Isolation and molecular characterization of chitinase-deficient Bacillus licheniformis strains capable of deproteinization of shrimp shell waste to obtain highly viscous chitin

Article Abstract:

The isolation and phenotypic as well as molecular genetic, characterization of new chitinase-deficient Bacillus licheniformis strains able to efficiently deproteinate shrimp shell waste, eventually resulting in chitin of superior quality is described. According to the residual protein and ash content, the chitin, obtained by fermentation of such a mixed culture was found to be comparable to a commercially available, chemically processed product.

Genetic aspects, Chitin, Bacillus (Bacteria), Bacillus

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Incorporation of fungal cellulases in bacterial minicellulosomes yields viable, synergistically acting cellulolytic complexes

Article Abstract:

A bacterial dockerin was appended to the family of 6 fungal cellulase Cel6A, for subsequent incorporation into minicellulosomes in combination with various cellulosomal cellulases from Clostridium cellulolyticum. The results show that viable designer minicellulosomes can be produced that include free enzymes, fungal enzymes combined with bacterial enzymes and a new type of cellulase.

Microbial enzymes, Cellulose, Structure, Report

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