ArticleApplied microbiology and biotechnology2024
Performance insights into spray-dryer microencapsulated Bacillus thuringiensis cry pesticidal proteins with gum arabic and maltodextrin for effective pest control.
Article in Applied microbiology and biotechnology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
What it found
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Who cites it
5 citing papers in PubMed, 9 citations in OpenAlex.
- DecodingPlants (Basel, Switzerland) · 2026Review
- Photothermal Resilience of Biopolymer-Based Btk Microcapsules: Implications for Sustainable Pest Control.ACS omega · 2026Article
- Enhancement of the Physicochemical Properties of Brazilian Red Propolis Using Gelucire-Based Microencapsulation.ACS omega · 2026Article
- Low-Frequency Ultrasound Assisted in Improvement in Cell Development and Production of Parasporal Crystals fromInsects · 2025Article
- Enhancing UV radiation protection of Bacillus thuringiensis formulations using sulfur quantum dots: synthesis and efficacy evaluation.Scientific reports · 2024Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
Abstract
Bacillus thuringiensis (Bt) produces crystals composed mainly of Cry pesticidal proteins with insecticidal activity against pests but are highly susceptible to degradation by abiotic factors. In this sense, encapsulation techniques are designed to improve their performance and lifetime. However, the effects of polymeric matrix encapsulation such as gum arabic and maltodextrin by spray-dryer in the mechanisms of action of Bt kurstaki and Bt aizawai are unknown. We analyzed crystal solubilization, protoxin activation, and receptor binding after microencapsulation and compared them with commercial non-encapsulated products. Microencapsulation did not alter protein crystal solubilization, providing 130 kDa (Cry1 protoxin) and 70 kDa (Cry2 protoxin). Activation with trypsin, chymotrypsin, and larval midgut juice was analyzed, showing that this step is highly efficient, and the protoxins were cleaved producing similar ~ 55 to 65 kDa activated proteins for both formulations. Binding assays with brush border membrane vesicles of Manduca sexta and Spodoptera frugiperda larvae provided a similar binding for both formulations. LC
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Registered trials
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