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Zhang Y, Cai X, Hou Y, Chen W, Zhang J. Triphenyltin Influenced Carotenoid-Based Coloration in Coral Reef Fish, Amphiprion ocellaris, by Disrupting Carotenoid Metabolism. TOXICS 2023; 12:13. [PMID: 38250969 PMCID: PMC10820653 DOI: 10.3390/toxics12010013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/07/2023] [Accepted: 12/13/2023] [Indexed: 01/23/2024]
Abstract
Triphenyltin (TPT), a kind of persistent pollutant, is prevalent in the aquatic environment and could pose a threat to coral reef fish. However, little is known about the toxicity of TPT on coral reef fish, especially regarding the representative characteristics of body coloration. Therefore, this study chose the clownfish (Amphiprion ocellaris) in order to investigate the effects of TPT exposure on its carotenoid-based body coloration under the environmentally relevant concentrations (0, 1, 10 and 100 ng/L). After TPT exposure for 60 d, the carotenoid contents were decreased and histological damage in the liver was found, shown as nuclear pyknosis and shift, lipid deposition and fibrotic tissue hyperplasia. Liver transcriptomic analysis showed that TPT exposure interfered with oxidative phosphorylation and fatty acid metabolism pathways, which related to carotenoids uptake and metabolism. Furthermore, TPT exposure led to oxidative damage in the liver, which is responsible for the changes in the antioxidant capacity of enzymes, including GSH, MDA, POD, CAT and T-SOD. TPT exposure also affected the genes (Scarb1, CD36, Stard3 and Stard5) related to carotenoid absorption and transport, as well as the genes (GstP1 and Bco2) related to carotenoid deposition and decomposition. Taken together, our results demonstrate that TPT influenced carotenoid-based coloration in coral reef fish by disrupting carotenoid metabolism, which complements the ecotoxicological effects and toxic mechanisms of TPT and provides data for the body color biology of coral reef fishes.
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Affiliation(s)
- Yan Zhang
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (Y.Z.); (Y.H.); (W.C.)
| | - Xingwei Cai
- Hainan Academy of Ocean and Fisheries Sciences, Haikou 570206, China;
| | - Yu Hou
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (Y.Z.); (Y.H.); (W.C.)
| | - Wenming Chen
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (Y.Z.); (Y.H.); (W.C.)
| | - Jiliang Zhang
- Ministry of Education Key Laboratory for Ecology of Tropical Islands, Key Laboratory of Tropical Animal and Plant Ecology of Hainan Province, College of Life Sciences, Hainan Normal University, Haikou 571158, China; (Y.Z.); (Y.H.); (W.C.)
- Hainan Provincial Key Laboratory of Ecological Civilization and Integrated Land-Sea Development, Haikou 571158, China
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2
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Xing S, Li P, He S, Cao Z, Wang X, Cao X, Liu B, Chen C, You H, Li ZH. Physiological responses in Nile tilapia (Oreochromis niloticus) induced by combined stress of environmental salinity and triphenyltin. MARINE ENVIRONMENTAL RESEARCH 2022; 180:105736. [PMID: 36049432 DOI: 10.1016/j.marenvres.2022.105736] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Triphenyltin (TPT) has attracted considerable attention owing to its vitality, bioaccumulation, and lurking damage. TPT widely exists in complex salinity areas such as estuaries and coastal regions. However, there are few studies on the toxicological behavior of TPT under different salinity. In the study, juvenile Nile tilapia (Oreochromis niloticus) were utilized as model animals to investigate the effects of environmental relevant TPT exposure on the osmoregulation and energy metabolism in gill under different salinity. The results showed that salinity and TPT single or combined exposure affected the morphology of the gill tissue. After TPT exposure, Na+-K+-ATPase (NKA) activity significantly decreased at 0 ppt, while NKA and Ca2+-Mg2+-ATPase (CMA) activities significantly increased at 15 ppt. In addition, significantly higher succinate dehydrogenase (SDH) and lactate dehydrogenase (LDH) activities were found in the control fish compared to the TPT-exposed ones at 15 ppt. Quantitative real-time PCR results showed that TPT exposure affected the expression of osmoregulation and energy metabolism-related genes under different salinity. Overall, TPT exposure interfered with osmoregulation and energy metabolism under different salinity. The study will provide reference data for assessing the toxicity of organotin compounds in complex-salinity areas.
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Affiliation(s)
- Shaoying Xing
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Ping Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Shuwen He
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Zhihan Cao
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Xu Wang
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Xuqian Cao
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Bin Liu
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Chengzhuang Chen
- Marine College, Shandong University, Weihai, Shandong, 264209, China
| | - Hong You
- State Key Laboratory of Urban Water Resources & Environment, Harbin Institute of Technology, Harbin, 150001, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, Shandong, 264209, China.
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3
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Retinal Toxicity Induced by Chemical Agents. Int J Mol Sci 2022; 23:ijms23158182. [PMID: 35897758 PMCID: PMC9331776 DOI: 10.3390/ijms23158182] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 11/16/2022] Open
Abstract
Vision is an important sense for humans, and visual impairment/blindness has a huge impact in daily life. The retina is a nervous tissue that is essential for visual processing since it possesses light sensors (photoreceptors) and performs a pre-processing of visual information. Thus, retinal cell dysfunction or degeneration affects visual ability and several general aspects of the day-to-day of a person's lives. The retina has a blood-retinal barrier, which protects the tissue from a wide range of molecules or microorganisms. However, several agents, coming from systemic pathways, reach the retina and influence its function and survival. Pesticides are still used worldwide for agriculture, contaminating food with substances that could reach the retina. Natural products have also been used for therapeutic purposes and are another group of substances that can get to the retina. Finally, a wide number of medicines administered for different diseases can also affect the retina. The present review aimed to gather recent information about the hazard of these products to the retina, which could be used to encourage the search for more healthy, suitable, or less risky agents.
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Ip JCH, Leung PTY, Qiu JW, Lam PKS, Wong CKC, Chan LL, Leung KMY. Transcriptomics reveal triphenyltin-induced molecular toxicity in the marine mussel Perna viridis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 790:148040. [PMID: 34091345 DOI: 10.1016/j.scitotenv.2021.148040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 06/12/2023]
Abstract
Triphenyltin (TPT) is widely used as an active ingredient in antifouling paints and fungicides, and continuous release of this highly toxic endocrine disruptor has caused serious pollution to coastal marine ecosystems and organisms worldwide. Using bioassays and transcriptome sequencing, this study comprehensively investigated the molecular toxicity of TPT chloride (TPTCl) to the marine mussel Perna viridis which is a commercially important species and a common biomonitor for marine pollution in Southeast Asia. Our results indicated that TPTCl was highly toxic to adult P. viridis, with a 96-h LC10 and a 96-h EC10 at 18.7 μg/L and 2.7 μg/L, respectively. A 21-day chronic exposure to 2.7 μg/L TPTCl revealed a strong bioaccumulation of TPT in gills (up to 36.48 μg/g dry weight) and hepatopancreas (71.19 μg/g dry weight) of P. viridis. Transcriptome analysis indicated a time course dependent gene expression pattern in both gills and hepatopancreas. Higher numbers of differentially expressed genes were detected at Day 21 (gills: 1686 genes; hepatopancreas: 1450 genes) and at Day 28 (gills: 628 genes; hepatopancreas: 238 genes) when compared with that at Day 7 (gills: 104 genes, hepatopancreas: 112 genes). Exposure to TPT strongly impaired the endocrine system through targeting on nuclear receptors and putative steroid metabolic genes. Moreover, TPT widely disrupted cellular functions, including lipid metabolism, xenobiotic detoxification, immune response and endoplasmic-reticulum-associated degradation expression, which might have caused the bioaccumulation of TPT in the tissues and aggregation of peptides and proteins in cells that further activated the apoptosis process in P. viridis. Overall, this study has advanced our understanding on both ecotoxicity and molecular toxic mechanisms of TPT to marine mussels, and contributed empirical toxicity data for risk assessment and management of TPT contamination.
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Affiliation(s)
- Jack Chi-Ho Ip
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China; The Swire Institute of Marine Science and School of Biological Sciences, The University of Hong Kong, Pokfulam, Hong Kong, China; Department of Biology and Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong Baptist University, Kowloon, Hong Kong, China
| | - Priscilla T Y Leung
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Jian-Wen Qiu
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China; Department of Biology and Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong Baptist University, Kowloon, Hong Kong, China
| | - Paul K S Lam
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China; Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, China
| | - Chris K C Wong
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China; Department of Biology and Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Hong Kong Baptist University, Kowloon, Hong Kong, China
| | - Leo L Chan
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Kenneth M Y Leung
- State Key Laboratory of Marine Pollution, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China; Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Hong Kong, China.
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5
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Li P, Li ZH. Toxicity evaluation of triphenyltin in zebrafish larvae by embryonic malformation, retinal development, and GH/IGF axis. FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:2101-2107. [PMID: 32821994 DOI: 10.1007/s10695-020-00861-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Accepted: 08/13/2020] [Indexed: 06/11/2023]
Abstract
The adverse influences of triphenyltin (TPT) on the aquatic system have been of great concern due to their widespread use and ubiquity in water environment, although it has been prohibited as antifouling coatings. In the present study, we investigated the developmental toxicity of TPT on zebrafish embryos by exposure to different concentrations (0, 1, 10, and 100 ng/l) from 2-h post-fertilization (hpf). Some parameters of developmental abnormalities (hatching, survival, body length, and malformation) were recorded, as well as the expression of several genes involved in the retinal development and growth hormone/insulin-like growth factor (GH/IGF) axis. Our results showed that TPT exposure induced developmental toxicity, including growth inhibition, malformation, and the dysregulation of gene expression levels related to the retinal development and GH/IGF axis. Thus, our data indicated that environmental exposure of TPT could induce developmental toxicity in zebrafish embryos, and those parameters could extend our understanding of the adverse effects of TPT on aquatic organisms.
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Affiliation(s)
- Ping Li
- Marine College, Shandong University, Weihai, 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, 264209, China.
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China.
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6
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Dorneles PR, Schilithz PF, Paiva TDC, Flach L, Barbosa LA, Domit C, Cremer MJ, Azevedo-Silva CE, Azevedo AF, Malm O, Lepoint G, Bisi TL, Das K, Lailson-Brito J. Total tin (TSn) biomagnification: Evaluating organotin trophic flow and dispersion using hepatic TSn concentrations and stable isotope (C, N) data of nektonic organisms from Brazil. MARINE ENVIRONMENTAL RESEARCH 2020; 161:105063. [PMID: 32738555 DOI: 10.1016/j.marenvres.2020.105063] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 06/23/2020] [Accepted: 07/02/2020] [Indexed: 06/11/2023]
Abstract
A previous investigation of our research team has demonstrated the suitability of using hepatic total tin (ΣSn) concentrations for evaluating dolphin exposure to organotins (OTs). The present study develops the previous technique into three different approaches that comprise data: (1) on hepatic ΣSn concentrations of 121 Guiana dolphins (Sotalia guianensis) from five different coastal areas (CAs): (2) on ΣSn, δ13C and δ15N for 40 dolphins from Rio de Janeiro state (RJ), including ten different delphinid species; as well as (3) on hepatic ΣSn concentrations and δ15N values on 31 individuals from five different fish species from Sepetiba Bay (SB, Rio de Janeiro-RJ, Brazil). Hepatic ΣSn concentrations of Guiana dolphins from Guanabara Bay (GB, RJ) were significantly higher than those found in other four CAs from S and SE Brazilian regions. Significant positive correlations were found between ΣSn concentrations and δ13C data in delphinid species, demonstrating a coast-ocean gradient in dolphin exposure to OTs in RJ state. Significant and positive correlations were observed between ΣSn concentrations and both δ15N and Trophic Position (TP) values of fish, as well as high values were found for Trophic Magnification Factor (TMF = 3.03) and Trophic Magnification Slope (TMS = 0.14), demonstrating OT biomagnification in SB ichthyofauna.
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Affiliation(s)
- Paulo R Dorneles
- Radioisotope Laboratory (LREPF), Biophysics Institute (IBCCF), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil.
| | - Priscila F Schilithz
- Aquatic Mammal and Bioindicator Laboratory (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rio de Janeiro (RJ), Brazil
| | - Thais de C Paiva
- Radioisotope Laboratory (LREPF), Biophysics Institute (IBCCF), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil
| | - Leonardo Flach
- Boto-cinza Institute, Mangaratiba, Rio de Janeiro (RJ), Brazil
| | | | - Camila Domit
- Laboratory of Ecology and Conservation, Centre of Marine Studies (CEM), Federal University of Parana (UFPR), Curitiba, Parana (PR), Brazil
| | - Marta J Cremer
- Laboratory of Ecology and Conservation of Coastal and Marine Tetrapods, University of Joinville Region (UNIVILLE), São Francisco do Sul, Santa Catarina (SC), Brazil
| | - Claudio E Azevedo-Silva
- Radioisotope Laboratory (LREPF), Biophysics Institute (IBCCF), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil
| | - Alexandre F Azevedo
- Aquatic Mammal and Bioindicator Laboratory (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rio de Janeiro (RJ), Brazil
| | - Olaf Malm
- Radioisotope Laboratory (LREPF), Biophysics Institute (IBCCF), Federal University of Rio de Janeiro (UFRJ), Rio de Janeiro (RJ), Brazil
| | - Gilles Lepoint
- Laboratory of Oceanology, FOCUS Research Unit, University of Liege, Liege, Belgium
| | - Tatiana L Bisi
- Aquatic Mammal and Bioindicator Laboratory (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rio de Janeiro (RJ), Brazil
| | - Krishna Das
- Laboratory of Oceanology, FOCUS Research Unit, University of Liege, Liege, Belgium
| | - José Lailson-Brito
- Aquatic Mammal and Bioindicator Laboratory (MAQUA), School of Oceanography, Rio de Janeiro State University (UERJ), Rio de Janeiro (RJ), Brazil
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7
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Xiao X, Zhu S, Zou X, Song Y, Jiang J, Sheng GD. Uptake and elimination of butyl- and phenyltins by Ceratophyllum demersum L. CHEMOSPHERE 2020; 249:126113. [PMID: 32062208 DOI: 10.1016/j.chemosphere.2020.126113] [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: 10/23/2019] [Revised: 01/30/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
The widespread occurrence and distribution of organotin compounds (OTCs) in both marine and freshwater ecosystems has aroused considerable concerns in most countries worldwide. In this work, individual kinetics of the elimination of three butyltins and three phenyltins from C. demersum L. were systematically studied for over 240 h in clean water after a 48h period of accumulation. All OTCs were rapidly metabolized to nontoxic inorganic tin by C. demersum L. through stepwise debutylation or dephenylation. In addition to inorganic tin, monobutyltin (MBT) and monophenyltin (MPT) were the primary degradation products of tributyltin (TBT) and triphenyltin (TPT), with small amounts of dibutyltin (DBT) and diphenyltin (DPT), respectively, also being present. The estimated half-life of TPT (240 h) in C. demersum L. was longer than that of TBT (100 h), although the TPT was less hydrophobic. The corresponding degradation mechanisms may be attributed to a cascade of enzymatic reactions of CYP450 enzymes in C. demersum L. The pH played an important role in both plant growth and TBT degradation. Although pH 8.9 was more suitable for C. demersum L. growth, it uptook and metabolized more TBT at pH 5.0, which may be because the cationic species TBT+ (at pH 5.0) was metabolized more easily than the neutral hydroxide species TBTOH (at pH 8.9). C. demersum L. may thus be the plant with the most potential for the remediation of OTC-contaminated freshwater environments.
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Affiliation(s)
- Xiaoyu Xiao
- Department of Environmental Science and Engineering, School of Life Science, Jinggangshan University, Ji'an, 343009, China
| | - Shuhui Zhu
- Department of Environmental Science and Engineering, School of Life Science, Jinggangshan University, Ji'an, 343009, China
| | - Xiaoming Zou
- Department of Environmental Science and Engineering, School of Life Science, Jinggangshan University, Ji'an, 343009, China.
| | - Yongsheng Song
- Department of Environmental Science and Engineering, School of Life Science, Jinggangshan University, Ji'an, 343009, China
| | - Jing Jiang
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - G Daniel Sheng
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China.
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8
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Thyroid disruption and developmental toxicity caused by triphenyltin (TPT) in zebrafish embryos/larvae. Toxicol Appl Pharmacol 2020; 394:114957. [DOI: 10.1016/j.taap.2020.114957] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 03/04/2020] [Accepted: 03/11/2020] [Indexed: 12/22/2022]
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9
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Tian Z, Xing L, Li D, Ma L, Wu R, Tian N, Zhang C. Speciation of Tin in Tobacco by High-Performance Liquid Chromatography – Inductively Coupled Plasma – Mass Spectrometry (HPLC-ICP-MS). ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1746325] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
- Zhizhang Tian
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd., Tianjin, China
| | - Lixia Xing
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd., Tianjin, China
| | - Dengke Li
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd., Tianjin, China
| | - Lichao Ma
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd., Tianjin, China
| | - Ruoxin Wu
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd., Tianjin, China
| | - Nan Tian
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd., Tianjin, China
| | - Chuntao Zhang
- Tianjin Workstation, Technical Center, Shanghai Tobacco Group Co., Ltd., Tianjin, China
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Li P, Li ZH, Zhong L. Parental exposure to triphenyltin inhibits growth and disrupts thyroid function in zebrafish larvae. CHEMOSPHERE 2020; 240:124936. [PMID: 31568941 DOI: 10.1016/j.chemosphere.2019.124936] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Revised: 09/19/2019] [Accepted: 09/21/2019] [Indexed: 06/10/2023]
Abstract
Triphenyltin (TPT) is widely used and commonly found in a water environment, so its effects on aquatic systems are of great concern. This study aimed to reveal the effects of chronic parental exposure of TPT on thyroid disruption and growth inhibition in zebrafish. Adult zebrafish (F0 generation) were exposed to environmentally relevant concentrations (1, 10, and 100 ng/L) of TPT for 60 days, and the larvae (F1 generation) were tested without TPT treatment. Results demonstrated that parental exposure to TPT disrupts thyroid function in zebrafish offspring: serum thyroxine (T4) significantly decreased, while serum 3,5,3'-triiodothyronine (T3) increased, and several genes involved in the hypothalamic-pituitary-thyroid (HPT) axis were down-regulated. In addition, we observed developmental abnormalities in the larvae, demonstrated by a significantly altered hatching rate, malformation rate, body length, heart rate, and survival rate, as well as down-regulation of genes involved in the growth hormone/insulin-like growth factor (GH/IGF) axis. Therefore, parental exposure to TPT induces toxicity in fish offspring through perturbation of the HPT and GH/IGF axes.
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Affiliation(s)
- Ping Li
- Marine College, Shandong University, Weihai, 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, 264209, China; Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China.
| | - Liqiao Zhong
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China
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11
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Li P, Li ZH, Zhong L. Effects of low concentrations of triphenyltin on neurobehavior and the thyroid endocrine system in zebrafish. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 186:109776. [PMID: 31606647 DOI: 10.1016/j.ecoenv.2019.109776] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/04/2019] [Accepted: 10/05/2019] [Indexed: 06/10/2023]
Abstract
In the present study, to evaluate neurobehavioral toxicity and the thyroid-disrupting effects of environmental levels of triphenyltin (TPT), the zebrafish larvae were exposed to 1, 10 and 100 ng/l TPT. In the neurobehavioral assay, increased levels of dopamine and serotonin, decreased content of nitric oxide, inhibited activities of acetylcholinesterase and monoamine oxidase were observed in the whole body of zebrafish larvae after TPT treatment, as well as the serious abnormal non-reproductive behavior. Moreover, the whole-body the T4 levels were markedly decreased significantly, whereas T3 levels were not significantly changed under TPT stress. In addition, TPT exposure significantly changed the expression levels of genes related to thyroid system, including corticotropin-releasing hormone gene crh, thyroid-stimulating hormone gene tshβ, thyroglobulin gene tg, sodium/iodide symporter gene nis, thyroid hormone nuclear receptor trα, isoform trβ, types I deiodinase gene dio1and types II deiodinase gene dio2. The regulated responsiveness of thyroid hormone and related genes expression levels suggested that TPT could induce the thyroid disrupting effects in zebrafish larvae. Therefore, our results provide new aspects of TPT as an endocrine disrupting chemical.
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Affiliation(s)
- Ping Li
- Marine College, Shandong University, Weihai, 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai, 264209, China; Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China.
| | - Liqiao Zhong
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan, 430223, China
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12
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Li P, Li ZH, Zhong L. Triphenyltin exposure alters the antioxidant system, energy metabolism and the expression of genes related to physiological stress in zebrafish (Danio rerio). Comp Biochem Physiol C Toxicol Pharmacol 2019; 225:108581. [PMID: 31374296 DOI: 10.1016/j.cbpc.2019.108581] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 07/12/2019] [Accepted: 07/28/2019] [Indexed: 12/11/2022]
Abstract
The adverse influences of triphenyltin (TPT) on aquatic system have been of great concern due to their widespread use and ubiquity in water environment. Here, zebrafish larvae (7 days after hatching) were exposed to TPT for 14 days to study its toxicity on the antioxidant system, energy metabolism and the expression of genes related to physiological stress. Results shows that the oxidative stress was generated in fish larvae exposed to TPT with higher concentrations (10 and/or 100 ng/l), and the energy metabolic parameters (RNA/DNA ratio, Na + -K + -ATPase) were significantly inhibited in fish exposed to 100 ng/l TPT. Additional, the expression levels of genes related to physiological stress were up-regulated in a dose-dependent manner, including heat shock protein70 (hsp70) and metallothionein (mt). Moreover, the PERK-eIF2α pathway was found as the main branch activated by TPT exposure in fish larvae. Thus, TPT-induced antioxidant responses, energy metabolism disorder and physiological stress in fish larvae were reflected by the parameters measured, which could provide some useful information for full understanding the exact mechanisms of TPT toxicity.
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Affiliation(s)
- Ping Li
- Marine College, Shandong University, Weihai 264209, China
| | - Zhi-Hua Li
- Marine College, Shandong University, Weihai 264209, China; Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China.
| | - Liqiao Zhong
- Yangtze River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Wuhan 430223, China
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de Castro TF, Varela Junior AS, Padilha FF, Droppa-Almeida D, Saalfeld GQ, Pires DM, Pereira JR, Corcini CD, Colares EP. Effects of exposure to triphenyltin (TPT) contaminant on sperm activity in adulthood of Calomys laucha exposed through breastfeeding. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:8280-8288. [PMID: 30706268 DOI: 10.1007/s11356-019-04365-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 01/24/2019] [Indexed: 06/09/2023]
Abstract
Triphenyltin (TPT) is an organotin compound (OT), primarily used in agriculture and in the composition of antifouling paints for ships worldwide. Studies have showed its effects as an endocrine disrupter in several organisms by preventing enzymatic expression and causing reproductive toxicity. This study aimed to evaluate the effects of exposure to TPT, via breastfeeding, on reproductive physiology in the Calomys laucha species. The experimental design was compound of five groups, two controls and three with different doses of TPT. Moreover, females were exposed by gavage to the TPT for 20 days, from the 1st day postpartum to the 21st postnatal day (PND). Then, the pups were euthanized and the kinetics, organelles, and biochemistry of the sperm were evaluated. The results presented a reduction in total motility in the groups exposed to TPT. Regarding cellular organelles analysis, a loss in membrane integrity was evidenced; the functionality of mitochondria showed diminution followed by increased acrosome reaction. In conclusion, the TPT causes alteration of the reproductive parameters, decreasing the activity and sperm quality in individuals exposed in the breastfeeding phase.
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Affiliation(s)
- Tiane Ferreira de Castro
- Programa de Pós-Graduação em Ciências Fisiológicas Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Antônio Sergio Varela Junior
- Reprodução Animal Comparada- RAC, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | | | - Daniela Droppa-Almeida
- Programa de Pós-Graduação em Biotecnologia Industrial, Universidade Tiradentes, Aracaju, SE, Brazil.
| | - Graciela Quintana Saalfeld
- Programa de Pós-Graduação em Ciências Fisiológicas Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Diego Martins Pires
- Reprodução Animal - Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Jessica Ribeiro Pereira
- Reprodução Animal Comparada- RAC, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Carine Dahl Corcini
- Reprodução Animal - Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Elton Pinto Colares
- Reprodução Animal Comparada- RAC, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
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Zhang JL, Zhang CN, Li EC, Jin MM, Huang MX, Cui W, Lin YY, Shi YJ. Triphenyltin exposure affects mating behaviors and attractiveness to females during mating in male guppies (Poecilia reticulata). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 169:76-84. [PMID: 30423510 DOI: 10.1016/j.ecoenv.2018.11.011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Revised: 11/01/2018] [Accepted: 11/03/2018] [Indexed: 06/09/2023]
Abstract
The impacts of triphenyltin (TPT) on ecological health have been of great concern due to their widespread use and ubiquity in aquatic ecosystems. However, little is known about the effects of TPT on the reproductive behaviors of fishes. Therefore, the present study was conducted to investigate the effects of TPT at environmentally relevant concentrations (0, 1 and 10 ng Sn/L) on the mating behaviors and the attractiveness to females during mating in male guppies (Poecilia reticulata). The results showed that TPT exposure disturbed the mating behaviors; the TPT-exposed male fish performed more sneaking attempts, but no changes in sigmoid courtship were displayed. The increases in sneaking attempts might be related to increases in testosterone levels induced by TPT exposure. In the context of a competing male, the TPT-exposed males were less attractive to females during mating. The decreases in attractiveness might be related to decreases in carotenoid-based coloration, shown as decreases in caudal fin redness values and skin carotenoid contents. In addition, TPT-induced total antioxidant capacities, the activities of superoxide dismutase and catalase, and the contents of malondialdehyde in liver and intestinal tissues indicated increases in oxidative stress. Both oxidative stress and coloration are linked to carotenoids. Thus, we speculated that the TPT-exposed males might use carotenoids to cope with increases in oxidative stress at the expense of carotenoid-based coloration. The disruption of mating behaviors and the decrease in attractiveness to females in male fish could result in reproductive failure. The present study underscores the importance of using behavioral tests as a sensitive tool in assessing the impact of pollutants present in aquatic environments.
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Affiliation(s)
- Ji-Liang Zhang
- Laboratory of Aquatic Environment and Animal Safety, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China.
| | - Chun-Nuan Zhang
- Laboratory of Aquatic Environment and Animal Safety, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
| | - Er-Chao Li
- College of Ocean Sciences, Hainan University, Haikou, Hainan, China
| | - Miao-Miao Jin
- Laboratory of Aquatic Environment and Animal Safety, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
| | - Mao-Xian Huang
- Laboratory of Aquatic Environment and Animal Safety, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China; College of Ocean Sciences, Hainan University, Haikou, Hainan, China
| | - Wei Cui
- Laboratory of Aquatic Environment and Animal Safety, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
| | - Yang-Yang Lin
- Laboratory of Aquatic Environment and Animal Safety, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
| | - Ya-Jun Shi
- Laboratory of Aquatic Environment and Animal Safety, College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan, China
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Chen C, Chen L, Huang Q, Chen Z, Zhang W. Organotin contamination in commercial and wild oysters from China: Increasing occurrence of triphenyltin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 650:2527-2534. [PMID: 30293005 DOI: 10.1016/j.scitotenv.2018.09.310] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 09/19/2018] [Accepted: 09/24/2018] [Indexed: 06/08/2023]
Abstract
Organotin contamination in marine environment has been a public concern for many years due to its adverse impacts on biota and human health. This study investigated levels, distribution and health risks of six organotin compounds: tributyltin (TBT), dibutyltin (DBT), monobutyltin (MBT), triphenyltin (TPhT), diphenyltin (DPhT) and monophenyltin (MPhT) in commercial and wild oysters in China. The total organotin in commercial oysters ranged from 251 to 1949 ng Sn g-1 dw (dry weight) >. Two endocrine disruptors TBT and TPhT were detected in these samples with the highest level of 68.1 ± 20.1 ng Sn g-1 dw and 747 ± 7.3 ng Sn g-1 dw, respectively. For wild oysters, the concentrations of total organotins varied from 33.3 to 2671 ng Sn g-1 dw. Butyltins were dominated by TBT with the mean level of 26.1 ± 30.0 ng Sn·g-1 dw and showed no significant spatial variation between the southern and northern coastal zones (p > 0.05). However, compared with the north, phenyltin levels especially TPhT were much higher in the south coastline (246-1484 ng Sn·g-1 dw) due to the wider use of TPhT-based biocides in local mariculture and agriculture. Health risk assessment indicated that a daily exposure of TPhT-contaminated oysters (including commercial and wild ones) may pose adverse threats to human particularly children as the risk quotients (RQ) were higher than 1. Organotin contamination (e.g., TPhT) still occurs in the South China's coastal zones after the TBT ban, which deserves future research and effective measures to protect the marine ecosystem and human health.
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Affiliation(s)
- Chunzhao Chen
- Key Laboratory of Yangtze River Water Environment of the Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Ling Chen
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China; State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Qinghui Huang
- Key Laboratory of Yangtze River Water Environment of the Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
| | - Zhaoying Chen
- State Key Laboratory of Marine Environmental Science, College of the Environment & Ecology, Xiamen University, Xiamen 361102, China
| | - Wen Zhang
- John A. Reif, Jr. Department of Civil and Environmental Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA.
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Wen GH, Zhang RF, Li QL, Zhang SL, Ru J, Du JY, Ma CL. Synthesis, structure and in vitro cytostatic activity study of the novel organotin(IV) derivatives of p -aminobenzenesulfonic acid. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.02.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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17
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Xiao Y, Jiang J, Hu W, Zhao Y, Hu J. Toxicity of triphenyltin on the development of retinal axons in zebrafish at low dose. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 189:9-15. [PMID: 28558289 DOI: 10.1016/j.aquatox.2017.05.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Revised: 05/15/2017] [Accepted: 05/18/2017] [Indexed: 06/07/2023]
Abstract
The impacts of triphenyltin (TPT) on ecological health are of particular concern due to the unexpectedly high levels found in wild fish around the world. Here, zebrafish embryos were exposed to TPT via in ovo nano-injection to study its toxicity on the development of retinal axons in fish. Lipophilic dye labeling revealed obvious defects in retinal axon development in larvae with normally shaped eyes, with incidences of 0, 1.08%, 2.66%, 4.26%, and 6.85% observed in the control, 0.8, 4.0, 20.0, and 100ng TPT-Cl/g wet weight (ww) exposure groups, respectively, showing a dose-dependent increase. Since the lowest observable effective concentration of TPT to induce retinal axon development defects was 0.8ng TPT-Cl/g ww, which is lower than the concentrations in wild fish eggs, this defect would occur in wild fish larvae. Alterations in the expressions of pax6 and ephrinBs, which regulate the establishment of retinal polarity, were correlated with defect incidence. Expression levels of the CYP26A1 gene and protein were significantly up-regulated in all exposure groups compared with the control, which may lead to significant decreases in concentrations of all-trans retinoic acid (atRA). Such a disruption of RA metabolism would, at least partly, contribute to the incidence of developmental defects in retinal axons. This study is the first to report that TPT can interfere with development of retinal axons in fish at low dose.
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Affiliation(s)
- Yue Xiao
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, People's Republic of China
| | - Jieqiong Jiang
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, People's Republic of China
| | - Wenxin Hu
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, People's Republic of China
| | - Yanbin Zhao
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, People's Republic of China
| | - Jianying Hu
- MOE Laboratory for Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, People's Republic of China.
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Yi W, Yang K, Ye J, Long Y, Ke J, Ou H. Triphenyltin degradation and proteomic response by an engineered Escherichia coli expressing cytochrome P450 enzyme. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 137:29-34. [PMID: 27907843 DOI: 10.1016/j.ecoenv.2016.11.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Revised: 11/15/2016] [Accepted: 11/18/2016] [Indexed: 06/06/2023]
Abstract
Although triphenyltin (TPT) degradation pathway has been determined, information about the enzyme and protein networks involved was severely limited. To this end, a cytochrome P450 hydroxylase (CYP450) gene from Bacillus thuringiensis was cloned and expressed in Escherichia coli BL21 (DE3), namely E. coli pET32a-CYP450, whose dosage at 1gL-1 could degrade 54.6% TPT at 1mgL-1 within 6 d through attacking the carbon-tin bonds of TPT by CYP450. Sequence analysis verified that the CYP450 gene had a 1214bp open reading frame, encoding a protein with 404 amino acids. Proteomic analysis determined that 60 proteins were significantly differentially regulated expression in E. coli pET32a-CYP450 after TPT degradation. The up-regulated proteins enriched in a network related to transport, cell division, biosynthesis of amino acids and secondary metabolites, and microbial metabolism in diverse environments. The current findings demonstrated for the first time that P450 received electrons transferring from NADH could effectively cleave carbon-metal bonds.
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Affiliation(s)
- Wenying Yi
- Key Laboratory of Environmental Exposure and Health of Guangzhou City, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China
| | - Kunliang Yang
- Key Laboratory of Environmental Exposure and Health of Guangzhou City, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China
| | - Jinshao Ye
- Key Laboratory of Environmental Exposure and Health of Guangzhou City, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China; Joint Genome Institute, Lawrence Berkeley National Laboratory, Walnut Creek 94598, CA, USA.
| | - Yan Long
- Key Laboratory of Environmental Exposure and Health of Guangzhou City, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China
| | - Jing Ke
- Joint Genome Institute, Lawrence Berkeley National Laboratory, Walnut Creek 94598, CA, USA
| | - Huase Ou
- Key Laboratory of Environmental Exposure and Health of Guangzhou City, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China
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19
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Qiu YR, Zhang RF, Zhang SL, Cheng S, Li QL, Ma CL. Novel organotin(iv) complexes derived from 4-fluorophenyl-selenoacetic acid: synthesis, characterization and in vitro cytostatic activity evaluation. NEW J CHEM 2017. [DOI: 10.1039/c7nj00500h] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A cluster of novel organotin(iv) complexes were designed, synthesized, and characterized by elemental analysis, FT-IR, and NMR (1H, 13C, and 119Sn) spectroscopy as well as single-crystal X-ray diffraction.
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Affiliation(s)
- Ya-Ru Qiu
- School of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Ru-Fen Zhang
- School of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Shao-Liang Zhang
- School of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Shuang Cheng
- School of Agriculture
- Liaocheng University
- Liaocheng
- China
| | - Qian-Li Li
- School of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
| | - Chun-Lin Ma
- School of Chemistry and Chemical Engineering
- Liaocheng University
- Liaocheng
- China
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20
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Cole RF, Mills GA, Bakir A, Townsend I, Gravell A, Fones GR. A simple, low cost GC/MS method for the sub-nanogram per litre measurement of organotins in coastal water. MethodsX 2016; 3:490-6. [PMID: 27504267 PMCID: PMC4969258 DOI: 10.1016/j.mex.2016.07.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 07/18/2016] [Indexed: 12/01/2022] Open
Abstract
Tributyltin (TBT) is a legacy pollutant in the aquatic environment, predominantly from its use in anti-foulant paints and is listed as a priority hazardous substance in the European Union’s Water Framework Directive (WFD). Measuring low concentrations of TBT and other organotins (e.g. monobutyltin (MBT), dibutyltin (DBT), diphenyltin (DPhT) and triphenyltin (TPhT)) at sub ng/L concentrations in coastal waters using standard laboratory instrumentation is very challenging. Conventional, low injection volume gas chromatography/mass spectrometry (GC/MS) combined with liquid-liquid extraction typically achieves limits of detection for TBT ∼10 ng L−1. We describe a simple, programmed temperature vaporisation-large injection volume (50 μL), GC/MS selected ion monitoring method for measuring DBT, TBT, DPhT and TPhT in coastal waters at lower concentrations. Quantification of MBT was not possible using these injection volumes but was achieved using a 10 μL injection volume together with a reduced injection speed. This new approach offers: When using a 50 μL injection, limits of detection = 0.70 ng L−1 and limits of quantification = 2.1 ng L−1 for TBT were achieved in derivatised standards. Recoveries of TBT and TPhT from coastal water >97%. Time consuming, off-line sample pre-concentration methods are unnecessary.
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Affiliation(s)
- Russell F Cole
- School of Earth and Environmental Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Portsmouth PO1 3QL, UK
| | - Graham A Mills
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, St. Michael's Building, White Swan Road, Portsmouth PO1 2DT, UK
| | - Adil Bakir
- School of Earth and Environmental Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Portsmouth PO1 3QL, UK
| | - Ian Townsend
- South West Water Ltd., Bridge Road, Countess Wear, Exeter EX2 7AA, UK
| | - Anthony Gravell
- Natural Resources Wales, Llanelli Laboratory, 19 Penyfai Lane, Furnace, Llanelli SA15 4EL, UK
| | - Gary R Fones
- School of Earth and Environmental Sciences, University of Portsmouth, Burnaby Building, Burnaby Road, Portsmouth PO1 3QL, UK
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Correlation among phenyltins molecular properties, degradation and cellular influences on Bacillus thuringiensis in the presence of biosurfactant. Biochem Eng J 2016. [DOI: 10.1016/j.bej.2015.09.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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22
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Gao J, Ye J, Ma J, Tang L, Huang J. Biosorption and biodegradation of triphenyltin by Stenotrophomonas maltophilia and their influence on cellular metabolism. JOURNAL OF HAZARDOUS MATERIALS 2014; 276:112-119. [PMID: 24866561 DOI: 10.1016/j.jhazmat.2014.05.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2014] [Revised: 04/27/2014] [Accepted: 05/11/2014] [Indexed: 06/03/2023]
Abstract
Triphenyltin (TPT), an endocrine disruptor, is polluting the global environment through its worldwide use. However, information concerning the mechanisms of TPT biodegradation and cellular metabolism is severely limited. Therefore, these processes were elucidated through experiments involving TPT biosorption and degradation, intracellular metabolite analysis, nutrient use, ion and monosaccharide release, cellular membrane permeability and protein concentration quantification. The results verified that TPT was initially adsorbed by the cell surface of Stenotrophomonas maltophilia and was subsequently transported and degraded intracellularly with diphenyltin and monophenyltin production. Cl(-), Na(+), arabinose and glucose release, membrane permeability and the extracellular protein concentration increased during TPT treatment, whereas K(+) and PO4(3-) utilization and intracellular protein concentration declined. The biosorption, degradation and removal efficiencies of TPT at 0.5mgL(-1) by 0.3gL(-1) viable cells at 10 d were 3.8, 77.8 and 86.2%, respectively, and the adsorption efficiency by inactivated cells was 72.6%.
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Affiliation(s)
- Jiong Gao
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China
| | - Jinshao Ye
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China.
| | - Jiawen Ma
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China
| | - Litao Tang
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China
| | - Jie Huang
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, School of Environment, Jinan University, Guangzhou 510632, Guangdong, China
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23
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Ye J, Zhao H, Yin H, Peng H, Tang L, Gao J, Ma Y. Triphenyltin biodegradation and intracellular material release by Brevibacillus brevis. CHEMOSPHERE 2014; 105:62-67. [PMID: 24388446 DOI: 10.1016/j.chemosphere.2013.12.039] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 12/10/2013] [Accepted: 12/11/2013] [Indexed: 06/03/2023]
Abstract
Triphenyltin (TPT) is an endocrine disruptor that has polluted the global environment, and thus far, information regarding the mechanisms of TPT biodegradation and intracellular material release is limited. Here, TPT biodegradation was conducted by using Brevibacillus brevis. Degradation affecting factors, metabolite formation, ion and protein release, membrane permeability, and cell viability after degradation were investigated to reveal the biodegradation mechanisms. The results showed that TPT could be degraded simultaneously to diphenyltin and monophenyltin, with diphenyltin further degraded to monophenyltin, and ultimately to inorganic tin. During degradation process, B. brevis metabolically released Cl(-) and Na(+), and passively diffused Ca(2+). Protein release and membrane permeability were also enhanced by TPT exposure. pH ranging from 6.0 to 7.5 and relatively high biomass dosage in mineral salt medium improved TPT degradation. Biodegradation efficiency of 0.5 mg L(-1) TPT by 0.3 g L(-1)B. brevis at 25 °C for 5d was up to 80%.
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Affiliation(s)
- Jinshao Ye
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, Department of Environmental Engineering, Jinan University, Guangzhou 510632, Guangdong, China
| | - Hangjian Zhao
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, Department of Environmental Engineering, Jinan University, Guangzhou 510632, Guangdong, China
| | - Hua Yin
- Key Laboratory of Ministry of Education on Pollution Control and Ecosystem Restoration in Industry Clusters, College of Environment and Energy, South China University of Technology, Guangzhou 510006, Guangdong, China.
| | - Hui Peng
- Department of Chemistry, Jinan University, Guangzhou 510632, Guangdong, China
| | - Litao Tang
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, Department of Environmental Engineering, Jinan University, Guangzhou 510632, Guangdong, China
| | - Jiong Gao
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, Department of Environmental Engineering, Jinan University, Guangzhou 510632, Guangdong, China
| | - Yujia Ma
- Key Laboratory of Water/Soil Toxic Pollutants Control and Bioremediation of Guangdong Higher Education Institutes, Department of Environmental Engineering, Jinan University, Guangzhou 510632, Guangdong, China
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Panda AK, Bisht SS, DeMondal S, Senthil Kumar N, Gurusubramanian G, Panigrahi AK. Brevibacillus as a biological tool: a short review. Antonie van Leeuwenhoek 2014; 105:623-39. [DOI: 10.1007/s10482-013-0099-7] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2013] [Accepted: 12/11/2013] [Indexed: 01/12/2023]
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25
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Antes FG, Becker AG, Parodi TV, Clasen B, Lópes T, Loro VL, Baldisserotto B, Flores EMM, Dressler VL. Toxicity of triphenyltin hydroxide to fish. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2013; 65:733-741. [PMID: 23929383 DOI: 10.1007/s00244-013-9944-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Accepted: 07/22/2013] [Indexed: 06/02/2023]
Abstract
Triphenyltin (TPhT) is used worldwide in pesticide formulas for agriculture. Toxic effects of this compound to aquatic life have been reported; however, the biochemical response of fish exposed to different concentrations of TPhT hydroxide (TPhTH) was investigated for the first time in this study. The lethal concentration (LC50) of TPhTH to silver catfish, Rhamdia quelen, was calculated from an acute-exposure experiment (96 h). In addition, acethylcholinesterase (AChE) activity in brain and muscle-as well as glucose, glycogen, lactate, total protein, ammonia, and free amino acids in liver and muscle-were evaluated in a chronic-exposure experiment (15-day exposure). Speciation analysis of tin (Sn) was performed in fish tissues at the end of both experiments using gas chromatography coupled to a pulsed-flame photometric detector (GC-PFPD). Concentrations of TPhT, diphenyltin, and monophenyltin (reported as Sn) were lower than limits of quantification (10σ criteria). Waterborne TPhTH concentration used through the experiment was also evaluated by GC-PFPD, and no degradation of this species was observed. The LC50 value for silver catfish juveniles was 9.73 μg L(-1) (as Sn). Decreased brain and muscle AChE activities were observed in fish exposed to TPhTH in relation to unexposed fish (control). Liver glycogen and lactate levels were significantly higher in fish kept at the highest waterborne TPhTH concentration compared with the control. Liver and muscle glucose levels of fish exposed to all TPhTH concentrations were significantly lower than those of control fish. Silver catfish exposed to all TPhTH concentrations showed lower total protein values and higher total free amino acids levels in liver and muscle compared with controls. Total ammonia levels in liver and muscle were significantly higher for the highest TPhTH concentration compared with controls. In conclusion, TPhTH caused metabolic alterations in silver catfish juveniles, and the analyzed parameters can also be used as bioindicators for TPhTH contamination.
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Affiliation(s)
- Fabiane G Antes
- Empresa Brasileira de Pesquisa Agropecuária Rondônia, Porto Velho, RO, 76.815-800, Brazil
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26
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Schmidt L, Bizzi CA, Duarte FA, Dressler VL, Flores EM. Evaluation of drying conditions of fish tissues for inorganic mercury and methylmercury speciation analysis. Microchem J 2013. [DOI: 10.1016/j.microc.2012.12.010] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Ye J, Yin H, Peng H, Bai J, Xie D, Wang L. Biosorption and biodegradation of triphenyltin by Brevibacillus brevis. BIORESOURCE TECHNOLOGY 2013; 129:236-241. [PMID: 23247152 DOI: 10.1016/j.biortech.2012.11.076] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2012] [Revised: 11/13/2012] [Accepted: 11/19/2012] [Indexed: 06/01/2023]
Abstract
Triphenyltin (TPT) is an endocrine disruptor highly toxic to non-target organisms, and has contaminated the environment worldwide. To accelerate TPT elimination, the study on the behavior and mechanism of TPT biosorption and biodegradation by Brevibacillus brevis was conducted. The results revealed that TPT and coexisted Cu2+, Cd2+, Pb2+ and Zn2+ in solution could be adsorbed effectively by B. brevis, and TPT was further transformed to diphenyltin, monophenyltin and tin intracellularly. The removal efficiency of 0.5 mg L(-1) TPT after degradation by 0.3 g L(-1) biomass for 5d was about 60%. Suitable kinds and levels of oxygen, nutrient, surfactant and metals obviously improved TPT biodegradation. When concentrations of H2O2, glucose, rhamnolipid, Cu2+ and Zn2+ varied from 1.5 to 6 mmol L(-1), 0.5 to 5 mg L(-1), 5 to 25 mg L(-1), 0.5 to 6 mg L(-1) and 0.5 to 1 mg L(-1), separately, TPT biodegradation efficiencies increased 15-25%.
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Affiliation(s)
- Jinshao Ye
- Department of Environmental Engineering, Jinan University, Guangzhou 510632, Guangdong, China
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