Cry4Ba and Cyt1Aa proteins from Bacillus thuringiensis israelensis: Interactions and Toxicity mechanism against Aedes aegypti
المؤلف | Elleuch, Jihen |
المؤلف | Jaoua, Samir |
المؤلف | Darriet, Frederic |
المؤلف | Chandre, Fabrice |
المؤلف | Tounsi, Slim |
المؤلف | Zribi Zghal, Raida |
تاريخ الإتاحة | 2015-12-16T08:20:04Z |
تاريخ النشر | 2015-09-15 |
اسم المنشور | Toxicon |
المعرّف | http://dx.doi.org/10.1016/j.toxicon.2015.07.337 |
الاقتباس | Cry4Ba and Cyt1Aa proteins from Bacillus thuringiensis israelensis: Interactions and toxicity mechanism against Aedes aegypti, Elleuch, Jihen; Jaoua, Samir; Darriet, Frédéric; Chandre, Fabrice; Tounsi, Slim et al., (2015) Toxicon, vol. 104, p. 83-90 |
الرقم المعياري الدولي للكتاب | 0041-0101 |
الملخص | 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 due to described complex synergistic interactions among them. In the present study we investigated the effects of Cyt1A98 (a Cyt1Aa type protein) on Cry4BLB (a Cry4Ba type toxin) insecticidal activity toward the dengue vector Aedes aegypti. The bioassay analyses demonstrated the ability of Cyt1A98 protein to enhance Cry4BLB toxin larvicidal activity even at a low proportion in the mixture (1%). In vitro interaction assays showed that Cyt1A98 provides supplementary binding sites for Cry4BLB in A. aegypti BBMVs. Moreover, it enhances the formation of Cry4BLB oligomeric structure. These results support that Cyt1A98 protein could act as a membrane-bound receptor fixing Cry4BLB δ-endotoxins and promoting its oligomerization. |
راعي المشروع | Tunisian Ministry of Higher Education and Scientific Research |
اللغة | en |
الناشر | Elsevier Ltd |
الموضوع | Bacillus thuringiensis israelensis Cytolytic protein Cyt1A98 Cry4BLB toxin Synergism Aedes aegypti |
النوع | Article |
الصفحات | 83-90 |
رقم المجلد | 104 |
ESSN | 1879-3150 |
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