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首页> 外文期刊>Environmental pollution >A full life-cycle bioassay with Cantareus aspersus shows reproductive effects of a glyphosate-based herbicide suggesting potential endocrine disruption
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A full life-cycle bioassay with Cantareus aspersus shows reproductive effects of a glyphosate-based herbicide suggesting potential endocrine disruption

机译：用Cantareus aspersus进行的完整生命周期生物测定表明，基于草甘膦的除草剂具有生殖作用，表明潜在的内分泌干扰

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摘要

A full life-cycle (240 days) bioassay using the terrestrial snail, Cantareus aspersus, allowing exposure during embryogenesis and/or the growth and reproduction phases, was used to assess the effects of Bypass (R), a glyphosate-based herbicide (GIyBH), on a range of endpoints, including parameters under endocrine control. As a positive control, a mixture (R-A) made of diquat (Reglone (R)) and nonylphenols (NP, Agral (R)), known for its endocrine disrupting effects in other organisms, was tested. At environmental concentrations, both pesticides (R-A mixture and GIyBH) enhanced growth but reduced reproduction. The R-A mixture acted mainly on the fecundity through a delay in egg-laying of approximately 20 days and a strongly reduced number of clutches. This latter dysfunction may be caused by a permanent eversion of the penis, suggesting a disrupting effect at the neuro-endocrine level, which prevented normal mating. GIyBH acted on fertility, possibly due to a decrease in the fertilization of eggs laid by adults exposed during their embryonic development. These results, associated with the absence of observed effects on gonad histology of GIyBH exposed snails, suggested that the underlying mechanisms are neuro-endocrine. (C) 2017 Elsevier Ltd. All rights reserved.
机译：使用陆生蜗牛Cantareus aspersus的整个生命周期（240天）生物测定法，可在胚发生和/或生长和繁殖阶段进行暴露，用于评估基于草甘膦的除草剂（Rypass）的作用（GIyBH ），包括一系列内分泌控制参数。作为阳性对照，测试了以敌草快（Reglone（R））和壬基酚（NP，Agral（R））制成的混合物（R-A），该混合物因其在其他生物体中的内分泌干扰作用而闻名。在环境浓度下，两种农药（R-A混合物和GIyBH）均能促进生长，但减少繁殖。 R-A混合物主要通过延迟产卵约20天和大量减少离婚而对繁殖力起作用。后一种功能障碍可能是由阴茎的永久性外翻引起的，这提示了神经内分泌水平的破坏作用，阻止了正常的交配。 GIyBH的作用与生育有关，可能是由于在胚胎发育过程中暴露的成虫产下的卵受精能力下降。这些结果，与未观察到的对GIyBH暴露的蜗牛的性腺组织学的影响有关，表明潜在的机制是神经内分泌。 （C）2017 Elsevier Ltd.保留所有权利。

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  • 来源
    《Environmental pollution》 |2017年第7期|240-249|共10页
  • 作者

    Druart Coline; Gimbert Frederic; Scheifler Renaud; de Vaufleury Annette;

  • 作者单位

    Univ Bourgogne Franche Comte, Dept Chronoenvironm, UMR CNRS Usc INRA 6249, 16 Route Gray, F-25030 Besancon, France;

    Univ Bourgogne Franche Comte, Dept Chronoenvironm, UMR CNRS Usc INRA 6249, 16 Route Gray, F-25030 Besancon, France;

    Univ Bourgogne Franche Comte, Dept Chronoenvironm, UMR CNRS Usc INRA 6249, 16 Route Gray, F-25030 Besancon, France;

    Univ Bourgogne Franche Comte, Dept Chronoenvironm, UMR CNRS Usc INRA 6249, 16 Route Gray, F-25030 Besancon, France;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Endocrine disruption; Fertility; Sublethal effects; Nonylphenol; Diquat; Pesticide;

    机译：内分泌干​​扰;生殖力;亚致死作用;壬基酚;敌草快;农药;

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