摘要:
A method comprising transforming Schizosaccharomyces pombe with a deletion cassette, constructed by four-round serial PCR, block PCR or total gene synthesis, containing a homologous recombination site is provided for preparing gene-targeted heterozygous deletion Schizosaccharomyces pombe. Also provided are gene-targeted hetero2ygous deletion Schizosaccharomyces pombe mutants prepared by the method, and a library of gene-targeted heterozygous deletion Schizosaccharomyces pombe mutants. Further, the library is useful in constructing a method and a kit for screening a drug's modes of action.