当前位置： SCI文献检索 > FISH PHYSIOLOGY AND BIOCHEMISTRY期刊下所有文献 > Cypermethrin and lambda-cyhalothrin induced alterations in nucleic acids and protein contents in a freshwater fish, Channa punctatus.

Cypermethrin and lambda-cyhalothrin induced alterations in nucleic acids and protein contents in a freshwater fish, Channa punctatus.

Abstract：

:In this study, a freshwater fish Channa punctatus was exposed to subacute concentrations of synthetic pyrethroid insecticides (cypermethrin and lambda-cyhalothrin) for 96 h to evaluate their impact on the levels of nucleic acids and protein in its different organs. Significant enhancement in the level of DNA was recorded in all tissues of the fish at high concentration of cypermethrin, whereas RNA and protein contents increased in tissues at all concentrations of cypermethrin tested. In contrast, lambda-cyhalothrin treatment caused an increase in the level of DNA only in liver and brain, whereas increase of RNA and protein varied to different levels in different tissues. Cypermethrin treatment induced RNA/DNA ratio in all fish organs tested, whereas lambda-cyhalothrin caused a sharp decrease in the ratio. Protein/DNA ratios were found to be tissue specific in treatments with both of the insecticides. The results clearly indicated that both of these pyrethroids exerted their effects in a similar manner in fish liver but differed in other tissues. These insecticides acted as potential biomodulators in C. punctatus, though following different routes. The results may be an indicator of aquatic pollution affecting freshwater fauna and flora and thus signaling the need for strict regulation on the indiscriminate input of pyrethroids from agricultural sites.

journal_name

Fish Physiol Biochem

journal_title

Fish physiology and biochemistry

authors

Kumar A,Sharma B,Pandey RS

doi

10.1007/s10695-007-9192-z

subject

Has Abstract

pub_date

2008-12-01 00:00:00

pages

331-8

issue

4

eissn

0920-1742

issn

1573-5168

journal_volume

34

pub_type

杂志文章

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