The paper investigates the effect of high hydrostatic pressure treatment(100 MPa,200 MPa,300 MPa,400 MPa and 500 MPa) under the temperature of 25℃ with the dwell time of 15 min on the plasmid pMD-18 DNA extracting from Escherichia coli DH5α.

The function study on trichlorobenzene degradation by plasmid pT7;

Relationship between sauce-flavor aroma and plasmid containing of 2 sauce-flavor producing Bacillus subtilis strains;

Construction and identification of nine single-point mutant recombinant plasmids of phenylalanine hydroxylase gene;

Construction and identification of recombinant plasmids with prostate specific antigen enhancer and promoter in gene expression regulation;

Construction of human La protein mutant plasmids and expression,purification of human La protein and its mutants;