Results 181 to 190 of about 6,820 (210)

Transgenic soybean expressing Cry1Ab-Vip3A fusion protein confers broad-spectrum resistance to lepidopteran pest. [PDF]

Plant Cell Rep
Pan Z, Zhu Y, Lin C, Tang M, Shen Z, Zheng T.   +5 more
europepmc   +1 more source

Synergistic Insecticidal Activity Against <i>Hyphantria cunea</i> by Cry9Aa3 Mutants and Cry1Ah Combinations. [PDF]

Int J Mol Sci
Xu P, Wang Z, Zhang Y, Han J, Shu C, Liao M, Zhang J, Geng L.   +7 more
europepmc   +1 more source

V-ATPase C Acts as a Receptor for Bacillus thuringiensis Cry2Ab and Enhances Cry2Ab Toxicity to Helicoverpa armigera. [PDF]

Insects
Li P, Zhao Y, Zhang N, Yao X, Li X, Du M, Wei J, An S.   +7 more
europepmc   +1 more source

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Nanoparticle-loaded microcapsules providing effective UV protection for Cry1Ac

Journal of Microencapsulation, 2021
To prepare several novel microcapsules using chitosan (Cs) and Alginate (Alg) as coating materials, and nano-ZnO, nano-SiO2, nano-TiO2 as UV protective agents for improving UV resistance of Cry1Ac.Microcapsules were prepared by the layer-by-layer (LbL) self-assembly technique and electrostatic adsorption.
Yongjing, Zhang, Aijing, Zhang, Mengyuan, Li, Kanglai, He, Shuyuan, Guo   +4 more
openaire   +2 more sources

ATP Synthase Subunit α from Helicoverpa armigera Acts as a Receptor of Bacillus thuringiensis Cry1Ac and Synergizes Cry1Ac Toxicity

Journal of Agricultural and Food Chemistry, 2023
Insect resistance to Bacillus thuringiensis (Bt) toxins has led to an urgent need to explore the insecticidal mechanisms of Bt. Previous studies indicated that Helicoverpa armigera ATP synthase subunit α (HaATPs-α) is involved in Cry1Ac resistance.
Xue Yao, Yunpeng Duan, Zhongyuan Deng, Wenli Zhao, Jizhen Wei, Xianchun Li, Shiheng An   +6 more
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Up-Regulated Serpin Gene Involved in Cry1ac Resistance in Helicoverpa Armigera

SSRN Electronic Journal, 2022
Insect resistance to Bacillus thuringiensis (Bt) is a critical limiting factor for applying the Bt crops. Some studies indicated that decreased protoxin activation because of lower enzymatic activities of trypsin and chymotrypsin and increased expression of serpin might involve in Bt resistance.
Caihong, Zhang, Jizhen, Wei, Zaw Lin, Naing, Ei Thinzar, Soe, Jinrong, Tang, Gemei, Liang   +5 more
openaire   +2 more sources

Transgenic cotton co-expressing chimeric Vip3AcAa and Cry1Ac confers effective protection against Cry1Ac-resistant cotton bollworm

Transgenic Research, 2017
Wide planting of transgenic Bt cotton in China since 1997 to control cotton bollworm (Helicoverpa armigera) has increased yields and decreased insecticide use, but the evolution of resistance to Bt cotton by H. armigera remains a challenge. Toward developing a new generation of insect-resistant transgenic crops, a chimeric protein of Vip3Aa1 and ...
Wen-Bo, Chen, Guo-Qing, Lu, Hong-Mei, Cheng, Chen-Xi, Liu, Yu-Tao, Xiao, Chao, Xu, Zhi-Cheng, Shen, Mario, Soberón, Alejandra, Bravo, Kong-Ming, Wu   +9 more
openaire   +2 more sources

Mineralization of the Bacillus thuringiensis Cry1Ac Endotoxin in Soil

Journal of Agricultural and Food Chemistry, 2008
Although a number of studies have been done describing the fate of Bacillus thuringiensis insecticidal endotoxins in soil, there is conflicting information on the persistence of this class of insecticidal toxins. This is partly due to methodological limitations in many of the previous studies.
ACCINELLI, CESARE, Koskinen W. C., Becker J. M., Sadowsky M. J.   +3 more
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Bacillus thuringiensis δ-endotoxin Cry1Ac domain III enhances activity against Heliothis virescens in some, but not all Cry1-Cry1Ac hybrids

Journal of Invertebrate Pathology, 2005
We investigated the role of domain III of Bacillus thuringiensis delta-endotoxin Cry1Ac in determining toxicity against Heliothis virescens. Hybrid toxins, containing domain III of Cry1Ac with domains I and II of Cry1Ba, Cry1Ca, Cry1Da, Cry1Ea, and Cry1Fb, respectively, were created.
Karlova, R.B., Weemen, W.M.J., Naimov, S., Ceron, J., Dukiandjiev, S., de Maagd, R.A.   +5 more
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Synergistic Interactions Between Cry1Ac and Natural Cotton Defenses Limit Survival of Cry1Ac-resistant Helicoverpa Zea (Lepidoptera: Noctuidae) on Bt Cotton

Journal of Chemical Ecology, 2009
Larvae of the bollworm Helicoverpa zea (Boddie) show some tolerance to Bacillus thuringiensis (Bt) Cry1Ac, and can survive on Cry1Ac-expressing Bt cotton, which should increase resistance development concerns. However, field-evolved resistance has not yet been observed. In a previous study, a population of H.
Konasale J, Anilkumar, Sakuntala, Sivasupramaniam, Graham, Head, Robert, Orth, Edzard, Van Santen, William J, Moar   +5 more
openaire   +2 more sources