ANTICHOLINESTERASE POTENTIAL OF MONOTERPENOIDS ON THE WHITEFLY BEMISIA TABACI AND THEIR KINETIC STUDIES

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ZARRAD K.; LAARIF A.; BEN HAMOUDA A.; CHAIEB I.; MEDIOUNI BEN JEMAA J.

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Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST) Year:2017 | Volume:19 | Issue:3 Page(s): 643-652

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Title

ANTICHOLINESTERASE POTENTIAL OF MONOTERPENOIDS ON THE WHITEFLY BEMISIA TABACI AND THEIR KINETIC STUDIES

Author(s)

Keywords

ACETYLCHOLINESTERASEQ3

BEMISIA TABACIQ3

IPMQ3

MONOTERPENOIDSQ3

NON-COMPETITIVE INHIBITIONQ3

Abstract

B-biotype BEMISIA TABACI is a severe insect pest worldwide in many ornamental, agricultural, and horticultural crops. Control of this insect is obstructed by resistance to many ACETYLCHOLINESTERASE (AChE) -inhibiting insecticides, such as organophosphates and carbamates. In the present work, we evaluated the ACETYLCHOLINESTERASE inhibitory activity of six MONOTERPENOIDS namely a -pinene, terpineol, linalool, b-myrcene, nerol and geraniolin vitro and in vivo. Inhibition of AChE of B. tabaci was measured by colorimetric method. The results showed that all of the MONOTERPENOIDS produced AChE inhibitory activity, with IC50 values ranging from 0.96 to 26.85 mM. Alpha-pinene showed the most potent inhibitory activity (IC50=0.96 mM). Kinetic analysis showed reversible noncompetitive type inhibition, revealing that these components might bind both the enzyme alone and the enzyme-substrate. Results demonstrate the AChE inhibitory activity as mode of action of these MONOTERPENOIDS at relatively high concentrations. Thus, this could be useful for investigation of new ecofriendly natural insecticidal compounds.

Cites

Spike Lavender Essential Oil Reduces the Survival Rate and Fecundity of Two-spotted Spider Mite, Tetranychus urticae (Acari: Tetranychidae)

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APA: Copy

ZARRAD, K., LAARIF, A., BEN HAMOUDA, A., CHAIEB, I., & MEDIOUNI BEN JEMAA, J.. (2017). ANTICHOLINESTERASE POTENTIAL OF MONOTERPENOIDS ON THE WHITEFLY BEMISIA TABACI AND THEIR KINETIC STUDIES. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 19(3), 643-652. SID. https://sid.ir/paper/62444/en

Vancouver: Copy

ZARRAD K., LAARIF A., BEN HAMOUDA A., CHAIEB I., MEDIOUNI BEN JEMAA J.. ANTICHOLINESTERASE POTENTIAL OF MONOTERPENOIDS ON THE WHITEFLY BEMISIA TABACI AND THEIR KINETIC STUDIES. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2017;19(3):643-652. Available from: https://sid.ir/paper/62444/en

IEEE: Copy

K. ZARRAD, A. LAARIF, A. BEN HAMOUDA, I. CHAIEB, and J. MEDIOUNI BEN JEMAA, “ANTICHOLINESTERASE POTENTIAL OF MONOTERPENOIDS ON THE WHITEFLY BEMISIA TABACI AND THEIR KINETIC STUDIES,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 19, no. 3, pp. 643–652, 2017, [Online]. Available: https://sid.ir/paper/62444/en

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