2种抗生素联合暴露对食蚊鱼抗氧化酶活力及相关基因表达的影响

黎昕, 宋晓红, 李钰静, 杨涛, 闫小雨, 黄思齐, 王颖琪, 曾鸿鹄. 2种抗生素联合暴露对食蚊鱼抗氧化酶活力及相关基因表达的影响[J]. 生态毒理学报, 2022, 17(5): 484-496. doi: 10.7524/AJE.1673-5897.20210914001
引用本文: 黎昕, 宋晓红, 李钰静, 杨涛, 闫小雨, 黄思齐, 王颖琪, 曾鸿鹄. 2种抗生素联合暴露对食蚊鱼抗氧化酶活力及相关基因表达的影响[J]. 生态毒理学报, 2022, 17(5): 484-496. doi: 10.7524/AJE.1673-5897.20210914001
Li Xin, Song Xiaohong, Li Yujing, Yang Tao, Yan Xiaoyu, Huang Siqi, Wang Yingqi, Zeng Honghu. Effects of Co-exposure of Two Antibiotics on the Antioxidant Enzyme Activities and Related Genes Expression in Mosquitofish (Gambusia affinis)[J]. Asian journal of ecotoxicology, 2022, 17(5): 484-496. doi: 10.7524/AJE.1673-5897.20210914001
Citation: Li Xin, Song Xiaohong, Li Yujing, Yang Tao, Yan Xiaoyu, Huang Siqi, Wang Yingqi, Zeng Honghu. Effects of Co-exposure of Two Antibiotics on the Antioxidant Enzyme Activities and Related Genes Expression in Mosquitofish (Gambusia affinis)[J]. Asian journal of ecotoxicology, 2022, 17(5): 484-496. doi: 10.7524/AJE.1673-5897.20210914001

2种抗生素联合暴露对食蚊鱼抗氧化酶活力及相关基因表达的影响

    作者简介: 黎昕(1997-),女,硕士研究生,研究方向为环境生态学,E-mail:lixinleox@163.com
    通讯作者: 曾鸿鹄, E-mail: zenghonghu@glut.edu.cn
  • 基金项目:

    国家自然科学基金资助项目(51868012);广西科技计划项目(2018GXNSFAA281022,2019GXNSFAA245058)

  • 中图分类号: X171.5

Effects of Co-exposure of Two Antibiotics on the Antioxidant Enzyme Activities and Related Genes Expression in Mosquitofish (Gambusia affinis)

    Corresponding author: Zeng Honghu, zenghonghu@glut.edu.cn
  • Fund Project:
  • 摘要: 水环境中存在多种抗生素残留,其造成的联合毒性对生物链产生不可忽视的影响。本研究采用氧氟沙星(ofloxacin,OFL)和磺胺甲恶唑(sulfamethoxazole,SMX)对食蚊鱼进行联合暴露10 d,检测其肝脏、肠道和肌肉组织的抗氧化酶活力和相关基因mRNA表达量变化,探究典型抗生素OFL和SMX联合暴露对食蚊鱼的毒性效应。结果表明,不同浓度OFL和SMX联合暴露10 d,对食蚊鱼机体造成了不同程度的氧化损伤,呈典型的剂量-效应关系,并具有组织特异性,这可能与Nrf2通路激活有关。主成分分析和Spearman相关性分析显示,谷胱甘肽S-转移酶(GST)、超氧化物歧化酶(SOD)、热激蛋白基因(HSP70HSP90)对OFL和SMX联合暴露的响应较为灵敏,可作为良好的生态毒理指标。OFL和SMX联合暴露10 d后,相关基因mRNA的表达变化可更灵敏地指示食蚊鱼抗氧化系统的损伤。本研究从蛋白和mRNA表达水平揭示了OFL和SMX对食蚊鱼的联合毒性,并结合主成分分析和相关性分析,识别反应灵敏指标,为复合抗生素的生态风险评估和安全应用提供科学依据。
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  • 收稿日期:  2021-09-14
黎昕, 宋晓红, 李钰静, 杨涛, 闫小雨, 黄思齐, 王颖琪, 曾鸿鹄. 2种抗生素联合暴露对食蚊鱼抗氧化酶活力及相关基因表达的影响[J]. 生态毒理学报, 2022, 17(5): 484-496. doi: 10.7524/AJE.1673-5897.20210914001
引用本文: 黎昕, 宋晓红, 李钰静, 杨涛, 闫小雨, 黄思齐, 王颖琪, 曾鸿鹄. 2种抗生素联合暴露对食蚊鱼抗氧化酶活力及相关基因表达的影响[J]. 生态毒理学报, 2022, 17(5): 484-496. doi: 10.7524/AJE.1673-5897.20210914001
Li Xin, Song Xiaohong, Li Yujing, Yang Tao, Yan Xiaoyu, Huang Siqi, Wang Yingqi, Zeng Honghu. Effects of Co-exposure of Two Antibiotics on the Antioxidant Enzyme Activities and Related Genes Expression in Mosquitofish (Gambusia affinis)[J]. Asian journal of ecotoxicology, 2022, 17(5): 484-496. doi: 10.7524/AJE.1673-5897.20210914001
Citation: Li Xin, Song Xiaohong, Li Yujing, Yang Tao, Yan Xiaoyu, Huang Siqi, Wang Yingqi, Zeng Honghu. Effects of Co-exposure of Two Antibiotics on the Antioxidant Enzyme Activities and Related Genes Expression in Mosquitofish (Gambusia affinis)[J]. Asian journal of ecotoxicology, 2022, 17(5): 484-496. doi: 10.7524/AJE.1673-5897.20210914001

2种抗生素联合暴露对食蚊鱼抗氧化酶活力及相关基因表达的影响

    通讯作者: 曾鸿鹄, E-mail: zenghonghu@glut.edu.cn
    作者简介: 黎昕(1997-),女,硕士研究生,研究方向为环境生态学,E-mail:lixinleox@163.com
  • 1. 桂林理工大学环境科学与工程学院, 桂林 541006;
  • 2. 广西环境污染控制理论与技术重点实验室, 桂林 541004;
  • 3. 岩溶地区水污染控制与用水安全保障协同创新中心, 桂林 541004;
  • 4. 广西环境污染控制理论与技术重点实验室科教结合科技创新基地, 桂林 541004
基金项目:

国家自然科学基金资助项目(51868012);广西科技计划项目(2018GXNSFAA281022,2019GXNSFAA245058)

摘要: 水环境中存在多种抗生素残留,其造成的联合毒性对生物链产生不可忽视的影响。本研究采用氧氟沙星(ofloxacin,OFL)和磺胺甲恶唑(sulfamethoxazole,SMX)对食蚊鱼进行联合暴露10 d,检测其肝脏、肠道和肌肉组织的抗氧化酶活力和相关基因mRNA表达量变化,探究典型抗生素OFL和SMX联合暴露对食蚊鱼的毒性效应。结果表明,不同浓度OFL和SMX联合暴露10 d,对食蚊鱼机体造成了不同程度的氧化损伤,呈典型的剂量-效应关系,并具有组织特异性,这可能与Nrf2通路激活有关。主成分分析和Spearman相关性分析显示,谷胱甘肽S-转移酶(GST)、超氧化物歧化酶(SOD)、热激蛋白基因(HSP70HSP90)对OFL和SMX联合暴露的响应较为灵敏,可作为良好的生态毒理指标。OFL和SMX联合暴露10 d后,相关基因mRNA的表达变化可更灵敏地指示食蚊鱼抗氧化系统的损伤。本研究从蛋白和mRNA表达水平揭示了OFL和SMX对食蚊鱼的联合毒性,并结合主成分分析和相关性分析,识别反应灵敏指标,为复合抗生素的生态风险评估和安全应用提供科学依据。

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