Deacetoxycephalosporin c-producing microorganism for 7-adca production with high concentration and high purity and production method using the same

A mutant Acremonium chrysogenum microorganism, comprising a polypeptide or a gene coding therefor, the polypeptide comprising:

• (1) a CefD protein of Streptomyces clavuligerus;
• and
• (2) a C-terminal fragment comprising 8 to 12 consecutive C-terminal amino acid residues of CefD1 protein of Acremonium chrysogenum,
• wherein the C-terminal fragment of CefD1 protein comprises peroxisome targeting signal 1 (PTS1) and is linked to the C-terminus of the CefD protein.