镉对淡水热带少毛藻的急性和亚急性毒性作用,特别涉及氧化应激和行为生物标志物

IF 1.3 4区 环境科学与生态学 Q3 ECOLOGY
Neha Majumdar, Nimai Chandra Saha, Priyajit Banerjee, Tapajit Bhattacharya, Shubhajit Saha
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Physical observations revealed that cadmium induced autotomy of the caudal region of the worm and induced more mucus secretion. Behavioural alterations like changes in mucous secretion, clumping tendency and wrinkling effect were observed in cadmium-treated worms. Antioxidant enzymes level (MDA, CAT and SOD) increased significantly on cadmium nitrate exposure. 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引用次数: 0

摘要

摘要当前的环境问题包括重金属污染。水生环境中的镉污染危害水生生物,并可通过食物链传给人类。镉中毒会损害骨骼、肾脏并导致癌症。Tubifex对环境污染具有良好的适应能力,是一种众所周知的水污染指标。本研究选择Tubifex sp.作为实验动物,因为它是生态毒理学的指示物种,也是模型非靶生物。本研究的目的是评估硝酸镉作为生物标志物对管翅虫的毒性。通过测定96 h LC50值,分析硝酸镉的急性毒性。物理观察表明,镉诱导了线虫尾端的自切,并诱导了更多的粘液分泌。在镉处理的蠕虫中,观察到粘膜分泌变化、结块倾向和起皱效应等行为改变。抗氧化酶(MDA、CAT和SOD)水平显著升高。总体而言,生物标志物数据表明,镉暴露在生化和生理水平上具有与应激相关的后果,降低了这些动物的整体健康和生存。重点研究了重金属镉在急性和亚急性水平下的毒性。本研究的目的是观察镉对管状链虫氧化应激和行为生物标志物的影响。亚致死镉暴露会影响野生环节动物的生理功能。关键词:镉;急性毒性;感谢布尔德万大学动物学系提供的实验室设施。披露声明作者未报告潜在的利益冲突。数据可用性在当前研究期间生成和/或分析的数据集可根据通讯作者的合理要求提供。neha Majumdar目前是印度西孟加拉邦帕西姆巴达曼杜尔加普尔政府学院保护生物学研究生部的研究学者。她在生态毒理学和渔业科学领域工作。她的研究领域包括评估重金属的作用及其对水生生物的影响,测量应激酶。Nimai Chandra sahai教授Nimai Chandra Saha目前是西孟加拉邦加尔各答Bidhannagar学院的动物学教授。萨哈教授是印度布尔德万大学前副校长(2016-2023)。他在学术界和行政管理方面有着长期而丰富的经验。目前在国内外知名期刊发表论文、评论文章200余篇。在他的指导下,已有12位学者获得博士学位,目前有6位博士在他的指导下工作。已有8位学者从他那里获得博士后学位。萨哈教授在生态与环境科学、水生毒理学、渔业科学等领域有38年的研究经验,并有33年的教学经验。他曾在西孟加拉邦高级教育服务下的几所政府和政府资助学院担任校长。Priyajit Banerjee是布尔德万大学动物学系生态毒理学研究实验室的dst -塞族国家博士后。他的科学重点在于阐明与生态毒物毒性有关的分子机制。他还致力于揭示感染鱼类病原真菌的机制。塔帕吉特·巴塔查里亚是一位保护生物学家和野生动物爱好者,对陆地和水生生态非常感兴趣,尤其是喜马拉雅和其他山地生态系统。他还对景观生态学、遥感和分析框架感兴趣。作为喜马拉雅哺乳动物和鸟类的专家,他目前在杜尔加普尔政府学院保护生物学研究生部担任西孟加拉邦教育服务部门的助理教授,并参与了西孟加拉邦水生和陆生动物的研究活动。Shubhajit SahaDr。Shubhajit Saha目前担任印度布尔德万大学动物学系助理教授。萨哈博士有11年的研究和5年的教学经验。他在知名期刊上发表了58篇研究和评论文章。萨哈博士已经参加了各种国家和国际会议并发表了论文。他的研究方向包括渔业科学、水生毒理学、湿地水生生物学、浮游生物和鱼类多样性、组织病理学改变和微塑料污染。他是印度电子显微学会,印度科学大会协会和印度生态学会的终身会员,印度旁遮普省卢迪亚纳。博士。 Saha是SERB-SRG项目的首席研究员(PI)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Acute and sub-acute toxic effects of cadmium to freshwater tropical oligochaete Tubifex tubifex with special reference to oxidative stress and behavioural biomarkers
ABSTRACTCurrent environmental issues include heavy metal contamination. Cadmium pollution in aquatic environments harms aquatic creatures and can pass to people through food chains. Cadmium poisoning damages bones, kidneys and causes cancer. Tubifex tubifex is a well-known water pollution indicator because of its good adaptation power in environmental pollution. Tubifex sp. is chosen as the test animal in this study since it is an indicator species and also a model non-target organism in ecotoxicology. The aim of this present work is to assess the toxicity of cadmium nitrate on Tubifex tubifex as a biomarker. Acute toxicity of cadmium nitrate was analysed by measuring the 96 h LC50 value. Physical observations revealed that cadmium induced autotomy of the caudal region of the worm and induced more mucus secretion. Behavioural alterations like changes in mucous secretion, clumping tendency and wrinkling effect were observed in cadmium-treated worms. Antioxidant enzymes level (MDA, CAT and SOD) increased significantly on cadmium nitrate exposure. In general, biomarker data show that cadmium exposure has stress-related consequences at the biochemical and physiological levels, reducing the overall health and survival of such animals.Highlights The toxicity of the heavy metal cadmium in acute and sub-acute levels was investigated in Tubifex tubifex.The goal of this study was to look at the effects of cadmium on oxidative stress and behavioural biomarkers in T. tubifexSublethal cadmium exposure can impact the physiological functioning of annelids in the wild.KEYWORDS: Cadmiumacute toxicityTubifex tubifex; heavy metaloxidative stress AcknowledgmentsWe are thankful to the Department of Zoology, The University of Burdwan for providing the laboratory facilities.Disclosure statementNo potential conflict of interest was reported by the author(s).Data availabilityThe datasets generated during and/or analysed during the current study are available from the corresponding author upon reasonable request.Additional informationNotes on contributorsNeha MajumdarNeha Majumdar is currently working as a Research Scholar in the Post Graduate Department of Conservation Biology, Durgapur Government College, Paschim Bardhaman, West Bengal, India. She is working in the field of ecotoxicology and fishery sciences. Her area includes assessing the role of heavy metals and their effects on aquatic organisms, measuring the stress enzymes.Nimai Chandra SahaProf. Nimai Chandra Saha is currently working as Professor in Zoology, Bidhannagar College, Kolkata, West Bengal. Prof. Saha is the former Vice Chancellor, The University of Burdwan (2016-2023). He has a long and vast experience in academia and administration. At present he has published 200 papers, review articles in various national and international repute journals. 12 scholars were already awarded Ph.D. under his supervision while 6 Ph.D. scholars are currently working under his guidance. Already 8 scholars were received Post Docs from him. Prof. Saha has spent 38 years in research on Ecology and Environmental Sciences, Aquatic Toxicology, Fisheries Sciences and 33 years in teaching. He has chaired as principal in several Government and Government Aided Colleges across the West Bengal under West Bengal Senior Education Service.Priyajit BanerjeePriyajit Banerjee is a DST-SERB National Postdoctoral Fellow (NPDF) at the Ecotoxicology Research Laboratory, Department of Zoology at the University of Burdwan. His scientific focus rests on elucidating the molecular mechanisms involved in the toxicity of eco-toxicants. He is also working to reveal the mechanism of infection to fish pathogenic fungus.Tapajit BhattacharyaTapajit Bhattacharya is a conservation biologist and wildlife enthusiast deeply interested in terrestrial and aquatic ecology, especially in the Himalaya and other mountain ecosystems. He is also interested in landscape ecology, remote sensing, and analytical frameworks. An expert on Himalayan mammals and birds, he is currently posted in the Postgraduate Department of Conservation Biology at Durgapur Government College as an assistant professor under the West Bengal Education Service and involved in research activities on aquatic and terrestrial fauna of West Bengal.Shubhajit SahaDr. Shubhajit Saha is currently working as Assistant Professor, Department of Zoology, The University of Burdwan, India. Dr Saha has eleven years of research and five years of teaching experience. He has published 58 research and review articles in reputed journals. Dr Saha has already attended and presented papers in various national and international conferences. He is working in fishery science, aquatic toxicology, wetland hydrobiology, plankton and ichthyofaunal diversity, histopathological alterations and microplastics pollution. He is a life member of the Electron Microscopic Society of India, Indian Science Congress Association and Indian Ecological Society, Ludhiana, Punjab, India. Dr. Saha is the Principal Investigator (PI) of a SERB-SRG project.
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来源期刊
Chemistry and Ecology
Chemistry and Ecology 环境科学-环境科学
CiteScore
4.20
自引率
16.00%
发文量
58
审稿时长
3.7 months
期刊介绍: Chemistry and Ecology publishes original articles, short notes and occasional reviews on the relationship between chemistry and ecological processes. This journal reflects how chemical form and state, as well as other basic properties, are critical in their influence on biological systems and that understanding of the routes and dynamics of the transfer of materials through atmospheric, terrestrial and aquatic systems, and the associated effects, calls for an integrated treatment. Chemistry and Ecology will help promote the ecological assessment of a changing chemical environment and in the development of a better understanding of ecological functions.
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