'current Bacillus subtilis Bacterial Proteins Bacteriology Cultivation Cultivation conditions Enzymes Escherichia coli Expression vectors Forecasting Gene Expression Regulation Gene expression Industrial enzymes Machine Learning Molecular tools Overexpressions Performance Recombinant Proteins Recombinant expression Recombinant gene expressions Recombinant protein expression Recombinant proteins bacterial protein gene expression regulation genetics machine learning recombinant protein