2003
DOI: 10.1016/s0006-291x(03)01101-x
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An amino acid substitution on the second acetylcholinesterase in the pirimicarb-resistant strains of the peach potato aphid, Myzus persicae

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Cited by 175 publications
(138 citation statements)
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“…Negatively correlated sensitivity has also been observed in altered AChEs of other insect species such as N. cincticeps (Hama et al, 1980), Leptinotarsa decemlineate (Zhu and Clark, 1995), Rhizoperta dominica (Guedes et al, 1997) and A. gossypii . Recent molecular investigations suggest that amino acid substitution in the AChE catalytic center or near the active site may result in different responses of the altered AChEs to different substrates and inhibitors (Nabeshima et al, 2003;Kono and Tomita, 2006). In the altered AChE of the M. persicae Japanese strain, one amino acid, serine, located in the acyl pocket of the active site, is substituted with phenylalanine, and this substitution causes negatively correlated sensitivity (Oh et al, 2006).…”
Section: Discussionmentioning
confidence: 99%
“…Negatively correlated sensitivity has also been observed in altered AChEs of other insect species such as N. cincticeps (Hama et al, 1980), Leptinotarsa decemlineate (Zhu and Clark, 1995), Rhizoperta dominica (Guedes et al, 1997) and A. gossypii . Recent molecular investigations suggest that amino acid substitution in the AChE catalytic center or near the active site may result in different responses of the altered AChEs to different substrates and inhibitors (Nabeshima et al, 2003;Kono and Tomita, 2006). In the altered AChE of the M. persicae Japanese strain, one amino acid, serine, located in the acyl pocket of the active site, is substituted with phenylalanine, and this substitution causes negatively correlated sensitivity (Oh et al, 2006).…”
Section: Discussionmentioning
confidence: 99%
“…In wild types of AP-AChE from aphid species, M. persicae and A. gossypii, the amino acid at position 331 is exceptionally Ser, and 331Ser is replaced with Phe in the pirimicarb resistant strains (Nabeshima et al, 2003;Andrews et al, 2004;Toda et al, 2004). The acyl pocket of AP-AChE with 331Ser seems larger and less hydrophobic than that with 331Phe.…”
Section: Discussionmentioning
confidence: 99%
“…albimanus (Weill et al, 2004); Phe331Trp at the acyl pocket in Cx. tritaeniorhynchus (Nabeshima et al, 2004) and Tetranychus kanzawai (Aiki et al, 2005); Ser331Phe in Myzus persicae (Nabeshima et al, 2003) and Aphis gossypii (Li and Han, 2002;Andrews et al, 2004;Toda et al, 2004) and Phe290Val at the acyl pocket in Nephotettix cincticeps (Terada et al, un- (Weill et al, 2003;Oh et al, 2006). In the present study, therefore, 6 substitutions known to cause insensitivity in various species including positions of 119Gly and 331Phe were designed in the AP-AChE cDNA of Cx.…”
Section: Introductionmentioning
confidence: 97%
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“…gambiae (Weill et al, 2003), An. albimanus (Weill et al, 2004), C. tritaeniorhynchus (Nabeshima et al, 2004), M. persicae (Nabeshima et al, 2003), Aphis gossypii (Andrews et al, 2004;Toda et al, 2004) and Plutella xylostella (Baek et al, 2005). Recent studies of several insect species have shown that the expression level of the AP-AChE gene was much higher than that of the AO-AChE gene, and suggest that AP-AChE plays a main role in terminating synaptic transmission.…”
Section: Introductionmentioning
confidence: 99%