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Insecticidal Activity of Bacillus thuringiensis Proteins Against Coleopteran Pests

1
Institute for Multidisciplinary Research in Applied Biology-IMAB, Universidad Pública de Navarra, 31192 Mutilva, Navarra, Spain
2
Bioinsectis SL, Avda Pamplona 123, 31192 Mutilva, Navarra, Spain
3
Departamento de Genética/ERI BioTecMed, Universitat de València, Burjassot, 46100 València, Spain
4
Departamento de Ciencias, Universidad Pública de Navarra, 31006 Pamplona, Spain
*
Author to whom correspondence should be addressed.
Toxins 2020, 12(7), 430; https://doi.org/10.3390/toxins12070430
Received: 4 June 2020 / Revised: 25 June 2020 / Accepted: 25 June 2020 / Published: 29 June 2020
Bacillus thuringiensis is the most successful microbial insecticide agent and its proteins have been studied for many years due to its toxicity against insects mainly belonging to the orders Lepidoptera, Diptera and Coleoptera, which are pests of agro-forestry and medical-veterinary interest. However, studies on the interactions between this bacterium and the insect species classified in the order Coleoptera are more limited when compared to other insect orders. To date, 45 Cry proteins, 2 Cyt proteins, 11 Vip proteins, and 2 Sip proteins have been reported with activity against coleopteran species. A number of these proteins have been successfully used in some insecticidal formulations and in the construction of transgenic crops to provide protection against main beetle pests. In this review, we provide an update on the activity of Bt toxins against coleopteran insects, as well as specific information about the structure and mode of action of coleopteran Bt proteins.
Keywords: Bacillus thuringiensis proteins; coleopteran pests; insecticidal activity; structure; mode of action Bacillus thuringiensis proteins; coleopteran pests; insecticidal activity; structure; mode of action
MDPI and ACS Style

Domínguez-Arrizabalaga, M.; Villanueva, M.; Escriche, B.; Ancín-Azpilicueta, C.; Caballero, P. Insecticidal Activity of Bacillus thuringiensis Proteins Against Coleopteran Pests. Toxins 2020, 12, 430.

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