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Colominas-Ciuró R, Gray FE, Arikan K, Zahn S, Meier C, Criscuolo F, Bize P. Effects of persistent organic pollutants on telomere dynamics are sex and age-specific in a wild long-lived bird. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 943:173785. [PMID: 38851349 DOI: 10.1016/j.scitotenv.2024.173785] [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: 03/13/2024] [Revised: 06/02/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024]
Abstract
Chemical pollution is a major man-made environmental threat to ecosystems and natural animal populations. Of concern are persistent organic pollutants (POPs), which can persist in the environment for many years. While bioaccumulating throughout the lives of wild animals, POPs can affect their health, reproduction, and survival. However, measuring long-term effects of POPs in wild populations is challenging, and therefore appropriate biomarkers are required in wildlife ecotoxicology. One potential target is telomere length, since telomere preservation has been associated to survival and longevity, and stressors as chemical pollution can disrupt its maintenance. Here, we investigated the effects of different classes of POPs on relative telomere length (RTL) and its rate of change (TROC) in wild long-lived Alpine swifts (Tachymarptis melba). As both RTL and TROC are often reported to differ between sexes and with chronological age, we tested for sex- and age-specific (pre-senescent vs. senescent, ≥ 9 age of years, individuals) effects of POPs. Our results showed that senescent females presented longer RTL and elongated telomeres over time compared to pre-senescent females and males. These sex- and age-related differences in RTL and TROC were influenced by POPs, but differently depending on whether they were organochlorine pesticides (OCPs) or industrial polychlorinated biphenyls (PCBs). OCPs (particularly drins) were negatively associated with RTL, with the strongest negative effects being found in senescent females. Conversely, PCBs led to slower rates of telomere shortening, especially in females. Our study indicates diametrically opposed effects of OCPs on RTL and PCBs on TROC, and these effects were more pronounced in females and senescent individuals. The mechanisms behind these effects (e.g., increased oxidative stress by OCPs; upregulation of telomerase activity by PCBs) remain unknown. Our results highlight the importance in wildlife ecotoxicology to account for sex- and age-related effects when investigating the health effects of pollutants on biomarkers such as telomeres.
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Affiliation(s)
| | | | - Kalender Arikan
- Department of Biology Education, Faculty of Education, Hacettepe University, Turkey
| | - Sandrine Zahn
- Université de Strasbourg, CNRS, IPHC UMR 7178, France
| | | | | | - Pierre Bize
- Swiss Ornithological Institute, Switzerland.
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2
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Wells MR, Coggan TL, Stevenson G, Singh N, Askeland M, Lea MA, Philips A, Carver S. Per- and polyfluoroalkyl substances (PFAS) in little penguins and associations with urbanisation and health parameters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169084. [PMID: 38056658 DOI: 10.1016/j.scitotenv.2023.169084] [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: 08/31/2023] [Revised: 11/28/2023] [Accepted: 12/01/2023] [Indexed: 12/08/2023]
Abstract
Per- and Polyfluoroalkyl substances (PFAS) are increasingly detected in wildlife and present concerning and unknown health risks. While there is a growing body of literature describing PFAS in seabird species, knowledge from temperate Southern Hemisphere regions is lacking. Little penguins (Eudyptula minor) can nest and forage within heavily urbanised coastal environments and hence may be at risk of exposure to pollutants. We analysed scat contaminated nesting soils (n = 50) from 17 colonies in lutruwita/Tasmania for 16 PFAS, plasma samples (n = 45) from nine colonies, and three eggs for 49 PFAS. We detected 14 PFAS across the sample types, with perfluorooctanesulfonic acid (PFOS) and perfluorohexanesulfonic acid (PFHxS) most commonly detected. Mean concentration of PFOS in plasma was 2.56 ± 4.3 ng/mL (
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Affiliation(s)
- Melanie R Wells
- Department of Biological Sciences, School of Natural Sciences, University of Tasmania, Hobart 7001, Tasmania, Australia; Institute for Marine and Antarctic Studies, Battery Point 7004, Tasmania, Australia.
| | - Timothy L Coggan
- Environment Protection Authority Victoria, 200 Victoria Street, Carlton 3053, Victoria, Australia; ADE Consulting Group, U 4/95 Salmon Street, Port Melbourne 3207, Victoria, Australia
| | - Gavin Stevenson
- Australian Ultra-Trace Laboratory, National Measurement Institute, North Ryde 2113, New South Wales, Australia
| | - Navneet Singh
- ADE Consulting Group, U 4/95 Salmon Street, Port Melbourne 3207, Victoria, Australia
| | - Matthew Askeland
- ADE Consulting Group, U 4/95 Salmon Street, Port Melbourne 3207, Victoria, Australia
| | - Mary-Anne Lea
- Institute for Marine and Antarctic Studies, Battery Point 7004, Tasmania, Australia; Centre for Marine Socioecology, University of Tasmania, Hobart 7001, Tasmania, Australia
| | - Annie Philips
- Wildlife Veterinary Consultant, Hobart 7000, Tasmania, Australia
| | - Scott Carver
- Department of Biological Sciences, School of Natural Sciences, University of Tasmania, Hobart 7001, Tasmania, Australia; Odum School of Ecology, University of Georgia, GA, USA 30602; Center for the Ecology of Infectious Diseases, University of Georgia, GA, USA 30602
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3
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Amir Abdul Nasir AF, Niehaus AC, Cameron SF, Ujvari B, Madsen T, von Hippel FA, Gao S, Dillon DM, Buck CL, Charters J, Heiniger J, Blomberg S, Wilson RS. Manganese Exacerbates Seasonal Health Declines in a Suicidally Breeding Mammal. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024; 43:74-86. [PMID: 37750553 DOI: 10.1002/etc.5753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 03/31/2023] [Accepted: 09/20/2023] [Indexed: 09/27/2023]
Abstract
Reproductive costs must be balanced with survival to maximize lifetime reproductive rates; however, some organisms invest in a single, suicidal bout of breeding known as semelparity. The northern quoll (Dasyurus hallucatus) is an endangered marsupial in which males, but not females, are semelparous. Northern quolls living near mining sites on Groote Eylandt, Northern Territory, Australia, accumulate manganese (Mn) in their brains, testes, and hair, and elevated Mn impacts motor performance. Whether Mn is associated with other health declines is yet unknown. In the present study we show that male and female northern quolls with higher Mn accumulation had a 20% reduction in immune function and a trend toward reduced cortisol concentrations in hair. The telomere lengths of male quolls did not change pre- to postbreeding, but those with higher Mn levels had longer telomeres; in contrast, the telomeres of females shortened during the breeding season but recovered between the first year and second year of breeding. In addition, the telomeres of quolls that were recaptured declined at significantly higher rates in quolls with higher Mn between prebreeding, breeding, and/or postbreeding seasons. Future research should determine whether changes in cortisol, immune function, or telomere length affect reproductive output or survival-particularly for semelparous males. Environ Toxicol Chem 2024;43:74-86. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Ami F Amir Abdul Nasir
- School of Biological Sciences, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Amanda C Niehaus
- School of Biological Sciences, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Skye F Cameron
- Australian Wildlife Conservancy, Subiaco East, Western Australia, Australia
| | - Beata Ujvari
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, Australia
| | - Thomas Madsen
- Centre for Integrative Ecology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, Victoria, Australia
| | - Frank A von Hippel
- Department of Community, Environment and Policy, The University of Arizona, Tucson, Arizona, USA
| | - Sisi Gao
- Michigan Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Danielle M Dillon
- Department of Biological Sciences, Northern Arizona University, Flagstaff, Arizona, USA
| | - C Loren Buck
- Department of Biological Sciences, Northern Arizona University, Flagstaff, Arizona, USA
| | - Jordan Charters
- School of Biological Sciences, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Jaime Heiniger
- School of Biological Sciences, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Simone Blomberg
- School of Biological Sciences, The University of Queensland, Saint Lucia, Queensland, Australia
| | - Robbie S Wilson
- School of Biological Sciences, The University of Queensland, Saint Lucia, Queensland, Australia
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Hansen E, Sun J, Helander B, Bustnes JO, Eulaers I, Jaspers VLB, Covaci A, Eens M, Bourgeon S. A retrospective investigation of feather corticosterone in a highly contaminated white-tailed eagle (Haliaeetus albicilla) population. ENVIRONMENTAL RESEARCH 2023; 228:115923. [PMID: 37072083 DOI: 10.1016/j.envres.2023.115923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/09/2023] [Accepted: 04/14/2023] [Indexed: 05/16/2023]
Abstract
Exposure to persistent organic pollutants (POPs), such as organochlorines (OCs) and polybrominated diphenyl ethers (PBDEs), is associated with adverse health effects in wildlife. Many POPs have been banned and consequently their environmental concentrations have declined. To assess both temporal trends of POPs and their detrimental impacts, raptors are extensively used as biomonitors due to their high food web position and high contaminant levels. White-tailed eagles (WTEs; Haliaeetus albicilla) in the Baltic ecosystem represent a sentinel species of environmental pollution, as they have suffered population declines due to reproductive failure caused by severe exposure to dichlorodiphenyltrichloroethane (DDT) and polychlorinated biphenyls (PCB) during the 1960s through 1980s. However, there is a lack of long-term studies that cover a wide range of environmental contaminants and their effects at the individual level. In this study, we used 135 pooled samples of shed body feathers collected in 1968-2012 from breeding WTE pairs in Sweden. Feathers constitute a temporal archive for substances incorporated into the feather during growth, including corticosterone, which is the primary avian glucocorticoid and a stress-associated hormone. Here, we analysed the WTE feather pools to investigate annual variations in feather corticosterone (fCORT), POPs (OCs and PBDEs), and stable carbon and nitrogen isotopes (SIs; dietary proxies). We examined whether the expected fluctuations in POPs affected fCORT (8-94 pg. mm-1) in the WTE pairs. Despite clear temporal declining trends in POP concentrations (p < 0.01), we found no significant associations between fCORT and POPs or SIs (p > 0.05 in all cases). Our results do not support fCORT as a relevant biomarker of contaminant-mediated effects in WTEs despite studying a highly contaminated population. However, although not detecting a relationship between fCORT, POP contamination and diet, fCORT represents a non-destructive and retrospective assessment of long-term stress physiology in wild raptors otherwise not readily available.
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Affiliation(s)
- Elisabeth Hansen
- UiT - the Arctic University of Norway, Department of Arctic and Marine Biology, Hansine Hansens Veg 18, NO-9019, Tromsø, Norway.
| | - Jiachen Sun
- College of Marine Life Science, Ocean University of China, Qingdao, CN-266003, Shandong, China
| | - Björn Helander
- Swedish Museum of Natural History, Department of Environmental Research and Monitoring, Box 50007, SE-10405, Stockholm, Sweden
| | - Jan Ove Bustnes
- Norwegian Institute for Nature Research (NINA), Framsenteret, Hjalmar Johansens Gate 14, NO-9296, Tromsø, Norway
| | - Igor Eulaers
- Fram Centre, Norwegian Polar Institute, NO-9296, Tromsø, Norway
| | - Veerle L B Jaspers
- Department of Biology, Norwegian University of Science and Technology, Høgskoleringen 5, 7491, Trondheim, Norway
| | - Adrian Covaci
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, BE-2610, Wilrijk, Belgium
| | - Marcel Eens
- Behavioural and Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, BE-2610, Wilrijk, Belgium
| | - Sophie Bourgeon
- UiT - the Arctic University of Norway, Department of Arctic and Marine Biology, Hansine Hansens Veg 18, NO-9019, Tromsø, Norway
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Bertucci A, Hoede C, Dassié E, Gourves PY, Suin A, Le Menach K, Budzinski H, Daverat F. Impact of environmental micropollutants and diet composition on the gut microbiota of wild european eels (Anguilla anguilla). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 314:120207. [PMID: 36165828 DOI: 10.1016/j.envpol.2022.120207] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/22/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
In fish, the gut microbiome plays a crucial role in homeostasis and health and is affected by several organic and inorganic environmental contaminants. Amphidromous fish are sentinel species, particularly exposed to these stressors. We used whole metagenome sequencing to characterize the gut microbiome of wild European eels (Anguilla anguilla) at a juvenile stage captured from three sites with contrasted pollution levels in term of heavy metals and persistent organic pollutants. The objectives were to identify what parameters could alter the gut microbiome of this catadromous fish and to explore the potential use of microbiota as bioindicators of environment quality. We identified a total of 1079 microbial genera. Overall, gut microbiome was dominated by Proteobacteria, Firmicutes and Actinobacteria. Alpha and beta diversity were different amongst sites and could be explained by a reduced number of environmental and biological factors, specifically the relative abundance of fish preys in eels' diet, PCB101, γHCH (lindane), transnonachlor and arsenic. Furthermore, we identified a series of indicator taxa with differential abundance between the three sites. Changes in the microbial communities in the gut caused by environmental pollutants were previously undocumented in European eels. Our results indicate that microbiota might represent another route by which pollutants affect the health of these aquatic sentinel organisms.
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Affiliation(s)
| | - Claire Hoede
- Université de Toulouse, INRAE, UR MIAT, PF GenoToul Bioinfo, 31320, Castanet-Tolosan, France; Université Fédérale de Toulouse, INRAE, BioinfOmics, GenoToul Bioinformatics Facility, 31326, Castanet-Tolosan, France
| | - Emilie Dassié
- Univ. Bordeaux, CNRS, EPOC, EPHE, UMR 5805, 33600, Pessac, France
| | | | - Amandine Suin
- Genome & Transcriptome - Plateforme GeT-PlaGe, INRAE, 31326, Castanet-Tolosan, France
| | - Karine Le Menach
- Univ. Bordeaux, CNRS, EPOC, EPHE, UMR 5805, 33600, Pessac, France
| | - Hélène Budzinski
- Univ. Bordeaux, CNRS, EPOC, EPHE, UMR 5805, 33600, Pessac, France
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6
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Lewis PJ, Lashko A, Chiaradia A, Allinson G, Shimeta J, Emmerson L. New and legacy persistent organic pollutants (POPs) in breeding seabirds from the East Antarctic. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 309:119734. [PMID: 35835279 DOI: 10.1016/j.envpol.2022.119734] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 07/02/2022] [Accepted: 07/04/2022] [Indexed: 06/15/2023]
Abstract
Persistent organic pollutants (POPs) are pervasive and a significant threat to the environment worldwide. Yet, reports of POP levels in Antarctic seabirds based on blood are scarce, resulting in significant geographical gaps. Blood concentrations offer a snapshot of contamination within live populations, and have been used widely for Arctic and Northern Hemisphere seabird species but less so in Antarctica. This paper presents levels of legacy POPs (polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs) and polybrominated diphenyl ethers (PBDEs)) and novel brominated flame retardants (NBFRs) in the blood of five Antarctic seabird species breeding within Prydz Bay, East Antarctica. Legacy PCBs and OCPs were detected in all species sampled, with Adélie penguins showing comparatively high ∑PCB levels (61.1 ± 87.6 ng/g wet weight (ww)) compared to the four species of flying seabirds except the snow petrel (22.5 ± 15.5 ng/g ww), highlighting that legacy POPs are still present within Antarctic wildlife despite decades-long bans. Both PBDEs and NBFRs were detected in trace levels for all species and hexabromobenzene (HBB) was quantified in cape petrels (0.3 ± 0.2 ng/g ww) and snow petrels (0.2 ± 0.1 ng/g ww), comparable to concentrations found in Arctic seabirds. These results fill a significant data gap within the Antarctic region for POPs studies, representing a crucial step forward assessing the fate and impact of legacy POPs contamination in the Antarctic environment.
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Affiliation(s)
- Phoebe J Lewis
- School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria, 3001, Australia.
| | - Anna Lashko
- Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania, 7050, Australia
| | - Andre Chiaradia
- Conservation Department, Phillip Island Nature Parks, Victoria, 3925, Australia
| | - Graeme Allinson
- School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria, 3001, Australia
| | - Jeff Shimeta
- School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria, 3001, Australia
| | - Louise Emmerson
- Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania, 7050, Australia
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7
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Midthaug HK, Hitchcock DJ, Bustnes JO, Polder A, Descamps S, Tarroux A, Soininen EM, Borgå K. Within and between breeding-season changes in contaminant occurrence and body condition in the Antarctic breeding south polar skua. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 284:117434. [PMID: 34062433 DOI: 10.1016/j.envpol.2021.117434] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 05/11/2021] [Accepted: 05/16/2021] [Indexed: 06/12/2023]
Abstract
The Antarctic ecosystem represents a remote region far from point sources of pollution. Still, Antarctic marine predators, such as seabirds, are exposed to organohalogen contaminants (OHCs) which may induce adverse health effects. With increasing restrictions and regulations on OHCs, the levels and exposure are expected to decrease over time. We studied south polar skua (Catharacta maccormiciki), a top predator seabird, to compare OHC concentrations measured in whole blood from 2001/2002 and 2013/2014 in Dronning Maud Land. As a previous study found increasing organochlorine concentrations with sampling day during the 2001/2002 breeding season, suggesting dietary changes, we investigated if this increase was repeated in the 2013/2014 breeding season. In addition to organochlorines, we analyzed hydroxy-metabolites, brominated contaminants and per- and polyfluoroalkyl substances (PFAS) in 2013/2014, as well as dietary descriptors of stable isotopes of carbon and nitrogen, to assess potential changes in diet during breeding. Lipid normalized concentrations of individual OHCs were 63%, 87% and 105% higher for hexachlorobenzene (HCB), 1,1-dichloro-2,2-bis (p-chlorophenyl)ethylene (p,p'-DDE), and ∑Polychlorinated biphenyls (PCBs), respectively, in 2013/2014 compared to 2001/2002. South polar skuas males in 2013/2014 were in poorer body condition than in 2001/2002, and with higher pollutant levels. Poorer body condition may cause the remobilization of contaminants from stored body reserves, and continued exposure to legacy contaminants at overwintering areas may explain the unexpected higher OHC concentrations in 2013/2014 than 2001/2002. Concentrations of protein-associated PFAS increased with sampling day during the 2013/2014 breeding season, whereas the lipid-soluble chlorinated pesticides, PCBs and polybrominated diphenyl ether (PBDEs) showed no change. OHC occurrence was not correlated with stable isotopes. The PFAS biomagnification through the local food web at the colony should be investigated further.
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Affiliation(s)
- Hilde Karin Midthaug
- Department of Biosciences, University of Oslo (UiO), Pb. 1066 Blindern, N-0316 Oslo, Norway
| | - Daniel J Hitchcock
- Department of Biosciences, University of Oslo (UiO), Pb. 1066 Blindern, N-0316 Oslo, Norway
| | - Jan Ove Bustnes
- Norwegian Institute for Nature Research (NINA), Fram Centre, N-9296, Tromsø, Norway
| | - Anuschka Polder
- Faculty of Veterinary Medicine, Department of Paraclinical Sciences, Norwegian University of Life Sciences (NMBU), P.O. Box 5003, N-1432 Ås, Norway
| | - Sébastien Descamps
- Norwegian Polar Institute (NPI), Fram Centre, Pb. 6606 Langnes, N-9296, Tromsø, Norway
| | - Arnaud Tarroux
- Norwegian Institute for Nature Research (NINA), Fram Centre, N-9296, Tromsø, Norway; Norwegian Polar Institute (NPI), Fram Centre, Pb. 6606 Langnes, N-9296, Tromsø, Norway
| | - Eeva M Soininen
- Norwegian Polar Institute (NPI), Fram Centre, Pb. 6606 Langnes, N-9296, Tromsø, Norway; The Arctic University of Norway (UiT), Pb. 6050 Langnes, N-9037, Tromsø, Norway
| | - Katrine Borgå
- Department of Biosciences, University of Oslo (UiO), Pb. 1066 Blindern, N-0316 Oslo, Norway.
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Glucs ZE, Smith DR, Tubbs CW, Bakker VJ, Wolstenholme R, Dudus K, Burnett LJ, Clark M, Clark M, Finkelstein ME. Foraging behavior, contaminant exposure risk, and the stress response in wild California condors (Gymnogyps californianus). ENVIRONMENTAL RESEARCH 2020; 189:109905. [PMID: 32738723 DOI: 10.1016/j.envres.2020.109905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Revised: 06/05/2020] [Accepted: 06/30/2020] [Indexed: 06/11/2023]
Abstract
Wild California condors (Gymnogyps californianus) are frequently exposed to lead via lead-based ammunition ingestion, and recent studies indicate significant exposure to organochlorines (e.g. dichlorodiphenyldichloroethylene (DDE) and polychlorinated biphenyls (PCBs)) for condors feeding on beach-cast marine mammals. We investigated the influence of contaminant exposure on condor glucocorticoid response through comparisons between wild and captive populations and identification of modifiers of glucocorticoid release in wild condors. We assessed the glucocorticoid response to routine trapping and handling events through measurement of plasma corticosterone and urate glucocorticoid metabolites (GCM). Comparison of peak urate GCM levels showed wild condors exhibited higher responses to handling-associated stressors (2300 ± 1400 ng/g dry wt, average ± SD, n = 27) than captive condors (910 ± 490 ng/g dry wt., n = 6, U = 28, p = 0.003). Multiple linear regression models and an information theoretic approach (AICc) identified several extrinsic variables (e.g., time captive in flight pen before sample collection) that were negatively associated with plasma corticosterone and urate GCM levels in wild condors, which explained ~25% of glucocorticoid variation. When accounting for these extrinsic variables we found that behavioral variables associated with increased lead and organochlorine exposure risk were positively associated with GCM levels, explaining an additional 15% of glucocorticoid variation among wild condors. Days absent from management area, a variable associated with reduced survival attributed to increased lead exposure risk, had a positive influence on plasma corticosterone levels (β = 53 ± 20 SE) and peak urate GCM levels (β = 1090 ± 586 SE). Years observed feeding on marine mammals, a variable positively associated with DDE and PCB exposure, positively influenced peak urate GCM (β = 1100 ± 520 SE) and the magnitude of GCM response (peak GCM - 1st urate GCM) (β = 1050 ± 500 SE). Our findings suggest that individual propensities for contaminant-associated foraging behaviors predict higher stress-induced glucocorticoid levels in wild condors, and that accounting for variables associated with trapping and handling is essential for assessing the impact of environmental stressors such as contaminants on the condor stress response. As an abnormal glucocorticoid response to stress is associated with reduced reproduction and survival in vertebrates, this work indicates the need for further investigations into the physiological impacts of sub-lethal contaminant exposures in scavenging species worldwide.
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Affiliation(s)
- Zeka E Glucs
- Predatory Bird Research Group, University of California, Santa Cruz, CA, USA; Microbiology and Environmental Toxicology Department, University of California, Santa Cruz, CA, USA.
| | - Donald R Smith
- Microbiology and Environmental Toxicology Department, University of California, Santa Cruz, CA, USA
| | - Christopher W Tubbs
- San Diego Zoo Global, Institute for Conservation Research, Escondido, CA, USA
| | | | - Rachel Wolstenholme
- National Park Service, Interior Regions 8, 9, 10, 12, San Francisco, CA, USA
| | - Kristina Dudus
- National Park Service, Interior Region 2, Gulf Breeze, FL, USA
| | | | | | - Michael Clark
- Los Angeles Zoo and Botanical Gardens, Los Angeles, CA, USA
| | - Myra E Finkelstein
- Microbiology and Environmental Toxicology Department, University of California, Santa Cruz, CA, USA
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Lewis PJ, McGrath TJ, Chiaradia A, McMahon CR, Emmerson L, Allinson G, Shimeta J. A baseline for POPs contamination in Australian seabirds: little penguins vs. short-tailed shearwaters. MARINE POLLUTION BULLETIN 2020; 159:111488. [PMID: 32738640 DOI: 10.1016/j.marpolbul.2020.111488] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Revised: 07/15/2020] [Accepted: 07/15/2020] [Indexed: 06/11/2023]
Abstract
While globally distributed throughout the world's ecosystems, there is little baseline information on persistent organic pollutants (POPs) in marine environments in Australia and, more broadly, the Southern Hemisphere. To fill this knowledge gap, we collected baseline information on POPs in migratory short-tailed shearwaters (Ardenna tenuirostris) from Fisher Island, Tasmania, and resident little penguins (Eudyptula minor) from Phillip Island, Victoria. Levels of polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs) and brominated flame retardants (BFRs) were determined from blood samples, with total contamination ranging 7.6-47.7 ng/g ww for short-tailed shearwaters and 0.12-46.9 ng/g ww for little penguins. In both species contamination followed the same pattern where PCBs>OCPs>BFRs. BFR levels included the presence of the novel flame retardant hexabromobenzene (HBB). These novel results of POPs in seabirds in southeast Australia provide important information on the local (penguins) and global (shearwaters) distribution of POPs in the marine environment.
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Affiliation(s)
- Phoebe J Lewis
- Centre for Environmental Sustainability and Remediation (EnSuRe), School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria 3001, Australia; Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania 7050, Australia.
| | - Thomas J McGrath
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Andre Chiaradia
- Conservation Department, Phillip Island Nature Parks, Victoria 3925, Australia
| | - Clive R McMahon
- IMOS Animal Tagging, Sydney Institute of Marine Science, 19 Chowder Bay, Mosman 2088, New South Wales, Australia
| | - Louise Emmerson
- Australian Antarctic Division, 203 Channel Highway, Kingston, Tasmania 7050, Australia
| | - Graeme Allinson
- Centre for Environmental Sustainability and Remediation (EnSuRe), School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria 3001, Australia
| | - Jeff Shimeta
- Centre for Environmental Sustainability and Remediation (EnSuRe), School of Science, RMIT University, GPO Box 2476, Melbourne, Victoria 3001, Australia
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10
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Acolas ML, Davail B, Gonzalez P, Jean S, Clérandeau C, Morin B, Gourves PY, Daffe G, Labadie P, Perrault A, Lauzent M, Pierre M, Le Barh R, Baudrimont M, Peluhet L, Le Menach K, Budzinski H, Rochard E, Cachot J. Health indicators and contaminant levels of a critically endangered species in the Gironde estuary, the European sturgeon. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:3726-3745. [PMID: 31020527 DOI: 10.1007/s11356-019-05139-5] [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: 08/02/2018] [Accepted: 04/08/2019] [Indexed: 06/09/2023]
Abstract
The European sturgeon, Acipenser sturio, is a highly endangered species that almost disappeared in the last decades. Thanks to yearly restocking of the population, this species is still found in the Gironde estuary (France), where juveniles grow during several years before leaving to the ocean. The aims of this study were to evaluate the pressure exerted on these fish by known organic and inorganic contaminants during their stay at the Gironde estuary, and to get information on the fish's health in this context. Monthly captures over the year 2014 provided 87 fish from the cohorts 2012 and 2013 mainly, and from cohorts 2008, 2009, and 2011, all fish born in hatchery. We report the very first analyses of contaminant levels and of biological markers measured in the blood of these fish. Low inorganic contamination was found, composed of seven metals mainly Zn (< 5 μg mL-1), Fe (< 1.5 μg mL-1), Cu (< 0.8 μg mL-1), Se (< 0.8 μg mL-1), As (< 0.25 μg mL-1), Co (< 0.14 μg mL-1), and Mn (< 0.03 μg mL-1). Concerning persistent organic contaminants, the sum of seven PCBs varied from 1 to 10 ng g-1 plasma, that of eight OCPs from 0.1 to 1 ng g-1, and that of eight PBDEs from 10 to 100 pg g-1. Higher levels of contaminants were measured during spring as compared to summer. The sex steroid hormone plasma levels (estradiol, testosterone, and 11-ketotestosterone) were quite low, which was predictable for juveniles. The transcription of reproduction-involved genes (EstR, AR, LHR, sox9) in blood cells was demonstrated for the first time. Some of them were correlated with organic contaminant levels PCBs and OCPs. Other gene transcriptions (sodCu and bax) were correlated with PCBs and OCPs. However, the DNA damage level measured here as comet tail DNA and micronuclei ratio in red blood cells were in the very low range of the values commonly obtained in fish from pristine areas. The data presented here can serve as a reference base for future monitoring of this population of sturgeons.
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Affiliation(s)
- Marie-Laure Acolas
- Irstea, EABX, Aquatic Ecosystems and Global Changes, 50 avenue de Verdun, F-33612, Gazinet Cestas, France
| | - Blandine Davail
- University of Bordeaux, UMR 5805 EPOC, Aquatic Ecotoxicology, B2, allée Geoffroy Saint-Hilaire, F-33405, Talence, France.
| | - Patrice Gonzalez
- University of Bordeaux, UMR 5805 EPOC, Aquatic Ecotoxicology, Place du Dr B. Peyneau, F-33120, Arcachon, France
| | - Séverine Jean
- EcoLab, Université de Toulouse, CNRS, INPT, UPS, Avenue de l'Agrobiopole, F-31326, Caxtanet-Tolosan Cedex, France
| | - Christelle Clérandeau
- University of Bordeaux, UMR 5805 EPOC, Aquatic Ecotoxicology, B2, allée Geoffroy Saint-Hilaire, F-33405, Talence, France
| | - Bénédicte Morin
- University of Bordeaux, UMR 5805 EPOC, Aquatic Ecotoxicology, B2, allée Geoffroy Saint-Hilaire, F-33405, Talence, France
| | - Pierre-Yves Gourves
- University of Bordeaux, UMR 5805 EPOC, Aquatic Ecotoxicology, Place du Dr B. Peyneau, F-33120, Arcachon, France
| | - Guillemine Daffe
- University of Bordeaux, UMR 5805 EPOC, Aquatic Ecotoxicology, Place du Dr B. Peyneau, F-33120, Arcachon, France
| | - Pierre Labadie
- University of Bordeaux, UMR 5805 EPOC, LPTC, 351 crs de la Libération, F-33405, Talence, France
| | - Annie Perrault
- EcoLab, Université de Toulouse, CNRS, INPT, UPS, Avenue de l'Agrobiopole, F-31326, Caxtanet-Tolosan Cedex, France
| | - Mathilde Lauzent
- University of Bordeaux, UMR 5805 EPOC, LPTC, 351 crs de la Libération, F-33405, Talence, France
| | - Maud Pierre
- Irstea, EABX, Aquatic Ecosystems and Global Changes, 50 avenue de Verdun, F-33612, Gazinet Cestas, France
| | - Romaric Le Barh
- Irstea, EABX, Aquatic Ecosystems and Global Changes, 50 avenue de Verdun, F-33612, Gazinet Cestas, France
| | - Magalie Baudrimont
- University of Bordeaux, UMR 5805 EPOC, Aquatic Ecotoxicology, Place du Dr B. Peyneau, F-33120, Arcachon, France
| | - Laurent Peluhet
- University of Bordeaux, UMR 5805 EPOC, LPTC, 351 crs de la Libération, F-33405, Talence, France
| | - Karyn Le Menach
- University of Bordeaux, UMR 5805 EPOC, LPTC, 351 crs de la Libération, F-33405, Talence, France
| | - Hélène Budzinski
- University of Bordeaux, UMR 5805 EPOC, LPTC, 351 crs de la Libération, F-33405, Talence, France
| | - Eric Rochard
- Irstea, EABX, Aquatic Ecosystems and Global Changes, 50 avenue de Verdun, F-33612, Gazinet Cestas, France
| | - Jérôme Cachot
- University of Bordeaux, UMR 5805 EPOC, Aquatic Ecotoxicology, B2, allée Geoffroy Saint-Hilaire, F-33405, Talence, France
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11
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Carlsson P, Breivik K, Brorström-Lundén E, Cousins I, Christensen J, Grimalt JO, Halsall C, Kallenborn R, Abass K, Lammel G, Munthe J, MacLeod M, Odland JØ, Pawlak J, Rautio A, Reiersen LO, Schlabach M, Stemmler I, Wilson S, Wöhrnschimmel H. Polychlorinated biphenyls (PCBs) as sentinels for the elucidation of Arctic environmental change processes: a comprehensive review combined with ArcRisk project results. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:22499-22528. [PMID: 29956262 PMCID: PMC6096556 DOI: 10.1007/s11356-018-2625-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 06/20/2018] [Indexed: 05/18/2023]
Abstract
Polychlorinated biphenyls (PCBs) can be used as chemical sentinels for the assessment of anthropogenic influences on Arctic environmental change. We present an overview of studies on PCBs in the Arctic and combine these with the findings from ArcRisk-a major European Union-funded project aimed at examining the effects of climate change on the transport of contaminants to and their behaviour of in the Arctic-to provide a case study on the behaviour and impact of PCBs over time in the Arctic. PCBs in the Arctic have shown declining trends in the environment over the last few decades. Atmospheric long-range transport from secondary and primary sources is the major input of PCBs to the Arctic region. Modelling of the atmospheric PCB composition and behaviour showed some increases in environmental concentrations in a warmer Arctic, but the general decline in PCB levels is still the most prominent feature. 'Within-Arctic' processing of PCBs will be affected by climate change-related processes such as changing wet deposition. These in turn will influence biological exposure and uptake of PCBs. The pan-Arctic rivers draining large Arctic/sub-Arctic catchments provide a significant source of PCBs to the Arctic Ocean, although changes in hydrology/sediment transport combined with a changing marine environment remain areas of uncertainty with regard to PCB fate. Indirect effects of climate change on human exposure, such as a changing diet will influence and possibly reduce PCB exposure for indigenous peoples. Body burdens of PCBs have declined since the 1980s and are predicted to decline further.
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Affiliation(s)
| | - Knut Breivik
- NILU-Norwegian Institute for Air Research, 2027, Kjeller, Norway
| | | | - Ian Cousins
- Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, 11418, Stockholm, Sweden
| | - Jesper Christensen
- Department of Bioscience, Arctic Research Centre, Aarhus University, 4000, Roskilde, Denmark
| | - Joan O Grimalt
- Institute of Environmental Assessment and Water Research (IDÆA), Spanish Council for Scientific Research (CSIC), 0834, Barcelona, Spain
| | - Crispin Halsall
- Lancaster Environment Centre, Lancaster University, Lancaster, LA1 4YQ, UK
| | - Roland Kallenborn
- Faculty of Chemistry, Biotechnology and Food Sciences (KBM), Norwegian University of Life Sciences (NMBU), Christian Magnus Falsen Veg 1, 1432, Ås, Norway
- Department of Arctic Technology (AT), University Centre in Svalbard (UNIS), 9171, Longyearbyen, Svalbard, Norway
| | - Khaled Abass
- Department of Pesticides, Menoufia University, P.O. Box 32511, Shebeen El-Kom, Egypt
- Arctic Health, Faculty of Medicine, University of Oulu, 90014, Oulu, Finland
| | - Gerhard Lammel
- Max Planck Institute for Chemistry, 55128, Mainz, Germany
- Research Centre for Toxic Compounds in the Environment, Masaryk University, 62500, Brno, Czech Republic
| | - John Munthe
- IVL Swedish Environment Research Institute, 411 33, Göteborg, Sweden
| | - Matthew MacLeod
- Department of Environmental Science and Analytical Chemistry (ACES), Stockholm University, 11418, Stockholm, Sweden
| | - Jon Øyvind Odland
- Department of Community Medicine, UiT-The Arctic University of Norway, 9037, Tromsø, Norway
| | - Janet Pawlak
- Arctic Monitoring and Assessment Programme (AMAP), AMAP Secretariat, Gaustadalléen 21, 0349, Oslo, Norway
| | - Arja Rautio
- Arctic Health, Faculty of Medicine, University of Oulu, 90014, Oulu, Finland
| | - Lars-Otto Reiersen
- Arctic Monitoring and Assessment Programme (AMAP), AMAP Secretariat, Gaustadalléen 21, 0349, Oslo, Norway
| | - Martin Schlabach
- NILU-Norwegian Institute for Air Research, 2027, Kjeller, Norway
| | - Irene Stemmler
- Max Planck Institute for Chemistry, 55128, Mainz, Germany
- Max Planck Institute for Meteorology, 20146, Hamburg, Germany
| | - Simon Wilson
- Arctic Monitoring and Assessment Programme (AMAP), AMAP Secretariat, Gaustadalléen 21, 0349, Oslo, Norway
| | - Henry Wöhrnschimmel
- Department of Chemistry and Applied Biosciences, Institute of Chemical and Bioengineering, ETH Zürich, 8092, Zürich, Switzerland
- Swiss Federal Office for the Environment, Worblentalstrasse 68, 3063, Ittigen, Switzerland
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12
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Haarr A, Hylland K, Eckbo N, Gabrielsen GW, Herzke D, Bustnes JO, Blévin P, Chastel O, Moe B, Hanssen SA, Sagerup K, Borgå K. DNA damage in Arctic seabirds: Baseline, sensitivity to a genotoxic stressor, and association with organohalogen contaminants. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2018; 37:1084-1091. [PMID: 29120089 DOI: 10.1002/etc.4035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 09/06/2017] [Accepted: 11/08/2017] [Indexed: 06/07/2023]
Abstract
Environmental contaminants are found throughout Arctic marine ecosystems, and their presence in seabirds has been associated with toxicological responses. However, there are few studies of genotoxicity in Arctic avian wildlife. The purpose of the present study was to quantify deoxyribonucleic acid (DNA) damage in lymphocytes of selected seabird species and to examine whether accumulation of organohalogen contaminants (ΣOHCs) affects DNA damage. Blood was sampled from common eider (Somateria mollissima), black guillemot (Cepphus grylle), black-legged kittiwake (Rissa tridactyla), glaucous gull (Larus hyperboreus), arctic skua (Stercorarius parasiticus), and great skua (Stercorarius skua) in Kongsfjorden, Svalbard (Norway). Contaminant concentrations found in the 6 species differed, presumably because of foraging ecology and biomagnification. Despite large differences in contaminant concentrations, ranging from ΣOHCs 3.3 ng/g wet weight in the common eider to ΣOHCs 895 ng/g wet weight in the great skua, there was no strong difference among the species in baseline DNA damage or sensitivity to a genotoxic stressor (hydrogen peroxide). Baseline levels of DNA damage were low, with median values ranging from 1.7% in the common eider to 8.6% in the great skua. There were no associations between DNA damage and contaminants in the investigated species, suggesting that contaminant concentrations in Kongsfjorden are too low to evoke genotoxic effects, or possibly that lymphocytes are resistant to strand breakage. Clearly, genotoxicity is a topic for future studies of Arctic seabirds. Environ Toxicol Chem 2018;37:1084-1091. © 2017 SETAC.
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Affiliation(s)
- Ane Haarr
- Department of Biosciences, University of Oslo, Oslo, Norway
| | - Ketil Hylland
- Department of Biosciences, University of Oslo, Oslo, Norway
| | - Norith Eckbo
- Department of Biosciences, University of Oslo, Oslo, Norway
| | | | - Dorte Herzke
- Norwegian Institute of Air Research (NILU), Fram Centre, Tromsø, Norway
| | - Jan Ove Bustnes
- Norwegian Institute of Nature Research (NINA), Fram Centre, Tromsø, Norway
| | - Pierre Blévin
- Centre d'Etudes Biologiques de Chizé (CEBC), Conseil National de la Recherche Scientifique (CNRS) and Université de la, Rochelle, France
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé (CEBC), Conseil National de la Recherche Scientifique (CNRS) and Université de la, Rochelle, France
| | - Børge Moe
- Norwegian Institute of Nature Research (NINA), Fram Centre, Tromsø, Norway
| | - Sveinn Are Hanssen
- Norwegian Institute of Nature Research (NINA), Fram Centre, Tromsø, Norway
| | | | - Katrine Borgå
- Department of Biosciences, University of Oslo, Oslo, Norway
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13
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Angelier F, Costantini D, Blévin P, Chastel O. Do glucocorticoids mediate the link between environmental conditions and telomere dynamics in wild vertebrates? A review. Gen Comp Endocrinol 2018; 256:99-111. [PMID: 28705731 DOI: 10.1016/j.ygcen.2017.07.007] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 06/06/2017] [Accepted: 07/06/2017] [Indexed: 12/17/2022]
Abstract
Following the discoveries of telomeres and of their implications in terms of health and ageing, there has been a growing interest into the study of telomere dynamics in wild vertebrates. Telomeres are repeated sequences of non-coding DNA located at the terminal ends of chromosomes and they play a major role in maintaining chromosome stability. Importantly, telomeres shorten over time and shorter telomeres seem to be related with lower survival in vertebrates. Because of this potential link with longevity, it is crucial to understand not only the ecological determinants of telomere dynamics but also the regulatory endocrine mechanisms that may mediate the effect of the environment on telomeres. In this paper, we review the relationships that link environmental conditions, glucocorticoids (GC, the main hormonal mediator of allostasis) and telomere length in vertebrates. First, we review current knowledge about the determinants of inter-individual variations in telomere length. We emphasize the potential strong impact of environmental stressors and predictable life-history events on telomere dynamics. Despite recent progress, we still lack crucial basic data to fully understand the costs of several life-history stages and biotic and abiotic factors on telomere length. Second, we review the link that exists between GCs, oxidative stress and telomere dynamics in vertebrates. Although circulating GC levels may be closely and functionally linked with telomere dynamics, data are still scarce and somewhat contradictory. Further laboratory and field studies are therefore needed not only to better assess the proximate link between GC levels and telomere dynamics, but also to ultimately understand to what extent GCs and telomere length could be informative to measure the fitness costs of specific life-history stages and environmental conditions. Finally, we highlight the importance of exploring the functional links that may exist between coping styles, the GC stress response, and telomere dynamics in a life-history framework. To conclude, we raise new hypotheses regarding the potential of the GC stress response to drive the trade-off between immediate survival and telomere protection.
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Affiliation(s)
- Frédéric Angelier
- Centre d'Etudes Biologiques de Chizé, CNRS-ULR, UMR 7372, Villiers en Bois, France.
| | - David Costantini
- Muséum National d'Histoire Naturelle, UMR 7221, Paris, France; Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Pierre Blévin
- Centre d'Etudes Biologiques de Chizé, CNRS-ULR, UMR 7372, Villiers en Bois, France
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé, CNRS-ULR, UMR 7372, Villiers en Bois, France
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14
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Carravieri A, Cherel Y, Brault-Favrou M, Churlaud C, Peluhet L, Labadie P, Budzinski H, Chastel O, Bustamante P. From Antarctica to the subtropics: Contrasted geographical concentrations of selenium, mercury, and persistent organic pollutants in skua chicks (Catharacta spp.). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 228:464-473. [PMID: 28570991 DOI: 10.1016/j.envpol.2017.05.053] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 05/07/2017] [Accepted: 05/19/2017] [Indexed: 06/07/2023]
Abstract
Seabirds integrate bioaccumulative contaminants via food intake and have revealed geographical trends of contamination in a variety of ecosystems. Pre-fledging seabird chicks are particularly interesting as bioindicators of chemical contamination, because concentrations in their tissues reflect primarily dietary sources from the local environment. Here we measured 14 trace elements and 18 persistent organic pollutants (POPs) in blood of chicks of skuas that breed in four sites encompassing a large latitudinal range within the southern Indian Ocean, from Antarctica (Adélie Land, south polar skua Catharacta maccormicki), through subantarctic areas (Crozet and Kerguelen Islands, brown skua C. lonnbergi), to the subtropics (Amsterdam Island, C. lonnbergi). Stables isotopes of carbon (δ13C, feeding habitat) and nitrogen (δ15N, trophic position) were also measured to control for the influence of feeding habits on contaminant burdens. Concentrations of mercury (Hg) and selenium (Se) were very high at all the four sites, with Amsterdam birds having the highest concentrations ever reported in chicks worldwide (4.0 ± 0.8 and 646 ± 123 μg g-1 dry weight, respectively). Blood Hg concentrations showed a clear latitudinal pattern, increasing from chicks in Antarctica to chicks in the subantarctic and subtropical islands. Interestingly, blood Se concentrations showed similar between-population differences to Hg, suggesting its involvement in protective mechanisms against Hg toxicity. Chicks' POPs pattern was largely dominated by organochlorine pesticides, in particular DDT metabolites and hexachlorobenzene (HCB). Skua chicks from subantarctic islands presented high concentrations and diversity of POPs. By contrast, chicks from the Antarctic site overall had the lowest concentrations and diversity of both metallic and organic contaminants, with the exception of HCB and arsenic. Skua populations from these sites, being naturally exposed to different quantities of contaminants, are potentially good models for testing toxic effects in developing chicks in the wild.
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Affiliation(s)
- Alice Carravieri
- Centre d'Etudes Biologiques de Chizé, UMR 7372 CNRS-Université de La Rochelle, 79360 Villiers-en-Bois, France.
| | - Yves Cherel
- Centre d'Etudes Biologiques de Chizé, UMR 7372 CNRS-Université de La Rochelle, 79360 Villiers-en-Bois, France
| | - Maud Brault-Favrou
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-Université de la Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - Carine Churlaud
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-Université de la Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - Laurent Peluhet
- CNRS, UMR 5805 EPOC (LPTC Research group), Université de Bordeaux, 351 Cours de la Libération, F 33405 Talence Cedex, France
| | - Pierre Labadie
- CNRS, UMR 5805 EPOC (LPTC Research group), Université de Bordeaux, 351 Cours de la Libération, F 33405 Talence Cedex, France
| | - Hélène Budzinski
- CNRS, UMR 5805 EPOC (LPTC Research group), Université de Bordeaux, 351 Cours de la Libération, F 33405 Talence Cedex, France
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé, UMR 7372 CNRS-Université de La Rochelle, 79360 Villiers-en-Bois, France
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-Université de la Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France
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15
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Sebastiano M, Bustamante P, Eulaers I, Malarvannan G, Mendez-Fernandez P, Churlaud C, Blévin P, Hauselmann A, Covaci A, Eens M, Costantini D, Chastel O. Trophic ecology drives contaminant concentrations within a tropical seabird community. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 227:183-193. [PMID: 28460236 DOI: 10.1016/j.envpol.2017.04.040] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2017] [Revised: 04/18/2017] [Accepted: 04/18/2017] [Indexed: 05/24/2023]
Abstract
To support environmental management programs, there is an urgent need to know about the presence and understand the dynamics of major contaminants in seabird communities of key marine ecosystems. In this study, we investigated the concentrations and trophodynamics of trace elements in six seabird species and persistent organic pollutants (POPs) in three seabird species breeding on Grand Connétable Island (French Guiana), an area where the increase in human population and mining activities has raised concerns in recent years. Red blood cell Hg concentrations in adults were the highest in Magnificent frigatebirds Fregata magnificens (median: 5.6 μg g-1 dw; range: 3.8-7.8 μg g-1 dw) and lowest in Sooty terns Onychoprion fuscatus (median: 0.9 μg g-1 dw; range: 0.6-1.1 μg g-1 dw). Among POPs, dichlorodiphenyldichloroethylene (p,p'-DDE) was the most abundant compound in plasma of Cayenne terns Thalasseus sandvicensis (median: 1100 pg g-1 ww; range: 160 ± 5100 pg g-1 ww), while polychlorinated biphenyls (PCBs) were the most abundant compound class in plasma of Magnificent frigatebirds (median: 640 pg g-1 ww; range 330 ± 2700 pg g-1 ww). While low intensity of POP exposure does not appear to pose a health threat to this seabird community, Hg concentration in several adults Laughing gulls Leucophaeus atricilla and Royal terns Thalasseus maximus, and in all Magnificent frigatebirds was similar or higher than that of high contaminated seabird populations. Furthermore, nestling red blood cells also contained Hg concentrations of concern, and further studies should investigate its potential health impact in this seabird community. Differences in adult trophic ecology of the six species explained interspecific variation in exposure to trace element and POPs, while nestling trophic ecology provides indications about the diverse feeding strategies adopted by the six species, with the consequent variation in exposure to contaminants.
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Affiliation(s)
- Manrico Sebastiano
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium.
| | - Paco Bustamante
- Littoral Environnement et Sociétés, UMR 7266 CNRS-Université La Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - Igor Eulaers
- Department of Bioscience, Aarhus University, Frederiksborgvej 399, PO Box 358, 4000 Roskilde, Denmark
| | - Govindan Malarvannan
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Paula Mendez-Fernandez
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR7372, CNRS-Université de La Rochelle, F-79360, France
| | - Carine Churlaud
- Littoral Environnement et Sociétés, UMR 7266 CNRS-Université La Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - Pierre Blévin
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR7372, CNRS-Université de La Rochelle, F-79360, France
| | - Antoine Hauselmann
- Association GEPOG, 15 Av Louis Pasteur, 97300 Cayenne, French Guiana, France
| | - Adrian Covaci
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - Marcel Eens
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium
| | - David Costantini
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610 Wilrijk, Belgium; UMR 7221, Muséum National d'Histoire Naturelle, 7 rue Cuvier, 75231 Paris Cedex 05, France
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR7372, CNRS-Université de La Rochelle, F-79360, France
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16
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Blévin P, Angelier F, Tartu S, Ruault S, Bustamante P, Herzke D, Moe B, Bech C, Gabrielsen GW, Bustnes JO, Chastel O. Exposure to oxychlordane is associated with shorter telomeres in arctic breeding kittiwakes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 563-564:125-130. [PMID: 27135574 DOI: 10.1016/j.scitotenv.2016.04.096] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2016] [Revised: 04/13/2016] [Accepted: 04/13/2016] [Indexed: 06/05/2023]
Abstract
Telomeres are DNA-protein complexes located at the end of chromosomes, which play an important role in maintaining the genomic integrity. Telomeres shorten at each cell division and previous studies have shown that telomere length is related to health and lifespan and can be affected by a wide range of environmental factors. Among them, some persistent organic pollutants (POPs) have the potential to damage DNA. However, the effect of POPs on telomeres is poorly known for wildlife. Here, we investigated the relationships between some legacy POPs (organochlorine pesticides and polychlorobiphenyls) and telomere length in breeding adult black-legged kittiwakes (Rissa tridactyla), an arctic seabird species. Our results show that among legacy POPs, only blood concentration of oxychlordane, the major metabolite of chlordane mixture, is associated with shorter telomere length in females but not in males. This suggests that female kittiwakes could be more sensitive to oxychlordane, potentially explaining the previously reported lower survival rate in most oxychlordane-contaminated kittiwakes from the same population. This study is the first to report a significant and negative relationship between POPs and telomere length in a free-living bird and highlights sex-related susceptibility to banned pesticides.
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Affiliation(s)
- Pierre Blévin
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 - CNRS & Université de la, Rochelle, 79360 Villiers-en-Bois, France.
| | - Frédéric Angelier
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 - CNRS & Université de la, Rochelle, 79360 Villiers-en-Bois, France
| | - Sabrina Tartu
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 - CNRS & Université de la, Rochelle, 79360 Villiers-en-Bois, France
| | - Stéphanie Ruault
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 - CNRS & Université de la, Rochelle, 79360 Villiers-en-Bois, France
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 - CNRS & Université de la, Rochelle, 17000 La Rochelle, France
| | - Dorte Herzke
- Norwegian Institute for Air Research, NILU, Fram Centre, NO 9296 Tromsø, Norway
| | - Børge Moe
- Norwegian Institute for Nature Research, NINA, Høgskoleringen 9, NO 7034 Trondheim, Norway
| | - Claus Bech
- Department of Biology, Norwegian University of Science and Technology, NO 7491, Trondheim, Norway
| | | | - Jan Ove Bustnes
- Norwegian Institute for Nature Research, NINA, Fram Centre, NO 9296 Tromsø, Norway
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372 - CNRS & Université de la, Rochelle, 79360 Villiers-en-Bois, France
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17
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Sebastiano M, Bustamante P, Costantini D, Eulaers I, Malarvannan G, Mendez-Fernandez P, Churlaud C, Blévin P, Hauselmann A, Dell'Omo G, Covaci A, Eens M, Chastel O. High levels of mercury and low levels of persistent organic pollutants in a tropical seabird in French Guiana, the Magnificent frigatebird, Fregata magnificens. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 214:384-393. [PMID: 27108042 DOI: 10.1016/j.envpol.2016.03.070] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Revised: 03/09/2016] [Accepted: 03/28/2016] [Indexed: 06/05/2023]
Abstract
In the present study, trace elements and persistent organic pollutants (POPs) were quantified from Magnificent frigatebirds (Fregata magnificens) breeding at a southern Atlantic island. Stable isotope ratio of carbon (δ(13)C) and nitrogen (δ(15)N) were also measured to infer the role of foraging habitat on the contamination. For another group from the same colony, GPS tracks were recorded to identify potential foraging areas where the birds may get contaminated. Fourteen trace elements were targeted as well as a total of 40 individual POPs, including organochlorine pesticides (OCPs), polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs). The concentration of Hg in the blood was up to 6 times higher in adults (5.81 ± 1.27 μg g(-1) dw.) than in nestlings (0.99 ± 0.23 μg g(-1) dw.). A similar pattern was found for POPs. ∑PCBs was the prevalent group both in adults (median 673, range 336-2801 pg g(-1) ww.) and nestlings (median 41, range 19-232 pg g(-1) ww.), followed by the sum of dichlorodiphenyltrichloroethanes and metabolites (∑DDTs), showing a median value of 220 (range 75-2342 pg g(-1) ww.) in adults and 25 (range 13-206 pg g(-1) ww.) in nestlings. The isotope data suggested that the accumulation of trace elements and POPs between adults and nestlings could be due to parental foraging in two different areas during incubation and chick rearing, respectively, or due to a shift in the feeding strategies along the breeding season. In conclusion, our work showed high Hg concentration in frigatebirds compared to non-contaminated seabird populations, while other trace elements showed lower values within the expected range in other seabird species. Finally, POP exposure was found generally lower than that previously measured in other seabird species.
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Affiliation(s)
- Manrico Sebastiano
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium.
| | - Paco Bustamante
- Littoral Environnement et Sociétés, UMR 7266, CNRS-Université La Rochelle, 17000 La Rochelle, France
| | - David Costantini
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium; Institute of Biodiversity, Animal Health and Comparative Medicine, School of Life Sciences, University of Glasgow, Graham Kerr Building, Glasgow G12 8QQ, UK
| | - Igor Eulaers
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium; Department of Bioscience, Aarhus University, Frederiksborgsvej 399, PO Box 358, 4000, Roskilde, Denmark
| | - Govindan Malarvannan
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Paula Mendez-Fernandez
- Littoral Environnement et Sociétés, UMR 7266, CNRS-Université La Rochelle, 17000 La Rochelle, France
| | - Carine Churlaud
- Littoral Environnement et Sociétés, UMR 7266, CNRS-Université La Rochelle, 17000 La Rochelle, France
| | - Pierre Blévin
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR7372, CNRS/Univ. La Rochelle, F-79360, France
| | | | | | - Adrian Covaci
- Toxicological Centre, Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Marcel Eens
- Behavioural Ecology & Ecophysiology Group, Department of Biology, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR7372, CNRS/Univ. La Rochelle, F-79360, France
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18
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Fenstad AA, Moody AJ, Öst M, Jaatinen K, Bustnes JO, Moe B, Hanssen SA, Gabrielsen KM, Herzke D, Lierhagen S, Jenssen BM, Krøkje Å. Antioxidant Responses in Relation to Persistent Organic Pollutants and Metals in a Low- and a High-Exposure Population of Seabirds. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:4817-4825. [PMID: 27050285 DOI: 10.1021/acs.est.6b00478] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Oxidative stress occurs when there is an imbalance between the production of reactive oxygen species (ROS) and antioxidant defense. Exposure to pollutants may increase ROS and affect antioxidant levels, and the resulting oxidative stress may negatively affect both reproduction and survival. We measured concentrations of 18 persistent organic pollutants (POPs) and 9 toxic elements in blood, as well as total antioxidant capacity (TAC), total glutathione (tGSH), and carotenoids in plasma of Baltic and Arctic female common eiders (Somateria mollissima) (N = 54) at the end of their incubation-related fasting. The more polluted Baltic population had higher TAC and tGSH concentrations compared to the Arctic population. Carotenoid levels did not differ between populations. The effect of mixtures of pollutants on the antioxidants was assessed, and the summed molar blood concentrations of 14 POPs were positively related to TAC. There was no significant relationship between the analyzed pollutants and tGSH concentrations. The adaptive improvement of the antioxidant defense system in the Baltic population may be a consequence of increased oxidative stress. However, both increased oxidative stress and energy allocation toward antioxidant defense may have adverse consequences for Baltic eiders at the incubation stage, when energy resources reach an annual minimum due to incubation-related fasting.
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Affiliation(s)
- Anette A Fenstad
- Department of Biology, Realfagbygget, Norwegian University of Science and Technology (NTNU) , 7491 Trondheim, Norway
| | - A John Moody
- School of Biological Sciences, Plymouth University , Drake Circus, Plymouth, Devon PL4 8AA, U.K
| | - Markus Öst
- Environmental and Marine Biology, Faculty of Science and Engineering, Åbo Akademy University , Artellerigatan 6, FI-20520 Turku, Finland
- Coastal Zone Research Team, Novia University of Applied Sciences (NOVIA) , Raseborgsvägen 9, FI-10600 Ekenäs, Finland
| | - Kim Jaatinen
- Coastal Zone Research Team, Novia University of Applied Sciences (NOVIA) , Raseborgsvägen 9, FI-10600 Ekenäs, Finland
| | - Jan O Bustnes
- Norwegian Institute for Nature Research (NINA), Framsenteret, Hjalmar Johansens gate 14, 9296 Tromsø, Norway
| | - Børge Moe
- NINA, Høgskoleringen 9, 7034 Trondheim, Norway
| | - Sveinn A Hanssen
- Norwegian Institute for Nature Research (NINA), Framsenteret, Hjalmar Johansens gate 14, 9296 Tromsø, Norway
| | - Kristin M Gabrielsen
- Department of Biology, Realfagbygget, Norwegian University of Science and Technology (NTNU) , 7491 Trondheim, Norway
| | - Dorte Herzke
- Norwegian Institute for Air Research (NILU), Framsenteret, Hjalmar Johansens gate 14, 9296 Tromsø, Norway
| | - Syverin Lierhagen
- Department of Chemistry, Realfagbygget, Norwegian University of Science and Technology (NTNU) , 7491 Trondheim, Norway
| | - Bjørn M Jenssen
- Department of Biology, Realfagbygget, Norwegian University of Science and Technology (NTNU) , 7491 Trondheim, Norway
| | - Åse Krøkje
- Department of Biology, Realfagbygget, Norwegian University of Science and Technology (NTNU) , 7491 Trondheim, Norway
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19
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Pérez C, Granadeiro JP, Dias MP, Catry P. Sex and migratory strategy influence corticosterone levels in winter-grown feathers, with positive breeding effects in a migratory pelagic seabird. Oecologia 2016; 181:1025-33. [PMID: 27053322 DOI: 10.1007/s00442-016-3625-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Accepted: 03/29/2016] [Indexed: 01/27/2023]
Abstract
To overcome unpredictable stressful transitory events, animals trigger an allostatic response involving the hypothalamic-pituitary-adrenal cortex. This hormonal response, which involves the release of glucocorticoids which in turn mediate between the main physiological mechanisms that regulate the energetic demands and resource allocation trade-off with behavioural responses to environmental perturbations and may ultimately lead to variation in fitness. We have used the Cory's shearwater Calonectris borealis, a sexually dimorphic pelagic seabird with a partial migratory strategy, as a model bird species to analyse a number of traits related to the stress response. We investigated whether the activation of a stressful response, mediated by corticosterone, during the wintering period (1) correlated with the previous breeding success, (2) was affected by the migratory behaviour of male birds and (3) had consequences in the fitness of the birds. Corticosterone levels in feathers grown overwinter were analysed in 61 adult birds during three consecutive migratory periods (2009-2012) and in 14 immature birds in the wintering period 2010-2011. Moreover, the levels of corticosterone were analysed in experimental birds which were freed from their reproductive duties and compared with control birds which raised fledglings to the end of the breeding period. The results show that the levels of corticosterone were sex dependent, differed between years and were affected by the migratory strategy performed by the birds. The activation of the stressful response over the wintering period generated residual carry-over effects that positively affected the reproductive output in the subsequent breeding stage, a phenomenon previously undescribed in a long-lived pelagic seabird. Our study provides evidence that the analysis of corticosterone from feathers is a useful tool to evaluate carry-over effects in birds far away from breeding sites, opening new possibilities for future studies in this field.
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Affiliation(s)
- Cristóbal Pérez
- Marine and Environmental Sciences Centre (MARE), ISPA-Instituto Universitário, Rua Jardim do Tabaco 34, 1149-041, Lisbon, Portugal.
- Department of Ecology and Animal Biology, University of Vigo, 36310, Pontevedra, Spain.
| | - José Pedro Granadeiro
- CESAM and Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Maria P Dias
- BirdLife International, Wellbrook Court, Girton Road, Cambridge, CB3 0NA, UK
| | - Paulo Catry
- Marine and Environmental Sciences Centre (MARE), ISPA-Instituto Universitário, Rua Jardim do Tabaco 34, 1149-041, Lisbon, Portugal
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20
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Xu H, Li C, Li Y, Ng GHB, Liu C, Zhang X, Gong Z. Generation of Tg(cyp1a:gfp) Transgenic Zebrafish for Development of a Convenient and Sensitive In Vivo Assay for Aryl Hydrocarbon Receptor Activity. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2015; 17:831-840. [PMID: 26410295 DOI: 10.1007/s10126-015-9669-1] [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] [Accepted: 08/12/2015] [Indexed: 06/05/2023]
Abstract
Both dioxins/dioxin-like compounds and polycyclic aromatic hydrocarbons (PAHs) are persistent organic pollutants and cause multiple adverse health effects on human and wildlife. Cyp1a is the most commonly used biomarker induced by these pollutants through activation of the aryl hydrocarbon receptor (AhR) pathway. Here we generated Tg(cyp1a:gfp) transgenic zebrafish for establishing a convenient in vivo assay for analysing these xenobiotic compounds. The Tg(cyp1a:gfp) larvae at 4 day post-fertilization were tested with 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD), and GFP induction was observed mainly in the kidney, liver and gut. Similar GFP expression was also induced strongly by two dioxin-like chemicals, co-planar polychlorinated biphenyl (PCB126) and polychlorinated dibenzo-p-furan (PeCDF) and relatively weakly by two PAHs, 3-methylcholanthrene (3-MC) and benzo[a]pyrene (BAP). The lowest observed effective concentration (LOEC) of TCDD was estimated to be ∼1 pM and the EC50 (effective concentration to induce GFP in 50 % of Tg(cyp1a:gfp) larvae) was ∼10 pM. PCB126 and PeCDF had ∼10× lower potencies in GFP induction than TCDD, while the potencies for 3-MC and BAP were at least 1000× lower. The sensitivity of Tg(cyp1a:gfp) larvae to respond TCDD was also favourable compared to that of ethoxyresorufin-O-deethylase (EROD) assay in both zebrafish larvae and adult livers. As GFP-based assay in transgenic zebrafish can be easily accommodated in multi-well dishes, the Tg(cyp1a:gfp) zebrafish should provide not only a valuable biomonitoring tool for aquatic contaminants but also a potential high-throughput chemical screening platform for identification of new AhR agonists.
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Affiliation(s)
- Hongyan Xu
- Department of Biological Sciences, National University of Singapore, S3-Level 6, 14 Science Drive 4, Singapore, 117543, Singapore
- Pearl River Fishery Research Institute, Chinese Academic of Fishery Sciences, Guangzhou, 510380, China
| | - Caixia Li
- Department of Biological Sciences, National University of Singapore, S3-Level 6, 14 Science Drive 4, Singapore, 117543, Singapore
| | - Yan Li
- Department of Biological Sciences, National University of Singapore, S3-Level 6, 14 Science Drive 4, Singapore, 117543, Singapore
| | - Grace Hwee Boon Ng
- Department of Biological Sciences, National University of Singapore, S3-Level 6, 14 Science Drive 4, Singapore, 117543, Singapore
| | - Chunsheng Liu
- Department of Biological Sciences, National University of Singapore, S3-Level 6, 14 Science Drive 4, Singapore, 117543, Singapore
- College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiaoyan Zhang
- Department of Biological Sciences, National University of Singapore, S3-Level 6, 14 Science Drive 4, Singapore, 117543, Singapore
| | - Zhiyuan Gong
- Department of Biological Sciences, National University of Singapore, S3-Level 6, 14 Science Drive 4, Singapore, 117543, Singapore.
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21
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Tartu S, Lendvai ÁZ, Blévin P, Herzke D, Bustamante P, Moe B, Gabrielsen GW, Bustnes JO, Chastel O. Increased adrenal responsiveness and delayed hatching date in relation to polychlorinated biphenyl exposure in Arctic-breeding black-legged kittiwakes (Rissa tridactyla). Gen Comp Endocrinol 2015; 219:165-72. [PMID: 25796954 DOI: 10.1016/j.ygcen.2014.12.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2014] [Revised: 12/24/2014] [Accepted: 12/29/2014] [Indexed: 12/13/2022]
Abstract
High levels of environmental contaminants such as polychlorinated biphenyls (PCBs), organochlorine pesticides (OCPs) and mercury (Hg) have been reported in some Arctic top predators such as seabirds. Chronic exposure to these contaminants might alter the response to environmental changes through interference with the regulation of corticosterone (CORT), a glucocorticoid stress hormone released by the hypothalamo-pituitary-adrenal (HPA) axis. Positive and negative relationships between CORT and environmental contaminants have been reported in polar seabirds. However, patterns appear inconclusive and it is difficult to attribute these relationships to a dysfunction of the HPA axis or to other confounding effects. In order to explore the relationships between the HPA axis activity and contaminants, we tested whether different aspects of the HPA axis of an Arctic seabird, the black-legged kittiwakes Rissa tridactyla, would be related to blood Hg, PCB and OCP concentrations. Male kittiwakes were caught during the incubation period in Svalbard and were subjected to different stress series: (1) a capture-restraint stress protocol, (2) an injection of dexamethasone (DEX) that enabled to test the efficacy of the HPA negative feedback and (3) an injection of adrenocorticotropic hormone (ACTH) that informed on the adrenal responsiveness. The HPA axis activity was unrelated to ΣOCPs and Hg. However, birds with high concentrations of ΣPCBs released more CORT after the ACTH injection. It is suggested that ΣPCBs may increase the number of ACTH-receptors on the adrenals. Additionally, hatching date was delayed in males with higher concentrations of ΣPCBs and ΣOCPs. This study gives new evidence that PCBs and adrenal activity may be related. Thus high PCB burden may make individuals more prone to other stressors such as ongoing climate change.
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Affiliation(s)
- Sabrina Tartu
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372-ULR CNRS, F-79360, France.
| | - Ádám Z Lendvai
- Department of Evolutionary Zoology, University of Debrecen, Egyetem tér 1, H-4032 Debrecen, Hungary
| | - Pierre Blévin
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372-ULR CNRS, F-79360, France
| | - Dorte Herzke
- Norwegian Institute for Air Research, FRAM High North Research Centre for Climate and the Environment, N-9296 Tromsø, Norway
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-Université de la Rochelle, 2 rue Olympe de Gouges, 17000 La Rochelle, France
| | - Børge Moe
- Norwegian Institute for Nature Research, Postboks 5685 Sluppen, N-7485 Trondheim, Norway
| | - Geir Wing Gabrielsen
- Norwegian Polar Institute, FRAM - High North Research Centre on Climate and the Environment, N-9296 Tromsø, Norway
| | - Jan Ove Bustnes
- Norwegian Institute for Nature Research, FRAM - High North Research Centre for Climate and the Environment, N-9296 Tromsø, Norway
| | - Olivier Chastel
- Centre d'Etudes Biologiques de Chizé (CEBC), UMR 7372-ULR CNRS, F-79360, France
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