Multi-marker approach for the evaluation of environmental impacts of APACS 50WG on aquatic ecosystems.

Q4 Neuroscience

Invertebrate Neuroscience Pub Date : 2020-11-16 DOI:10.1007/s10158-020-00254-2

Dávid Somogyvári, Ágnes Vehovszky, Anna Farkas, Réka Horváth, János Győri

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Abstract

Neonicotinoids are the most widely used synthetic insecticides in the world. These insecticides are widely distributed in the ecosystem, indicating that more attention should be paid to the potential risks regarding their use in agriculture. Due their intensive use, non-target species in the environment are also exposed to their putative effects. Within acute exposure trials, the time related effect of sublethal dose of the neonicotinoid preparation APACS 50 WG was investigated on swimming behaviour and the multi-xenobiotic resistance system (MXR) activity, as a first line defence pathway of adult Dikerogammarus villosus. Results showed that treated animals manifested an increased swimming activity. Exposed animals were monitored by the rhodamine B accumulation assay, and APACS 50 WG exerted distinct changes in the MXR activity as well. Our results suggested that application of neonicotinoid at a low concentration (3.9 ng/l) contributed to the activation of locomotor activity and at the same concentration range the transmembrane transport mechanisms was altered too.

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多标记法评价APACS 50WG对水生生态系统的环境影响。

新烟碱类杀虫剂是世界上使用最广泛的合成杀虫剂。这些杀虫剂广泛分布在生态系统中，表明在农业中使用它们的潜在风险应引起更多的关注。由于它们的大量使用，环境中的非目标物种也暴露于它们假定的影响之下。在急性暴露试验中，研究了亚致死剂量新烟碱制剂APACS 50 WG对成虫游动行为和多外源抗性系统(MXR)活性的时间相关影响。结果显示，治疗后的动物游泳活动增加。用罗丹明B积累法监测暴露动物，APACS 50 WG对MXR活性也有明显的变化。结果表明，低浓度(3.9 ng/l)的新烟碱可激活小鼠的运动活动，且在相同浓度范围内，跨膜转运机制也发生改变。

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来源期刊

Invertebrate Neuroscience NEUROSCIENCES-

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0.00%

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>12 weeks

期刊介绍： Invertebrate Neurosciences publishes peer-reviewed original articles, reviews and technical reports describing recent advances in the field of invertebrate neuroscience. The journal reports on research that exploits the simplicity and experimental tractability of the invertebrate preparations to underpin fundamental advances in neuroscience. Articles published in Invertebrate Neurosciences serve to highlight properties of signalling in the invertebrate nervous system that may be exploited in the field of antiparisitics, molluscicides and insecticides. Aspects of particular interest include: Functional analysis of the invertebrate nervous system; Molecular neuropharmacology and toxicology; Neurogenetics and genomics; Functional anatomy; Neurodevelopment; Neuronal networks; Molecular and cellular mechanisms of behavior and behavioural plasticity.