Substrate specificities and multiple forms of esterases in the brown planthopper, Nilaparvata lugens (Stal)

作者: C.K. Chang , M.E. Whalon

DOI: 10.1016/0048-3575(87)90092-7

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摘要: Abstract Substrate specificities have been examined in body homogenates of the brown planthopper, Nilaparvata lugens (Stal), using α-naphthyl acetate, β-naphthyl trans-permethrin, cis -permethrin, malathion, and fenvalerate as substrates. Eight esterases were resolved from planthopper with p I values range 4.3–5.3 designated E1–E8. All E1–E8 hydrolyzed trans malathion at different rates. Fenvalerate was most stable substrate to hydrolysis by except E3.

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