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Ruiz de Arcaute C, Soloneski S, Larramendy ML. Opposite effects of mixtures of commercial formulations of glyphosate with auxinic herbicides on the ten spotted live-bearer fish Cnesterodon decemmaculatus (Pisces, Poeciliidae). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 240:858-866. [PMID: 29787976 DOI: 10.1016/j.envpol.2018.05.036] [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: 02/15/2018] [Revised: 05/08/2018] [Accepted: 05/11/2018] [Indexed: 06/08/2023]
Abstract
We analyzed the acute toxicity of the 48% glyphosate (GLY)-based Credit®, the 57.71% dicamba (DIC)-based Kamba®, and the 83.5% 2,4-dichlorophenoxyacetic acid (2,4-D)-based Weedar® Full, alone and as mixtures on the fish Cnesterodon decemmaculatus. Mortality revealed the LC50 96h values of 91.73 mg L-1 (range: 86.80-98.00 mg L-1), 1401.57 mg L-1 (range: 1243.78-1527.35) and 678.04 mg L-1 (range: 639.35-718.04 mg L-1) for GLY, DIC and 2,4-D, respectively. Mean values for the toxic unit (TU) that induced 50% mortality (TU50 96h) of fish exposed to equitoxic mixtures were 1.67 (range: 1.65-1.69) for Credit® and Kamba® and 1.28 (range: 1.20-1.36) for Credit® and Weedar® Full suggesting that both mixtures are antagonic. Non-equitoxic combinations demonstrated an antagonistic interaction of herbicides Credit® and Kamba®, whereas a synergistic effect was observed for Credit® and Weedar® Full formulations. GLY and DIC as a mixture demonstrated lower toxicity on non-target species compared to GLY and 2,4-D in combination, at least for C. decemmaculatus, leading to the conclusion that the former combination could be strongly recommended in further agricultural practices.
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Affiliation(s)
- C Ruiz de Arcaute
- Cátedra de Citología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Calle 64 Nº 3, B1904AMA La Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - S Soloneski
- Cátedra de Citología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Calle 64 Nº 3, B1904AMA La Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - M L Larramendy
- Cátedra de Citología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, Calle 64 Nº 3, B1904AMA La Plata, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina.
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Smalling KL, Deshpande AD, Galbraith HS, Sharack BL, Timmons D, Baker RJ. Regional assessment of persistent organic pollutants in resident mussels from New Jersey and New York estuaries following Hurricane Sandy. MARINE POLLUTION BULLETIN 2016; 107:432-441. [PMID: 26965090 DOI: 10.1016/j.marpolbul.2016.02.077] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Revised: 01/15/2016] [Accepted: 02/26/2016] [Indexed: 06/05/2023]
Abstract
Resident mussels are effective indicators of ecosystem health and have been utilized in national assessment and monitoring studies for over two decades. Mussels were chosen because contaminant concentrations in their tissues respond to changes in ambient environmental levels, accumulation occurs with little metabolic transformation and a substantial amount of historic data were available. Mussels were collected from 10 previously studied locations approximately a year after Hurricane Sandy. Regionally, concentrations of polychlorinated biphenyls (PCBs) and polycyclic aromatic hydrocarbons (PAHs) decreased significantly, while concentrations of organochlorine pesticides (OCPs) remained unchanged, and polybrominated diphenyl ethers (PBDEs) increased compared to historic concentrations. Although concentrations of PCBs, OCPs and PAHs were at or near record low concentrations, long-term trends did not change after Hurricane Sandy. To effectively measure storm-induced impacts it is necessary to understand the factors influencing changes in mussel body burdens and have a long-term monitoring network and an ability to mobilize post event.
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Affiliation(s)
- Kelly L Smalling
- U.S. Geological Survey, New Jersey Water Science Center, Lawrenceville, NJ, United States.
| | - Ashok D Deshpande
- NOAA Fisheries, NEFSC, James J. Howard Marine Sciences Laboratory at Sandy Hook, NJ, United States
| | - Heather S Galbraith
- U.S. Geological Survey, Leetown Science Center, Northern Appalachian Research Laboratory, Wellsboro, PA, United States
| | - Beth L Sharack
- NOAA Fisheries, NEFSC, James J. Howard Marine Sciences Laboratory at Sandy Hook, NJ, United States
| | - DeMond Timmons
- NOAA Fisheries, NEFSC, James J. Howard Marine Sciences Laboratory at Sandy Hook, NJ, United States
| | - Ronald J Baker
- U.S. Geological Survey, New Jersey Water Science Center, Lawrenceville, NJ, United States
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Moreau P, Faury N, Burgeot T, Renault T. Pesticides and Ostreid Herpesvirus 1 Infection in the Pacific Oyster, Crassostrea gigas. PLoS One 2015; 10:e0130628. [PMID: 26107171 PMCID: PMC4479877 DOI: 10.1371/journal.pone.0130628] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 05/21/2015] [Indexed: 12/25/2022] Open
Abstract
Since 2008, mass mortality outbreaks have been reported in all French regions producing Pacific oysters, and in several Member States of the European Union. These mass mortality events of Pacific oysters are related to OsHV-1 infection. They occur during spring and summer periods leaving suspect the quality of the marine environment and the role of seasonal use of pesticides associated with the arrival of freshwater in oyster rearing areas. Pesticides have been also detected in French coastal waters, especially in areas of oyster production. Using PMA real-time PCR we showed that a mixture of 14 pesticides has no effect on the integrity of virus capsids from viral suspension in the conditions tested. A contact of oysters with this pesticide mixture was related to higher mortality rates among experimentally infected animals in comparison with control ones (no previous pesticide exposure before experimental infection). We therefore suggest that pesticides at realistic concentration can exert adverse effects on Pacific oysters and causes an increased susceptibility to the viral infection in experimental conditions.
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Affiliation(s)
- Pierrick Moreau
- Ifremer (Institut Français de Recherche pour l’Exploitation de la Mer), Unité Santé, Génétique et Microbiologie des Mollusques, Laboratoire de Génétique et Pathologie des Mollusques Marins, Ronce les Bains, 17390, La Tremblade, France
- Unité des Hépacivirus et Immunité Innée, Institut Pasteur, Paris, France
| | - Nicole Faury
- Ifremer (Institut Français de Recherche pour l’Exploitation de la Mer), Unité Santé, Génétique et Microbiologie des Mollusques, Laboratoire de Génétique et Pathologie des Mollusques Marins, Ronce les Bains, 17390, La Tremblade, France
| | - Thierry Burgeot
- Ifremer (Institut Français de Recherche pour l’Exploitation de la Mer), Ifremer Research Unit of Biogeochemistry and Ecotoxicology, rue de l’Ile d’Yeu, BP, 21105, 44311 Nantes, France
| | - Tristan Renault
- Ifremer (Institut Français de Recherche pour l’Exploitation de la Mer), Unité Santé, Génétique et Microbiologie des Mollusques, Laboratoire de Génétique et Pathologie des Mollusques Marins, Ronce les Bains, 17390, La Tremblade, France
- * E-mail:
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Ruiz de Arcaute C, Soloneski S, Larramendy M. Evaluation of the genotoxicity of a herbicide formulation containing 3,6-dichloro-2-metoxybenzoic acid (dicamba) in circulating blood cells of the tropical fish Cnesterodon decemmaculatus. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2014; 773:1-8. [DOI: 10.1016/j.mrgentox.2014.08.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 08/07/2014] [Accepted: 08/08/2014] [Indexed: 10/24/2022]
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Mottier A, Kientz-Bouchart V, Dubreule C, Serpentini A, Lebel JM, Costil K. Effects of acute exposures to mecoprop, mecoprop-p and their biodegradation product (2-MCP) on the larval stages of the Pacific oyster, Crassostrea gigas. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 146:165-175. [PMID: 24321574 DOI: 10.1016/j.aquatox.2013.11.008] [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: 08/05/2013] [Revised: 10/03/2013] [Accepted: 11/12/2013] [Indexed: 06/03/2023]
Abstract
Studies have shown that pesticides are sometimes detected at rather high levels in seawater and it has been suggested that these chemical compounds could act as additional stress factor for oysters cultured in coastal environments. The effects of pesticides on marine molluscs could be particularly harmful in the early stages which correspond to critical life stages. This study aimed to assess the effects of mecoprop, mecoprop-p and their degradation compound 2-methyl-4-chlorophenol on two larval stages of Crassostrea gigas. Embryotoxic effects were assessed on veliger larvae after 36 h exposures, and both percentages of normal larvae and types of abnormalities were taken into account. The effects of the three substances were evaluated on 21-day-old pediveliger larvae by calculating metamorphosis rates after 24h exposures. The results of the embryotoxicity assay indicated that 2-methyl-4-chlorophenol was more toxic (EC50: 10.81 mg L(-1)) than its parent compounds (EC50 mecoprop: 42.55 mg L(-1); EC50 mecoprop-p: 78.85 mg L(-1)). Mecoprop in particular injured shell formation with an increase of shell abnormalities following herbicide concentrations. The active substances were not toxic to metamorphosis processes, but 2-MCP was revealed to be more toxic to the success of metamorphosis (EC50: 7.20 mg L(-1)) than to embryo-larval development. However, the toxic concentrations were several orders of magnitude higher than environmental concentrations.
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Affiliation(s)
- Antoine Mottier
- Normandie Université, F-14032 Caen, France; CNRS INEE, FRE3484 BioMEA, SFR ICORE, IBFA Université de Caen Basse-Normandie, IBFA, Esplanade de la Paix, F-14032 Caen, France
| | | | - Christelle Dubreule
- Departmental Laboratory Franck Duncombe, LDFD, Saint-Contest, 14053 Caen Cedex, France
| | - Antoine Serpentini
- Normandie Université, F-14032 Caen, France; CNRS INEE, FRE3484 BioMEA, SFR ICORE, IBFA Université de Caen Basse-Normandie, IBFA, Esplanade de la Paix, F-14032 Caen, France
| | - Jean Marc Lebel
- Normandie Université, F-14032 Caen, France; CNRS INEE, FRE3484 BioMEA, SFR ICORE, IBFA Université de Caen Basse-Normandie, IBFA, Esplanade de la Paix, F-14032 Caen, France
| | - Katherine Costil
- Normandie Université, F-14032 Caen, France; CNRS INEE, FRE3484 BioMEA, SFR ICORE, IBFA Université de Caen Basse-Normandie, IBFA, Esplanade de la Paix, F-14032 Caen, France.
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Fay JP, Richards GP, Ozbay G. Water-quality parameters and total aerobic bacterial and Vibrionaceae loads in Eastern oysters (Crassostrea virginica) from oyster-gardening sites. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2012; 62:628-637. [PMID: 22183874 DOI: 10.1007/s00244-011-9736-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2011] [Accepted: 11/28/2011] [Indexed: 05/31/2023]
Abstract
Oyster gardening is a practice designed to restore habitat for marine life and to improve water quality. This study determined physical and chemical water-quality parameters at two oyster gardening sites in the Delaware Inland Bays and compared them with total aerobic bacteria and Vibrionaceae concentrations in Eastern oysters (Crassostrea virginica). One site was located at the end of a man-made canal, whereas the other was located in an open bay. Measured water parameters included temperature, dissolved oxygen (DO), salinity, pH, total nitrogen, nitrate, nitrite, total phosphorus, and total suspended solids. The highest Vibrionaceae levels, as determined by the colony overlay procedure for peptidases, were at the canal site in September (3.5 × 10(5) g(-1)) and at the bay site in August (1.9 × 10(5) g(-1)). Vibrionaceae levels were significantly greater during the duration of the study at the canal site (P = 0.01). This study provides the first baseline levels for total Vibrionaceae in the Delaware Inland Bays. Minimum DO readings at the bay and canal sites were 3.0 and 2.3 mg l(-1), respectively, far less than the state-targeted minimum threshold of 5.0 mg l(-1). Total phosphorus levels exceeded recommendations of ≤0.1 mg l(-1) at the bay and canal sites for all monthly samplings, with mean monthly highs at both sites ≥0.68 mg l(-1) in August. Nitrogen occasionally exceeded the recommended level of 1.0 mg l(-1) at both sites. Overall, waters were highly degraded from high phosphates, nitrogen, and total suspended solids as well as low DO.
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Affiliation(s)
- Johnna P Fay
- Department of Agriculture and Natural Resources, Delaware State University, Dover, DE 19901-2277, USA
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Apeti DA, Lauenstein GG, Christensen JD, Johnson EW, Mason A. Assessment of coastal storm impacts on contaminant body burdens of oysters collected from the Gulf of Mexico. ENVIRONMENTAL MONITORING AND ASSESSMENT 2011; 181:399-418. [PMID: 21193956 DOI: 10.1007/s10661-010-1837-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Accepted: 12/05/2010] [Indexed: 05/30/2023]
Abstract
This study evaluated changes in oyster tissue contaminant levels following North Atlantic tropical cyclones to determine if changes in contaminant concentrations were predictable. The basis for this study was analysis of coastal chemical contaminant data from the National Oceanic and Atmospheric Administration's (NOAA) National Status and Trends Mussel Watch Program and NOAA's National Weather Service storm track data. The tendency for contaminant (metals and organic compounds) body burdens to increase or decrease in oyster tissue after a storm was assessed using contingency and correspondence analyses. Post-storm contaminant levels in oysters revealed a consistent pattern of distribution, which could be described as follows: (1) most of the organic contaminants stay within their long-term concentration ranges, (2) very few organic contaminants decreased, and (3) metals overwhelmingly tend to increase.
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Affiliation(s)
- Dennis A Apeti
- National Oceanic and Atmospheric Administration, Silver Spring, MD, USA.
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Pan X, Liu J, Zhang D, Chen X, Song W, Wu F. Binding of dicamba to soluble and bound extracellular polymeric substances (EPS) from aerobic activated sludge: a fluorescence quenching study. J Colloid Interface Sci 2010; 345:442-7. [PMID: 20202647 DOI: 10.1016/j.jcis.2010.02.011] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2009] [Revised: 02/04/2010] [Accepted: 02/05/2010] [Indexed: 10/19/2022]
Abstract
Binding of dicamba to soluble EPS (SEPS) and bound EPS (BEPS) from aerobic activated sludge was investigated using fluorescence spectroscopy. Two protein-like fluorescence peaks (peak A with Ex/Em=225 nm/342-344 nm and peak B with Ex/Em=275/340-344 nm) were identified in SEPS and BEPS. Humic-like fluorescence peak C (Ex/Em=270-275 nm/450-460 nm) was only found in BEPS. Fluorescence of the peaks A and B for SEPS and peak A for BEPS were markedly quenched by dicamba at all temperatures whereas fluorescence of peaks B and C for BEPS was quenched only at 298 K. A dynamic process dominated the fluorescence quenching of peak A of both SEPS and BEPS. Fluorescence quenching of peak B and C was governed a static process. The effective quenching constants (logK(a)) were 4.725-5.293 for protein-like fluorophores of SEPS and 4.23-5.190 for protein-like fluorophores of BEPS, respectively. LogK(a) for humic-like substances was 3.85. Generally, SEPS had greater binding capacity for dicamba than BEPS, and protein-like substances bound dicamba more strongly than humic-like substances. Binding of dicamba to SEPS and BEPS was spontaneous and exothermic. Electrostatic force and hydrophobic interaction forces play a crucial role in binding of dicamba to EPS.
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Affiliation(s)
- Xiangliang Pan
- Key Laboratory of Biogeography and Bioresource in Arid Land, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, Xinjiang, 830011, China
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Vidal-Martínez VM, Pech D, Sures B, Purucker ST, Poulin R. Can parasites really reveal environmental impact? Trends Parasitol 2010; 26:44-51. [DOI: 10.1016/j.pt.2009.11.001] [Citation(s) in RCA: 151] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2008] [Revised: 02/17/2009] [Accepted: 11/03/2009] [Indexed: 11/30/2022]
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González NV, Soloneski S, Larramendy ML. Dicamba-induced genotoxicity in Chinese hamster ovary (CHO) cells is prevented by vitamin E. JOURNAL OF HAZARDOUS MATERIALS 2009; 163:337-343. [PMID: 18676083 DOI: 10.1016/j.jhazmat.2008.06.097] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2008] [Revised: 06/23/2008] [Accepted: 06/24/2008] [Indexed: 05/26/2023]
Abstract
In the present study the cytogenetic and genotoxic effect of benzoic herbicide dicamba and its Argentinean commercial formulation banvel (57.71% dicamba) was evaluated and whether this effect is mediated through oxidative damage or not. The protective role of vitamin E was also studied. Sister chromatid exchange (SCE) frequency, cell-cycle progression, and cell viability analyses in CHO cells were used as in vitro end-points. Treatments with the test compounds were performed either during 24h (Protocol A) or 12h (Protocol B) before harvesting. Protocol A showed that vitamin E decreased pesticide SCE induction, corrected the cell-cycle delay and partially protected cell-death only in 500 microg/ml dicamba-treated cultures. A similar trend was found in banvel-treated cultures. Protocol B revealed similar protective role of vitamin E only for dicamba-induced geno- and cytotoxicity. Based on these observations it could be suggested that dicamba injures DNA by delivering reactive oxygen species rather than by another type of mechanism/s. Although banvel mimics the effect observed by dicamba, its formulation contains other xenobiotic/s agents able to induce cellular and DNA damage by a different mechanism/s. Further investigations are needed to acquire a comprehensive knowledge of the possible mechanism/s through dicamba and banvel exert their toxic effects.
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Affiliation(s)
- N V González
- Cátedra de Citología, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata, La Plata, Argentina
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Gray BR, Bushek D, Wanzer Drane J, Porter D. Associations between land use and Perkinsus marinus infection of eastern oysters in a high salinity, partially urbanized estuary. ECOTOXICOLOGY (LONDON, ENGLAND) 2009; 18:259-269. [PMID: 19015979 DOI: 10.1007/s10646-008-0279-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/28/2008] [Indexed: 05/27/2023]
Abstract
Infection levels of eastern oysters by the unicellular pathogen Perkinsus marinus have been associated with anthropogenic influences in laboratory studies. However, these relationships have been difficult to investigate in the field because anthropogenic inputs are often associated with natural influences such as freshwater inflow, which can also affect infection levels. We addressed P. marinus-land use associations using field-collected data from Murrells Inlet, South Carolina, USA, a developed, coastal estuary with relatively minor freshwater inputs. Ten oysters from each of 30 reefs were sampled quarterly in each of 2 years. Distances to nearest urbanized land class and to nearest stormwater outfall were measured via both tidal creeks and an elaboration of Euclidean distance. As the forms of any associations between oyster infection and distance to urbanization were unknown a priori, we used data from the first and second years of the study as exploratory and confirmatory datasets, respectively. With one exception, quarterly land use associations identified using the exploratory dataset were not confirmed using the confirmatory dataset. The exception was an association between the prevalence of moderate to high infection levels in winter and decreasing distance to nearest urban land use. Given that the study design appeared adequate to detect effects inferred from the exploratory dataset, these results suggest that effects of land use gradients were largely insubstantial or were ephemeral with duration less than 3 months.
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Affiliation(s)
- Brian R Gray
- U.S. Geological Survey, Upper Midwest Environmental Sciences Center, La Crosse, WI, 54603, USA.
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