Research on the Screening of High-Nisin-yield Strains by UV mutation;

From these yeast trains,which can be easy attained in own laboratory,60 strains were screened through UV mutation using 96-well plates high throughput screening(HTS).

Through UV mutation,we got the mutant BU-215 whose productivity of ε-polylysine was 0.

Screening of low higher-alcohols and diacetyl producing Saccharomyces cerevisiae strain with ultraviolet mutagenesis;

The study of growth characteristics of lysogeny streptococcus thermophilus before and after ultraviolet mutagenesis;

In this study,a mutant strain with higher laccase production was obtained from a wild one of white rot fungi by ultraviolet mutagenesis.

Breeding on the Strain of Tricholoma matsutake Tm-3 with Uv-irradiation;

Breeding of aerobic denitrifier of high nitrogen-removal by UV-irradiation;

Its protoplasts were mutated by UV-irradiation and then regenerated by two cycles of screening.

The UV mutagenesis of DS 9701 and screening of mutant strain with high yield of PHB depolymerase;

Protoplast formation,regeneration and UV mutagenesis of natamycin producing Streptomyces gilvosporeus;

Lysogeny detection of lactic acid bacteria and analysis on protein expression of lysogenic strain after UV mutagenesis;

Screening of a high γ-aminobutyric acid-producing Aspergillus oryzae,ultraviolet mutation and studies on fermentation conditions;

A strain for producing γ-decanolactone was obtained by composite mutation (ultraviolet mutation and chemical mutation).

In order to improve the lipase activity of the Rhizopus oryzae strain which is used for producing biodiesel fuel,ultraviolet mutation is employed in this research.