Results: 5

Impact of nitrogen and phosphorus fertilizers on Cry1Ac protein contents in transgenic cotton

Braz. j. biol; 83 (), 2023
Abstract Application of different fertilizers to check the efficiency of expression of Bt (Bacillus thuringiensis) gene in one of the leading commercialized crops (cotton) against Lepidopteran species is of great concern. The expression of Cry protein level can be controlled by the improvement of nutrien...

Study of Expression of Indigenous Bt cry2AX1 Gene in T3 Progeny of Cotton and its Efficacy Against Helicoverpa armigera (Hubner)

Abstract Development of transgenic Bt crops with stable and high level of Bt protein expression over generations under different environmental conditions is critical for successful deployment at field level. In the present study, progenies of transgenic cotton Coker310 event, CH12 expressing novel cry2AX...

Owlet moths (Lepidoptera: Noctuoidea) associated with Bt and non- Bt soybean in the brazilian savanna

Braz. j. biol; 79 (2), 2019
Abstract The use of GMO expressing Bt toxin in soybean production has increased significantly in the last years in Brazil in order to manage the damage caused by lepidopteran pests. In this study, we compared the richness and abundance of owlet moths (Noctuoidea) associated with Bt and non-Bt soybean. W...

Expression of cry1Ab gene from a novel Bacillus thuringiensis strain SY49-1 active on pest insects

Braz. j. microbiol; 47 (3), 2016
ABSTRACT In this study, the cry1Ab gene of previously characterized and Lepidoptera-, Diptera-, and Coleoptera-active Bacillus thuringiensis SY49-1 strain was cloned, expressed and individually tested on Ephestia kuehniella (Lepidoptera: Pyralidae) and Plodia interpunctella (Lepidoptera: Pyralidae) larva...

Chloroplast localization of Cry1Ac and Cry2A protein- an alternative way of insect control in cotton

Biol. Res; 48 (), 2015
BACKGROUND: Insects have developed resistance against Bt-transgenic plants. A multi-barrier defense system to weaken their resistance development is now necessary. One such approach is to use fusion protein genes to increase resistance in plants by introducing more Bt genes in combination. The locating t...