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Martín-Cruz B, Cecchetti M, Simbaña-Rivera K, Rial-Berriel C, Acosta-Dacal A, Zumbado-Peña M, Henríquez-Hernández LA, Gallo-Barneto R, Cabrera-Pérez MÁ, Melián-Melián A, Suárez-Pérez A, Luzardo OP. Potential exposure of native wildlife to anticoagulant rodenticides in Gran Canaria (Canary Islands, Spain): Evidence from residue analysis of the invasive California Kingsnake (Lampropeltis californiae). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 911:168761. [PMID: 37996022 DOI: 10.1016/j.scitotenv.2023.168761] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 11/15/2023] [Accepted: 11/19/2023] [Indexed: 11/25/2023]
Abstract
Anticoagulant rodenticides (ARs), particularly second-generation compounds (SGARs), are extensively used in pest management, impacting non-target wildlife. The California kingsnake (Lampropeltis californiae), an invasive species in Gran Canaria, is under a control plan involving capture and euthanasia. This research aimed to detect 10 different ARs in these snakes, explore geographical and biometrical factors influencing AR exposure, and assess their potential as sentinel species for raptors, sharing similar foraging habits. Liver samples from 360 snakes, euthanized between 2021 and 2022, were analysed for ARs using LC-MS/MS. Results showed all detected rodenticides were SGARs, except for one instance of diphacinone. Remarkably, 90 % of the snakes tested positive for ARs, with over half exposed to multiple compounds. Brodifacoum was predominant, found in over 90 % of AR-positive snakes, while bromadiolone and difenacoum were also frequently detected but at lower levels. The study revealed that larger snakes and those in certain geographic areas had higher AR concentrations. Snakes in less central or more peripheral areas showed lower levels of these compounds. This suggests a correlation between the snakes' size and distribution with the concentration of ARs in their bodies. The findings indicate that the types and prevalence of ARs in California kingsnakes on Gran Canaria mirror those in the island's raptors. This similarity suggests that the kingsnake could serve as a potential sentinel species for monitoring ARs in the ecosystem. However, further research is necessary to confirm their effectiveness in this role.
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Affiliation(s)
- Beatriz Martín-Cruz
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Paseo Blas Cabrera "Físico" s/n, 35016 Las Palmas de Gran Canaria, Spain.
| | - Martina Cecchetti
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Paseo Blas Cabrera "Físico" s/n, 35016 Las Palmas de Gran Canaria, Spain; Environment and Sustainability Institute, University of Exeter. Penryn Campus, Penryn TR10 9FE, United Kingdom
| | - Katherine Simbaña-Rivera
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Paseo Blas Cabrera "Físico" s/n, 35016 Las Palmas de Gran Canaria, Spain; Centro de Investigación para la Salud en América Latina (CISeAL), Facultad de Medicina, Pontificia Universidad Católica del Ecuador (PUCE), Quito, Ecuador
| | - Cristian Rial-Berriel
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Paseo Blas Cabrera "Físico" s/n, 35016 Las Palmas de Gran Canaria, Spain
| | - Andrea Acosta-Dacal
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Paseo Blas Cabrera "Físico" s/n, 35016 Las Palmas de Gran Canaria, Spain
| | - Manuel Zumbado-Peña
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Paseo Blas Cabrera "Físico" s/n, 35016 Las Palmas de Gran Canaria, Spain; Spanish Biomedical Research Center in Physiopathology of Obesity and Nutrition (CIBERObn), Spain
| | - Luis Alberto Henríquez-Hernández
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Paseo Blas Cabrera "Físico" s/n, 35016 Las Palmas de Gran Canaria, Spain; Spanish Biomedical Research Center in Physiopathology of Obesity and Nutrition (CIBERObn), Spain
| | - Ramón Gallo-Barneto
- Gestión y Planeamiento Territorial y Medioambiental, S.A. (GESPLAN). Canary Islands Government, C/León y Castillo 54, bajo, 35003 Las Palmas de Gran Canaria, Spain
| | - Miguel Ángel Cabrera-Pérez
- General Directorate to Combat Climate Change and the Environment, Biodiversity Service, Canary Islands Government, Plaza de los Derechos Humanos, 22, 35071 Las Palmas de Gran Canaria, Spain
| | - Ayose Melián-Melián
- Gestión y Planeamiento Territorial y Medioambiental, S.A. (GESPLAN). Canary Islands Government, C/León y Castillo 54, bajo, 35003 Las Palmas de Gran Canaria, Spain
| | - Alejandro Suárez-Pérez
- Gestión y Planeamiento Territorial y Medioambiental, S.A. (GESPLAN). Canary Islands Government, C/León y Castillo 54, bajo, 35003 Las Palmas de Gran Canaria, Spain
| | - Octavio P Luzardo
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), University of Las Palmas de Gran Canaria, Paseo Blas Cabrera "Físico" s/n, 35016 Las Palmas de Gran Canaria, Spain; Spanish Biomedical Research Center in Physiopathology of Obesity and Nutrition (CIBERObn), Spain
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Holzner A, Mohd Rameli NIA, Ruppert N, Widdig A. Agricultural habitat use affects infant survivorship in an endangered macaque species. Curr Biol 2024; 34:410-416.e4. [PMID: 38194972 DOI: 10.1016/j.cub.2023.12.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 11/02/2023] [Accepted: 12/04/2023] [Indexed: 01/11/2024]
Abstract
Infant survival is a major determinant of individual fitness and constitutes a crucial factor in shaping species' ability to maintain viable populations in changing environments.1 Early adverse conditions, such as maternal loss, social isolation, and ecological hazards, have been associated with reduced rates of infant survivorship in wild primates.2,3,4 Agricultural landscapes increasingly replacing natural forest habitats may additionally threaten the survival of infants through exposure to novel predators,5 human-wildlife conflicts,6,7 or the use of harmful chemicals.8,9 Here, we investigated potential links between agricultural habitat use and high infant mortality in wild southern pig-tailed macaques (Macaca nemestrina) inhabiting a mosaic landscape of rainforest and oil palm plantation in Peninsular Malaysia. Longitudinal data revealed that 57% of all infants born during the study period (2014-2023) died before the age of 1 year, far exceeding mortality rates reported for other wild primates.10,11,12,13,14 Importantly, prolonged time spent in the plantation during infancy decreased the likelihood of infant survival by 3-fold, likely caused by increased exposure to the threats inherent to this environment. Further, mortality risk was elevated for infants born to primiparous mothers and predicted by prolonged maternal interbirth intervals, suggesting potential long-term effects attributed to the uptake and/or accumulation of pesticides in mothers' bodies.15,16,17 Indeed, existing literature reports that pesticides may cross the placental barrier, thus impacting fetal development during pregnancy.18,19,20 Our findings emphasize the importance of minimizing anthropogenic threats to wildlife in agricultural landscapes by establishing environmentally friendly cultivation practices that can sustain wildlife populations in the long term.
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Affiliation(s)
- Anna Holzner
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, 04103 Leipzig, Germany; Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, 04103 Leipzig, Germany; Behavioural Ecology Research Group, Institute of Biology, University of Leipzig, 04103 Leipzig, Germany; School of Biological Sciences, Universiti Sains Malaysia, 11800 Pulau Pinang, Malaysia.
| | - Nurul Iza Adrina Mohd Rameli
- School of Biological Sciences, Universiti Sains Malaysia, 11800 Pulau Pinang, Malaysia; Malaysian Primatological Society, Kulim 09000 Kedah, Malaysia
| | - Nadine Ruppert
- School of Biological Sciences, Universiti Sains Malaysia, 11800 Pulau Pinang, Malaysia; Malaysian Primatological Society, Kulim 09000 Kedah, Malaysia.
| | - Anja Widdig
- German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, 04103 Leipzig, Germany; Department of Human Behavior, Ecology and Culture, Max Planck Institute for Evolutionary Anthropology, 04103 Leipzig, Germany; Behavioural Ecology Research Group, Institute of Biology, University of Leipzig, 04103 Leipzig, Germany
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Pansa CC, Molica LR, de Oliveira Júnior FC, Santello LC, Moraes KCM. Cellular and molecular effects of fipronil in lipid metabolism of HepG2 and its possible connection to non-alcoholic fatty liver disease. J Biochem Mol Toxicol 2024; 38:e23595. [PMID: 38050659 DOI: 10.1002/jbt.23595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 11/05/2023] [Accepted: 11/20/2023] [Indexed: 12/06/2023]
Abstract
Nonalcoholic fatty liver disease (NAFLD) is a global public health problem that affects more than a quarter of the population. The development of this disease is correlated with metabolic dysfunctions that lead to lipid accumulation in the liver. Pesticides are one of etiologies that support NAFLD establishment. Therefore, the effects of the insecticide fipronil on the lipid metabolism of the human hepatic cell line, HepG2, was investigated, considering its widespread use in field crops and even to control domestic pests. To address the goals of the study, biochemical, cellular, and molecular analyses of different concentrations of fipronil in cell cultures were investigated, after 24 h of incubation. Relevant metabolites such as triglycerides, glucose levels, β-oxidation processes, and gene expression of relevant elements correlated with lipid and metabolism of xenobiotics were investigated. The results suggested that at 20 μM, the pesticide increased the accumulation of triglycerides and neutral lipids by reducing fatty acid oxidation and increasing de novo lipogenesis. In addition, changes were observed in genes that control oxidative stress and the xenobiotic metabolism. Together, the results suggest that the metabolic changes caused by the insecticide fipronil may be deleterious if persistent, favoring the establishment of hepatic steatosis.
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Affiliation(s)
- Camila C Pansa
- Laboratório Sinalização Celular e Expressão Gênica, DBGA, Instituto de Biociências, Universidade Estadual Paulista, UNESP, Rio Claro, SP, Brazil
| | - Letícia R Molica
- Laboratório Sinalização Celular e Expressão Gênica, DBGA, Instituto de Biociências, Universidade Estadual Paulista, UNESP, Rio Claro, SP, Brazil
| | - Fabiano C de Oliveira Júnior
- Laboratório Sinalização Celular e Expressão Gênica, DBGA, Instituto de Biociências, Universidade Estadual Paulista, UNESP, Rio Claro, SP, Brazil
| | - Lara C Santello
- Laboratório de Microbiologia Ambiental, DBGA, Instituto de Biociências, Universidade Estadual Paulista, UNESP, Rio Claro, SP, Brazil
| | - Karen C M Moraes
- Laboratório Sinalização Celular e Expressão Gênica, DBGA, Instituto de Biociências, Universidade Estadual Paulista, UNESP, Rio Claro, SP, Brazil
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Noh AAM, Ahmad AH, Salim H. Efficacy of cholecalciferol rodenticide to control wood rat, Rattus tiomanicus and its secondary poisoning impact towards barn owl, Tyto javanica javanica. Sci Rep 2023; 13:2854. [PMID: 36808172 PMCID: PMC9938244 DOI: 10.1038/s41598-023-29499-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 02/06/2023] [Indexed: 02/19/2023] Open
Abstract
Studies were conducted on the potential use of cholecalciferol as an alternative to anticoagulant rodenticides to control common rat pest in oil palm plantations, i.e., wood rats, Rattus tiomanicus, and the secondary poisoning impact of cholecalciferol on barn owls, Tyto javanica javanica. The laboratory efficacy of cholecalciferol (0.075% a.i.) was compared with commonly used first-generation anticoagulant rodenticides (FGARs): chlorophacinone (0.005% a.i) and warfarin (0.05% a.i). The 6-day wild wood rat laboratory feeding trial showed cholecalciferol baits had the highest mortality rate at 71.39%. Similarly, the FGAR chlorophacinone recorded a mortality rate of 74.20%, while warfarin baits recorded the lowest mortality rate at 46.07%. The days-to-death of rat samples was in range of 6-8 days. The highest daily consumption of bait by rat samples was recorded for warfarin at 5.85 ± 1.34 g per day while the lowest was recorded in rat samples fed cholecalciferol, i.e., 3.03 ± 0.17 g per day. Chlorophacinone-treated and control rat samples recorded consumption of about 5 g per day. A secondary poisoning assessment on barn owls in captivity fed with cholecalciferol-poisoned rats showed after 7 days of alternate feeding, the barn owls appeared to remain healthy. All the barn owls fed with cholecalciferol-poisoned rats survived the 7-day alternate feeding test and throughout the study, up to 6 months after exposure. All the barn owls did not show any abnormal behavior or physical change. The barn owls were observed to be as healthy as the barn owls from the control group throughout the study.
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Affiliation(s)
- Ariff Ateed Mohd Noh
- grid.11875.3a0000 0001 2294 3534Barn Owl and Rodent Research Group (BORG), School of Biological Sciences, Universiti Sains Malaysia, 11800 Minden, Penang Malaysia
| | - Abu Hassan Ahmad
- grid.11875.3a0000 0001 2294 3534Barn Owl and Rodent Research Group (BORG), School of Biological Sciences, Universiti Sains Malaysia, 11800 Minden, Penang Malaysia
| | - Hasber Salim
- Barn Owl and Rodent Research Group (BORG), School of Biological Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia. .,Vector Control Research Unit (VCRU), School of Biological Sciences, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia.
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