当前位置： SCI文献检索 > ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY期刊下所有文献 > Response and recovery of brain acetylcholinesterase activity in the European eel, Anguilla anguilla, exposed to fenitrothion.

Response and recovery of brain acetylcholinesterase activity in the European eel, Anguilla anguilla, exposed to fenitrothion.

Abstract：

:European eel (Anguilla anguilla) were exposed to sublethal fenitrothion concentrations in a continuous flow-through system for 4 days. Brain acetylcholinesterase (AChE) activity was evaluated after 2, 8, 12, 24, 32, 48, 56, 72, and 96 h pesticide exposure. Results indicated that AChE activity in eel brains decreased as the concentration of fenitrothion increased. The pesticide induced significant inhibitory effects on the AchE activity of A. anguilla, ranging from > 40% inhibition at a sublethal concentration of 0.02 ppm to > 60% inhibition at a sublethal concentration of 0.04 ppm. Eel were exposed to both fenitrothion concentrations for 96 h and then allowed a period of recovery in pesticide-free water. Samples were removed at 8, 12, 24, 48, 72, 96, 144, and 192 h and eel brain AChE activity was evaluated. Following 1 week of recovery, the AChE activity of those animals previously exposed to 0.02 and 0.04 ppm fenitrothion was still different from that of the controls. So, the AChE activity of eel brains at the end of the recovery phase remained significantly depressed.

journal_name

Ecotoxicol Environ Saf

journal_title

Ecotoxicology and environmental safety

authors

Sancho E,Ferrando MD,Andreu E

doi

10.1006/eesa.1997.1579

subject

Has Abstract

pub_date

1997-12-01 00:00:00

pages

205-9

issue

3

eissn

0147-6513

issn

1090-2414

pii

S0147-6513(97)91579-7

journal_volume

38

pub_type

杂志文章

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