Effects of 2,4-dichlorophenoxyacetic acid formulation on medulla spinalis of Poecilia reticulata: A histopathological study

Yigit Uyanikgil; Murat Yalcinkaya; Utku Ates; Meral Baka; Hatice Karakisi

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Effects of 2,4-dichlorophenoxyacetic acid formulation on medulla spinalis of Poecilia reticulata: A histopathological study

机译：2,4-二氯苯氧基乙酸制剂对网状中华绒螯蟹髓质的影响：组织病理学研究

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This study investigated the possible effects of a commonly used foliar herbicide 2,4-dichlorophenoxyacetic acid (2,4-D) formulation on medulla spinalis of lebistes. Fish were exposed to 2,4-D (15, 30, 45 mg L~(-1)), behavioral changes were monitored. Fish were fixed, histopathological examination was carried out on sections taken from the upper parts of the fish body. Histopathology showed increase in neu-ronal loss, swelling indicating formation of intracellular edema, vacuolization noticed as the formation of vacuoles within or adjacent to cells, deformation in the Nissl granules, pyknosis and gliosis in medulla spinalis. Behavioral changes were decreased general activity, grouping, shortness in breath, sudden rotations and jumping, loss of equilibrium and colour. In conclusion, this commercial formulation of 2,4-D is considerably neurotoxic to lebistes. Fish constitute the last link in the chain of the feeding cycle in aquatic eco-system, number of studies investigating acute and chronic neurotoxicity of various herbicides in fish should be increased.

机译：这项研究调查了一种常用的叶面除草剂2,4-二氯苯氧基乙酸（2,4-D）制剂对Lebistes脊髓髓质的可能影响。将鱼暴露于2,4-D（15、30、45 mg L〜（-1）），监测行为变化。固定鱼，对从鱼体上部截取的切片进行组织病理学检查。组织病理学显示神经元丢失增加，肿胀表明细胞内水肿的形成，细胞空泡形成为细胞内或邻近细胞的空泡形成，Nissl颗粒变形，髓质固缩和胶质增生。行为改变包括一般活动减少，分组，呼吸急促，突然旋转和跳跃，失去平衡和肤色。总之，这种商业化的2,4-D制剂对lebistes具有相当的神经毒性。在水生生态系统中，鱼类构成了饲喂周期链中的最后一个环节，应增加研究鱼类中各种除草剂的急性和慢性神经毒性的研究数量。

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来源
《Chemosphere》 |2009年第10期|1386-1391|共6页
作者
Yigit Uyanikgil; Murat Yalcinkaya; Utku Ates; Meral Baka; Hatice Karakisi;
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作者单位

Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100 Bomova, Izmir, Turkey;

Department of Zoology, Division of Biology, Faculty of Science, Ege University, 35100 Bomova, Izmir, Turkey;

Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100 Bomova, Izmir, Turkey;

Department of Histology and Embryology, Faculty of Medicine, Ege University, 35100 Bomova, Izmir, Turkey;

Department of Zoology, Division of Biology, Faculty of Science, Ege University, 35100 Bomova, Izmir, Turkey;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类
关键词
2,4-Dichlorophenoxyacetic acid (2,4-D); medulla spinalis; lebistes; poecilia reticulata; neurotoxicity; behavioral toxicity;

机译：2,4-二氯苯氧基乙酸（2,4-D）;脊髓延髓;bis十字花科神经毒性行为毒性;

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4. Effect of 2,4-Dichlorophenoxyacetic Acid (2,4-D) on the Size of the Navel end Opening of Navel Oranges-A Preliminary Study [C] . Stephan Verreynne International citrus congress . 2010

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Effects of 2,4-dichlorophenoxyacetic acid formulation on medulla spinalis of Poecilia reticulata: A histopathological study

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