Acetylcholinesterase activity in Corbicula fluminea Mull., as a biomarker of organophosphate pesticide pollution in Pinacanauan River, Philippines

被引：20

作者：

Beltran, Kimberly S. ^{[1
,2
]}

Pocsidio, Glorina N. ^{[1
]}

机构：

[1] Univ Philippines, Coll Sci, Inst Biol, Quezon City 1101, Philippines

[2] Univ Philippines, Dept Biol, Coll Arts & Sci, Quezon City 1101, Philippines

来源：

ENVIRONMENTAL MONITORING AND ASSESSMENT | 2010年 / 165卷 / 1-4期

关键词：

Acetylcholinesterase; Corbicula fluminea; Malathion; Pinacanauan River; MYTILUS-GALLOPROVINCIALIS; ESTERASE-ACTIVITIES; EXPOSURE; CHOLINESTERASE; MUSSEL; CLAM; MONITOR;

D O I：

10.1007/s10661-009-0949-y

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Organophosphates are known to inhibit the enzyme acetylcholinesterase. In this study, the AChE activity from the total soft tissues of Corbicula fluminea Mull. was used as a biomarker of organophosphate pollution in Pinacanauan River. Clams were collected from two different sites and at different seasons of the year. A colorimetric assay on the total soft tissues of the clams showed a directly proportional relationship between enzyme activity and condition of the riverine system. In vitro experiments on the total soft tissue, adductor muscles, digestive glands, and gills were conducted to assess the degree of localization of AChE as well as the sensitivity and tolerance of the enzymes in these tissues to varying concentrations of malathion. The degree of enzyme localization from highest to lowest is as follows: adductor muscle > gills > digestive gland whereas sensitivity to OP from greatest to least is: gills > adductor muscles > digestive gland.

引用

页码：331 / 340

页数：10

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