Advances of Heterogeneous Expression of Antimicrobial Peptides in Bacteria Construction of the Expression Vectors of Tomato LeEIL1 and Their Expression in Engineering Strains Cell Model Construction of Regulated Hepatitis B Virus X Gene Expression Construction of a Recombinant Protein Expression System in Neurospora crassa Studies of Bacterially Expressed dsRNAs Targeting PRSV HC-Pro Gene Inducing Resistance to PRSV Molecular Cloning of Peanut Resveratrol Synthetic Enzyme 1(PNRS1) and its Expression in Prokaryote Cloning and Modification of 16S Promoter of Tobacco Chloroplast Genome and Production of Transgenic Plants Research Progress of Bacillus subtilis Expression System and Its Promoter Regulatory Elements Constuction the Pichia pastoris Expression System of Neuritin and Its Impacts on PC12 Cell Review on High-level Aspergillus niger Glucose Oxidase Production Engineering Strains A Chimeric Antigen Gene of Hepatitis C Virus was Introduced into Chloroplast of Tobacco & the Study of Transgenic Plant Homogenization Construction of the Expression Vectors of Tomato LeEIL1 and Their Expression in Engineering Strains