Browsing by Author "Chandre, Fabrice"
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Characterisation of novel Bacillus thuringiensis isolates against Aedes aegypti (Diptera: Culicidae) and Ceratitis capitata (Diptera:Tephridae)
Elleuch, Jihen; Tounsi, Slim; Ben Hassen, Najeh Belguith; Lacoix, Marie Noel; Chandre, Fabrice; Jaoua, Samir; Zribi Zghal, Raida... more authors ... less authors ( Elsevier Inc. , 2015 , Article)Bacillus thuringiensis is successfully used in pest management strategies as an eco-friendly bioinsecticide. Isolation and identification of new strains with a wide variety of target pests is an ever growing field. In this ... -
Cry4Ba and Cyt1Aa proteins from Bacillus thuringiensis israelensis: Interactions and Toxicity mechanism against Aedes aegypti
Elleuch, Jihen; Jaoua, Samir; Darriet, Frederic; Chandre, Fabrice; Tounsi, Slim; Zribi Zghal, Raida... more authors ... less authors ( Elsevier Ltd , 2015 , Article)Individual crystal proteins from Bacillus thuringiensis israelensis exhibit variable levels of insecticidal activities against mosquito larvae. In all cases, they are much less active compared to the whole crystal proteins ... -
Evidence of two mechanisms involved in Bacillus thuringiensis israelensis decreased toxicity against mosquito larvae: Genome dynamic and toxins stability
Elleuch, Jihen; Zribi Zghal, Raida; Lacoix, Marie Noel; Chandre, Fabrice; Tounsi, Slim; Jaoua, Samir... more authors ... less authors ( Elsevier GmbH , 2015 , Article)Biopesticides based on Bacillus thuringiensis israelensis are the most used and most successful around the world. This bacterium is characterized by a dynamic genome able to win or lose genetic materials which leads to a ... -
Towards novel Cry toxins with enhanced toxicity/broader: a new chimeric Cry4Ba / Cry1Ac toxin
Zghal, Raida Zribi; Elleuch, Jihen; Ali, Mamdouh Ben; Darriet, Frederic; Rebaï, Ahmed; Chandre, Fabrice; Jaoua, Samir; Tounsi, Slim... more authors ... less authors ( Springer-Verlag , 2017 , Article)Attempts have been made to express or to merge different Cry proteins in order to enhance toxic effects against various insects. Cry1A proteins of Bacillus thuringiensis form a typical bipyramidal parasporal crystal and ... -
Toxin stability improvement and toxicity increase against dipteran and lepidopteran larvae of Bacillus thuringiensis crystal protein Cry2Aa
Elleuch, Jihen; Jaoua, Samir; Ginibre, Carole; Chandre, Fabrice; Tounsi, Slim; Zghal, Raida Z.... more authors ... less authors ( Wiley , 2016 , Article)BACKGROUND Bacillus thuringiensis δ-endotoxins are the most widely used biopesticides for controlling economically important crop pests and disease vectors. Improving their efficacy is of great benefit. Here, an improvement ...