The mode of action of the Bacillus thuringiensis vegetative insecticidal protein Vip3A differs from that of Cry1Ab sigma-endotoxin

Article Abstract:

The authors have studied insecticidal protein Vip3A secreted by Bacillus thuringiensis during the growth. The protein's mode of action has been investigated via the use of Cry1Ab protein for comparison, and the results have demonstrated that Vip3A shares the same sigma-endotoxin with Cry1Ab but utilizes different molecular targets and forms distinct ion channels.

Comparative analysis, Growth, Bacillus thuringiensis, Endotoxins, Secretion, Ion channels, Microbial populations, Microbiological research, Company growth

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An exocellular protein from the oil-degrading microbe Acinetobacter venetianus RAG-1 enhances the emulsifying activity of the polymeric bioemulsifier emulsan

Article Abstract:

Research has been conducted on bioemulsifier emulsan produced by oil-degradong microbe Acinetobacter venetianus. Results demonstrate that protein fraction of emulsan complex can be replaced with the wild-type esterase recombinant or with mutant esterases with defective catalytic activity.

Israel, Drugs, Cellular Protein, In-Vitro Diagnostic Substance Manufacturing, All Other Miscellaneous Chemical Product and Preparation Manufacturing, Chemical preparations, not elsewhere classified, Surface active agents, Surface Active Agent Manufacturing, Emulsifiers, Biodegradation, Cellular proteins, Emulsifiers (Colloids)

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In vivo tracking of Campylobacter jejuni by using a novel recombinant expressing green fluorescent protein

Article Abstract:

Research has been conducted on Campylobacter jejuni outer membrane protein. The authors describe the construction of a plasmid-based reporter system with the gene expressed at high levels with the promoter for this protein.

Analysis, Campylobacter, Fluorescence, Gene expression

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