Separation and Characterization of Heterodera glycines Acetylcholinesterase Molecular Forms
Abstract
The composition and biochemical properties of acetylcholinesterases isolated from Heterodera glycines were determined. Heterodera glycines contains three separable AChE molecular forms that can be grouped into two classes corresponding to classes A and C found in some other nematode species. The apparent lack of class B AChE is unusual and may have significant behavioral ramifications. The class C enzyme isolated from H. glycines is similar to that from Meloidogyne arenaria and M. incognita but is somewhat more sensitive to AChE inhibitors such as eserine. Heterodera glycines possesses a larger percentage of its total acetylcholinesterase as class C than other nematodes thus far examined. Key words: acetylcholinesterase, carbamate, enzyme, Heterodera glycines, nematicide, nematode, organophosphate, soybean cyst nematode.Downloads
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