首页> 美国卫生研究院文献>Journal of Insect Science >Segregation of European Corn Borer Ostrinia nubilalis Aminopeptidase 1 Cadherin and Bre5-Like Alleles from a Colony Resistant to Bacillus thuringiensis Cry1Ab Toxins are not Associated with F2 Larval Weights when Fed a Diet Containing Cry1Ab
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Segregation of European Corn Borer Ostrinia nubilalis Aminopeptidase 1 Cadherin and Bre5-Like Alleles from a Colony Resistant to Bacillus thuringiensis Cry1Ab Toxins are not Associated with F2 Larval Weights when Fed a Diet Containing Cry1Ab

机译:当饲喂含有Cry1Ab的饮食时欧洲玉米Bor抗玉米Ost虫氨肽酶1钙黏着蛋白和Bre5等位基因从抗苏云金芽孢杆菌Cry1Ab毒素的菌落中分离与F2幼虫体重无关。

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摘要

Protein receptors may be required for activated Bacillus thuringiensis Cry toxins (Cry1Ab) to bind midgut epithelium prior to pore formation. Single nucleotide polymorphism markers from two Ostrinia nubilalis Hübner (Lepidoptera: Crambidae) midgut peptide receptors, cadherin (OnCad), aminopeptidase N 1 (OnAPN1), and OnBre5 (Onb3GalT5; a β-1,3-galactosyltransferase family 5 member) were used to examine segregation in F2 families derived from paired matings of Cry1Ab-resistant females and Cry1Ab-susceptible males. Genotypic frequencies for these markers did not deviate from Mendelian expectations. Analysis of F2 larvae indicate the segregation of single nucleotide pores in OnAPN1, OnBre5 (Onb3GalT5), and OnCad marker loci were independent of the segregation of logio weights of larvae feeding on Cry1Ab diet.
机译:苏云金芽孢杆菌的Cry毒素(Cry1Ab)可能需要蛋白质受体才能在孔形成之前结合中肠上皮。使用了来自两个Ostrinia nubilalisHübner(鳞翅目:Crambidae)中肠肽受体,钙粘蛋白(OnCad),氨基肽酶N 1(OnAPN1)和OnBre5(Onb3GalT5;β-1,3-半乳糖基转移酶家族5成员)的单核苷酸多态性标记研究从耐Cry1Ab的雌性和易受Cry1Ab的雄性成对交配而来的F2族中的隔离。这些标记的基因型频率没有偏离孟德尔的期望。 F2幼虫的分析表明OnAPN1,OnBre5(Onb3GalT5)和OnCad标记基因座中的单个核苷酸孔的分离与以Cry1Ab饲料喂养的幼虫的逻辑重量分离无关。

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