Characterisation of the relationship between binding sites for imidacloprid and other nicotinic ligands in insects
1999
Lind, R.J. | Clough, M.S. | Earley, F.G.P. | Wonnacott, S. | Reynolds, S.E.
Radioligand binding studies using the neurotoxins alpha-bungarotoxin, epibatidine, imidacloprid (IMI) and methyllycaconitine reveal heterogeneity at the level of the nicotinic acetylcholine receptor (nAChR) in membranes from the peach potato aphid Myzus persicae (Sulzer) and further suggest the presence of more than one ligand binding site per nAChR. These sites are able to interact allosterically with each other. Of particular interest, [3H]IMI has over an order of magnitude higher affinity in membranes of hemipteran pest species than in non-hemipteran insects, which may help explain why IMI is particularly effective for the control of sucking pests.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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