| abstract |
According to this invention, a process for producing a useful substance using a microorganism which lacks a part or the whole of a gene in chromosomal DNA encoding a protein having an amino acid sequence shown in SEQ ID NO: 1 or a gene encoding a protein having 80% or more, preferably 90% or more, more preferably 95% or more, further more preferably 97% or more, particularly preferably 98% or more, most preferably 99% or more homology with the amino acid sequence shown in SEQ ID NO: 1 is provided. |