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Minaz M, Kurtoğlu İZ. Long-term exposure of endangered Danube sturgeon (Acipenser gueldenstaedtii) to bisphenol A (BPA): growth, behavioral, histological, genotoxic, and hematological evaluation. Environ Sci Pollut Res Int 2024:10.1007/s11356-024-33168-2. [PMID: 38622415 DOI: 10.1007/s11356-024-33168-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 03/27/2024] [Indexed: 04/17/2024]
Abstract
Danube sturgeon (Acipenser gueldenstaedtii) which is identified as endangered species can be exposed to pollutants such as bisphenol A (BPA) that have a disruptive effect on the endocrine system at any time. Starting from this motivation, the current study focused on BPA toxicity in A. gueldenstaedtii juvenile individuals and its adverse effects in sub-lethal concentration. The median lethal concentration (LC50) of BPA was 5.03 mg/L in 96th hour. In the chronic period, 0.625 mg/L and 1.25 mg/L BPA concentrations were evaluated based on the result of acute study. Accordingly, growth performance was significantly decreased in BPA groups (1.25 mg/L BPA group was significantly lowest) compared to control (p < 0.05). In the acute period, behavioral disorders were standing at the bottom/corner of tank, slowing and stopping of gill movement, decreased response to stimuli, and death, respectively. While vacuolization was severe in the liver tissue of the fish in the acute period, intense necrosis and melanomacrophage centers were observed in the chronic period. In terms of genotoxicity, longer DNA migration was observed in all groups exposed to BPA than in the control group. In addition, lower erythrocyte and hemoglobin were observed in the BPA groups compared to control. As a result, the current study revealed toxic effect of BPA on A. gueldenstaedtii juvenile individuals and its negative results on fish physiology.
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Affiliation(s)
- Mert Minaz
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey.
| | - İlker Zeki Kurtoğlu
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
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Mutlu T, Minaz M, Baytaşoğlu H, Gedik K. Monitoring of microplastic pollution in sediments along the Çoruh River Basin, NE Türkiye. J Contam Hydrol 2024; 263:104334. [PMID: 38493707 DOI: 10.1016/j.jconhyd.2024.104334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 02/21/2024] [Accepted: 03/12/2024] [Indexed: 03/19/2024]
Abstract
Microplastic (MP) pollution has become a research issue on the world agenda. Monitoring studies are essential for MP content in aquatic environments since it is the final accumulation point. The present study focused on MP characterizations in sediment samples taken from 20 different stations on the Çoruh River, the major river in the North East of Türkiye. Accordingly, the potential anthropogenic pollution from settlements near the four stations (2, 15, 18, and 20) exceeding 400 MP kg-1 was estimated. On the other hand, stations (1, 3, 9, 11, and 13) far from settlements with quite low MP abundance were also observed. The polymer structures of the detected MPs are generally PE and PET, and their shapes are mostly fiber. This situation raises suspicion that MPs originate from primary use waste such as water bottles and packaging materials. In general, the fiber MPs are smaller than the fragments because of the river's high water flow rate and the low strength of the fiber MPs. In light of these results, the current monitoring data in the region will create awareness and guidance regarding MP pollution in settlements.
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Affiliation(s)
- Tanju Mutlu
- Vocational School of Technical Sciences, Recep Tayyip Erdogan University, 53100 Rize, Türkiye
| | - Mert Minaz
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Türkiye.
| | - Hazel Baytaşoğlu
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Türkiye
| | - Kenan Gedik
- Vocational School of Technical Sciences, Recep Tayyip Erdogan University, 53100 Rize, Türkiye.
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Mutlu T, Minaz M, Baytaşoğlu H, Gedik K. Microplastic pollution in stream sediments discharging from Türkiye's eastern Black sea basin. Chemosphere 2024; 352:141496. [PMID: 38373447 DOI: 10.1016/j.chemosphere.2024.141496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 11/29/2023] [Accepted: 02/16/2024] [Indexed: 02/21/2024]
Abstract
Rivers are the principal route for terrestrial microplastics to reach the marine environment. The Black Sea exhibits a notable representation because it has a drainage zone almost six times the surface area and is semi-closed, meaning that microplastics tend to gather there. To mitigate MP pollution, it is necessary to identify the contamination sources and then raise public awareness. Thus, the current study focused on the MP presence in the sediment of streams running into the SE Black Sea. 594 MPs were observed in sediment samples from 16 stations along the 350 km coastline. The abundance of MP was higher, particularly in streams that pass through locations with high tourism and industrial activity levels. Detected MPs ranged between 0.1 and 5 mm, while the overall density was smaller than 1 mm. Fragments and fiber MPs were regularly detected, although the presence of films was rarely recorded. The polymer structures that were most commonly observed in the analyzed pollutants were PET and PE. The current study uncovered MP contamination in stream sediments originating from Türkiye's Eastern Black Sea basin and might be a baseline work for future inland water studies.
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Affiliation(s)
- Tanju Mutlu
- Vocational School of Technical Sciences, Recep Tayyip Erdogan University, 53100, Rize, Turkey
| | - Mert Minaz
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey.
| | - Hazel Baytaşoğlu
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Kenan Gedik
- Vocational School of Technical Sciences, Recep Tayyip Erdogan University, 53100, Rize, Turkey.
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Er A, Minaz M, İpek ZZ, Ak K, Kurtoğlu İZ, Kayış Ş. Assessment of hematological indicators, histological alterations, and DNA damage in Danube sturgeon (Acipenser gueldenstaedtii) exposed to the organophosphate malathion. Environ Toxicol Pharmacol 2023; 104:104304. [PMID: 37890807 DOI: 10.1016/j.etap.2023.104304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 10/25/2023] [Indexed: 10/29/2023]
Abstract
This study focused on organophosphate malathion toxicity in Danube sturgeon (Acipenser gueldenstaedtii) and its negative effects in sub-lethal concentration. In this context, the LC50 value of fish exposed to five different concentrations and two different sub-lethal concentrations depending on the LC50 value were considered. Accordingly, LC50 of malathion for 96 h was 3.24 mg L-1. In leukocyte (WBC) and hemoglobin (HGB) such as hematological indicators, significant differences were observed in sub-lethal concentration (One-eighth of the LC50 =0.4 mg L-1). In addition, serious histological alterations were observed in the gill and liver tissues after both acute (96 h) and chronic periods (28 days). While epithelial lifting and hyperplasia were the most prominent lesions in the gill, intense vacuolization were observed in the liver. In addition, circulatory disturbances, regressive changes, and progressive changes in the gill and circulatory disturbances and inflammation in the liver were significantly higher for the chronic period. Finally, significantly higher DNA damage was detected in fish exposed malathion in the chronic period compared to the control group. In conclusion, the present study has proven that malathion has a hematological, histological and genotoxic effect on the endangered species A. gueldenstaedtii. Thus, the current study will motivate for residue studies on A. gueldenstaedtii and trigger conservation strategies for local governments.
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Affiliation(s)
- Akif Er
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Mert Minaz
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey.
| | - Zeynep Zehra İpek
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Kübra Ak
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - İlker Zeki Kurtoğlu
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Şevki Kayış
- Department of Aquaculture, Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
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Ipek ZZ, Minaz M, Kayış Ş. Determination of the use of Ligula intestinalis as a bioindicator in malathion residues. Environ Sci Pollut Res Int 2023; 30:80732-80740. [PMID: 37303012 DOI: 10.1007/s11356-023-28129-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 06/01/2023] [Indexed: 06/13/2023]
Abstract
In this study, the usability of Ligula intestinalis as a bioindicator for pesticide accumulation was investigated. Two different experiments were designed for the detection of pesticide residues and its withdrawal period. In the first experiment, the accumulation of malathion for 10 days was measured in the hybrid fish, Squalius orientalisxAlburnus derjugini sampled from a dam lake. In the next experiment, withdrawal was measured for 15 days. The infected and healthy fish in groups exposed malathion and not exposed malathion were sampled at the end of the first experiment. No malathion residue was found in the control group that was not exposed with malathion. For the second experiment, infected and healthy fish from malathion and without malathion groups were sampled to measure the elimination of malathion on the 1st, 4th, 5th, 8th, 12th, and 15th days. At the end of the first experiment, the presence of malathion was not detected in the control group while accumulation was observed in both fish and L. intestinalis in the experimental group. At the end of the second experiment (15th day), the highest residual value was found in L. intestinalis (1.02 mg/kg) while it was determined as 0.009 mg/kg in infected fish and 0.006 mg/kg in uninfected fish. According to the correlation, malathion accumulation was linear between uninfected fish and infected fish. On the other hand, an inverse correlation was found between L. intestinalis and both malathion and control fish. As a result, it was determined that L. intestinalis can be used as a bioindicator in pesticide accumulation and the pesticide is still detectable in the parasite after withdrawal from fish.
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Affiliation(s)
- Zeynep Zehra Ipek
- Aquaculture and Fisheries Faculty, Recep Tayyip Erdoğan University, Rize, Türkiye.
| | - Mert Minaz
- Aquaculture and Fisheries Faculty, Recep Tayyip Erdoğan University, Rize, Türkiye
| | - Şevki Kayış
- Aquaculture and Fisheries Faculty, Recep Tayyip Erdoğan University, Rize, Türkiye
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Onay H, Karslı B, Minaz M, Dalgıç G. Seasonal monitoring of microplastic pollution in the Southeast Black Sea: An example of red mullet (Mullus barbatus) gastrointestinal tracts. Mar Pollut Bull 2023; 191:114886. [PMID: 37043931 DOI: 10.1016/j.marpolbul.2023.114886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 03/16/2023] [Accepted: 03/24/2023] [Indexed: 05/13/2023]
Abstract
This study investigated seasonal presence of microplastic (MP) in gastrointestinal tracts of red mullet (Mullus barbatus) sampled from the Southeast Black Sea Region. A total of 335 MPs were detected in 120 individuals. While the most MP was observed in the winter and autumn seasons, quite few MPs were found in the summer and spring seasons. MP size did not show significant difference among seasons. While all of the MPs in the autumn and spring and most of the MPs in the winter were fiber-shaped, most of the MPs in the summer were fragments. The most observed MP color for all seasons was white. While polymer structures did not show much variation in spring and summer, six different polymers were determined for both autumn and winter. In general, less MPs were detected during fishing ban period (summer) and the characteristic properties of the detected MPs suggest a MP pollution in the region due to intense fishing activities.
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Affiliation(s)
- Hatice Onay
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Barış Karslı
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Mert Minaz
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey.
| | - Göktuğ Dalgıç
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
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Genisoglu M, Minaz M, Tanacan E, Sofuoglu SC, Kaplan-Bekaroglu SS, Kanan A, Ates N, Sardohan-Koseoglu T, Yigit NÖ, Harman BI. Halogenated By-Products in Chlorinated Indoor Swimming Pools: A Long-Term Monitoring and Empirical Modeling Study. ACS Omega 2023; 8:11364-11372. [PMID: 37008144 PMCID: PMC10061505 DOI: 10.1021/acsomega.3c00091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 03/07/2023] [Indexed: 06/19/2023]
Abstract
Monitoring the disinfection process and swimming pool water quality is essential for the prevention of microbial infections and associated diseases. However, carcinogenic and chronic-toxic disinfection by-products (DBPs) are formed with reactions between disinfectants and organic/inorganic matters. DBP precursors in swimming pools originate from anthropogenic sources (body secretions, personal care products, pharmaceuticals, etc.) or chemicals used in pools. Temporal (48 weeks) water quality trends of trihalomethanes (THMs), haloacetic acids (HAAs), haloacetonitriles (HANs), and halonitromethanes (HNMs) in two swimming pools (SP-A and SP-B) and precursor-DBP relationships were investigated in this study. Weekly samples were taken from swimming pools, and several physical/chemical water quality parameters, absorbable organic halides (AOX), and DBPs were determined. THMs and HAAs were the most detected DBP groups in pool water. While chloroform was determined to be the dominant THM compound, dichloroacetic acid and trichloroacetic acid were the dominant HAA compounds. The average AOX concentrations were measured to be 304 and 746 μg/L as Cl- in SP-A and SP-B, respectively. Although the amount of AOX from unknown chlorinated by-products in SP-A did not vary temporally, a significant increase in unknown DBP concentrations in SP-B was observed over time. AOX concentrations of chlorinated pool waters were determined to be an important parameter that can be used to estimate DBP concentrations.
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Affiliation(s)
- Mesut Genisoglu
- Department
of Environmental Engineering, Izmir Institute
of Technology, Izmir 35430, Turkey
| | - Mert Minaz
- Department
of Environmental Engineering, Suleyman Demirel
University, Isparta 32260, Turkey
- Department
of Aquaculture, Recep Tayyip Erdoǧan
University, Rize 53100, Turkey
| | - Ertac Tanacan
- Department
of Environmental Engineering, Suleyman Demirel
University, Isparta 32260, Turkey
| | - Sait Cemil Sofuoglu
- Department
of Environmental Engineering, Izmir Institute
of Technology, Izmir 35430, Turkey
| | | | - Amer Kanan
- Department
of Environment and Earth Sciences, Al-Quds
University, Jerusalem 51000, Palestine
| | - Nuray Ates
- Department
of Environmental Engineering, Erciyes University, Kayseri 38280, Turkey
| | - Tugba Sardohan-Koseoglu
- Department
of Biomedical Engineering, Applied Sciences
University of Isparta, Isparta 32200, Turkey
| | - Nevzat Özgü Yigit
- Department
of Environmental Engineering, Suleyman Demirel
University, Isparta 32260, Turkey
| | - Bilgehan Ilker Harman
- Department
of Environmental Engineering, Suleyman Demirel
University, Isparta 32260, Turkey
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Onay H, Minaz M, Ak K, Er A, Emanet M, Karslı B, Bilgin S. Decade of microplastic alteration in the southeastern black sea: An example of seahorse gastrointestinal tracts. Environ Res 2023; 218:115001. [PMID: 36481368 DOI: 10.1016/j.envres.2022.115001] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
Unconscious and excessive use of plastic supports the diversity and abundance of microplastics (MPs) in marine environments. As a result of MP exposure, organisms in the marine environment are faced with adverse scenarios up to death. In this study, ten-year MP composition was investigated in gastrointestinal tracts (GITs) of low-mobility seahorses (90 individuals per period) from the Southeastern Black Sea. Seahorse GITs sampled during both 2012 and 2022 contain 102 and 135 MP items, respectively. The number of MPs per unit individual seahorse and unit seahorse weight was higher in the 2022 period. On the other hands, no significant differences were observed between the MP lengths of both periods. The majority of MPs in both sample periods were materials shorter than 1000 μm. Of the eight found synthetic polymers, five belonged to the 2012 period, while seven were observed during the 2022 period. Additionally, the most abundant synthetic polymer for both periods is polyvinyl stearate (PVS). As a result, 43% of the total plastic material belonged to the 2012 period, while 57% was observed in the 2022 period. Considering both the diversity of polymers and the abundance of plastics, the region was adversely affected by plastic materials in the 2022 period.
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Affiliation(s)
- Hatice Onay
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Mert Minaz
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey.
| | - Kübra Ak
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Akif Er
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Muhammet Emanet
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Barış Karslı
- Faculty of Fisheries, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Sabri Bilgin
- Faculty of Fisheries, Sinop University, Sinop, Turkey
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Minaz M, Er A, Ak K, Nane ID, Ipek ZZ, Yalcın A, Kurtoglu IZ, Kayis S. Investigation of long-term bisphenol A exposure on rainbow trout (Oncorhynchus mykiss): Hematological parameters, biochemical indicator, antioxidant activity, and histopathological examination. Chemosphere 2022; 303:135136. [PMID: 35636605 DOI: 10.1016/j.chemosphere.2022.135136] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/21/2022] [Accepted: 05/24/2022] [Indexed: 06/15/2023]
Abstract
As an industrial synthetic chemical, bisphenol A (BPA) has the potential to have physiologically and histologically adverse effects on aquatic organisms. BPA causes the reproductive disrupting of all vertebrates due to its degradation on endocrine system. Therefore, the effect of BPA on fish with high economic value is an important issue. This study focused weekly on long-term BPA exposure on rainbow trout (Oncorhynchus mykiss). Hematological, biochemical, antioxidant activity and histopathological examinations were performed on O. mykiss exposed to 1000 μg/L BPA concentration. Mortality was observed in the BPA group during the first three weeks. As a result of hematological studies, leukocyte count and hemoglobin in the BPA group were significantly higher in the first three weeks compared to the control group. Plasma cortisol level as a biochemical indicator showed a similar trend to leukocyte and hemoglobin. There was no significant difference between BPA and control groups in terms of superoxide dismutase and catalase. However, glutathione peroxidase activity in the BPA group was significantly lower than in the control group for four weeks. At the end of the study, many alterations were observed histologically in the gill tissues. While more intense hyperplasia and epithelial lifting were observed in the tissues in the BPA group compared to the control group, vacuolization, necrosis and hypertrophy were observed infrequently. In conclusion, this study argues that BPA causes negative effects on O. mykiss in terms of fish welfare and future study should be focused on its environmental adaptation with color preference patterns.
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Affiliation(s)
- Mert Minaz
- Department of Aquaculture, Recep Tayyip Erdoğan University, Rize, Turkey.
| | - Akif Er
- Department of Aquaculture, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Kubra Ak
- Department of Aquaculture, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Ikbal Demet Nane
- Technical Sciences Vocational School, Isparta University of Applied Sciences, Isparta, Turkey
| | - Zeynep Zehra Ipek
- Department of Aquaculture, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Arzu Yalcın
- Department of Physiology, Suleyman Demirel University, Isparta, Turkey
| | | | - Sevki Kayis
- Department of Aquaculture, Recep Tayyip Erdoğan University, Rize, Turkey
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