Maximum parasite richness (13 spp.) was recorded in Lake Svitiaz situated in a Natural Protected Area, while lowest species richness (3 spp.) was observed at Lake on Plastova, an artificial pond in the city of Lviv. Three co-introduced monogenean species, Gyrodactylus nebulosus, Ligictaluridus pricei and Ligictaluridus monticellii, are recorded in Ukraine for the first time, widening the knowledge of the European distribution of these North American parasites. Metric features for hard parts of invasive and native monogeneans showed overlap in ligictalurid parasites, but slightly smaller metrics in Ukrainian G. nebulosus, possibly reflecting water temperature during fish sampling. Though prevalence and abundance of acquired parasites was relatively low, infection parameters for metacercariae of Diplostomum spp. were relatively high at Lake Svitiaz and the natural Lake Stryiska in Lviv. In two lakes in the Vistula basin, we found high prevalence and abundance of Anguillicola crassus, an Asian nematode infecting eels, possibly supporting the invasional meltdown hypothesis. Our study confirms both further spread of non-native parasites in Europe and use of non-native fish as competent hosts for local native and introduced parasites.
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Affiliation(s)
- M. Yu. Tkachenko
- Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 00Brno, Czech Republic
| | - I. Dudliv
- Department of Zoology, Ivan Franko National University of Lviv, Hrushevskyi Street 4, 79005Lviv, Ukraine
| | - Y. Kvach
- Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 00Brno, Czech Republic
- Institute of Marine Biology, National Academy of Sciences of Ukraine, 37 Pushkinska Street, 65048Odesa, Ukraine
| | - I. Dykyi
- Department of Zoology, Ivan Franko National University of Lviv, Hrushevskyi Street 4, 79005Lviv, Ukraine
| | - K. Nazaruk
- Department of Zoology, Ivan Franko National University of Lviv, Hrushevskyi Street 4, 79005Lviv, Ukraine
| | - M. Ondračková
- Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 00Brno, Czech Republic
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Viozzi G, Rauque C, Flores V, Vega R, Waicheim A. A regional scale study of parasites in Percichthys trucha, an endemic fish of southern South America: insights on diversity and distribution from two decades of field surveys. Parasitol Res 2023; 122:2667-2689. [PMID: 37707608 DOI: 10.1007/s00436-023-07970-9] [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: 07/28/2023] [Accepted: 09/05/2023] [Indexed: 09/15/2023]
Abstract
The current conservation status of Percichthys trucha (Creole perch) is Least Concern, although the population trend is considered to be decreasing. We conducted an extensive survey of parasite fauna in this species over two decades in its distribution range in Argentina. Fish were collected using gill and trawl nets. Parasites were collected, identified, and counted to calculate prevalence and mean intensity. The present work reports the parasite species infecting P. trucha, using data from our own survey and from previously published records. This information enables us to evaluate infection and distribution patterns, assess the role of P. trucha as host, determine the specificity of the parasites, and evaluate the threat represented by introduced, invasive parasites. The data set consists of a total of 453 host-parasite-locality records, of which only 15 are exclusively bibliographic. We found 44 parasite taxa: 19 digeneans, 4 monogeneans, 5 cestodes, 8 nematodes, 4 acanthocephalans, 3 crustaceans, and 1 mollusk. The most represented families were Diplostomidae, Heterophyidae, and Dactylogyridae. This study increases the number of parasite species known from 25 to 44. It can be concluded that this parasite fauna is characterized by high diversity, particularly of digeneans, and most of the parasites reproduce within this host, a pattern which is related to the top position of this fish species in the trophic webs. Six parasite species (Allocreadium patagonicum, Homalometron papilliferum, Acanthostomoides apophalliformis, Duplaccessorius andinus, Pseudodelphys limnicola, and Hysterothylacium patagonense) exhibit high host specificity (only matures in Creole perches) and are widely distributed, which could now be considered as "biogeographical core helminth fauna." Some P. trucha populations are affected by the invasion of alien fishes like Cyprinus carpio and pathogenic parasites like Lernaea cyprinacea and Schizocotyle acheilognathi. Our findings emphasize the need for further research.
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Affiliation(s)
- Gustavo Viozzi
- Laboratorio de Parasitología-INIBIOMA (CONICET-Universidad Nacional del Comahue), Avda. Quintral 1250, 8400, San Carlos de Bariloche, Río Negro, Argentina
| | - Carlos Rauque
- Laboratorio de Parasitología-INIBIOMA (CONICET-Universidad Nacional del Comahue), Avda. Quintral 1250, 8400, San Carlos de Bariloche, Río Negro, Argentina
| | - Verónica Flores
- Laboratorio de Parasitología-INIBIOMA (CONICET-Universidad Nacional del Comahue), Avda. Quintral 1250, 8400, San Carlos de Bariloche, Río Negro, Argentina.
| | - Rocío Vega
- Laboratorio de Parasitología-INIBIOMA (CONICET-Universidad Nacional del Comahue), Avda. Quintral 1250, 8400, San Carlos de Bariloche, Río Negro, Argentina
| | - Agustina Waicheim
- Laboratorio de Parasitología-INIBIOMA (CONICET-Universidad Nacional del Comahue), Avda. Quintral 1250, 8400, San Carlos de Bariloche, Río Negro, Argentina
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Niedrist GH, Hilpold A, Kranebitter P. Unveiling the rise of non-native fishes in eastern alpine mountain rivers: Population trends and implications. JOURNAL OF FISH BIOLOGY 2023; 103:1085-1094. [PMID: 37495556 DOI: 10.1111/jfb.15508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 06/28/2023] [Accepted: 07/22/2023] [Indexed: 07/28/2023]
Abstract
Insufficient knowledge about the occurrence and spread of non-native fish in mountain regions has impeded effective management strategies worldwide. To address this gap, this study analysed over 1300 electrofishing surveys across 650 sites, encompassing a vast 7400 km2 area in the Eastern Alps. The primary objectives were to quantify the occurrence of non-native species and predict their spread in different river types. Furthermore, the study estimated population sizes and biomass trends for over 150 sites that were surveyed multiple times between 2000 and 2020. Out of the 42 fish species in the study region, 11 were identified as non-native. Notably, two invasive species of Union concern, Lepomis gibbosus and Pseudorasbora parva, increased their population sizes by 8% and 9% per year, over the past decades, supposedly supported by increasing water temperatures. Among the non-native species relevant for recreational fishing, Oncorhynchus mykiss populations showed a significant increase of approximately 7% per year, Salmo trutta populations remained stable, and Salvelinus fontinalis populations experienced a notable decline of approximately 7.4% per year. These varying population trends may be attributed to disparities in stocking intensities, with S. fontinalis receiving minimal stocking compared to the other species. This study revealed that non-native and invasive fish species are a relevant part of fish communities in mountain rivers. Non-salmonid non-natives thrive in warm rivers at lower elevations, whereas salmonid non-natives consolidate in steeper habitats. Because rising temperatures in mountain rivers will accelerate the spread and growth of these species, this first quantification of the current extent will improve fish management strategies in mountainous areas.
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Affiliation(s)
- G H Niedrist
- Museum of Nature South Tyrol, Bolzano, Italy
- River and Conservation Research, Department of Ecology, University of Innsbruck, Innsbruck, Austria
| | - A Hilpold
- Institute for Alpine Environment, Eurac Research, Bolzano, Italy
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10
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Juarez-Estrada MA, Graham D, Hernandez-Velasco X, Tellez-Isaias G. Editorial: Parasitism: the good, the bad and the ugly. Front Vet Sci 2023; 10:1304206. [PMID: 37915945 PMCID: PMC10616899 DOI: 10.3389/fvets.2023.1304206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 10/06/2023] [Indexed: 11/03/2023] Open
Affiliation(s)
- Marco A. Juarez-Estrada
- Department of Medicine and Zootechnics of Birds, College of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico, Mexico City, Mexico
| | - Danielle Graham
- Division of Agriculture, Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Xochitl Hernandez-Velasco
- Department of Medicine and Zootechnics of Birds, College of Veterinary Medicine and Zootechnics, National Autonomous University of Mexico, Mexico City, Mexico
| | - Guillermo Tellez-Isaias
- Division of Agriculture, Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
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Raja RA, Patil PK, Avunje S, Kumaran M, Periyakaruppan A, Kondusamy A, De D, Jithendran KP, Alavandi SV, Vijayan KK. Natural infestation of an anchor worm, Lernaea sp. in cage culture of Asian Seabass, Lates calcarifer juveniles and its control using an anti-parasitic drug, emamectin benzoate. J Parasit Dis 2023; 47:306-318. [PMID: 37193509 PMCID: PMC10182207 DOI: 10.1007/s12639-023-01571-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 02/14/2023] [Indexed: 02/25/2023] Open
Abstract
Parasitic infestations and their control programmes are one among the challenges to be considered the most significant in aquaculture. A parasitic infestation was studied elaborately in Asian Seabass, Lates calcarifer juveniles with clinical signs, post-mortem findings, morphological and molecular identifications. In addition, those fish were also treated with emamectin benzoate (EMB) @ 50 µg kg-1 of fish body weight (BW) d-1 for 10 consecutive days under the controlled wet lab facility by feeding through the medicated feed at 4% BW. Results showed that the parasitic prevalence, parasitic intensity (PI) and mortality were 45.5%, 8.17 ± 0.15 per fish and 40% over a period of one week in that existing cage culture. The parasite was identified as a crustacean bloodsucker, anchor worm Lernaea sp. and EMB was found to be 100% effective with significant reduction in PI over a period of 10 days with improved survival rate of 90% against the untreated group. Infested but treated group revealed substantial haematological improvement in parameters such as RBC, WBC, Hb, PCV, large lymphocytes, small lymphocytes and total lymphocytes (P < 0.01). Similarly, comparative histopathology of vital organs also revealed no discernible lesions between the healthy and treated fish juvenile as compared to that of infested untreated group. Hence, EMB can be used to control the Lernaea sp. infestation in Asian Seabass.
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Affiliation(s)
- Ramalingam Ananda Raja
- Aquatic Animal Health and Environment Division, ICAR-Central Institute of Brackishwater Aquaculture, Chennai, Tamil Nadu 600 028 India
| | - Prasanna Kumar Patil
- Aquatic Animal Health and Environment Division, ICAR-Central Institute of Brackishwater Aquaculture, Chennai, Tamil Nadu 600 028 India
| | - Sathesha Avunje
- Aquatic Animal Health and Environment Division, ICAR-Central Institute of Brackishwater Aquaculture, Chennai, Tamil Nadu 600 028 India
| | - Mariappan Kumaran
- Social Science Division, ICAR-Central Institute of Brackishwater Aquaculture, Chennai, Tamil Nadu 600 028 India
| | - Anand Periyakaruppan
- Social Science Division, ICAR-Central Institute of Brackishwater Aquaculture, Chennai, Tamil Nadu 600 028 India
| | - Ambasankar Kondusamy
- Nutrition and Biotechnology Division, ICAR-Central Institute of Brackishwater Aquaculture, Chennai, Tamil Nadu 600 028 India
| | - Debasis De
- Nutrition and Biotechnology Division, ICAR-Central Institute of Brackishwater Aquaculture, Chennai, Tamil Nadu 600 028 India
| | | | - Shankar Vinayakarao Alavandi
- Aquatic Animal Health and Environment Division, ICAR-Central Institute of Brackishwater Aquaculture, Chennai, Tamil Nadu 600 028 India
| | - Koyadan Kizhakedath Vijayan
- Aquatic Animal Health and Environment Division, ICAR-Central Institute of Brackishwater Aquaculture, Chennai, Tamil Nadu 600 028 India
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12
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Wauters LA, Lurz PWW, Santicchia F, Romeo C, Ferrari N, Martinoli A, Gurnell J. Interactions between native and invasive species: A systematic review of the red squirrel-gray squirrel paradigm. Front Ecol Evol 2023. [DOI: 10.3389/fevo.2023.1083008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
Abstract
The eastern gray squirrel (Sciurus carolinensis) has been labeled as one of the 100 worst invasive alien species by the IUCN. In Europe, the species has been introduced to Britain, Ireland and Italy, and its subsequent spread has resulted in wide-scale extinction of native Eurasian red squirrels (Sciurus vulgaris) from the areas colonized by the gray squirrel. This replacement of a native by an alien competitor is one of the best documented cases of the devastating effects of biological invasions on native fauna. To understand how this replacement occurs, we present a systematic review of the literature on competition and interactions between red and gray squirrels. We describe the patterns of red and gray squirrel distribution in those parts of Europe where gray squirrels occur and summarize the evidence on the different processes and mechanisms determining the outcome of competition between the native and alien species including the influence of predators and pathogens. Some of the drivers behind the demise of the red squirrel have been intensively studied and documented in the past 30 years, but recent field studies and mathematical models revealed that the mechanisms underlying the red-gray paradigm are more complex than previously thought and affected by landscape-level processes. Therefore, we consider habitat type and multi-species interactions, including host-parasite and predator-prey relationships, to determine the outcome of the interaction between the two species and to better address gray squirrel control efforts.
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13
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Quinn EA, Malkin SH, Thomas JE, Rowley AF, Coates CJ. Histopathological survey of putative parasites and pathogens in non-native slipper limpets Crepidula fornicata. DISEASES OF AQUATIC ORGANISMS 2023; 153:69-79. [PMID: 36861899 DOI: 10.3354/dao03722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Two populations of the invasive slipper limpet Crepidula fornicata were sampled in Swansea Bay and Milford Haven, Wales, UK, to determine the presence of putative pathogens and parasites known to affect co-located commercially important shellfish (e.g. oysters). A multi-resource screen, including molecular and histological diagnoses, was used to assess 1800 individuals over 12 mo for microparasites, notably haplosporidians, microsporidians and paramyxids. Although initial PCR-based methods suggested the presence of these microparasites, there was no evidence of infection when assessed histologically, or when all PCR amplicons (n = 294) were sequenced. Whole tissue histology of 305 individuals revealed turbellarians in the lumen of the alimentary canal, in addition to unusual cells of unknown origin in the epithelial lining. In total, 6% of C. fornicata screened histologically harboured turbellarians, and approximately 33% contained the abnormal cells-so named due to their altered cytoplasm and condensed chromatin. A small number of limpets (~1%) also had pathologies in the digestive gland including tubule necrosis, haemocytic infiltration and sloughed cells in the tubule lumen. Overall, these data suggest that C. fornicata are not susceptible to substantive infections by microparasites outside of their native range, which may contribute in part to their invasion success.
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Affiliation(s)
- Emma A Quinn
- Department of Biosciences, Faculty of Science and Engineering, Swansea University, Swansea SA2 8PP, UK
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14
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Sarabeev V, Balbuena J, Jarosiewicz A, Voronova N, Sueiro R, Leiro J, Ovcharenko M. Disentangling the determinants of symbiotic species richness in native and invasive gammarids (Crustacea, Amphipoda) of the Baltic region. Int J Parasitol 2023; 53:305-316. [PMID: 37004736 DOI: 10.1016/j.ijpara.2023.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 02/04/2023] [Accepted: 02/21/2023] [Indexed: 04/03/2023]
Abstract
Dispersal of alien species is a global problem threatening native biodiversity. Co-introduction of non-native parasites and pathogens adds to the severity of this threat, but this indirect impact has received less attention. To shed light on the key factors determining the richness of microorganisms in native and invasive host species, we compared symbiotic (parasitic and epibiotic) communities of gammarids across different habitats and localities along the Baltic coast of Poland. Seven gammarid species, two native and five invasive, were sampled from 16 freshwater and brackish localities. Sixty symbiotic species of microorganisms of nine phyla were identified. This taxonomically diverse species assemblage of symbionts allowed us to assess the effect of host translocation and regional ecological determinants driving assembly richness in the gammarid hosts. Our results revealed that (i) the current assemblages of symbionts of gammarid hosts in the Baltic region are formed by native and co-introduced species; (ii) species richness of the symbiotic community was higher in the native Gammarus pulex than in the invasive hosts, probably reflecting a process of species loss by invasive gammarids in the new area and the distinct habitat conditions occupied by G. pulex and invasive hosts; (iii) both host species and locality were key drivers shaping assembly composition of symbionts, whereas habitat condition (freshwater versus brackish) was a stronger determinant of communities than geographic distance; (iv) the dispersion patterns of the individual species richness of symbiotic communities were best described by Poisson distributions; in the case of an invasive host, the dispersion of the rich species diversity may switch to a right-skewed negative binomial distribution, suggesting a host-mediated regulation process. We believe this is the first analysis of the symbiotic species richness in native and invasive gammarid hosts in European waters based on original field data and a broad range of taxonomic groups including Microsporidia, Choanozoa, Ciliophora, Apicomplexa, Platyhelminthes, Nematoda, Nematomorha, Acanthocephala and Rotifera, to document the patterns of species composition and distribution.
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15
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Wood CL, Vanhove MPM. Is the world wormier than it used to be? We'll never know without natural history collections. J Anim Ecol 2023; 92:250-262. [PMID: 35959636 DOI: 10.1111/1365-2656.13794] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 07/25/2022] [Indexed: 11/28/2022]
Abstract
Many disease ecologists and conservation biologists believe that the world is wormier than it used to be-that is, that parasites are increasing in abundance through time. This argument is intuitively appealing. Ecologists typically see parasitic infections, through their association with disease, as a negative endpoint, and are accustomed to attributing negative outcomes to human interference in the environment, so it slots neatly into our worldview that habitat destruction, biodiversity loss and climate change should have the collateral consequence of causing outbreaks of parasites. But surprisingly, the hypothesis that parasites are increasing in abundance through time remains entirely untested for the vast majority of wildlife parasite species. Historical data on parasites are nearly impossible to find, which leaves no baseline against which to compare contemporary parasite burdens. If we want to know whether the world is wormier than it used to be, there is only one major research avenue that will lead to an answer: parasitological examination of specimens preserved in natural history collections. Recent advances demonstrate that, for many specimen types, it is possible to extract reliable data on parasite presence and abundance. There are millions of suitable specimens that exist in collections around the world. When paired with contemporaneous environmental data, these parasitological data could even point to potential drivers of change in parasite abundance, including climate, pollution or host density change. We explain how to use preserved specimens to address pressing questions in parasite ecology, give a few key examples of how collections-based parasite ecology can resolve these questions, identify some pitfalls and workarounds, and suggest promising areas for research. Natural history specimens are 'parasite time capsules' that give ecologists the opportunity to test whether infectious disease is on the rise and to identify what forces might be driving these changes over time. This approach will facilitate major advances in a new sub-discipline: the historical ecology of parasitism.
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Affiliation(s)
- Chelsea L Wood
- School of Aquatic and Fishery Sciences, University of Washington, Seattle, WA, USA
| | - Maarten P M Vanhove
- Centre for Environmental Sciences, Research Group Zoology: Biodiversity & Toxicology, Hasselt University, Diepenbeek, Belgium
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16
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Kiene F, Springer A, Andriatsitohaina B, Ramsay MS, Rakotondravony R, Strube C, Radespiel U. Filarial infections in lemurs: Evidence for a wide geographical distribution and low host specificity among lemur species. Am J Primatol 2023; 85:e23458. [PMID: 36504317 DOI: 10.1002/ajp.23458] [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: 06/20/2022] [Revised: 10/03/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022]
Abstract
The relevance of emerging infectious diseases continues to grow worldwide as human activities increasingly extend into formerly remote natural areas. This is particularly noticeable on the island of Madagascar. As closest relatives to humans on the island, lemurs are of particular relevance as a potential origin of zoonotic pathogen spillover. Knowledge of pathogens circulating in lemur populations is, however, very poor. Particularly little is known about lemur hemoparasites. To infer host range, ecological and geographic spread of the recently described hemoparasitic nematode Lemurfilaria lemuris in northwestern Madagascar, a total of 942 individuals of two mouse lemur species (Microcebus murinus [n = 207] and Microcebus ravelobensis [n = 433]) and two rodent species (the endemic Eliurus myoxinus [n = 118] and the invasive Rattus rattus [n = 184]) were captured in two fragmented forest landscapes (Ankarafantsika National Park and Mariarano Classified Forest) in northwestern Madagascar for blood sample examination. No protozoan hemoparasites were detected by microscopic blood smear screening. Microfilaria were present in 1.0% (2/207) of M. murinus and 2.1% (9/433) of M. ravelobensis blood samples but not in rodent samples. Internal transcribed spacer 1 (ITS-1) sequences were identical to an unnamed Onchocercidae species previously described to infect a larger lemur species, Propithecus verreauxi, about 650 km further south. In contrast to expectations, L. lemuris was not detected. The finding of a pathogen in a distantly related host species, at a considerable geographic distance from the location of its original detection, instead of a microfilaria species previously described for one of the studied host species in the same region, illustrates our low level of knowledge of lemur hemoparasites, their host ranges, distribution, modes of transmission, and their zoonotic potential. Our findings shall stimulate new research that will be of relevance for both conservation medicine and human epidemiology.
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Affiliation(s)
- Frederik Kiene
- Institute of Zoology, University of Veterinary Medicine Hannover, Hanover, Germany.,Centre for Infection Medicine, Institute for Parasitology, University of Veterinary Medicine Hannover, Hanover, Germany.,Clinic for Swine and Small Ruminants, Forensic Medicine and Ambulatory Service, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Andrea Springer
- Centre for Infection Medicine, Institute for Parasitology, University of Veterinary Medicine Hannover, Hanover, Germany
| | - Bertrand Andriatsitohaina
- Ecole Doctorale Ecosystèmes Naturels (EDEN), University of Mahajanga, Mahajanga, Madagascar.,Faculté des Sciences, de Technologies et de l'Environnement, University of Mahajanga, Mahajanga, Madagascar
| | - Malcolm S Ramsay
- Institute of Zoology, University of Veterinary Medicine Hannover, Hanover, Germany.,Department of Anthropology, University of Toronto, Toronto, Ontario, Canada
| | - Romule Rakotondravony
- Ecole Doctorale Ecosystèmes Naturels (EDEN), University of Mahajanga, Mahajanga, Madagascar.,Faculté des Sciences, de Technologies et de l'Environnement, University of Mahajanga, Mahajanga, Madagascar
| | - Christina Strube
- Centre for Infection Medicine, Institute for Parasitology, University of Veterinary Medicine Hannover, Hanover, Germany
| | - Ute Radespiel
- Institute of Zoology, University of Veterinary Medicine Hannover, Hanover, Germany
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17
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Mohammadi A, Nayeri D, Alambeigi A, Marchini S. A wicked environmental challenge: collaboration network for free-ranging dog management in an urban environment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:27125-27136. [PMID: 36378375 DOI: 10.1007/s11356-022-24029-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 11/01/2022] [Indexed: 06/16/2023]
Abstract
Invasive species possess wide-ranging social and ecological impacts globally. Although the ecological impacts are well studied, social aspects especially in developing countries are often poorly understood. Free-ranging dogs (FRDs) (Canis familiaris) are the most abundant carnivore on earth with a high level of invasion. Recently, the presence of FRDs in the Jiroft city in southern Iran has increased, and local managers have not yet developed a coherent management plan. Given the high rate of human bites by FRDs in this region, a principled management plan with integrated collaboration between the relevant organizations is necessary. To better understand collaboration networks, we interviewed employees of three relevant governmental organizations about their collaboration with other organizations toward FRD management. Our objective in this study was to (1) assess the collaboration between the municipality, provincial offices of veterinary medicine, and health network and (2) predict the behavioral tendencies of network actors based on their current position in the FRD management network. Although most employees have never worked together to manage FRDs, our results showed that most of the interviewees did not evaluate the role of other organizations in FRD management as beneficial. Moreover, the current assessment of the employees of the two municipal and health organizations affects their current collaboration in the management of FRDs. Also, the current collaboration has a significant impact on their intention to collaborate in the future. We make suggestions for improving collaboration in managing FRDs in this region.
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Affiliation(s)
- Alireza Mohammadi
- Department of Environmental Science and Engineering, Faculty of Natural Resources, University of Jiroft, Jiroft, Iran
| | - Danial Nayeri
- Department of Wildlife, California State Polytechnic University Humboldt, 1 Harpst Street, Arcata, CA, 95521, USA
| | - Amir Alambeigi
- Department of Agricultural Extension and Education, College of Agricultural Economics and Development, University of Tehran, Karaj, Iran.
| | - Silvio Marchini
- Wildlife Ecology, Management and Conservation Lab (LEMaC), Forest Science Department, "Luiz de Queiroz" College of Agriculture (ESALQ), University of São Paulo (USP), Piracicaba, SP, Brazil
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18
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Daly EZ, Chabrerie O, Massol F, Facon B, Hess MC, Tasiemski A, Grandjean F, Chauvat M, Viard F, Forey E, Folcher L, Buisson E, Boivin T, Baltora‐Rosset S, Ulmer R, Gibert P, Thiébaut G, Pantel JH, Heger T, Richardson DM, Renault D. A synthesis of biological invasion hypotheses associated with the introduction–naturalisation–invasion continuum. OIKOS 2023. [DOI: 10.1111/oik.09645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Ella Z. Daly
- Univ. of Rennes, CNRS, ECOBIO (Ecosystèmes, Biodiversité, Evolution), UMR 6553 Rennes France
| | - Olivier Chabrerie
- Univ. de Picardie Jules Verne, UMR 7058 CNRS EDYSAN Amiens Cedex 1 France
| | - Francois Massol
- Univ. Lille, CNRS, Inserm, CHU Lille, Inst. Pasteur de Lille, U1019 – UMR 9017 – CIIL – Center for Infection and Immunity of Lille Lille France
| | - Benoit Facon
- CBGP, INRAE, CIRAD, IRD, Montpellier Institut Agro, Univ. Montpellier Montpellier France
| | - Manon C.M. Hess
- Inst. Méditerranéen de Biodiversité et d'Ecologie Marine et Continentale (IMBE), UMR: Aix Marseille Univ., Avignon Université, CNRS, IRD France
- Inst. de Recherche pour la Conservation des zones Humides Méditerranéennes Tour du Valat, Le Sambuc Arles France
| | - Aurélie Tasiemski
- Univ. Lille, CNRS, Inserm, CHU Lille, Inst. Pasteur de Lille, U1019 – UMR 9017 – CIIL – Center for Infection and Immunity of Lille Lille France
| | - Frédéric Grandjean
- Univ. de Poitiers, UMR CNRS 7267 EBI‐Ecologie et Biologie des Interactions, équipe EES Poitiers Cedex 09 France
| | | | | | - Estelle Forey
- Normandie Univ., UNIROUEN, INRAE, USC ECODIV Rouen France
| | - Laurent Folcher
- ANSES – Agence Nationale de Sécurité Sanitaire de l'Alimentation, de l'Environnement et du Travail, Laboratoire de la Santé des Végétaux – Unité de Nématologie Le Rheu France
| | - Elise Buisson
- Inst. Méditerranéen de Biodiversité et d'Ecologie Marine et Continentale (IMBE), UMR: Aix Marseille Univ., Avignon Université, CNRS, IRD France
| | - Thomas Boivin
- INRAE, UR629 Écologie des Forêts Méditerranéennes, Centre de Recherche Provence‐Alpes‐Côte d'Azur Avignon France
| | | | - Romain Ulmer
- Univ. de Picardie Jules Verne, UMR 7058 CNRS EDYSAN Amiens Cedex 1 France
| | - Patricia Gibert
- UMR 5558 CNRS – Univ. Claude Bernard Lyon 1, Biométrie et Biologie Evolutive, Bât. Gregor Mendel Villeurbanne Cedex France
| | - Gabrielle Thiébaut
- Univ. of Rennes, CNRS, ECOBIO (Ecosystèmes, Biodiversité, Evolution), UMR 6553 Rennes France
| | - Jelena H. Pantel
- Ecological Modelling, Faculty of Biology, Univ. of Duisburg‐Essen Essen Germany
| | - Tina Heger
- Leibniz Inst. of Freshwater Ecology and Inland Fisheries (IGB) Berlin Germany
- Technical Univ. of Munich, Restoration Ecology Freising Germany
| | - David M. Richardson
- Centre for Invasion Biology, Dept. Botany & Zoology, Stellenbosch University Stellenbosch South Africa
- Inst. of Botany, Czech Academy of Sciences Průhonice Czech Republic
| | - David Renault
- Univ. of Rennes, CNRS, ECOBIO (Ecosystèmes, Biodiversité, Evolution), UMR 6553 Rennes France
- Inst. Universitaire de France Paris Cedex 05 France
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19
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Broder ED, Gallagher JH, Wikle AW, Welsh GT, Zonana DM, Firneno TJ, Tinghitella RM. A well-studied parasitoid fly of field crickets uses multiple alternative hosts in its introduced range. Evol Ecol 2023. [DOI: 10.1007/s10682-022-10225-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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20
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Ni XF, Barton DP, Chen HX, Li L. Native species Maxvachonia chabaudi Mawson, 1972 (Nematoda: Cosmocercoidea) found in the invasive marine toad Rhinella marina (Linnaeus) (Anura: Bufonidae) in Australia. Folia Parasitol (Praha) 2022; 69. [DOI: 10.14411/fp.2022.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Accepted: 07/29/2022] [Indexed: 12/12/2022]
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21
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Guilder J, Copp GH, Thrush MA, Stinton N, Murphy D, Murray J, Tidbury HJ. Threats to UK freshwaters under climate change: Commonly traded aquatic ornamental species and their potential pathogens and parasites. NEOBIOTA 2022. [DOI: 10.3897/neobiota.76.80215] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The aquatic ornamental industry, whilst providing socio-economic benefits, is a known introduction pathway for non-native species, which if invasive, can cause direct impacts to native species and ecosystems and also drive disease emergence by extending the geographic range of associated parasites and pathogens and by facilitating host-switching, spillover and spill-back. Although current UK temperatures are typically below those necessary for the survival and establishment of commonly-traded tropical, and some sub-tropical, non-native ornamental species, the higher water temperatures predicted under climate-change scenarios are likely to increase the probability of survival and establishment. Our study aimed primarily to identify which of the commonly-traded non-native ornamental aquatic species (fish and invertebrates), and their pathogens and parasites, are likely to benefit in terms of survival and establishment in UK waters under predicted future climate conditions. Out of 233 ornamental species identified as traded in the UK, 24 were screened, via literature search, for potential parasites and pathogens (PPPs) due to their increased risk of survival and establishment under climate change. We found a total of 155 PPPs, the majority of which were platyhelminths, viruses and bacteria. While many of the identified PPPs were already known to occur in UK waters, PPPs currently absent from UK waters and with zoonotic potential were also identified. Results are discussed in the context of understanding potential impact, in addition to provision of evidence to inform risk assessment and mitigation approaches.
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22
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Schoeman AL, du Preez LH, Kmentová N, Vanhove MPM. A monogenean parasite reveals the widespread translocation of the African Clawed Frog in its native range. J Appl Ecol 2022. [DOI: 10.1111/1365-2664.14271] [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)
- Anneke L. Schoeman
- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North‐West University Potchefstroom South Africa
- DSI‐NRF Centre of Excellence for Invasion Biology Stellenbosch South Africa
- South African Institute for Aquatic Biodiversity Grahamstown South Africa
| | - Louis H. du Preez
- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North‐West University Potchefstroom South Africa
- South African Institute for Aquatic Biodiversity Grahamstown South Africa
| | - Nikol Kmentová
- Hasselt University Centre for Environmental Sciences, Research Group Zoology: Biodiversity & Toxicology, Agoralaan Gebouw D Diepenbeek Belgium
| | - Maarten P. M. Vanhove
- Hasselt University Centre for Environmental Sciences, Research Group Zoology: Biodiversity & Toxicology, Agoralaan Gebouw D Diepenbeek Belgium
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23
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Morales Martínez KA, Muñoz García C, Figueroa Delgado A, Chávez Güitrón L, Osorio Saravia D, Saavedra Montañez M, Martínez Maya JJ, Rubio JM, Villalobos N. Parasite identification in mullet fish (Mugil curema) from Chautengo Lagoon, Guerrero, Mexico, based on morphology and molecular analysis. Exp Parasitol 2022; 240:108335. [PMID: 35932907 DOI: 10.1016/j.exppara.2022.108335] [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: 02/23/2022] [Revised: 06/01/2022] [Accepted: 07/12/2022] [Indexed: 11/04/2022]
Abstract
Parasite identification is crucial in areas where no sanitary inspection is conducted on fish, especially considering that parasitic zoonoses like anisakiasis and gnathostomiasis can pose a risk for human health. In this study, parasites in mullet fish (Mugil curema) from the Chautengo Lagoon, Guerrero, Mexico, were identified by morphological and molecular methods. A total of 122 specimens weighing 317 ± 51.25 g and 19.3 ± 1.14 cm in length were assessed. Their helminthofauna was classified by measuring internal structures, total length, and maximum width; a morphometric index was also calculated for larval stages. The prevalence of parasitosis in these mullets was 91.8%, with a mean infection intensity of 4.1. The acanthocephalan Floridosentis mugilis was identified by its external and internal structures. The nematodes found were of the Anisakidae family in stage 3 (L3), with a morphology consistent with Contracaecum sp. To determine the species, the ITS ribosomal gene and the mitochondrial genes COX2 and rrnS were molecularly characterized by PCR; then, they were aligned by CLUSTAL W, and a phylogenetic tree was obtained. In this analysis, the sequences were compared with those reported in GenBank. A total of 460 parasites were studied, 283 of which were nematodes (61.5%) and 177 were acanthocephalans (38.5%). The sequences of seven nematodes showed 99% homology with each other, and thus they formed an independent branch within the Contracaecum sp. group. This is the first report identifying Contracaecum multipapillatum in mullet fish in the Chautengo Lagoon, Guerrero.
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Affiliation(s)
- Karla Azucena Morales Martínez
- Universidad Tecnológica de Tecámac UTTEC. Km 37.5 Ctra. Fed. México-Pachuca S/N, C.P. 55740, Col. Sierra Hermosa, Tecámac, Estado de México, Mexico
| | - Carlota Muñoz García
- Parasitology Department. National Microbiology Center, Instituto de Salud Carlos III. Madrid, Ctra. Majadahonda Pozuelo Km 2 Majadahonda, 28220. Madrid, Spain
| | - Alfredo Figueroa Delgado
- Universidad Tecnológica del Mar del Estado de Guerrero. Avenida Universidad S/N, Barra de Tecoanapa, Marquelia, Guerrero, 41937, Mexico
| | - Lorena Chávez Güitrón
- Universidad Tecnológica de Tecámac UTTEC. Km 37.5 Ctra. Fed. México-Pachuca S/N, C.P. 55740, Col. Sierra Hermosa, Tecámac, Estado de México, Mexico
| | - David Osorio Saravia
- Colegio de Ciencias y Humanidades Plantel Oriente. Av. Canal de San Juan Esq. Sur 24, Col. Tepalcates, CDMX, 09210, Mexico
| | - Manuel Saavedra Montañez
- Departamento de Microbiología e Inmunología. Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México. Circuito Exterior S/N, Ciudad Universitaria, CDMX, 04510, Mexico
| | - José Juan Martínez Maya
- Departamento de Medicina Preventiva y Salud Pública. Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México. Circuito Exterior S/N, Ciudad Universitaria, CDMX, 04510, Mexico
| | - José M Rubio
- Parasitology Department. National Microbiology Center, Instituto de Salud Carlos III. Madrid, Ctra. Majadahonda Pozuelo Km 2 Majadahonda, 28220. Madrid, Spain
| | - Nelly Villalobos
- Departamento de Patología. Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México. Circuito Exterior S/N, Ciudad Universitaria, CDMX, 04510, Mexico.
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24
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Pagenkopp Lohan KM, Darling JA, Ruiz GM. International shipping as a potent vector for spreading marine parasites. DIVERS DISTRIB 2022; 28:1922-1933. [PMID: 38269301 PMCID: PMC10807284 DOI: 10.1111/ddi.13592] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 06/10/2022] [Indexed: 12/21/2022] Open
Abstract
Aim The global shipping fleet, the primary means of transporting goods among countries, also serves as a major dispersal mechanism for marine invasive species. To date, researchers have primarily focussed on the role of ships in transferring marine macrofauna, often overlooking transfers of associated parasites, which can have larger impacts on naïve host individuals and populations. Here, we re-examine three previously published metabarcode datasets targeting zooplankton and protists in ships' ballast water to assess the diversity of parasites across life stages arriving to three major US ports. Location Port of Hampton Roads in the Chesapeake Bay, Virginia; Ports of Texas City, Houston and Bayport in Galveston Bay, Texas; and Port of Valdez in Prince William Sound, Alaska. Methods We selected all known parasitic taxa, using sequences generated from the small subunit gene (SSU) from ribosomal RNA (rRNA) amplified from (1) zooplankton collected from plankton tows (35 and 80 μm datasets) and (2) eukaryotes collected from samples of ships' ballast water (3 μm dataset). Results In all three datasets, we found a broad range of parasitic taxa, including many protistan and metazoan parasites, that infect a wide range of hosts, from teleost fish to dinoflagellates. Parasite richness was highest in the 3 μm dataset and relatively uniform across arrival regions. Several parasite taxa were found in high relative abundance (based on number of sequences recovered) either in ships entering a single or across multiple regions. Main Conclusions The ubiquity, diversity and relative abundance of parasites detected demonstrate ships are a potent vector for spreading marine parasites across the world's oceans, potentially contributing to reported increases in outbreaks of marine diseases. Future research is urgently needed to evaluate the fate of parasites upon arrival and the efficacy of ballast water treatment systems to reduce future transfers and colonization.
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Affiliation(s)
| | - John A. Darling
- Center for Environmental Measurement and Modeling, United States Environmental Protection Agency, Durham, North Carolina, USA
| | - Gregory M. Ruiz
- Marine Invasions Research Laboratory, Smithsonian Environmental Research Center, Edgewater, Maryland, USA
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Invasive Alien Slug Arion vulgaris Moquin-Tandon, 1855 (Gastropoda: Pulmonata: Arionidae) in Moscow Parks and Its Co-introduced Parasite Alloionema appendiculatum Schneider, 1859. Acta Parasitol 2022; 67:921-931. [PMID: 35386068 DOI: 10.1007/s11686-022-00541-5] [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: 10/25/2021] [Accepted: 03/14/2022] [Indexed: 11/01/2022]
Abstract
PURPOSE The present study investigates the origin of Arion vulgaris slugs in the parks of Moscow city and their parasites. METHODS Snails and slugs inhabiting green areas of Moscow city were collected in the summer season of 2020 and examined on the presence of gastropod-associated nematodes and trematodes using morphological and molecular methods. RESULTS The presence of the alien slug species, Arion vulgaris, was recorded in several locations, and the mitochondrial gene-based analysis has shown that slug populations inhabited Moscow parks originated from West and Central Europe. Out of a total of 15 gastropod species examined, A. vulgaris was the only species infected by the nematode Alloionema appendiculatum Schneider, 1859, a larval parasite of molluscs. It is the first record of this nematode from the territory of the Russian Federation. COX1 mtDNA sequences of A. appendiculatum obtained from 3 populations of infected slugs were identical with those from Western and Central Europe similarly to their gastropod hosts thus indicating that the nematodes travelled with their hosts. No parasites dangerous for humans or animals were found. CONCLUSION The complex life cycle of A. appendiculatum includes a free-living stage in soil which offers a source of infection for other potentially susceptible gastropod species but the capacity of A. appendiculatum to change hosts in local conditions needs to be further investigated. The particular susceptibility and tolerance of A. vulgaris to nematodes in our study was in concordance with earlier data while in contradiction with the enemy release hypothesis.
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Sarabeev V, Balbuena JA, Desdevises Y, Morand S. Host-parasite relationships in invasive species: macroecological framework. Biol Invasions 2022. [DOI: 10.1007/s10530-022-02821-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Yuan ML, Frederick JH, McGuire JA, Bell RC, Smith SR, Fenton C, Cassius J, Williams R, Wang IJ, Powell R, Hedges SB. Endemism, invasion, and overseas dispersal: the phylogeographic history of the Lesser Antillean frog, Eleutherodactylus johnstonei. Biol Invasions 2022. [DOI: 10.1007/s10530-022-02803-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AbstractCryptogenic species are those whose native and introduced ranges are unknown. The extent and long history of human migration rendered numerous species cryptogenic. Incomplete knowledge regarding the origin and native habitat of a species poses problems for conservation management and may confound ecological and evolutionary studies. The Lesser Antilles pose a particular challenge with regard to cryptogenic species because these islands have been anthropogenically connected since before recorded history. Here, we use population genetic and phylogeographic tools in an attempt to determine the origin of Eleutherodactylus johnstonei, a frog species with a potentially widespread introduced range and whose native range within the Lesser Antilles is unknown. Based on elevated estimates of genetic diversity and within-island geographic structure not present elsewhere in the range, we identify Montserrat as the native island of E. johnstonei. We also document two major clades within E. johnstonei, only one of which is the primary source of introduced populations throughout the Americas. Our results demonstrate the utility of genetic tools for resolving cryptogenic species problems and highlight E. johnstonei as a potential system for understanding differences in invasive potential among sister lineages.
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Filion A, Deschamps L, Niebuhr CN, Poulin R. Anthropogenic landscape alteration promotes higher disease risk in wild New Zealand avian communities. PLoS One 2022; 17:e0265568. [PMID: 35333899 PMCID: PMC8956180 DOI: 10.1371/journal.pone.0265568] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 03/03/2022] [Indexed: 12/22/2022] Open
Abstract
Anthropogenic changes can have dramatic effects on wild populations. Moreover, by promoting the emergence of vector-borne diseases in many ecosystems, those changes can lead to local extinction of native wildlife. One of those diseases, avian malaria, has been shown to be on the rise in New Zealand, threatening native bird species that are among the most extinction-prone in the world. It is thus of prime importance to better understand the potential cascading effects that anthropogenic modifications have on those fragile species. Here, we aim to test how long-lasting modification to regional environmental filters can subsequently alter local biotic filters, in turn promoting the emergence of avian malaria in New Zealand avian communities. To this end, we used Bayesian structural equation modelling to unravel the drivers of disease emergence within the complex interplay between landscape and local species pools. We show that altered landscape, quantified through a lower enhanced vegetation index, leads to more infections in Turdus spp. and modification in avian community composition, potentially raising the probability of infection for other species in the community. In addition, we show that climatic variables associated with the presence of vectors play a predominant role in shaping the regional pattern of avian malaria occurrence. Our results suggest long-lasting impacts of anthropogenic changes on regional environmental filters and demonstrate that conservation efforts should align toward restoring the landscape to prevent further emergence of infectious diseases in wild ecosystems.
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Affiliation(s)
- Antoine Filion
- Department of Zoology, University of Otago, Dunedin, New Zealand
- * E-mail:
| | - Lucas Deschamps
- Department of Environmental Sciences, University of Quebec at Trois-Rivieres, Trois-Rivières (Québec), Canada
| | | | - Robert Poulin
- Department of Zoology, University of Otago, Dunedin, New Zealand
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Magdálek J, Bourgoin G, Vadlejch J. Non-native Nematode Ashworthius sidemi Currently Dominates the Abomasal Parasite Community of Cervid Hosts in the Czech Republic. Front Vet Sci 2022; 9:862092. [PMID: 35573405 PMCID: PMC9096835 DOI: 10.3389/fvets.2022.862092] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/04/2022] [Indexed: 11/13/2022] Open
Abstract
Ashworthius sidemi is an abomasal nematode typical for Asiatic cervids such as sambar (Rusa unicolor) or sika deer (Cervus nippon). This non-native parasite was introduced into Europe via sika deer in the late 19th and early 20th centuries. The current dynamic spread of this parasite amongst autochthonous wild cervids occurs independently of human activities, and A. sidemi has a negative impact on the health of wild ruminants and may pose a threat to the conservation of endangered wild ungulates and to livestock. This invasive parasite has been previously detected in the Czech Republic, but more accurate information on A. sidemi is required. Only limited information is generally available on the factors influencing the spread of abomasal nematodes in wild ruminants, so more information is necessary for planning effective strategies of parasite control. We therefore conducted a survey on the abomasal nematodes in cervids in both game reserves and hunting grounds across the Czech Republic, taking into account the hosts (species, age, sex) and environmental factors (monthly average temperature). The abomasa of 104 animals belonging to five cervid species originating from various locations of the country were collected. Data on host (species, sex, and age group) and the monthly average temperature in the region were obtained for each animal. The parasitological analyses indicated that 92% of the abomasa were infected by nematodes. Ashworthius sidemi was the most prevalent (72%) and abundant (80% of the total recovered individuals) nematode species and was detected in all cervid species except white-tailed deer. The intensity of A. sidemi was highest in roe deer (Capreolus capreolus) and fallow deer (Dama dama), but A. sidemi abundance did not depend substantially on the host or environmental factors. In contrast, the abundance of nematodes from the subfamily Ostertagiinae was influenced by the host species and temperature. Parasitic load was significantly higher in roe deer and during the warmer periods of the survey. We also detected another non-native nematode species, Spiculopteragia houdemeri. The results of our study suggest that the non-native nematode A. sidemi is now widespread amongst cervid hosts in the Czech Republic, probably due to the high sensitivity of autochthonous cervids to A. sidemi infections as well as adaptation of this parasite to the current climatic conditions of this country.
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Affiliation(s)
- Jan Magdálek
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czechia
| | - Gilles Bourgoin
- Laboratory of Veterinary Parasitology, Université de Lyon, VetAgro Sup – Campus Vétérinaire de Lyon, Marcy l'Etoile, France
- Laboratoire de Biométrie et Biologie Évolutive, CNRS, UMR 5558, Université de Lyon, Université Lyon 1, Villeurbanne, France
| | - Jaroslav Vadlejch
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czechia
- *Correspondence: Jaroslav Vadlejch
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Hirano T, Kagawa O, Fujimoto M, Saito T, Uchida S, Yamazaki D, Ito S, Mohammad Shariar S, Sawahata T, Chiba S. Species identification of introduced veronicellid slugs in Japan. PeerJ 2022; 10:e13197. [PMID: 35480566 PMCID: PMC9037128 DOI: 10.7717/peerj.13197] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 03/09/2022] [Indexed: 01/12/2023] Open
Abstract
Reliable identification of species is important for protecting native ecosystems against the invasion of non-native species. DNA barcoding using molecular markers, such as the mitochondrial cytochrome oxidase subunit 1 (COI) gene, helps researchers distinguish species. In this study, we focused on introduced veronicellid slugs in the Ryukyu Islands and some greenhouses on mainland Japan. Some veronicellids are medium-to-high risk pest species for humans. Identifying veronicellid species by their external morphology is difficult and unreliable because there is substantial overlap between intraspecific variation and interspecific differentiation. Therefore, internal morphologies such as male genitalia have been the primary traits used to distinguish veronicellids. To identify introduced veronicellid slugs in Japan to the species level, we used morphological assessment of male genitalia and DNA barcoding of the standard COI gene fragment. We also conducted species-delimitation analyses based on the genetic data. The results showed that five evolutionarily significant units, corresponding to four nominal species inhabit the Ryukyu Islands, of which two species were also found in the greenhouses of mainland Japan, including the first record of Sarasinula plebeia in Japan. The presence of non-native slug species could increase the transmission of parasites in Japan.
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Affiliation(s)
- Takahiro Hirano
- Center for Northeast Asian Studies, Tohoku University, Sendai, Miyagi, Japan,Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi, Japan
| | - Osamu Kagawa
- Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi, Japan
| | | | - Takumi Saito
- Department of Biology, Faculty of Science, Toho University, Funabashi, Chiba, Japan
| | - Shota Uchida
- Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi, Japan
| | - Daishi Yamazaki
- Center for Northeast Asian Studies, Tohoku University, Sendai, Miyagi, Japan
| | - Shun Ito
- Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi, Japan
| | | | - Takuo Sawahata
- Faculty of Agriculture, Kindai University, Nara, Nara, Japan
| | - Satoshi Chiba
- Center for Northeast Asian Studies, Tohoku University, Sendai, Miyagi, Japan,Graduate School of Life Sciences, Tohoku University, Sendai, Miyagi, Japan
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Chiarello M, Bucholz JR, McCauley M, Vaughn SN, Hopper GW, Sánchez González I, Atkinson CL, Lozier JD, Jackson CR. Environment and Co-occurring Native Mussel Species, but Not Host Genetics, Impact the Microbiome of a Freshwater Invasive Species ( Corbicula fluminea). Front Microbiol 2022; 13:800061. [PMID: 35444631 PMCID: PMC9014210 DOI: 10.3389/fmicb.2022.800061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 02/21/2022] [Indexed: 11/18/2022] Open
Abstract
The Asian clam Corbicula fluminea (Family: Cyneridae) has aggressively invaded freshwater habitats worldwide, resulting in dramatic ecological changes and declines of native bivalves such as freshwater mussels (Family: Unionidae), one of the most imperiled faunal groups. Despite increases in our knowledge of invasive C. fluminea biology, little is known of how intrinsic and extrinsic factors, including co-occurring native species, influence its microbiome. We investigated the gut bacterial microbiome across genetically differentiated populations of C. fluminea in the Tennessee and Mobile River Basins in the Southeastern United States and compared them to those of six co-occurring species of native freshwater mussels. The gut microbiome of C. fluminea was diverse, differed with environmental conditions and varied spatially among rivers, but was unrelated to host genetic variation. Microbial source tracking suggested that the gut microbiome of C. fluminea may be influenced by the presence of co-occurring native mussels. Inferred functions from 16S rRNA gene data using PICRUST2 predicted a high prevalence and diversity of degradation functions in the C. fluminea microbiome, especially the degradation of carbohydrates and aromatic compounds. Such modularity and functional diversity of the microbiome of C. fluminea may be an asset, allowing to acclimate to an extensive range of nutritional sources in invaded habitats, which could play a vital role in its invasive success.
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Affiliation(s)
- Marlène Chiarello
- Department of Biology, University of Mississippi, Oxford, MS, United States
| | - Jamie R Bucholz
- Department of Biological Sciences, University of Alabama, Tuscaloosa, AL, United States
| | - Mark McCauley
- Department of Biology, University of Mississippi, Oxford, MS, United States
| | - Stephanie N Vaughn
- Department of Biology, University of Mississippi, Oxford, MS, United States
| | - Garrett W Hopper
- Department of Biological Sciences, University of Alabama, Tuscaloosa, AL, United States
| | | | - Carla L Atkinson
- Department of Biological Sciences, University of Alabama, Tuscaloosa, AL, United States
| | - Jeffrey D Lozier
- Department of Biological Sciences, University of Alabama, Tuscaloosa, AL, United States
| | - Colin R Jackson
- Department of Biology, University of Mississippi, Oxford, MS, United States
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32
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Barton DP, Fearn S. Parasites in feral. AUST J ZOOL 2022. [DOI: 10.1071/zo21044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Feral populations of Chelodina longicollis (Shaw, 1794) have established in Tasmania but many aspects of their biology in the wild remain unknown. A number of C. longicollis specimens were available for examination for parasites. Two species of digenean parasites were found in three of the 11 turtles examined: a Choanocotyle sp. and Thrinascotrema brisbanica Jue Sue & Platt, 1999. This is the first report of parasites from feral turtles in Tasmania. Due to the lack of native populations of freshwater turtles in Tasmania, these parasites must also have been introduced to Tasmania and have established life cycles in the new environments. The implications of such introductions, without suitable definitive hosts available to assist in establishing parasite infections, is discussed. An updated list of digenean parasites reported from Australian freshwater turtles is presented.
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Increased geographical distribution and richness of non-native freshwater fish species in Argentina: evidence from a literature review. Biol Invasions 2022. [DOI: 10.1007/s10530-022-02742-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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35
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Arsuaga M, Díaz-Menéndez M, Gobbi FG. Autochthonous schistosomiasis in Europe: A silent threat. Travel Med Infect Dis 2021; 45:102244. [PMID: 34942375 DOI: 10.1016/j.tmaid.2021.102244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/15/2021] [Accepted: 12/17/2021] [Indexed: 11/16/2022]
Affiliation(s)
- Marta Arsuaga
- National Referral Centre for Tropical Diseases, Hospital Universitario La Paz-Carlos III, Madrid, Spain.
| | - Marta Díaz-Menéndez
- National Referral Centre for Tropical Diseases, Hospital Universitario La Paz-Carlos III, Madrid, Spain
| | - Federico Giovanni Gobbi
- Department of Infectious-Tropical Diseases and Microbiology, IRCCS Sacro Cuore Don Calabria Hospital, Negrar, Verona, Italy
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Ortega N, Roznik EA, Surbaugh KL, Cano N, Price W, Campbell T, Rohr JR. Parasite spillover to native hosts from more tolerant, supershedding invasive hosts: Implications for management. J Appl Ecol 2021. [DOI: 10.1111/1365-2664.13906] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nicole Ortega
- Department of Biology University of Tampa Tampa FL USA
| | - Elizabeth A. Roznik
- North Carolina Zoo Asheboro NC USA
- Department of Integrative Biology University of South Florida Tampa FL USA
| | - Kerri L. Surbaugh
- Department of Integrative Biology University of South Florida Tampa FL USA
| | - Natalia Cano
- Department of Integrative Biology University of South Florida Tampa FL USA
| | - Wayne Price
- Department of Biology University of Tampa Tampa FL USA
| | - Todd Campbell
- Department of Biology University of Tampa Tampa FL USA
| | - Jason R. Rohr
- Department of Biological Sciences University of Notre DameNotre Dame IN USA
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Santa MA, Musiani M, Ruckstuhl KE, Massolo A. A review on invasions by parasites with complex life cycles: the European strain of Echinococcus multilocularis in North America as a model. Parasitology 2021; 148:1532-1544. [PMID: 35060461 PMCID: PMC8564803 DOI: 10.1017/s0031182021001426] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/14/2021] [Accepted: 07/30/2021] [Indexed: 12/28/2022]
Abstract
In a fast-changing and globalized world, parasites are moved across continents at an increasing pace. Co-invasion of parasites and their hosts is leading to the emergence of infectious diseases at a global scale, underlining the need for integration of biological invasions and disease ecology research. In this review, the ecological and evolutionary factors influencing the invasion process of parasites with complex life cycles were analysed, using the invasion of the European strain of Echinococcus multilocularis in North America as a model. The aim was to propose an ecological framework for investigating the invasion of parasites that are trophically transmitted through predator–prey interactions, showing how despite the complexity of the cycles and the interactions among multiple hosts, such parasites can overcome multiple barriers and become invasive. Identifying the key ecological processes affecting the success of parasite invasions is an important step for risk assessment and development of management strategies, particularly for parasites with the potential to infect people (i.e. zoonotic).
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Affiliation(s)
- Maria A. Santa
- Department of Biology, University of Calgary, AlbertaT2N 1N4, Canada
| | - Marco Musiani
- Department of Biology, University of Calgary, AlbertaT2N 1N4, Canada
| | | | - Alessandro Massolo
- Department of Ecosystem and Public Health, Faculty of Veterinary Medicine, University of Calgary, AlbertaT2N 4Z6, Canada
- Ethology Unit, Department of Biology, University of Pisa, Pisa, 56126, Italy
- UMR CNRS 6249 Chrono-Environnement, Université Bourgogne Franche-Comté, Besançon, 25030, France
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Madrid RRM, Mertins O, Tavares-Dias M, Flores-Gonzales AP, C M F Patta A, Ramirez CAB, Rigoni VLS, Mathews PD. High compliance and effective treatment of fish endoparasitic infections with oral drug delivery nanobioparticles: Safety of intestinal tissue and blood parameters. JOURNAL OF FISH DISEASES 2021; 44:1819-1829. [PMID: 34339060 DOI: 10.1111/jfd.13501] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 07/17/2021] [Accepted: 07/20/2021] [Indexed: 06/13/2023]
Abstract
Parasite infections in fish require constant surveillance and strategies for efficient treatments which guarantee the fish health, their sale value and the non-propagation of pathogens in new environments. Fish treatments based on nanotechnology become of increasing interest since nanoparticles have been shown as efficient materials for optimizing administration of bioactives. In this study a chitosan derivative, alginate and praziquantel conjugated nanobioparticle of effective action for oral treatment of digenetic trematodes in highly infected Corydoras schwartzi was evaluated in terms of histological and hematological safety. The inherent absence of alterations in intestinal tissue and the reversible blood cells counting during a period up to 35 days showed the safety of the drug delivery nanobioparticles, which thus represent a promising strategy for effective applications in pathogens treatments by oral administration.
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Affiliation(s)
- Rafael R M Madrid
- Laboratory of Nano Bio Materials (LNBM), Department of Biophysics, Paulista Medical School, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | - Omar Mertins
- Laboratory of Nano Bio Materials (LNBM), Department of Biophysics, Paulista Medical School, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | | | | | - Ana C M F Patta
- Laboratory of Nano Bio Materials (LNBM), Department of Biophysics, Paulista Medical School, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | - Carlos A B Ramirez
- Laboratory of Nano Bio Materials (LNBM), Department of Biophysics, Paulista Medical School, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | - Vera L S Rigoni
- Laboratory of Nano Bio Materials (LNBM), Department of Biophysics, Paulista Medical School, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
| | - Patrick D Mathews
- Laboratory of Nano Bio Materials (LNBM), Department of Biophysics, Paulista Medical School, Federal University of Sao Paulo (UNIFESP), Sao Paulo, Brazil
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Edwards DD, Gordon NM. HELMINTH DIVERSITY OF GREEN TREEFROGS (HYLA CINEREA) IN THEIR EXPANDED GEOGRAPHICAL RANGE. J Parasitol 2021; 107:923-932. [PMID: 34902862 DOI: 10.1645/20-6] [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: 11/10/2022] Open
Abstract
There has been a growing interest in characterizing the parasite faunas of species populations as they expand their geographical ranges as a result of climate change. Expanded-range populations often exhibit lower parasite diversity than historical-range populations, and reduced parasitism may, in part, be attributable to expanded-range populations escaping their native range parasites. The present study compares the helminth faunas of green treefrogs (Hyla cinerea) from 4 historical and 4 expanded-range populations to determine whether these latter populations have undergone parasite escape. Results of this study found relatively high degrees of similarity in species composition among helminth assemblages within historical or within range-expansion locations, with marked differences in the composition of helminth faunas between historical and expanded-range populations of these frogs. Because green treefrogs from expanded-range locations exhibited significant decreases in helminth species diversity compared with those from historical sites, they appear to be escaping levels of parasitism typically experienced by these frogs in their native range. Most notably, there was a decrease in the abundance of helminths with direct life cycles and the absence of trematode assemblages with indirect life cycles among expanded-range populations of H. cinerea. The low prevalence of trematode assemblages among historical populations of green treefrogs could limit these parasites' ability to be introduced and propagated in expanded-range locations. However, the lack of trematode assemblages among populations of H. cinerea in its expanded range may also be due to the absence or limited availability of other aquatic hosts that are required to complete the life cycles of these parasites. The reduction in helminth diversity among expanded-range populations of green treefrogs lends some credence to the notion that individuals at the front of a range expansion often invest less energy in reproduction and in doing so allocate more energy to dispersal and other life-history traits, including resistance to parasites. There may, however, be other explanations for differences in parasite species diversity between historical and expanded-range populations of H. cinerea. Because many of the helminths reported from this study are host generalists of amphibians whose recruitment and transmission among intermediate and paratenic hosts are known to be constrained by water and/or soil moisture conditions, we cannot ignore the role of both local amphibian diversity and local abiotic factors in influencing helminth diversity between the 2 population types of green treefrogs. These latter factors would decrease the role of parasite escape or energy trade-offs in driving helminth diversity among populations of H. cinerea and instead would suggest that local conditions play a more prominent role in structuring their helminth communities.
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Affiliation(s)
- Dale D Edwards
- Department of Biology, University of Evansville, 1800 Lincoln Avenue, Evansville, Indiana 47722
| | - Noah M Gordon
- Department of Biology, University of Evansville, 1800 Lincoln Avenue, Evansville, Indiana 47722
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Gallo JA, Ezquiaga MC, Fasola L, Abba AM. Helminth-fauna of Patagonian armadillos: comparative analysis of parasites geographical variation. AN ACAD BRAS CIENC 2021; 93:e20210624. [PMID: 34706011 DOI: 10.1590/0001-3765202120210624] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 07/27/2021] [Indexed: 11/22/2022] Open
Abstract
The similarity between parasites communities' decay with distance and its analysis may explain important ecological process such host dispersion. Patagonia is inhabited by two armadillo species, Chaetophractus villosus and Zaedyus pichiy. In this study we describe and analyze the variation on helminth fauna of these armadillos in Patagonia compared with northern localities described in previous studies. A total of 49 armadillos were collected in Patagonia. Quantitative descriptors of parasite ecology were calculated and community structure of helminths was analyzed following the central-satellite species hypothesis. The parasite richness in Patagonia decreases almost 50% in both armadillos. Zaedyus pichiy present the same central species in Patagonia as in northern localities. For C. villosus central-satellite species analysis could not be applied. The loss of some helminths in Z. pichiy could be the result of lower temperatures or the absence of intermediate arthropods hosts. But in C. villosus the absence of some helminths with Patagonian distribution could be explained by its recent dispersion in Patagonia. Trichohelix tuberculata still being the only helminth in C. villosus introduced population of Tierra del Fuego.
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Affiliation(s)
- Jorge Alberto Gallo
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Dirección Regional Patagonia Norte de la Administración de Parques Nacionales (APN), Vicealmirante O'connor 1188, 8400, San Carlos de Bariloche, Rio Negro, Argentina.,Programa Patagonia, Aves Argentinas, Asociación Ornitológica del Plata, Matheu 1246, C1249AB, Ciudad Autónoma de Buenos Aires, Argentina.,Centro de Estudios Aplicados a la Conservación (CENAC-PNNH), Fagnano 244, 8400, San Carlos de Bariloche, Rio Negro, Argentina
| | - María Cecilia Ezquiaga
- Centro de Estudios Parasitológicos y de Vectores (CEPAVE), Universidad Nacional de La Plata, CONICET, 1900 La Plata, Buenos Aires, Argentina
| | - Laura Fasola
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Dirección Regional Patagonia Norte de la Administración de Parques Nacionales (APN), Vicealmirante O'connor 1188, 8400, San Carlos de Bariloche, Rio Negro, Argentina.,Programa Patagonia, Aves Argentinas, Asociación Ornitológica del Plata, Matheu 1246, C1249AB, Ciudad Autónoma de Buenos Aires, Argentina
| | - Agustín M Abba
- Centro de Estudios Parasitológicos y de Vectores (CEPAVE), Universidad Nacional de La Plata, CONICET, 1900 La Plata, Buenos Aires, Argentina
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Inoue K, Shishida K, Kawarai S, Takeda S, Minami M, Taira K. Helminthes detected from wild sika deer (Cervus nippon centralis) in Kanto-Chubu region, Japan. Parasitol Int 2021; 87:102485. [PMID: 34695592 DOI: 10.1016/j.parint.2021.102485] [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: 06/04/2021] [Revised: 10/16/2021] [Accepted: 10/19/2021] [Indexed: 11/19/2022]
Abstract
The helminth fauna of 105 sika deer (Cervus nippon centralis) captured in Yamanashi, Kanagawa and Nagano Prefectures, Japan was investigated during 2014-2019. As a result, 12 helminthes, i.e. 3 digeneans (Ogmocotyle sikae, Dicrocoelium chinensis and D. dendriticum), 8 nematodes (Gongylonema pulchrum, Dictyocaulus sp., Pygarginema sp., Spiculopteragia houdemeri, Chabaudstrongylus ninhae, Trichuris discolor, Oesophagostomum sikae and Oes. asperum), and 1 cestode (Moniezia sp.) were detected. To our knowledge, this is the first report of Pygarginema sp., Cha. ninhae, and Oes. asperum from sika deer in Japan. Some helminthes detected in the present study can infect livestock. Considering the possibility of the spread of the helminthes to livestock through deer excrement, it is important to promote understanding the parasite fauna in wild deer.
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Affiliation(s)
- Ken Inoue
- Laboratory of Parasitology, Joint Graduate School of Veterinary Medicine, Yamaguchi University, Japan; Laboratory of Nematology, Faculty of Agriculture, Saga University, Japan
| | - Kohei Shishida
- Laboratory of Parasitology, School of Veterinary Medicine, Azabu University, Japan
| | - Shinpei Kawarai
- Laboratory of Parasitology, School of Veterinary Medicine, Azabu University, Japan
| | - Shiro Takeda
- Laboratory of Parasitology, School of Veterinary Medicine, Azabu University, Japan
| | - Masato Minami
- Laboratory of Parasitology, School of Veterinary Medicine, Azabu University, Japan
| | - Kensuke Taira
- Laboratory of Parasitology, School of Veterinary Medicine, Azabu University, Japan.
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Foster R, Peeler E, Bojko J, Clark PF, Morritt D, Roy HE, Stebbing P, Tidbury HJ, Wood LE, Bass D. Pathogens co-transported with invasive non-native aquatic species: implications for risk analysis and legislation. NEOBIOTA 2021. [DOI: 10.3897/neobiota..71358] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Invasive Non-Native Species (INNS) can co-transport externally and internally other organisms including viruses, bacteria and other eukaryotes (including metazoan parasites), collectively referred to as the symbiome. These symbiotic organisms include pathogens, a small minority of which are subject to surveillance and regulatory control, but most of which are currently unscrutinized and/or unknown. These putatively pathogenetic symbionts can potentially pose diverse risks to other species, with implications for increased epidemiological risk to agriculture and aquaculture, wildlife/ecosystems, and human health (zoonotic diseases). The risks and impacts arising from co-transported known pathogens and other symbionts of unknown pathogenic virulence, remain largely unexplored, unlegislated, and difficult to identify and quantify. Here, we propose a workflow using PubMed and Google Scholar to systematically search existing literature to determine any known and potential pathogens of aquatic INNS. This workflow acts as a prerequisite for assessing the nature and risk posed by co-transported pathogens of INNS; of which a better understanding is necessary to inform policy and INNS risk assessments. Addressing this evidence gap will be instrumental to devise an appropriate set of statutory responsibilities with respect to these symbionts, and to underpin new and more effective legislative processes relating to the disease screening and risk assessment of INNS.
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Foster R, Peeler E, Bojko J, Clark PF, Morritt D, Roy HE, Stebbing P, Tidbury HJ, Wood LE, Bass D. Pathogens co-transported with invasive non-native aquatic species: implications for risk analysis and legislation. NEOBIOTA 2021. [DOI: 10.3897/neobiota.69.71358] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Invasive Non-Native Species (INNS) can co-transport externally and internally other organisms including viruses, bacteria and other eukaryotes (including metazoan parasites), collectively referred to as the symbiome. These symbiotic organisms include pathogens, a small minority of which are subject to surveillance and regulatory control, but most of which are currently unscrutinized and/or unknown. These putatively pathogenetic symbionts can potentially pose diverse risks to other species, with implications for increased epidemiological risk to agriculture and aquaculture, wildlife/ecosystems, and human health (zoonotic diseases). The risks and impacts arising from co-transported known pathogens and other symbionts of unknown pathogenic virulence, remain largely unexplored, unlegislated, and difficult to identify and quantify. Here, we propose a workflow using PubMed and Google Scholar to systematically search existing literature to determine any known and potential pathogens of aquatic INNS. This workflow acts as a prerequisite for assessing the nature and risk posed by co-transported pathogens of INNS; of which a better understanding is necessary to inform policy and INNS risk assessments. Addressing this evidence gap will be instrumental to devise an appropriate set of statutory responsibilities with respect to these symbionts, and to underpin new and more effective legislative processes relating to the disease screening and risk assessment of INNS.
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44
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Invasive Italian wall lizards outcompete native congeneric species in finding food in a Y-maze. Acta Ethol 2021. [DOI: 10.1007/s10211-021-00385-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Konno T, Tsukagoshi A. Crayfish co-introduced symbiotic ostracod found on native crab in Japan: The first record of epibiont ostracod found a new host. Parasitol Int 2021; 86:102475. [PMID: 34610466 DOI: 10.1016/j.parint.2021.102475] [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: 06/23/2021] [Revised: 09/24/2021] [Accepted: 09/26/2021] [Indexed: 10/20/2022]
Abstract
Ankylocythere sinuosa (Rioja, 1942), a symbiotic ostracod native to North America, was found from the Japanese mitten crab Eriocheir japonica (De Haan, 1835), a species native to Japan, collected from a pond in Shizuoka City, Shizuoka Prefecture, central Japan. Introduced North American crayfish Procambarus clarkii (Girard, 1852), which is a host of A. sinuosa in their native range, inhabits ponds sympatrically with Japanese mitten crabs, and it is thought that the ostracods transferred from the exotic crayfish to the native crabs. In recent years, along with the artificial transportation of crayfish around the world, their symbiotic ostracods also have been found on the body surfaces of exotic crayfish in Europe and Japan. However, no studies have confirmed the infestation of exotic ostracods on native crustaceans in the field. A wide range of developmental stages of A. sinuosa from juveniles to adults were found in Japanese mitten crabs, and mating individuals were also found. This strongly suggests that they can reproduce on the body surface of Japanese mitten crabs. In the future, it will be necessary to strengthen measures against alien species to prevent these exotic symbionts from infestating native ecosystems, and we also need to investigate the exact impact of this symbiont on Japanese mitten crabs.
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Affiliation(s)
- Tomoaki Konno
- Graduate School of Environmental Science, Hokkaido University, N10 W5, Sapporo City, Hokkaido 060-0810, Japan.
| | - Akira Tsukagoshi
- Department of Geoscience, Faculty of Science, Shizuoka University, Ohya 836, Shizuoka City 422-8529, Japan
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Belliard J, Beslagic S, Boucault J, Zahm A. Increasing Establishment of Non-native Fish Species in the Seine River Basin: Insights From Medium- and Long-Term Approaches. Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.687451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The spread of non-native species is nowadays recognized as a major threat to the biodiversity of freshwater ecosystems. However, for a very long time the introduction and acclimatization of new species has been perceived mainly as a source of wealth for human societies. Here, we examined the establishment of non-native fish species in the Seine River basin from a historical perspective by adopting a twofold approach. In a first step, at the whole basin scale, considering various written and archeological sources, we traced the chronology, over the last millennium, of the establishments of non-native species. In a second step, by analyzing fish monitoring from several hundred sites covering the diversity of rivers and streams, we examined the changes in numbers and abundance of non-native species in local fish communities over the last three decades. The first documented species introduction dates back to the 13th century but it is from the middle of the 19th century that the introduction attempts accelerated. Today, these introductions have reached an unprecedented level and 46% of the species recorded in the basin are non-native. During the last three decades, non-native species have continued to increase within fish communities both in terms of number of species and abundance of individuals. The most pronounced increases are noted on large rivers and sites where anthropic pressures are strong. Waterways connecting European basins, globalization of trade, and ongoing climate change provide a general background suggesting that the increase in the proportion of non-native species in the fish communities of the Seine River basin is likely to continue for several decades.
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The role of the non-indigenous pumpkinseed Lepomis gibbosus (Actinopterygii: Centrarchidae) in the life cycle of Bothriocephalus claviceps (Cestoda: Bothriocephalidae) in Europe. Parasitol Res 2021; 120:3163-3171. [PMID: 34401941 DOI: 10.1007/s00436-021-07268-8] [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: 04/01/2021] [Accepted: 07/22/2021] [Indexed: 10/20/2022]
Abstract
Infection of non-indigenous pumpkinseed (Lepomis gibbosus, Centrarchidae) with the bothriocephalidean cestode Bothriocephalus claviceps (Cestoda: Bothriocephalidae) was confirmed at several sites in the lower Oder river basin in Poland. The preferred host for this cestode species is the European eel (Anguilla anguilla), with a wide range of other fish species serving as paratenic hosts. The pumpkinseed showed a relatively high prevalence and abundance of larvae, along with several mature and gravid specimens, thereby confirming development of B. claviceps to the adult stage in an alternative host. As such, the pumpkinseed may represent an additional definitive host for this cestode, in addition to its role as a paratenic host, as previously recorded in other European regions. Our results indicate that inclusion of pumpkinseed as an additional definitive host in the cestode's life cycle, high infection of pumpkinseed with B. claviceps larvae and inclusion of pumpkinseed in the eel's diet could potentially lead to increased parasite pressure on native fish hosts. Further comparative studies or experimental testing will be required to confirm this.
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Finlay RW, Poole R, Rogan G, Dillane E, Cotter D, Reed TE. Hyper- and Hypo-Osmoregulatory Performance of Atlantic Salmon (Salmo salar) Smolts Infected With Pomphorhynchus tereticollis (Acanthocephala). Front Ecol Evol 2021. [DOI: 10.3389/fevo.2021.689233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Migratory species must cope with different parasite communities in different environments, but little is known about the ecophysiological effects of parasites on migratory performance. Some species/strains of acanthocephalan parasites in the genus Pomphorhynchus use anadromous salmonids as preferred definitive hosts, perforating the intestines, destroying mucosa and inducing inflammation–all of which might affect osmoregulatory function during transition between freshwater and marine environments. We used genetic barcoding to identify acanthocephalans in the intestines of wild Irish Atlantic salmon (Salmo salar L.) smolts as being the recently taxonomically resurrected species Pomphorhynchus tereticollis. We then investigated whether natural infection intensities of this parasite were associated with reduced osmoregulatory performance, as measured by plasma chloride concentrations, or potentially elevated stress, as measured by blood glucose, of hosts in freshwater or saltwater environments (24 or 72 h in ∼26PPT salt water, reflecting salinities of coastal waters through which smolts migrate). Although infection prevalence was high amongst sampled smolts, no associations were found within or across treatment groups between parasite abundance and plasma chloride concentrations or blood glucose levels. We found no intestinal perforations that would indicate P. tereticollis had recently vacated the intestines of smolts in either of the saltwater groups. Exploratory sampling in the 2 years preceding the experiment indicated that parasite prevalence and abundance are consistently high and comparable to the experimental individuals. Collectively, these results indicate that naturally occurring abundances of P. tereticollis do not reduce osmoregulatory function or affect blood glucose content in fresh water or within 72 h of entering coastal waters, although delayed pathologies affecting marine survival may occur. Future consideration of ecophysiological interactions between anadromous fish hosts and their parasites across different osmotic environments should provide general insights into coevolution between migratory hosts and their parasites.
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Romeo C, Piscitelli AP, Santicchia F, Martinoli A, Ferrari N, Wauters LA. Invading parasites: spillover of an alien nematode reduces survival in a native species. Biol Invasions 2021. [DOI: 10.1007/s10530-021-02611-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
AbstractIt is widely assumed that spillover of alien parasites to native host species severely impacts naïve populations, ultimately conferring a competitive advantage to invading hosts that introduced them. Despite such host-switching events occurring in biological invasions, studies demonstrating the impact of alien macroparasites on native animal hosts are surprisingly few. In Europe, native red squirrels (Sciurus vulgaris) are replaced by introduced North American grey squirrels (S. carolinensis) mainly through resource competition, and, only in the United Kingdom and Ireland, by competition mediated by a viral disease. In Italy such disease is absent, but spillover of an introduced North American nematode (Strongyloides robustus) from grey to red squirrels is known to occur. Here, we used long-term (9 years) capture-mark-recapture and parasitological data of red squirrels in areas co-inhabited by grey squirrels in Northern Italy to investigate the impact of this alien helminth on naïve native squirrels’ body mass, local survival, and reproduction of females. We found no negative effect of the alien parasite on body mass or reproductive success, but intensity of infection by S. robustus reduced survival of both male and female squirrels. Significantly, survival of squirrels co-infected by their native nematode, Trypanoxyuris sciuri, was less affected by S. robustus, suggesting a protective effect of the native helminth against the new infection. Hence, we demonstrate that alien S. robustus spillover adds to the detrimental effects of resource competition and stress induced by grey squirrels, further reducing the fitness of the native species in the presence of the invasive competitor.
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50
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Oyarzún-Ruiz P, Cárdenas G, Fuente MCSDL, Martin N, Mironov S, Cicchino A, Kinsella JM, Moreno L, González-Acuña D. Parasitic fauna of the invasive house sparrow (Passer domesticus) from Ñuble region, Chile: an example of co-introduced parasites. ACTA ACUST UNITED AC 2021; 30:e004221. [PMID: 34378768 DOI: 10.1590/s1984-29612021068] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 06/29/2021] [Indexed: 11/21/2022]
Abstract
Invasive species impact native wildlife in several ways, as they compete for resources and may transmit their specific pathogens. However, the potential consequences of co-introduced parasites are not fully understood. While the house sparrow (Passer domesticus) was introduced in Chile about a century ago, no data are available regarding its parasites. Thus, the aim of the present study was to determine the parasitic fauna of this avian invader and to determine whether there are co-introduced/co-invasive parasites shared with native birds. One hundred and eight birds were collected from three different localities in the Ñuble region of Chile, and a complete parasitic necropsy was performed in the laboratory. Twenty-three (21.3%) were parasitized by six arthropod species and four (3.7%) were parasitized by two helminth species. Four out of eight taxa are reported for the first time in Chile; among them, three arthropod parasites and the tapeworm, Anonchotaenia globate, are considered as co-introduced parasites. Only A. globata is a potential co-invasive parasite given its low degree specificity in terms of its definitive hosts. Future research should examine whether additional co-introduced/co-invasive parasites have been brought by the house sparrow, and what their potential consequences might be on the health of native birds in Chile.
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Affiliation(s)
- Pablo Oyarzún-Ruiz
- Laboratorio de Parásitos y Enfermedades en Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile.,Becario ANID Programa de Doctorado en Ciencias Veterinarias, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
| | - Guissel Cárdenas
- Laboratorio de Parásitos y Enfermedades en Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
| | | | - Nicolás Martin
- Laboratorio de Parásitos y Enfermedades en Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
| | - Sergey Mironov
- Zoological Institute, Russian Academy of Sciences, Universitetskaya Embankment 1, Saint Petersburg, Russia
| | | | | | - Lucila Moreno
- Departamento de Zoología, Facultad de Ciencias Naturales y Oceanográficas, Universidad de Concepción, Barrio Universitario, Concepción, Chile
| | - Daniel González-Acuña
- Laboratorio de Parásitos y Enfermedades en Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad de Concepción, Chillán, Chile
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