Comparative toxicity and biochemical responses of certain pesticides to the mature earthworm Aporrectodea caliginosa under laboratory conditions

This study was conducted to investigate the toxicity of aldicarb, cypermethrin, profenofos, chlorfluazuron, atrazine, and metalaxyl toward mature Aporrectodea caliginosa earthworms. The effects of the LC25 values of these pesticides on the growth rate in relation to glucose, soluble protein, and act...

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Bibliographic Details
Published in:	Environmental toxicology Vol. 18; no. 5; pp. 338 - 346
Main Authors:	Mosleh, Yahia Y., Ismail, Saad M. M., Ahmed, Mohamed T., Ahmed, Yousery M.
Format:	Journal Article
Language:	English
Published:	Hoboken Wiley Subscription Services, Inc., A Wiley Company 2003 Wiley
Subjects:	Animal, plant and microbial ecology Animals Applied ecology Biological and medical sciences biomarkers Biomarkers - analysis Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on protozoa and invertebrates Fundamental and applied biological sciences. Psychology glucose Glucose - metabolism growth rate Oligochaeta - growth & development Oligochaeta - physiology pesticides Pesticides - toxicity phosphatases Phosphoric Monoester Hydrolases - pharmacology Proteins - metabolism Soil Pollutants - toxicity soluble protein transaminases Transaminases - pharmacology Growth rate Enzyme Toxicity Transferases biomarkers Pesticides Biological marker Phosphoric monoester hydrolases Esterases Glucose Toxicity test Soil pollution soluble protein Annelida Oligochaeta Lethal dose Enzymatic activity Transaminases Aporrectodea caliginosa Hydrolases Invertebrata Comparative study Protein content phosphatases
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Summary:	This study was conducted to investigate the toxicity of aldicarb, cypermethrin, profenofos, chlorfluazuron, atrazine, and metalaxyl toward mature Aporrectodea caliginosa earthworms. The effects of the LC25 values of these pesticides on the growth rate in relation to glucose, soluble protein, and activities of glutamic‐oxaloacetic transaminase (GOT), glutamic‐pyruvic transaminase (GPT), acid phosphatase (AcP), and alkaline phosphatase (AIP) were also studied. The results showed that aldicarb was the most toxic of the tested pesticides, followed in order by cypermethrin, profenofos, chlorfluazuron, atrazine, and metalaxyl. A reduction in growth rate was observed in all pesticide‐treated worms, which was accompanied by a decrease in soluble protein and an increase in transaminases and phosphatases. Relationships between growth rate, protein content, transaminases, and phosphatases provided strong evidence for the involvement of pesticidal contamination in the biochemical changes in earthworms, which can be used as a bioindicator of soil contamination by pesticides. © 2003 Wiley Periodicals, Inc. Environ Toxicol 18: 338–346, 2003.
Bibliography:	istex:AC4F42AA1370AFE0BEF12998FE39CE4183663928 ark:/67375/WNG-594LZ99N-M ArticleID:TOX10134
ISSN:	1520-4081 1522-7278
DOI:	10.1002/tox.10134