CYPERMETHRIN-INDUCED IN-VIVO ALTERATIONS IN THE CARBOHYDRATE-METABOLISM OF FRESH-WATER FISH, LABEO-ROHITA

被引:69
作者
PHILIP, GH [1 ]
REDDY, PM [1 ]
SRIDEVI, G [1 ]
机构
[1] MOREHOUSE SCH MED, DEPT PHYSIOL, ATLANTA, GA 30310 USA
关键词
D O I
10.1006/eesa.1995.1059
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Aspects of carbohydrate metabolism under in vivo conditions were analyzed in functionally different tissues of the freshwater fish, Labeo rohita, exposed to a lethal (LC(50)/96 hr = 5.24 mu g liter(-1)) and sublethal concentration (0.52 mu g liter(-1)) of cypermethrin for 4 days. All exposed fish exhibited a hyperglycemic condition. An increase in tissue lactate with a decrease in pyruvate, total carbohydrates, and glycogen contents was noted. Activity of lactate dehydrogenase was elevated, indicating a shift toward anaerobiosis. TCA cycle enzymes, namely succinate dehydrogenase and malate dehydrogenase, were inhibited. In most cases changes were more pronounced during a lethal exposure compared to sublethal exposure period. The data indicate that the fish has adopted a compensatory mechanism to derive energy during pyrethroid toxicosis. (C) 1995 Academic Press, Inc.
引用
收藏
页码:173 / 178
页数:6
相关论文
共 32 条
[1]   EFFECT OF PESTICIDES ON THE LDH ACTIVITY AND ISOENZYME PATTERN OF CARP (CYPRINUS-CARPIO L) SERA [J].
ASZTALOS, B ;
NEMCSOK, J .
COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-TOXICOLOGY & PHARMACOLOGY, 1985, 82 (01) :217-219
[2]  
Barker SB, 1941, J BIOL CHEM, V138, P535
[3]   TOXICOKINETICS AND TOXICODYNAMICS OF PYRETHROID INSECTICIDES IN FISH [J].
BRADBURY, SP ;
COATS, JR .
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY, 1989, 8 (05) :373-380
[4]  
CARROLL NV, 1956, J BIOL CHEM, V220, P583
[5]   TOXICOLOGY OF SYNTHETIC PYRETHROIDS IN AQUATIC ORGANISMS - AN OVERVIEW [J].
COATS, JR ;
SYMONIK, DM ;
BRADBURY, SP ;
DYER, SD ;
TIMSON, LK ;
ATCHISON, GJ .
ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY, 1989, 8 (08) :671-679
[6]   A BRIEF REVIEW OF THE ENVIRONMENTAL FATE AND METABOLISM OF PYRETHROIDS [J].
DEMOUTE, JP .
PESTICIDE SCIENCE, 1989, 27 (04) :375-385
[7]   LEVELS OF BLOOD-GLUCOSE AND TISSUE GLYCOGEN IN 2 LIVE FISH EXPOSED TO INDUSTRIAL EFFLUENT [J].
DIWAN, AD ;
HINGORANI, HG ;
CHANDRASEKHRAMNAIDU, N .
BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY, 1979, 21 (1-2) :269-272
[8]  
Ekenberg D. R., 1958, BIOL BULL, V114, P308
[9]  
FINNEY D J, 1971, P333
[10]  
Friedemann TE, 1942, J BIOL CHEM, V144, P67