Tanzeela Riaz1, Farah Rauf Shakoori2* and Syed Shahid Ali3
...ases, choline esterases, acetylcholine esterases and aryl esterases were determined in 4th & 6th instar larvae and adult beetles of phosphine-tolerant populations (previously exposed to phosphine for 15 years) of wheat grain pest, Trogoderma granarium collected from various storage facilities of Punjab, Pakistan viz., Mandi Bahauddin-I, Mandi Bahauddin-II, Gujrat, Gujranwala and Sargodha. The activities of all esterases ...
Amtul Jamil Sami1,*, Sehrish Bilal1, Madeeha Khalid1, Muhammad Tahir Nazir1 and A.R. Shakoori2

 

...le of saponins on insect acetylcholinesterase (AChEs). The enzyme activities were tested for the effect of saponins. The AChE activity of T. castaneum was inhibited by the saponins and follows competitive inhibition kinetics. In case of A. mellifera enzyme activity was not inhibited. In vitro and in vivo inhibition was observed for T. castaneum at larval stages, in dose dependent and time dependent manner. LC50 was det...

Pakistan Journal of Zoology

June

Vol. 50, Iss. 3, Pages 799-1198

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