1
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Minaz M, Ipek ZZ, Bayçelebi E, Oral M, Mutlu T, Karsli B, Kayis S. Effect of parasitic infection on microplastic ingestion in a native leuciscid hybrid species (Alburnus derjugini x Squalius orientalis) from Kürtün Dam Lake, Türkiye. CHEMOSPHERE 2024; 363:142978. [PMID: 39084304 DOI: 10.1016/j.chemosphere.2024.142978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 07/24/2024] [Accepted: 07/29/2024] [Indexed: 08/02/2024]
Abstract
Microplastic (MP) pollution is currently one of the most serious environmental issues. MPs were investigated in the Kürtün Dam Lake in healthy individuals of the native leuciscid hybrid (Alburnus derjugini x Squalius orientalis) species and individuals infected with the Ligula intestinalis parasite. Although MP abundance appeared to be higher in non-infected fish (NIF) than in L. intestinalis (L) and infected fish (IF), the MP abundance in IF was higher, because the parasite theoretically belongs to IF. In addition to the observation of MPs in the gastrointestinal tract (GIT) of fish, the diffusion of MPs by parasites settled in the body cavity indicates that MPs are not only present in the GIT. Therefore, predation on existing fish by birds causes MP dispersion. In the present study, the most common MP shape was fiber (100% for NIF and IF, 85.7% for L), the MP color was black (57.1% for IF and L) and orange (50% for NIF), and the polymer type was polyamide (57.1% for IF, 50% for NIF) and polyethylene terephthalate (28.5% for L). These MP compositions led us to believe that textile effluents and aquaculture operations in dam lakes could be sources of pollution. Therefore, this study provides insights for future research to elucidate the connection between MP consumption and parasite infection.
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Affiliation(s)
- Mert Minaz
- Faculty of Fisheries, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye.
| | - Zeynep Zehra Ipek
- Faculty of Fisheries, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye
| | - Esra Bayçelebi
- Faculty of Fisheries, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye
| | - Munevver Oral
- Faculty of Fisheries, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye
| | - Tanju Mutlu
- Vocational School of Technical Sciences, Recep Tayyip Erdogan University, 53100, Rize, Türkiye
| | - Baris Karsli
- Faculty of Fisheries, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye
| | - Sevki Kayis
- Faculty of Fisheries, Recep Tayyip Erdoğan University, 53100, Rize, Türkiye
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2
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Aytan Ü, Esensoy FB, Arifoğlu E, Ipek ZZ, Kaya C. Plastics in an endemic fish species (Alburnus sellal) and its parasite (Ligula intestinalis) in the Upper Tigris River, Türkiye. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 900:165604. [PMID: 37482361 DOI: 10.1016/j.scitotenv.2023.165604] [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: 03/15/2023] [Revised: 07/12/2023] [Accepted: 07/15/2023] [Indexed: 07/25/2023]
Abstract
Occurrence of micro-, meso- and macroplastics in Alburnus sellal and its parasite Ligula intestinalis is reported for the first time in the Tigris River, one of the two large rivers that defines Mesopotamia. Plastic occurrence was assessed from museum fish materials collected in the upper Tigris River between 2007 and 2021. Plastics were found in 57 % of A. sellal specimens (536 individuals) and in 74 % of L. intestinalis specimens (57 individuals). Mean plastic ingestion was 1.27 ± 1.30 items. fish-1 and 1.77 ± 1.79 items. parasite-1 considering all the fish and parasites analysed. Fibres were the most common types of plastics, comprising 96.2 % and 81 % of plastics in A. sellal and L. intestinalis, respectively. Black was the most common colour of plastics found in both fish (37 %) and parasite specimens (58 %). Microplastics comprised 95.5 % and 100 % of plastics found in A. sellal and L. intestinalis, respectively. In both specimens acrylic (PAN) was the most common polymer as confirmed by FTIR spectroscopy. Differences in plastic ingestion were not significantly over time and among regions. No significant correlation was found between plastics ingestion by fish and by parasites. The present assessment shows that native fish species of the Tigris River have been contaminated by plastics by more than a decade. Our results contribute to a better understanding of the status of plastic pollution in fish and parasites, provide plastic pollution baseline data for the Tigris River and highlight the urgent need to elucidate on the distribution and fate of plastics in freshwater environments and their effects on the ecosystem and humans.
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Affiliation(s)
- Ülgen Aytan
- Recep Tayyip Erdogan University, Faculty of Fisheries, 53100 Rize, Turkiye.
| | - F Basak Esensoy
- Recep Tayyip Erdogan University, Faculty of Fisheries, 53100 Rize, Turkiye
| | - Esra Arifoğlu
- Recep Tayyip Erdogan University, Faculty of Fisheries, 53100 Rize, Turkiye
| | - Zeynep Z Ipek
- Recep Tayyip Erdogan University, Faculty of Fisheries, 53100 Rize, Turkiye
| | - Cüneyt Kaya
- Recep Tayyip Erdogan University, Faculty of Fisheries, 53100 Rize, Turkiye
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3
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Gopko M, Tkachenko D, Shpagina A, Maximenko D, Mironova E. Is vision deterioration responsible for changes in the host's behavior caused by eye flukes? Int J Parasitol 2023; 53:731-738. [PMID: 37419175 DOI: 10.1016/j.ijpara.2023.06.001] [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: 12/06/2022] [Revised: 05/23/2023] [Accepted: 06/06/2023] [Indexed: 07/09/2023]
Abstract
Trematodes localizing in the lenses of fish change the behavior of their hosts. These behavioral changes are widely suggested to be parasitic manipulations of host behavior aimed at increasing the possibility of eye flukes completing their life cycle. It is often assumed that fish change their behavior due to the vision deterioration caused by trematode larvae. We checked this assumption by testing Salvelinus malma infected with eye flukes (Diplostomum pseudospathaceum) under different lighting conditions. We suggested that if the parasite alters the host's behavior through vision impairment, then in the dark (when fish do not rely on vision to navigate), the difference in the behavior of infected and uninfected fish would disappear. Eye flukes, indeed, changed fish behavior, making their hosts less vigilant. We believe this is the first evidence of possible parasitic manipulation in this study system. However, contrary to expectations, the difference in the behavior of infected and control fish was independent of the lighting conditions. Our results suggest that mechanisms of behavioral change other than vision impairment should be taken into account in this fish-eye fluke study system.
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Affiliation(s)
- Mikhail Gopko
- A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskij prosp., 33, 119071 Moscow, Russia.
| | - Darya Tkachenko
- Russian State Agrarian University - Moscow Timiryazev Agricultural Academy, Timiryazevskaya St., 49, 127550 Moscow, Russia; N.F. Gamaleya National Research Center, Medgamal branch, Gamaleya St., 18, 123098 Moscow, Russia
| | - Anastasia Shpagina
- A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskij prosp., 33, 119071 Moscow, Russia; Russian State Agrarian University - Moscow Timiryazev Agricultural Academy, Timiryazevskaya St., 49, 127550 Moscow, Russia
| | - Darya Maximenko
- Russian State Agrarian University - Moscow Timiryazev Agricultural Academy, Timiryazevskaya St., 49, 127550 Moscow, Russia
| | - Ekaterina Mironova
- A.N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskij prosp., 33, 119071 Moscow, Russia
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Scott ME. Helminth-host-environment interactions: Looking down from the tip of the iceberg. J Helminthol 2023; 97:e59. [PMID: 37486085 DOI: 10.1017/s0022149x23000433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/25/2023]
Abstract
In 1978, the theory behind helminth parasites having the potential to regulate the abundance of their host populations was formalized based on the understanding that those helminth macroparasites that reduce survival or fecundity of the infected host population would be among the forces limiting unregulated host population growth. Now, 45 years later, a phenomenal breadth of factors that directly or indirectly affect the host-helminth interaction has emerged. Based largely on publications from the past 5 years, this review explores the host-helminth interaction from three lenses: the perspective of the helminth, the host, and the environment. What biotic and abiotic as well as social and intrinsic host factors affect helminths? What are the negative, and positive, implications for host populations and communities? What are the larger-scale implications of the host-helminth dynamic on the environment, and what evidence do we have that human-induced environmental change will modify this dynamic? The overwhelming message is that context is everything. Our understanding of second-, third-, and fourth-level interactions is extremely limited, and we are far from drawing generalizations about the myriad of microbe-helminth-host interactions.Yet the intricate, co-evolved balance and complexity of these interactions may provide a level of resilience in the face of global environmental change. Hopefully, this albeit limited compilation of recent research will spark new interdisciplinary studies, and application of the One Health approach to all helminth systems will generate new and testable conceptual frameworks that encompass our understanding of the host-helminth-environment triad.
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Affiliation(s)
- M E Scott
- Institute of Parasitology, McGill University (Macdonald Campus), 21,111 Lakeshore Road, Ste-Anne de Bellevue, QuebecH9X 3V9, Canada
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Jensen CH, Weidner J, Giske J, Jørgensen C, Eliassen S, Mennerat A. Adaptive host responses to infection can resemble parasitic manipulation. Ecol Evol 2023; 13:e10318. [PMID: 37456066 PMCID: PMC10349281 DOI: 10.1002/ece3.10318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 06/22/2023] [Accepted: 07/04/2023] [Indexed: 07/18/2023] Open
Abstract
Using a dynamic optimisation model for juvenile fish in stochastic food environments, we investigate optimal hormonal regulation, energy allocation and foraging behaviour of a growing host infected by a parasite that only incurs an energetic cost. We find it optimal for the infected host to have higher levels of orexin, growth and thyroid hormones, resulting in higher activity levels, increased foraging and faster growth. This growth strategy thus displays several of the fingerprints often associated with parasite manipulation: higher levels of metabolic hormones, faster growth, higher allocation to reserves (i.e. parasite-induced gigantism), higher risk-taking and eventually higher predation rate. However, there is no route for manipulation in our model, so these changes reflect adaptive host compensatory responses. Interestingly, several of these changes also increase the fitness of the parasite. Our results call for caution when interpreting observations of gigantism or risky host behaviours as parasite manipulation without further testing.
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Affiliation(s)
| | | | - Jarl Giske
- Department of Biological SciencesUniversity of BergenBergenNorway
| | | | - Sigrunn Eliassen
- Department of Biological SciencesUniversity of BergenBergenNorway
| | - Adèle Mennerat
- Department of Biological SciencesUniversity of BergenBergenNorway
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6
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Nazarizadeh M, Nováková M, Loot G, Gabagambi NP, Fatemizadeh F, Osano O, Presswell B, Poulin R, Vitál Z, Scholz T, Halajian A, Trucchi E, Kočová P, Štefka J. Historical dispersal and host-switching formed the evolutionary history of a globally distributed multi-host parasite - The Ligula intestinalis species complex. Mol Phylogenet Evol 2023; 180:107677. [PMID: 36572162 DOI: 10.1016/j.ympev.2022.107677] [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: 10/20/2022] [Revised: 12/06/2022] [Accepted: 12/12/2022] [Indexed: 12/25/2022]
Abstract
Studies on parasite biogeography and host spectrum provide insights into the processes driving parasite diversification. Global geographical distribution and a multi-host spectrum make the tapeworm Ligula intestinalis a promising model for studying both the vicariant and ecological modes of speciation in parasites. To understand the relative importance of host association and biogeography in the evolutionary history of this tapeworm, we analysed mtDNA and reduced-represented genomic SNP data for a total of 139 specimens collected from 18 fish-host genera across a distribution range representing 21 countries. Our results strongly supported the existence of at least 10 evolutionary lineages and estimated the deepest divergence at approximately 4.99-5.05 Mya, which is much younger than the diversification of the fish host genera and orders. Historical biogeography analyses revealed that the ancestor of the parasite diversified following multiple vicariance events and was widespread throughout the Palearctic, Afrotropical, and Nearctic between the late Miocene and early Pliocene. Cyprinoids were inferred as the ancestral hosts for the parasite. Later, from the late Pliocene to Pleistocene, new lineages emerged following a series of biogeographic dispersal and host-switching events. Although only a few of the current Ligula lineages show narrow host-specificity (to a single host genus), almost no host genera, even those that live in sympatry, overlapped between different Ligula lineages. Our analyses uncovered the impact of historical distribution shifts on host switching and the evolution of host specificity without parallel host-parasite co-speciation. Historical biogeography reconstructions also found that the parasite colonized several areas (Afrotropical and Australasian) much earlier than was suggested by only recent faunistic data.
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Affiliation(s)
- Masoud Nazarizadeh
- Faculty of Science, University of South Bohemia, České Budějovice, Czech Republic; Institute of Parasitology, Biology Centre CAS, České Budějovice, Czech Republic
| | - Milena Nováková
- Institute of Parasitology, Biology Centre CAS, České Budějovice, Czech Republic
| | - Géraldine Loot
- UMR-5174, EDB (Laboratoire Evolution and Diversité Biologique), CNRS, IRD, Université Toulouse III Paul Sabatier, France
| | | | - Faezeh Fatemizadeh
- Department of Environmental Science, Faculty of Natural Resources, University of Tehran, Karaj, Iran
| | - Odipo Osano
- School of Environmental Studies, University of Eldoret, Kenya
| | | | - Robert Poulin
- Department of Zoology, University of Otago, Dunedin, New Zealand
| | - Zoltán Vitál
- Research Center for Fisheries and Aquaculture, Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, Szarvas, Hungary
| | - Tomáš Scholz
- Faculty of Science, University of South Bohemia, České Budějovice, Czech Republic; Institute of Parasitology, Biology Centre CAS, České Budějovice, Czech Republic
| | - Ali Halajian
- Research Administration and Development, and 2-DSI-NRF SARChI Chair (Ecosystem health), Department of Biodiversity, University of Limpopo, South Africa
| | - Emiliano Trucchi
- Department of Life and Environmental Sciences, Marche Polytechnic University, Ancona, Italy
| | | | - Jan Štefka
- Faculty of Science, University of South Bohemia, České Budějovice, Czech Republic; Institute of Parasitology, Biology Centre CAS, České Budějovice, Czech Republic.
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7
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Jones NAR, Webster MM, Salvanes AGV. Physical enrichment research for captive fish: Time to focus on the DETAILS. JOURNAL OF FISH BIOLOGY 2021; 99:704-725. [PMID: 33942889 DOI: 10.1111/jfb.14773] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/22/2021] [Accepted: 04/30/2021] [Indexed: 06/12/2023]
Abstract
Growing research effort has shown that physical enrichment (PE) can improve fish welfare and research validity. However, the inclusion of PE does not always result in positive effects and conflicting findings have highlighted the many nuances involved. Effects are known to depend on species and life stage tested, but effects may also vary with differences in the specific items used as enrichment between and within studies. Reporting fine-scale characteristics of items used as enrichment in studies may help to reveal these factors. We conducted a survey of PE-focused studies published in the last 5 years to examine the current state of methodological reporting. The survey results suggest that some aspects of enrichment are not adequately detailed. For example, the amount and dimensions of objects used as enrichment were frequently omitted. Similarly, the ecological relevance, or other justification, for enrichment items was frequently not made explicit. Focusing on ecologically relevant aspects of PE and increasing the level of detail reported in studies may benefit future work and we propose a framework with the acronym DETAILS (Dimensions, Ecological rationale, Timing of enrichment, Amount, Inputs, Lighting and Social environment). We outline the potential importance of each of the elements of this framework with the hope it may aid in the level of reporting and standardization across studies, ultimately aiding the search for more beneficial types of PE and the development of our understanding and ability to improve the welfare of captive fish and promote more biologically relevant behaviour.
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Affiliation(s)
- Nick A R Jones
- Centre for Biological Diversity, School of Biology, University of St Andrews, St Andrews, UK
| | - Mike M Webster
- Centre for Biological Diversity, School of Biology, University of St Andrews, St Andrews, UK
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8
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The Adaptiveness of Host Behavioural Manipulation Assessed Using Tinbergen's Four Questions. Trends Parasitol 2021; 37:597-609. [PMID: 33568325 DOI: 10.1016/j.pt.2021.01.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 01/17/2021] [Accepted: 01/18/2021] [Indexed: 11/20/2022]
Abstract
Host organisms show altered phenotypic reactions when parasitised, some of which result from adaptive host manipulation, a phenomenon that has long been debated. Here, we provide an overview and discuss the rationale in distinguishing adaptive versus nonadaptive host behavioural manipulation. We discuss Poulin's criteria of adaptive host behavioural manipulation within the context of Tinbergen's four questions of ethology, while highlighting the importance of both the proximate and evolutionary explanations of such traits. We also provide guidelines for future studies exploring the adaptiveness of host behavioural manipulation. Through this article, we seek to encourage researchers to consider both the proximate and ultimate causes of host behavioural manipulation to infer on the adaptiveness of such traits.
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9
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Gabagambi NP, Skorping A, Chacha M, Jonathan Kihedu K, Mennerat A. Life history shifts in an exploited African fish following invasion by a castrating parasite. Ecol Evol 2020; 10:13225-13235. [PMID: 33304532 PMCID: PMC7713912 DOI: 10.1002/ece3.6917] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 09/22/2020] [Accepted: 09/24/2020] [Indexed: 01/19/2023] Open
Abstract
Evolutionary theory predicts that infection by a parasite that reduces future host survival or fecundity should select for increased investment in current reproduction. In this study, we use the cestode Ligula intestinalis and its intermediate fish host Engraulicypris sardella in Wissman Bay, Lake Nyasa (Tanzania), as a model system. Using data about infection of E. sardella fish hosts by L. intestinalis collected for a period of 10 years, we explored whether parasite infection affects the fecundity of the fish host E. sardella, and whether host reproductive investment has increased at the expense of somatic growth. We found that L. intestinalis had a strong negative effect on the fecundity of its intermediate fish host. For the noninfected fish, we observed an increase in relative gonadal weight at maturity over the study period, while size at maturity decreased. These findings suggest that the life history of E. sardella has been shifting toward earlier reproduction. Further studies are warranted to assess whether these changes reflect plastic or evolutionary responses. We also discuss the interaction between parasite and fishery-mediated selection as a possible explanation for the decline of E. sardella stock in the lake.
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Affiliation(s)
| | - Arne Skorping
- Department of Biological SciencesUniversity of BergenBergenNorway
| | - Mwita Chacha
- Department of Aquatic Sciences and Fisheries TechnologyCollege of Agricultural Sciences and Fisheries TechnologyUniversity of Dar es SalaamDar es SalaamTanzania
| | | | - Adele Mennerat
- Department of Biological SciencesUniversity of BergenBergenNorway
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