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Carreira BM, Kolář V, Chmelová E, Jan J, Adašević J, Landeira-Dabarca A, Vebrová L, Poláková M, Horká P, Otáhalová Š, Musilová Z, Borovec J, Tropek R, Boukal DS. Bioaccumulation of chemical elements at post-industrial freshwater sites varies predictably between habitats, elements and taxa: A power law approach. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 901:165794. [PMID: 37527719 DOI: 10.1016/j.scitotenv.2023.165794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 05/22/2023] [Accepted: 07/23/2023] [Indexed: 08/03/2023]
Abstract
Elevated environmental levels of elements originating from anthropogenic activities threaten natural communities and public health, as these elements can persist and bioaccumulate in the environment. However, their environmental risks and bioaccumulation patterns are often habitat-, species- and element-specific. We studied the bioaccumulation patterns of 11 elements in seven freshwater taxa in post-mining habitats in the Czech Republic, ranging from less polluted mining ponds to highly polluted fly ash lagoons. We found nonlinear, power-law relationships between the environmental and tissue concentrations of the elements, which may explain differences in bioaccumulation factors (BAF) reported in the literature. Tissue concentrations were driven by the environmental concentrations in non-essential elements (Al, As, Co, Cr, Ni, Pb and V), but this dependence was limited in essential elements (Cu, Mn, Se and Zn). Tissue concentrations of most elements were also more closely related to substrate than to water concentrations. Bioaccumulation was habitat specific in eight elements: stronger in mining ponds for Al and Pb, and stronger in fly ash lagoons for As, Cu, Mn, Pb, Se, V and Zn, although the differences were often minor. Bioaccumulation of some elements further increased in mineral-rich localities. Proximity to substrate, rather than trophic level, drove increased bioaccumulation levels across taxa. This highlights the importance of substrate as a pollutant reservoir in standing freshwaters and suggests that benthic taxa, such as molluscs (e.g., Physella) and other macroinvertebrates (e.g., Nepa), constitute good bioindicators. Despite the higher environmental risks in fly ash lagoons than in mining ponds, the observed ability of freshwater biota to sustain pollution supports the conservation potential of post-industrial sites. The power law approach used here to quantify and disentangle the effects of various bioaccumulation drivers may be helpful in additional contexts, increasing our ability to predict the effects of other contaminants and environmental hazards on biota.
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Affiliation(s)
- Bruno M Carreira
- University of South Bohemia, Faculty of Science, Departments of Ecosystem Biology and Botany, Branišovská 1760, 37005 České Budějovice, Czechia; Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 1160/31, 37005 České Budějovice, Czechia; cE3c - Centre for Ecology, Evolution and Environmental Changes & CHANGE - Global Change and Sustainability Institute, Faculty of Sciences of the University of Lisbon, Edifício C2, Campo Grande, 1749-016 Lisbon, Portugal.
| | - Vojtěch Kolář
- University of South Bohemia, Faculty of Science, Departments of Ecosystem Biology and Botany, Branišovská 1760, 37005 České Budějovice, Czechia; Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 1160/31, 37005 České Budějovice, Czechia.
| | - Eliška Chmelová
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 1160/31, 37005 České Budějovice, Czechia; Charles University, Faculty of Science, Department of Ecology, Viničná 7, 12844 Prague, Czechia.
| | - Jiří Jan
- University of South Bohemia, Faculty of Science, Departments of Ecosystem Biology and Botany, Branišovská 1760, 37005 České Budějovice, Czechia; Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 1160/31, 37005 České Budějovice, Czechia.
| | - Josip Adašević
- HAS Den Bosch University of Applied Science, Department of Biology, Animal and Environment, Has Green Academy, Po Box 90108, 5200 MA's-Hertogenbosch, the Netherlands.
| | - Andrea Landeira-Dabarca
- University of South Bohemia, Faculty of Science, Departments of Ecosystem Biology and Botany, Branišovská 1760, 37005 České Budějovice, Czechia; Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 1160/31, 37005 České Budějovice, Czechia.
| | - Lucie Vebrová
- University of South Bohemia, Faculty of Science, Departments of Ecosystem Biology and Botany, Branišovská 1760, 37005 České Budějovice, Czechia.
| | - Martina Poláková
- University of South Bohemia, Faculty of Science, Departments of Ecosystem Biology and Botany, Branišovská 1760, 37005 České Budějovice, Czechia; Masaryk University, Faculty of Science, Department of Botany and Zoology, Kotlářská 2, 61137 Brno, Czechia.
| | - Petra Horká
- Charles University, Faculty of Science, Institute of Environmental Studies, Benátská 2, 12801 Prague, Czechia.
| | - Šárka Otáhalová
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 1160/31, 37005 České Budějovice, Czechia.
| | - Zuzana Musilová
- Charles University, Faculty of Science, Department of Zoology, Viničná 7, 12844 Prague, Czechia.
| | - Jakub Borovec
- University of South Bohemia, Faculty of Science, Departments of Ecosystem Biology and Botany, Branišovská 1760, 37005 České Budějovice, Czechia; Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 1160/31, 37005 České Budějovice, Czechia.
| | - Robert Tropek
- Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 1160/31, 37005 České Budějovice, Czechia; Charles University, Faculty of Science, Department of Ecology, Viničná 7, 12844 Prague, Czechia.
| | - David S Boukal
- University of South Bohemia, Faculty of Science, Departments of Ecosystem Biology and Botany, Branišovská 1760, 37005 České Budějovice, Czechia; Biology Centre of the Czech Academy of Sciences, Institute of Entomology, Branišovská 1160/31, 37005 České Budějovice, Czechia.
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Leite LAR, Agostinho BN, Oliveira SLP, Pedreira Filho WDR, de Azevedo RK, Abdallah VD. Trace metal accumulation is infrapopulation-dependent in acanthocephalans parasites of the white mullet (Mugil curema) from an estuarine environment of southeastern Brazil coast. MARINE POLLUTION BULLETIN 2023; 194:115374. [PMID: 37552925 DOI: 10.1016/j.marpolbul.2023.115374] [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: 05/19/2023] [Revised: 07/29/2023] [Accepted: 08/01/2023] [Indexed: 08/10/2023]
Abstract
Here, in an estuarine canal in southeast Brazil, we evaluated the potential for trace metal accumulation of the acanthocephalan parasite Floridosentis mugilis, which infects the fish host Mugil curema. The quantities of the trace metals were quantified using Inductively Coupled Plasma Mass Spectrometry (ICP-MS), which was used to analyze samples of the fish's muscle, intestine, and liver as well as the parasites. The parasites and the host's tissues had significantly different trace metal concentrations, according to our data. Furthermore, some metals have quite high bioconcentration factors, including Al, Cr, Ni, and Cd. We also found that the trace metal concentrations in the parasites were impacted by the sizes of the parasitic infrapopulations, with smaller infrapopulations tending to accumulate more metals. This study shows this acanthocephalan species' effective ability to store metals and is the first to investigate metal accumulation using it as a model.
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Affiliation(s)
- Lucas Aparecido Rosa Leite
- Universidade Federal de Alagoas (UFAL), Instituto de Ciências Biológicas e da Saúde, Setor de Parasitologia e Patologia, Maceió, Brazil.
| | - Beatriz Narciso Agostinho
- Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP), Instituto de Biociências, Departamento de Parasitologia, Botucatu, Brazil
| | - Sarah Letícia Paiva Oliveira
- Universidade Federal de Alagoas (UFAL), Instituto de Ciências Biológicas e da Saúde, Setor de Parasitologia e Patologia, Maceió, Brazil
| | - Walter Dos Reis Pedreira Filho
- Fundação Jorge Duprat Figueiredo de Segurança e Medicina do Trabalho (FUNDACENTRO), Centro Técnico Nacional (CTN), Divisão de Agentes Químicos (DQi), São Paulo, Brazil
| | | | - Vanessa Doro Abdallah
- Universidade Federal de Alagoas (UFAL), Instituto de Ciências Biológicas e da Saúde, Setor de Parasitologia e Patologia, Maceió, Brazil
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Polak-Juszczak L. Total mercury and methylmercury in garfish (Belone belone) of different body weights, sizes, ages, and sexes. J Trace Elem Med Biol 2023; 79:127220. [PMID: 37244047 DOI: 10.1016/j.jtemb.2023.127220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 05/19/2023] [Accepted: 05/22/2023] [Indexed: 05/29/2023]
Abstract
BACKGROUND Garfish, (Belone belone) is a migratory pelagic fish that inhabits the waters of coastal Europe, North Africa, the North Sea, the Mediterranean Sea. Little information about garfish has been disseminated mainly because of its low abundance and its brief occurrence in various water bodies. Data is lacking on mercury compounds, particularly dangerous the toxic organic form of methylmercury (MeHg), which endangers the health of fish and their consumers. METHODS The research material was garfish caught off the southern Baltic Sea coast in Puck Bay during the spawning period. Total mercury (THg) content was assayed with the cold vapour atomic absorption method in an AMA 254 mercury analyser. The MeHg extraction procedure was based on three-step sequential extraction method: hydrolysis using of hydrochloric acid, extract by toluene, bind the MeHg by L-cysteine. RESULTS The concentrations of THg and MeHg was determined in the muscle of garfish. The highest concentrations of THg (0.210 mg kg-1) and MeHg (0154 mg kg-1) were detected in the longest specimens (80 cm). The THg and MeHg concentrations in garfish muscles increased with specimens length, weight and age, which was confirmed by positive correlations. Differences were also noted depending on sex. Males accumulated more THg and MeHg than did females. The mercury in garfish from the southern Baltic Sea occurred mainly in its organic form MeHg and accounted for 84.7% of the THg. CONCLUSION Significant differences were noted in mercury concentrations depends on length, weight, age and sex. Concentration of MeHg in garfish must be done by length class, and fish sex when selecting this fish for contamination studies and risk assessment. The toxic MeHg in garfish tissues did not pose a threat to the health of consumers, as indicated by the low values of EDI, TWI and THQ indices.
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Affiliation(s)
- Lucyna Polak-Juszczak
- National Marine Fisheries Research Institute, Department of Food and Environmental Chemistry, Kołłątaja 1, 81-332 Gdynia, Poland.
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Pravdová M, Kolářová J, Grabicová K, Janáč M, Randák T, Ondračková M. Response of Parasite Community Composition to Aquatic Pollution in Common Carp ( Cyprinus carpio L.): A Semi-Experimental Study. Animals (Basel) 2023; 13:ani13091464. [PMID: 37174501 PMCID: PMC10177495 DOI: 10.3390/ani13091464] [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: 02/25/2023] [Revised: 04/20/2023] [Accepted: 04/22/2023] [Indexed: 05/15/2023] Open
Abstract
The response of parasite communities to aquatic contamination has been shown to vary with both type of pollutant and parasite lifestyle. In this semi-experimental study, we examined uptake of pharmaceutical compounds in common carp (Cyprinus carpio L.) restocked from a control pond to a treatment pond fed with organic pollution from a sewage treatment plant and assessed changes in parasite community composition and fish biometric parameters. The parasite community of restocked fish changed over the six-month exposure period, and the composition of pharmaceutical compounds in the liver and brain was almost the same as that in fish living in the treatment pond their whole life. While fish size and weight were significantly higher in both treatment groups compared to the control, condition indices, including condition factor, hepatosomatic index, and splenosomatic index, were significantly higher in control fish. Parasite diversity and species richness decreased at the polluted site, alongside a significant increase in the abundance of a single parasite species, Gyrodactylus sprostonae. Oviparous monogeneans of the Dactylogyridae and Diplozoidae families and parasitic crustaceans responded to pollution with a significant decrease in abundance, the reduction in numbers most likely related to the sensitivity of their free-living stages to pollution.
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Affiliation(s)
- Markéta Pravdová
- Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 00 Brno, Czech Republic
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Jitka Kolářová
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, University of South Bohemia in České Budějovice, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Kateřina Grabicová
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, University of South Bohemia in České Budějovice, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Michal Janáč
- Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 00 Brno, Czech Republic
| | - Tomáš Randák
- Faculty of Fisheries and Protection of Waters, South Bohemian Research Centre of Aquaculture and Biodiversity of Hydrocenoses, University of South Bohemia in České Budějovice, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Markéta Ondračková
- Czech Academy of Sciences, Institute of Vertebrate Biology, Květná 8, 603 00 Brno, Czech Republic
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Gilbert BM, Jirsa F, Avenant-Oldewage A. First record of trace element accumulation in a freshwater ectoparasite, Paradiplozoon ichthyoxanthon (Monogenea; Diplozoidae), infecting the gills of two yellowfish species, Labeobarbus aeneus and Labeobarbus kimberleyensis. J Trace Elem Med Biol 2022; 74:127053. [PMID: 35939924 DOI: 10.1016/j.jtemb.2022.127053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 06/17/2022] [Accepted: 08/02/2022] [Indexed: 10/16/2022]
Abstract
BACKGROUND Elevated levels of trace elements in the aquatic environment poses risks to the health of biota and humans. Parasites are important components in ecosystems; responding to changes in the health of aquatic ecosystems and can accumulate trace elements in their tissues to higher levels than their hosts. Monogeneans are an important group of fish ectoparasites being directly exposed to the aquatic environment. METHODS In this study concentrations of Ti, Fe, Cu, Zn, Rb, Sr and Ag were analysed in the monogenean parasite, Paradiplozoon ichthyoxanthon (by total reflection x-ray fluorescence spectrometry and graphite furnace atomic absorption spectrometry), and the muscle, liver and gills of two host fish species, Labeobarbus aeneus and Labeobarbus kimberleyensis (by inductively coupled plasma -- mass spectrometry). RESULTS Most striking was the accumulation pattern for Zn in parasites; mean levels of Zn were as high as 1448 and 1652 mg kg-1 dw, respectively, with no significant difference between the two host-parasite groups, leading to bioconcentration factors of approximately 93 (parasite/fish muscle) and 15 (parasite/fish liver). In addition, Fe was accumulated in the parasite to a higher degree compared to the fish hosts' tissues. Cu levels were higher in P. ichthyoxanthon than in the muscle tissue of both host fishes, but lower than liver tissue. CONCLUSION These findings demonstrate the usefulness of this parasite species as a sentinel organism in aquatic ecosystems it inhabits for Fe and Zn. Other trace elements under investigation were not accumulated higher in the parasite compared to its fish host. Lower Rb levels in the parasite compared to its hosts indicate no biomagnification of this metal. Further investigations are required to determine if similar trends in trace element accumulation occur in other monogeneans. DATA AVAILABILITY All data generated in the analysis of host and parasite tissues are presented in the manuscript.
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Affiliation(s)
- Beric M Gilbert
- University of Johannesburg, Department of Zoology, P.O. Box 524, Auckland Park 2006, South Africa.
| | - Franz Jirsa
- University of Johannesburg, Department of Zoology, P.O. Box 524, Auckland Park 2006, South Africa; University of Vienna, Faculty of Chemistry, Institute of Inorganic Chemistry, Althanstrasse 14, 1090 Vienna, Austria.
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Colin Y, Molbert N, Berthe T, Agostini S, Alliot F, Decencière B, Millot A, Goutte A, Petit F. Dysbiosis of fish gut microbiota is associated with helminths parasitism rather than exposure to PAHs at environmentally relevant concentrations. Sci Rep 2022; 12:11084. [PMID: 35773378 PMCID: PMC9246949 DOI: 10.1038/s41598-022-15010-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 06/16/2022] [Indexed: 11/14/2022] Open
Abstract
Although parasite infection and pollution are common threats facing wild populations, the response of the gut microbiota to the joint impact of these stressors remains largely understudied. Here, we experimentally investigated the effects of exposure to Polycyclic Aromatic Hydrocarbons (PAHs) and infection by a common acanthocephalan intestinal parasite (Pomphorhynchus sp.) on the gut microbial flora of a freshwater fish, the European chub (Squalius cephalus). Naturally infected or uninfected individuals were exposed to PAHs at environmentally realistic concentrations over a five-week period. Characterization of the gut bacterial community through 16S rRNA gene amplicon sequencing revealed that parasitic infection was a more structuring factor of bacterial diversity and composition than PAH exposure. Specifically, chub infected by Pomphorhynchus sp. harbored significantly less evenly represented gut bacterial communities than the uninfected ones. In addition, substantial changes in sequence abundance were observed within the main bacterial phyla, including the Firmicutes, Fusobacteriota, Actinobacteriota, and Proteobacteria. Again, these compositional changes correlated with host infection with Pomphorhynchus sp., confirming its pivotal role in gut microbial assemblage. Overall, these results highlight the importance of defining the parasitic status of individuals when conducting microbial ecotoxicological analyses at the digestive tract level, as this should lead to better understanding of microbiota modulations and help to identify microbial markers specifically associated with chemicals.
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Affiliation(s)
- Yannick Colin
- CNRS, M2C, UNICAEN, UNIROUEN, Normandie University, 76821, Rouen, France. .,CNRS, EPHE, UMR METIS, Sorbonne Université, 75005, Paris, France.
| | - Noëlie Molbert
- CNRS, EPHE, UMR METIS, Sorbonne Université, 75005, Paris, France
| | - Thierry Berthe
- CNRS, M2C, UNICAEN, UNIROUEN, Normandie University, 76821, Rouen, France.,CNRS, EPHE, UMR METIS, Sorbonne Université, 75005, Paris, France
| | - Simon Agostini
- Département de biologie, Centre de recherche en ecologie expérimentale et prédictive (CEREEP-Ecotron IleDeFrance), Ecole normale supérieure, CNRS, PSL University, 77140, Saint-Pierre-lès-Nemours, France
| | - Fabrice Alliot
- CNRS, EPHE, UMR METIS, Sorbonne Université, 75005, Paris, France.,EPHE, UMR 7619, PSL Research University, Sorbonne University, 4 place Jussieu, 75005, Paris, France
| | - Beatriz Decencière
- Département de biologie, Centre de recherche en ecologie expérimentale et prédictive (CEREEP-Ecotron IleDeFrance), Ecole normale supérieure, CNRS, PSL University, 77140, Saint-Pierre-lès-Nemours, France
| | - Alexis Millot
- Département de biologie, Centre de recherche en ecologie expérimentale et prédictive (CEREEP-Ecotron IleDeFrance), Ecole normale supérieure, CNRS, PSL University, 77140, Saint-Pierre-lès-Nemours, France
| | - Aurélie Goutte
- CNRS, EPHE, UMR METIS, Sorbonne Université, 75005, Paris, France.,EPHE, UMR 7619, PSL Research University, Sorbonne University, 4 place Jussieu, 75005, Paris, France
| | - Fabienne Petit
- CNRS, M2C, UNICAEN, UNIROUEN, Normandie University, 76821, Rouen, France.,CNRS, EPHE, UMR METIS, Sorbonne Université, 75005, Paris, France
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Brázová T, Miklisová D, Barčák D, Uhrovič D, Šalamún P, Orosová M, Oros M. Hazardous pollutants in the environment: Fish host-parasite interactions and bioaccumulation of polychlorinated biphenyls. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 291:118175. [PMID: 34543958 DOI: 10.1016/j.envpol.2021.118175] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 09/10/2021] [Accepted: 09/11/2021] [Indexed: 06/13/2023]
Abstract
The present paper reports on the interrelationships of fish, parasites and the bioaccumulation of hazardous organic compounds in the Zemplínska Šírava water reservoir in eastern Slovakia, which is heavily polluted with polychlorinated biphenyls (PCBs). The concentrations of these contaminants were measured in various fish matrices (dorsal and abdominal muscle tissues, hepatopancreas, intestine wall and adipose tissue) of the freshwater bream, Abramis brama (Cyprinidae), and in its intestinal parasite Caryophyllaeus laticeps (Cestoda), which was used for the first time as a model for a PCB bioaccumulation study. Regarding the fish, the highest concentrations of PCBs were found in the intestine, followed by hepatopancreas and muscle tissues. The amounts of PCBs were higher in abdominal muscles than in their dorsal parts. Concentrations of ∑PCBs above the limits set by European regulations were detected in both muscle parts in the fish, confirming the persistent unfavorable conditions in this locality and high risk for biota and humans. Based on bioconcentration factor values (BCFs), PCBs reached much higher levels in cestodes compared to bream matrices. Some significant differences in PCB amounts between infected and uninfected bream were determined. Fulton's condition factor (CF) significantly differed in infected and non-infected fish (p ˂ 0.05), with CF values surprisingly lower in fish free of parasites compared to parasitized fish, which suggests a "mutualistic" relationship between the parasite and its host.
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Affiliation(s)
- Tímea Brázová
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia
| | - Dana Miklisová
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia
| | - Daniel Barčák
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia
| | - Dalibor Uhrovič
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia
| | - Peter Šalamún
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia
| | - Martina Orosová
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia
| | - Mikuláš Oros
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia.
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Brázová T, Šalamún P, Miklisová D, Šestinová O, Findoráková L, Hanzelová V, Oros M. Transfer of Heavy Metals Through Three Components: Sediments, Plants and Fish in the Area with Previous Mining Activity. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 106:485-492. [PMID: 33544188 DOI: 10.1007/s00128-021-03114-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 01/12/2021] [Indexed: 06/12/2023]
Abstract
This study aims to evaluate the ecological risk and distribution of heavy metals in sediment, plants and fish in a seriously polluted water reservoir in Krompachy, Slovakia. Special attention was given to the different food web positions of individual fish species (predators, omnivores) and their size. The degree of heavy metal contamination in sediments decreased in the order Cu > Pb > Cr > Hg > Cd, and their mutual proportion was largely consistent with concentrations found in aquatic plants, i.e. water sedges (Carex acutiformis). Of the seven fish species investigated, piscivorous perch (Perca fluviatilis) accumulated higher quantities of metal than fish situated at lower trophic levels. Interestingly, co-equal levels of heavy metals to those found in perch (P. fluviatilis) also occurred in rudd (Scardinius erythrophthalmus). The Hg values in some fish muscles exceeded the maximum permissible limits suggesting a persistent problem of old environmental burden from former mining activities.
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Affiliation(s)
- Tímea Brázová
- Institute of Parasitology, Slovak Academy of Sciences, 04001, Košice, Slovakia.
| | - Peter Šalamún
- Institute of Parasitology, Slovak Academy of Sciences, 04001, Košice, Slovakia
| | - Dana Miklisová
- Institute of Parasitology, Slovak Academy of Sciences, 04001, Košice, Slovakia
| | - Oľga Šestinová
- Institute of Geotechnics, Slovak Academy of Sciences, Košice, Slovakia
| | - Lenka Findoráková
- Institute of Geotechnics, Slovak Academy of Sciences, Košice, Slovakia
| | - Vladimíra Hanzelová
- Institute of Parasitology, Slovak Academy of Sciences, 04001, Košice, Slovakia
| | - Mikuláš Oros
- Institute of Parasitology, Slovak Academy of Sciences, 04001, Košice, Slovakia
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Brázová T, Orosová M, Šalamún P, Hanzelová V. Morphological abnormalities in fish parasites: a potential tool for biomonitoring natural contaminants? Parasitol Res 2020; 119:3297-3304. [PMID: 32827105 DOI: 10.1007/s00436-020-06860-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 08/18/2020] [Indexed: 11/26/2022]
Abstract
A comparative study on the strobilar morphology of the tapeworm Proteocephalus percae (Müller, 1780) (Cestoda), a parasite of the perch Perca fluviatilis (L.), showed a high percentage of abnormally developed parasite individuals. The evaluation of biological samples showed seven types of morphological abnormalities, mostly related to reproductive organs of the model tapeworm species. The most commonly identified deformity was an incomplete segmentation of the strobila. A malformed ovary, which is a structural anomaly linked with proglottization and maturation of the strobila, was also shown to be rather frequent. Offish hosts (P. percae) were collected from two localities with different levels of heavy metal pollution, the highly contaminated water reservoir Ružín and a control locality, the water reservoir Palcmanská Maša, which belongs to the European network of protected areas in Slovakia. Tapeworm abnormalities occurred more frequently in individuals from the contaminated environment (29.9%) compared with individuals from the control site (4.9%). The concentrations of heavy metals found in the parasites and their fish hosts from the heavily polluted reservoir support our assumption that the occurrence of abnormalities could be linked with the destructive effect of toxic substances. The present study also demonstrates that the enumeration of body deformities exceeding the common level of phenotypic variability of particular parasitic species could potentially be used as an indicator of environmental problems.
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Affiliation(s)
- Tímea Brázová
- Institute of Parasitology, Slovak Academy of Sciences, Hlinkova 3, 04001, Košice, Slovakia
| | - Martina Orosová
- Institute of Parasitology, Slovak Academy of Sciences, Hlinkova 3, 04001, Košice, Slovakia.
| | - Peter Šalamún
- Institute of Parasitology, Slovak Academy of Sciences, Hlinkova 3, 04001, Košice, Slovakia
| | - Vladimíra Hanzelová
- Institute of Parasitology, Slovak Academy of Sciences, Hlinkova 3, 04001, Košice, Slovakia
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10
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Bertel-Sevilla A, Alzate JF, Olivero-Verbel J. De novo assembly and characterization of the liver transcriptome of Mugil incilis (lisa) using next generation sequencing. Sci Rep 2020; 10:13957. [PMID: 32811897 PMCID: PMC7435268 DOI: 10.1038/s41598-020-70902-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 07/24/2020] [Indexed: 11/08/2022] Open
Abstract
Mugil incilis (lisa) is an important commercial fish species in many countries, living along the coasts of the western Atlantic Ocean. It has been used as a model organism for environmental monitoring and ecotoxicological investigations. Nevertheless, available genomic and transcriptomic information for this organism is extremely deficient. The aim of this study was to characterize M. incilis hepatic transcriptome using Illumina paired-end sequencing. A total of 32,082,124 RNA-Seq read pairs were generated utilizing the HiSeq platform and subsequently cleaned and assembled into 93,912 contigs (N50 = 2,019 bp). The analysis of species distribution revealed that M. incilis contigs had the highest number of hits to Stegastes partitus (13.4%). Using a sequence similarity search against the public databases GO and KEGG, a total of 7,301 and 16,967 contigs were annotated, respectively. KEGG database showed genes related to environmental information, metabolism and organismal system pathways were highly annotated. Complete or partial coding DNA sequences for several candidate genes associated with stress responses/detoxification of xenobiotics, as well as housekeeping genes, were employed to design primers that were successfully tested and validated by RT-qPCR. This study presents the first transcriptome resources for Mugil incilis and provides basic information for the development of genomic tools, such as the identification of RNA markers, useful to analyze environmental impacts on this fish Caribbean species.
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Affiliation(s)
- Angela Bertel-Sevilla
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, 130015, Cartagena, Colombia
| | - Juan F Alzate
- Centro Nacional de Secuenciación Genómica-CNSG, Sede de Investigación Universitaria-SIU, Universidad de Antioquia, Medellín, Colombia
| | - Jesus Olivero-Verbel
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, 130015, Cartagena, Colombia.
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11
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Soler-Jiménez LC, Hernández-Núñez E, Velázquez-Abunader I, Centeno-Chalé A, Vidal-Martínez VM. Polycyclic aromatic hydrocarbons in the cestode Oncomegas wageneri parasite of Mexican flounder Cyclopsetta chittendeni. Parasitol Res 2020; 119:903-913. [PMID: 32008065 PMCID: PMC7075845 DOI: 10.1007/s00436-019-06597-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 12/29/2019] [Indexed: 12/21/2022]
Abstract
The concentrations of polycyclic aromatic hydrocarbon metabolites (PAHm) and their bioconcentration factors (BCF) were determined in the larval stages of the cestode Oncomegas wageneri, recovered from the intestine of the Mexican flounder Cyclopsetta chittendeni, in the southern Gulf of Mexico. The PAHm concentrations in O. wageneri were measured using fixed-wavelength fluorescence spectrometry and compared with PAHm concentrations in host bile. Oncomegas wageneri PAHm concentrations were markedly higher than those in host tissues. The highest BCF values were obtained for 1-hydroxypyrene (OHP) and benzo(a)pyrene (BaP). Using a General Linear Model, a significant negative relationship was found between O. wageneri PAHm concentrations (as response variable) and the number of O. wageneri and oil well proximity. Low BCF values and PAHm concentrations in C. chittendeni correlated positively with O. wageneri PAHm concentrations. In contrast, high BCF values for PAHm concentrations in C. chittendeni had a negative association with O. wageneri PAHm concentrations. This study provides the first evidence of the presence of PAHm in intestinal larval cestodes of marine flatfishes, demonstrating levels of PAHm that were higher than levels in their hosts.
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Affiliation(s)
- Lilia C Soler-Jiménez
- Laboratorios de Parasitología y Pesquerías, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV-IPN) Unidad Mérida, Carretera Antigua a Progreso Km. 6, Cordemex, C.P. 97310, Mérida, Yucatán, Mexico
| | - Emanuel Hernández-Núñez
- Laboratorios de Parasitología y Pesquerías, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV-IPN) Unidad Mérida, Carretera Antigua a Progreso Km. 6, Cordemex, C.P. 97310, Mérida, Yucatán, Mexico
| | - Iván Velázquez-Abunader
- Laboratorios de Parasitología y Pesquerías, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV-IPN) Unidad Mérida, Carretera Antigua a Progreso Km. 6, Cordemex, C.P. 97310, Mérida, Yucatán, Mexico
| | - Arturo Centeno-Chalé
- Laboratorios de Parasitología y Pesquerías, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV-IPN) Unidad Mérida, Carretera Antigua a Progreso Km. 6, Cordemex, C.P. 97310, Mérida, Yucatán, Mexico
| | - Víctor M Vidal-Martínez
- Laboratorios de Parasitología y Pesquerías, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV-IPN) Unidad Mérida, Carretera Antigua a Progreso Km. 6, Cordemex, C.P. 97310, Mérida, Yucatán, Mexico.
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12
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Costa CMDS, Lima TBC, Cruz MGD, Almeida DV, Martins ML, Jerônimo GT. In vitro culture of Neoechinorhynchus buttnerae (Acanthocephala: Neoechinorhynchidae): Influence of temperature and culture media. REVISTA BRASILEIRA DE PARASITOLOGIA VETERINARIA 2018; 27:562-569. [DOI: 10.1590/s1984-296120180079] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2018] [Accepted: 09/10/2018] [Indexed: 11/22/2022]
Abstract
Abstract Infection by the acantocephalan Neoechinorhynchus buttnerae is considered one of most important concerns for tambaqui fish (Colossoma macropomum ) production. Treatment strategies have been the focus of several in vivo studies; however, few studies have been undertaken on in vitro protocols for parasite maintenance. The aim of the present study was to develop the best in vitro culture condition for N. buttnerae to ensure its survival and adaptation out of the host to allow for the testing of substances to be used to control the parasite. To achieve this, parasites were collected from naturally infected fish and distributed in 6-well culture plates under the following treatments in triplicate: 0.9% NaCl, sterile tank water, L-15 Leibovitz culture medium, L-15 Leibovitz + agar 2% culture medium, RPMI 1640 culture medium, and RPMI 1640 + agar 2% culture medium. The plates containing the parasites were maintained at 24 °C, 28 °C, and 32 °C. The RPMI 1640 + agar 2% culture medium showed the best survival of 24 days at 24 °C. No body alterations such as swollen parasites, body deformation, dehydration and hardening were observed in the RPMI 1640 + 2% culture medium.
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13
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Le TTY, García MR, Nachev M, Grabner D, Balsa-Canto E, Hendriks AJ, Sures B. Development of a PBPK Model for Silver Accumulation in Chub Infected with Acanthocephalan Parasites. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:12514-12525. [PMID: 30251844 DOI: 10.1021/acs.est.8b04022] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Simultaneous presence of metals and parasites in fish might lead to potential risks to human health. Parasites might influence metal accumulation and disturb detoxification in fish, thereby affecting biomarkers of fish responses as well as metal biomagnification in humans. It is, therefore, of importance to take into account parasite infection when investigating metal accumulation in fish. However, mechanisms of metal accumulation and distribution in fish-parasite systems are not integrated into current approaches. The present study proposes a new physiologically based pharmacokinetic model for mechanistic simulation of metal partitioning between intestinal parasites and their hosts. As a particular case, Ag accumulation in the system of chub Squalius cephalus and the acanthocephalan Pomphorhynchus tereticollis was investigated. As a novelty, fish cardiac output and organ-specific blood flow distribution were incorporated in our model. This approach distinguishes the current model from the ones developed previously. It also facilitates model extrapolation and application to varying conditions. In general, the model explained Ag accumulation in the system well, especially in chub gill, storage (including skin, muscle, and carcass), and liver. The highest concentration of Ag was found in the liver. The accumulation of Ag in the storage, liver, and gill compartments followed a similar pattern, i.e., increasing during the exposure and decreasing during the depuration. The model also generated this observed trend. However, the model had a weaker performance for simulating Ag accumulation in the intestine and the kidney. Silver accumulation in these organs was less evident with considerable variations.
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Affiliation(s)
- T T Yen Le
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU) , University of Duisburg-Essen , D-45141 Essen , Germany
| | - Míriam R García
- Process Engineering Group , Spanish Council for Scientific Research, IIM-CSIC , 36208 Vigo , Spain
| | - Milen Nachev
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU) , University of Duisburg-Essen , D-45141 Essen , Germany
| | - Daniel Grabner
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU) , University of Duisburg-Essen , D-45141 Essen , Germany
| | - Eva Balsa-Canto
- Process Engineering Group , Spanish Council for Scientific Research, IIM-CSIC , 36208 Vigo , Spain
| | - A Jan Hendriks
- Department of Environmental Science, Faculty of Science , Radboud University Nijmegen , 6525 HP Nijmegen , The Netherlands
| | - Bernd Sures
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU) , University of Duisburg-Essen , D-45141 Essen , Germany
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14
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Maity S, Poráčová J, Dey P, Vašková J, Vaško L, Sedlák V, Mydlárová Blaščáková M. Antioxidant responses in the earthworm Aporrectodea caliginosa of eastern Slovakia: application of principal component analysis as a tool to identify metal contaminated areas. ENVIRONMENTAL MONITORING AND ASSESSMENT 2017; 190:21. [PMID: 29238860 DOI: 10.1007/s10661-017-6377-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2017] [Accepted: 11/28/2017] [Indexed: 06/07/2023]
Abstract
The soil of Slovak Republic is severely contaminated with heavy metals, creating hazards to soil health. In order to assess the current status with the prospect of selecting the appropriate treatment methods and land use, this investigation aimed to determine a panel of complementary and ecologically relevant biomarkers that reflect adverse biological responses towards terrestrial pollutants. To attain this objective, the concentration of reduced glutathione and enzymes of glutathione antioxidant system were assessed in clitellate earthworm, Aporrectodea caliginosa sampled from selected sites of eastern Slovakia along with the pH and total metal concentration (As, Cd, Pb, Cr, Hg, Mn, Fe, Co, Ni, Cu, Zn) of soils. Positive, significant (p < 0.05) induction of glutathione peroxidase, glutathione reductase, and glutathione-S-transferase activities and depletion of reduced glutathione level (negative correlation) were associated with the increased soil metal concentrations. Metal interference was found in the detoxification process and antioxidant defense mechanism does not efficiently counteract the oxidative stress induced by chronic metal exposure. The tested biomarkers confirmed sensitive and affective response to the pollution of soil contaminants, in this case metals. This has a potential use in ecotoxicological field monitoring. The proposed principal component analysis is a multivariate model of data analysis that represents a cost-effective approach to differentiate metalliferous soils of eastern Slovakia with different health status.
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Affiliation(s)
- Sulata Maity
- Cell Biology and Genetic Toxicology Laboratory, Centre of Advanced Study, Department of Botany, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India.
- Department of Biology, Faculty of Humanities & Natural Sciences, University of Presov, 17th November str. 1, 081 16, Presov, Slovak Republic.
| | - Janka Poráčová
- Department of Biology, Faculty of Humanities & Natural Sciences, University of Presov, 17th November str. 1, 081 16, Presov, Slovak Republic
| | - Partha Dey
- Department of Mechanical Engineering, Academy of Technology, Adisaptagram, Hooghly, West Bengal, 712121, India
| | - Janka Vašková
- Department of Medical and Clinical Biochemistry, Faculty of Medicine, Pavol Jozef Šafárik University, Košice, Tr. SNP 1, 040 66, Košice, Slovak Republic
| | - Ladislav Vaško
- Department of Medical and Clinical Biochemistry, Faculty of Medicine, Pavol Jozef Šafárik University, Košice, Tr. SNP 1, 040 66, Košice, Slovak Republic
| | - Vincent Sedlák
- Department of Biology, Faculty of Humanities & Natural Sciences, University of Presov, 17th November str. 1, 081 16, Presov, Slovak Republic
| | - Marta Mydlárová Blaščáková
- Department of Biology, Faculty of Humanities & Natural Sciences, University of Presov, 17th November str. 1, 081 16, Presov, Slovak Republic
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15
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Gilbert BM, Avenant-Oldewage A. Parasites and pollution: the effectiveness of tiny organisms in assessing the quality of aquatic ecosystems, with a focus on Africa. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:18742-18769. [PMID: 28660518 DOI: 10.1007/s11356-017-9481-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Accepted: 06/07/2017] [Indexed: 06/07/2023]
Abstract
The aquatic environment represents the final repository for many human-generated pollutants associated with anthropogenic activities. The quality of natural freshwater systems is easily disrupted by the introduction of pollutants from urban, industrial and agricultural processes. To assess the extent of chemical perturbation and associated environmental degradation, physico-chemical parameters have been monitored in conjunction with biota in numerous biological monitoring protocols. Most studies incorporating organisms into such approaches have focussed on fish and macroinvertebrates. More recently, interest in the ecology of parasites in relation to environmental monitoring has indicated that these organisms are sensitive towards the quality of the macroenvironment. Variable responses towards exposure to pollution have been identified at the population and component community level of a number of parasites. Furthermore, such responses have been found to differ with the type of pollutant and the lifestyle of the parasite. Generally, endoparasite infection levels have been shown to become elevated in relation to poorer water quality conditions, while ectoparasites are more sensitive, and exposure to contaminated environments resulted in a decline in ectoparasite infections. Furthermore, endoparasites have been found to be suitable accumulation indicators for monitoring levels of several trace elements and metals in the environment. The ability of these organisms to accumulate metals has further been observed to be of benefit to the host, resulting in decreased somatic metal levels in infected hosts. These trends have similarly been found for host-parasite models in African freshwater environments, but such analyses are comparatively sparse compared to other countries. Recently, studies on diplozoids from two freshwater systems have indicated that exposure to poorer water quality resulted in decreased infections. In the Vaal River, the poor water quality resulted in the extinction of the parasite from a site below the Vaal River Barrage. Laboratory exposures have further indicated that oncomiracidia of Paradiplozoon ichthyoxanthon are sensitive to exposure to dissolved aluminium. Overall, parasites from African freshwater and marine ecosystems have merit as effect and accumulation indicators; however, more research is required to detail the effects of exposure on sensitive biological processes within these organisms.
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16
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Sures B, Nachev M, Selbach C, Marcogliese DJ. Parasite responses to pollution: what we know and where we go in 'Environmental Parasitology'. Parasit Vectors 2017; 10:65. [PMID: 28166838 PMCID: PMC5294906 DOI: 10.1186/s13071-017-2001-3] [Citation(s) in RCA: 153] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 01/24/2017] [Indexed: 01/13/2023] Open
Abstract
Environmental parasitology deals with the interactions between parasites and pollutants in the environment. Their sensitivity to pollutants and environmental disturbances makes many parasite taxa useful indicators of environmental health and anthropogenic impact. Over the last 20 years, three main research directions have been shown to be highly promising and relevant, namely parasites as accumulation indicators for selected pollutants, parasites as effect indicators, and the role of parasites interacting with established bioindicators. The current paper focuses on the potential use of parasites as indicators of environmental pollution and the interactions with their hosts. By reviewing some of the most recent findings in the field of environmental parasitology, we summarize the current state of the art and try to identify promising ideas for future research directions. In detail, we address the suitability of parasites as accumulation indicators and their possible application to demonstrate biological availability of pollutants; the role of parasites as pollutant sinks; the interaction between parasites and biomarkers focusing on combined effects of parasitism and pollution on the health of their hosts; and the use of parasites as indicators of contaminants and ecosystem health. Therefore, this review highlights the application of parasites as indicators at different biological scales, from the organismal to the ecosystem.
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Affiliation(s)
- Bernd Sures
- Aquatic Ecology and Centre for Water and Environmental Research, University of Duisburg-Essen, Universitätsstr. 5, D-45141, Essen, Germany.,Department of Zoology, University of Johannesburg, PO Box 524, Auckland Park 2006, Johannesburg, South Africa
| | - Milen Nachev
- Aquatic Ecology and Centre for Water and Environmental Research, University of Duisburg-Essen, Universitätsstr. 5, D-45141, Essen, Germany.
| | - Christian Selbach
- Water Research Group, Unit for Environmental Sciences and Management, North-West University, Private Bag X6001, Potchefstroom, 2520, South Africa
| | - David J Marcogliese
- Aquatic Contaminants Research Division, Water Science and Technology Directorate, Science and Technology Branch, Environment and Climate Change Canada, St. Lawrence Centre, 105 McGill Street, 7th floor, Montreal, QC, H2Y 2E7, Canada.,St. Andrews Biological Station, Fisheries and Oceans Canada, 531 Brandy Cove Road, St, Andrews, NB, E5B 2 L9, Canada
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17
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Leite LAR, Pedro NHO, Azevedo RKD, Kinoshita A, Gennari RF, Watanabe S, Abdallah VD. Contracaecum sp. parasitizing Acestrorhynchus lacustris as a bioindicator for metal pollution in the Batalha River, southeast Brazil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 575:836-840. [PMID: 27680988 DOI: 10.1016/j.scitotenv.2016.09.132] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2016] [Revised: 09/15/2016] [Accepted: 09/16/2016] [Indexed: 06/06/2023]
Abstract
Pollution in aquatic ecosystems due to negative human activities remains a problem in both freshwater and marine environments and is an ongoing subject of research. Several studies have shown that some fish parasites can be used as a tool for biomonitoring because they demonstrate higher metal accumulation capacity compared to their host tissues. However, compared to acanthocephalans, information regarding the absorption mechanisms and accumulation rates in nematodes is relatively limited. Here, we evaluated the potential of larvae Contracaecum sp. (L3) as indicators of contamination by metals by analyzing thirteen element concentrations: magnesium (Mg), aluminum (Al), titanium (Ti), chromium (Cr), manganese (Mn), iron (Fe), nickel (Ni), copper (Cu), zinc (Zn), arsenic (As), cadmium (Cd), barium (Ba), and lead (Pb) in the parasites and host Acestrorhynchus lacustris, using inductively coupled plasma mass spectrometry. Twelve of the thirteen analyzed elements were detected in at least 2-fold higher concentrations (e.g. Ni) and were up to approximately 50-fold higher (e.g. Pb) in parasites than in host tissues, including elements known for their high toxicity (As, Cd, Pb) and those considered to be essential (Cu and Zn). Our results suggest that Contracaecum sp. larvae can be used as bioindicators of metal contamination because even in early stages of development, numerous essential and non-essential elements were accumulated, making this system a useful tool for monitoring polluted environments.
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Affiliation(s)
- Lucas A R Leite
- Laboratório de Ictioparasitologia, Central de Laboratórios de Ciência e Tecnologia Ambiental, Pró-reitoria de Pesquisa e Pós-graduação, Universidade do Sagrado Coração (USC); Rua Irmã Arminda, 10-50, 17011-160 Bauru, São Paulo, Brazil.
| | - Natacha H O Pedro
- Instituto de Biociências de Botucatu, Universidade Estadual Paulista "Julio de Mesquita Filho" (UNESP), Botucatu, São Paulo, Brazil
| | - Rodney K de Azevedo
- Laboratório de Ictioparasitologia, Central de Laboratórios de Ciência e Tecnologia Ambiental, Pró-reitoria de Pesquisa e Pós-graduação, Universidade do Sagrado Coração (USC); Rua Irmã Arminda, 10-50, 17011-160 Bauru, São Paulo, Brazil
| | - Angela Kinoshita
- Laboratório de Ictioparasitologia, Central de Laboratórios de Ciência e Tecnologia Ambiental, Pró-reitoria de Pesquisa e Pós-graduação, Universidade do Sagrado Coração (USC); Rua Irmã Arminda, 10-50, 17011-160 Bauru, São Paulo, Brazil
| | - Roseli F Gennari
- Instituto de Física, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Shigueo Watanabe
- Instituto de Física, Universidade de São Paulo (USP), São Paulo, Brazil
| | - Vanessa D Abdallah
- Laboratório de Ictioparasitologia, Central de Laboratórios de Ciência e Tecnologia Ambiental, Pró-reitoria de Pesquisa e Pós-graduação, Universidade do Sagrado Coração (USC); Rua Irmã Arminda, 10-50, 17011-160 Bauru, São Paulo, Brazil
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18
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Le TTY, Nachev M, Grabner D, Hendriks AJ, Sures B. Development and Validation of a Biodynamic Model for Mechanistically Predicting Metal Accumulation in Fish-Parasite Systems. PLoS One 2016; 11:e0161091. [PMID: 27548282 PMCID: PMC4993497 DOI: 10.1371/journal.pone.0161091] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 07/31/2016] [Indexed: 11/19/2022] Open
Abstract
Because of different reported effects of parasitism on the accumulation of metals in fish, it is important to consider parasites while interpreting bioaccumulation data from biomonitoring programmes. Accordingly, the first step is to take parasitism into consideration when simulating metal bioaccumulation in the fish host under laboratory conditions. In the present study, the accumulation of metals in fish-parasite systems was simulated by a one-compartment toxicokinetic model and compared to uninfected conspecifics. As such, metal accumulation in fish was assumed to result from a balance of different uptake and loss processes depending on the infection status. The uptake by parasites was considered an efflux from the fish host, similar to elimination. Physiological rate constants for the uninfected fish were parameterised based on the covalent index and the species weight while the parameterisation for the infected fish was carried out based on the reported effects of parasites on the uptake kinetics of the fish host. The model was then validated for the system of the chub Squalius cephalus and the acanthocephalan Pomphorhynchus tereticollis following 36-day exposure to waterborne Pb. The dissolved concentration of Pb in the exposure tank water fluctuated during the exposure, ranging from 40 to 120 μg/L. Generally, the present study shows that the one-compartment model can be an effective method for simulating the accumulation of metals in fish, taking into account effects of parasitism. In particular, the predicted concentrations of Cu, Fe, Zn, and Pb in the uninfected chub as well as in the infected chub and the acanthocephalans were within one order of magnitude of the measurements. The variation in the absorption efficiency and the elimination rate constant of the uninfected chub resulted in variations of about one order of magnitude in the predicted concentrations of Pb. Inclusion of further assumptions for simulating metal accumulation in the infected chub led to variations of around two orders of magnitude in the predictions. Therefore, further research is required to reduce uncertainty while characterising and parameterising the model for infected fish.
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Affiliation(s)
- T. T. Yen Le
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, Essen, Germany
- * E-mail:
| | - Milen Nachev
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, Essen, Germany
| | - Daniel Grabner
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, Essen, Germany
| | - A. Jan Hendriks
- Department of Environmental Science, Faculty of Science, Radboud University Nijmegen, Nijmegen, the Netherlands
| | - Bernd Sures
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, Essen, Germany
- Department of Zoology, University of Johannesburg, PO Box 524, Auckland Park 2006, Johannesburg, South Africa
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19
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Brázová T, Hanzelová V, Miklisová D, Šalamún P, Vidal-Martínez VM. Host-parasite relationships as determinants of heavy metal concentrations in perch (Perca fluviatilis) and its intestinal parasite infection. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 122:551-556. [PMID: 26432028 DOI: 10.1016/j.ecoenv.2015.09.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 09/19/2015] [Accepted: 09/21/2015] [Indexed: 06/05/2023]
Abstract
The concentrations of As, Cd, Cr, Cu, Hg, Mn, Ni, Pb, and Zn and their bioconcentration factors (BCFs) were determined in two intestinal parasites, an acanthocephalan, Acanthocephalus lucii, a tapeworm, Proteocephalus percae, present in the same host, the European perch (Perca fluviatilis, L.), in the heavily polluted Ružín reservoir in eastern Slovakia. The bioaccumulation of heavy metals in the fish organs and parasites was studied for acanthocephalan and tapeworm monoinfections or mixed infections by the two parasites and for the size of their parasitic infrapopulations. Bioconcentration factors (c[parasite]/c[muscle tissue]) showed that the concentrations of As, Ni, Pb and Zn were higher in mixed infections than in monoinfections. Negative correlations between heavy metal concentrations in perch organs and the parasites were found. For example, higher concentrations of Ni and Zn in both parasite species corresponded with lower metal concentrations in perch and hard roe. Likewise, significant negative relationships between metal concentrations in fish organs and number of parasites were noticed with lower levels of Pb in fish harbouring higher numbers of tapeworms. Similarly, in both parasite species the concentrations of some essential elements (Cr, Mn) were lower at high infection intensities compared to low intensities. Our study revealed that the differential concentration of heavy metals in perch organs was affected by the type of infection (mono- or mixed-infection), and needs to be considered in field ecotoxicological and parasitological studies as a potentially important factor influencing the pollutant concentrations in fish.
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Affiliation(s)
- Tímea Brázová
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia.
| | | | - Dana Miklisová
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia
| | - Peter Šalamún
- Institute of Parasitology, Slovak Academy of Sciences, Košice, Slovakia
| | - Víctor M Vidal-Martínez
- Laboratorio de Parasitología, Centro de Investigación y de Estudios Avanzados del IPN (CINVESTAV-IPN) Unidad Mérida, Mérida, Yucatán, México
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Bastos WR, Dórea JG, Bernardi JVE, Lauthartte LC, Mussy MH, Hauser M, Dória CRDC, Malm O. Mercury in muscle and brain of catfish from the Madeira river, Amazon, Brazil. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 118:90-97. [PMID: 25913362 DOI: 10.1016/j.ecoenv.2015.04.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 04/13/2015] [Accepted: 04/16/2015] [Indexed: 06/04/2023]
Abstract
The central nervous system is a critical target for Hg toxicity in all living organisms. Total Hg (THg) was determined in brain and muscle samples of 165 specimens of eight species of catfish (Brachyplatystoma filamentosum; Brachyplatystoma platynemum; Brachyplatystoma rousseauxii; Brachyplatystoma vaillantii; Phractocephalus hemiliopterus; Pseudoplatystoma punctifer; Pseudoplatystoma tigrinum; Zungaro zungaro) from the Madeira River, Brazilian Amazon. Despite the narrow range of Fishbase trophic level (4.2-4.6) the median THg concentrations ranged from 0.39 to 1.99mg/kg and from 0.03 to 0.29mg/kg respectively in muscle and brain from the studied species. Overall, the median concentration for all samples analyzed was 0.93mg/kg and 0.16mg/kg respectively in muscle and brain; most samples (76%) showed muscle Hg concentrations >0.5mg/kg. There were statistically significant THg differences between sex (female>males). The correlation between THg concentrations in muscle and brain was statistically significant (r=0.9170; p<0.0001). In the studied specimens, fish total length was significantly correlated with muscle (r=0.3163; p=0.0001) and brain (r=0.3039; p=0.0003) THg; however, fish age was negatively and significantly correlated (r=-0.2991; p=0.0012) with THg in muscle but not with THg in brain (r=-0.0190; p=0.8492). Amazonian catfish accumulate high levels of Hg in muscle and brain; however, brain-THg concentrations can be predicted from muscle-THg. Muscle-Hg in catfish can be a tool to detect brain-Hg concentrations associated with environmental Hg.
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Affiliation(s)
- Wanderley R Bastos
- Laboratório de Biogeoquímica Ambiental, Universidade Federal de Rondônia, Brazil
| | - José G Dórea
- Faculdade de Ciências da Saúde, Universidade de Brasília, Brazil.
| | | | | | - Marilia H Mussy
- Laboratório de Biogeoquímica Ambiental, Universidade Federal de Rondônia, Brazil; Laboratório de Ictiologia e Pesca, Universidade Federal de Rondônia, Brazil
| | - Marília Hauser
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil
| | | | - Olaf Malm
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Brazil
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Hursky O, Pietrock M. Intestinal nematodes affect selenium bioaccumulation, oxidative stress biomarkers, and health parameters in juvenile rainbow trout (Oncorhynchus mykiss). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2015; 49:2469-76. [PMID: 25633167 DOI: 10.1021/es5048792] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
In environmental studies, parasites are often seen as a product of enhanced host susceptibility due to exposure to one or several stressors, whereas potential consequences of infections on host responses are often overlooked. Therefore, the present study focused on effects of parasitism on bioaccumulation of selenium (Se) in rainbow trout (Oncorhynchus mykiss). Joint effects of biological (parasite) and chemical (Se) stressors on biomarkers of oxidative stress (glutathione-S-transferase (GST), superoxide dismutase (SOD)), and fish health (condition factor (K), hepatosomatic index (HSI), gross energy) were also examined. Fish of the control group received uncontaminated food, while test fish, either experimentally infected with the nematode Raphidascaris acus or not, were exposed to dietary selenomethionine (Se-Met) at an environmentally relevant dose over 7 weeks. Selenium bioaccumulation by the parasite was low relative to its host, and parasitized trout showed slowed Se accumulation in the muscle as compared to uninfected fish. Furthermore, GST and SOD activities of trout exposed to both Se-Met and parasites were generally significantly lower than in fish exposed to Se-Met alone. Gross energy concentrations, but not K or HSI, were reduced in fish exposed to both Se-Met and R. acus. Together the experiment strongly calls for consideration of parasites when interpreting effects of pollutants on aquatic organisms in field investigations.
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Affiliation(s)
- Olesya Hursky
- Toxicology Centre, University of Saskatchewan , 44 Campus Drive, Saskatoon, Saskatchewan, Canada S7N 5B3
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A.C.T. Per P, P. Kodithu S, V. Sundara T, Edirisingh U. Bioaccumulation of Cadmium in Freshwater Fish: An Environmental Perspective. ACTA ACUST UNITED AC 2015. [DOI: 10.5567/ecology-ik.2015.1.12] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Brázová T, Poddubnaya LG, Ramírez Miss N, Hanzelová V. Ultrastructure and chemical composition of the proboscis hooks of Acanthocephalus lucii (Müller, 1776) (Acanthocephala: Palaeacanthocephala) using X-ray elemental analysis. Folia Parasitol (Praha) 2014. [DOI: 10.14411/fp.2014.053] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Jankovská I, Miholová D, Romočuský S, Petrtýl M, Langrová I, Kalous L, Sloup V, Válek P, Vadlejch J, Lukešová D. Importance of fish gender as a factor in environmental monitoring of mercury. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:6239-6242. [PMID: 24374660 DOI: 10.1007/s11356-013-2459-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2013] [Accepted: 12/12/2013] [Indexed: 06/03/2023]
Abstract
Total mercury concentrations were determined in the gonadal tissues of 15 female and 10 male European perch (Perca fluviatilis) from one location of the stream "Jevanský potok" located about 30 km from Prague (Czech Republic). Tissue samples were frozen at -26 °C in polypropylene containers until further processing, which was carried out using an Advance Mercury Analyser (single purpose atomic absorption spectrometer). Mercury concentrations were present in all analysed gonad samples, and ranged from 2.3 to 12.7 μg/kg wet weight. However, we determined a mean Hg concentration (9.45 μg/kg) in male gonads that was 2.4 times greater than that of female gonads (3.9 μg/kg). This is an important finding when taking into account fish sex in environmental pollution monitoring (especially for mercury contamination).
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Affiliation(s)
- Ivana Jankovská
- Department of Zoology and Fisheries, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences, 165 21, Prague 6, Suchdol, Czech Republic,
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