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当前位置: 首页 > 文章 > 两种温度条件下杀虫单对赤子爱胜蚓蛋白含量SOD和AChE活性的影响 农业环境科学学报 2007,26 (05) 1816-1821
Position: Home > Articles > Effect of Monosultap on Protein Content,SOD and AChE Activity of Eisenia foetida Under Two Different Temperatures Journal of Agro-Environment Science 2007,26 (05) 1816-1821

两种温度条件下杀虫单对赤子爱胜蚓蛋白含量SOD和AChE活性的影响

作  者：
孙维;邰托娅;林玉锁
单  位：
国家环境保护总局南京环境科学研究所国家环境保护农药环境评价与污染控制重点实验室
关键词：
杀虫单;赤子爱胜蚓;温度;蛋白含量;SOD;AChE
摘  要：
为评价土壤的农药污染程度,选用杀虫剂杀虫单对赤子爱胜蚓(Eiseniafoetida)进行染毒试验,采用滤纸法研究两种温度下农药污染对赤子爱胜蚓的毒理和其体内蛋白含量、超氧化物歧化酶(SOD)和乙酰胆碱酯酶(AChE)酶活力的影响。结果发现,杀虫单单一作用时,在10℃和20℃两种温度下,蚯蚓死亡率分别为20%和30%;随杀虫单浓度的增大,蚯蚓体内蛋白含量出现不同程度的升高;SOD活性随农药浓度的升高整体表现为下降趋势,其降低率分别为32.2%和21.2%,但规律不很明显;时间和浓度对SOD的影响达到极显著(P<0.01);农药对蚯蚓体内AChE活力的抑制作用不明显,这与该农药是较弱的胆碱酯酶抑制剂有关,且随暴露时间的延长,AChE活力表现出一定的恢复现象。试验结果表明,温度对蚯蚓死亡率及蛋白含量、SOD、AChE酶的活性有一定影响,可通过对比两种温度下的蚯蚓体内酶活性的大小来进行生物监测和环境影响评价。
译  名：
Effect of Monosultap on Protein Content,SOD and AChE Activity of Eisenia foetida Under Two Different Temperatures
作  者：
SUN Wei1,2,TAI Tuo-ya1,2,LIN Yu-suo1 (1.Key Laboratory of Pesticides Environmental Assessment and Control,NIES,Nanjing 210042,China; 2. College of Resources and Environment,Nanjing Agricultural University,Nanjing 210095,China)
关键词：
monosultap; Eisenia foetida earthworm; temperature; protein content; SOD; AchE
摘  要：
In recent years,soil pollution has been increasingly serious,which might be contributed to the considerable production and abuse of pesticide. The effects of the pesticide pollution on the soil animals have been drawn increasing attention and become a research hotspot currently. In order to evaluate the contamination of insecticide on soil environment,the insecticide monosultap was chosen to construct the exposed experiment using contact filter paper method. The toxic effect,protein content,superoxide dismutase (SOD) and acetylcholine esterase (AChE ) activity of the earthworm Eisenia foetida were studied under two different exposed temperatures. The results revealed that the death rate reached 20 % at 10 ℃,and went up to 30 % at 20 ℃. Along with the increase of the exposed concentration of monosultap,the protein contents of Eisenia foetida at two different temperatures tended to increase to some degree,while the activities of the SOD dropped down. The activities of SOD decreased 32.2 % and 21.2 % at 10 ℃ and 20 ℃,respectively,but the trend was not consistent. ANOVA indicated that the effects of exposed time and concentration on the activity of SOD were significant (P<0.01). AChE activity of earthworms was not restrained by mono-pollution of monosultap significantly and resumed with the exposed time. The results suggested that temperature had certain influence on biochemical index of Eisenia foetida,so,the environmental contamination could be biologically monitored and evaluated through comparing the biochemical activity of earthworm under two different temperatures.

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