The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 10, 2002
Filed:
Oct. 17, 1997
Applicant:
Inventors:
Michael John Gasson, Norfolk, GB;
Helen Mair Dodd, Norwich, GB;
Assignee:
Institute of Food Research, , GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 2/104 ; C12N 1/21 ; C12N 1/574 ; C07K 1/4195 ;
U.S. Cl.
CPC ...
C12P 2/104 ; C12N 1/21 ; C12N 1/574 ; C07K 1/4195 ;
Abstract
The invention provides a method for making a cell which does not contain a natural nisA gene but expresses a variant nisA gene, said method comprising the steps of providing a cell that contains a natural, chromosomal nisA gene and substituting the natural nisA gene or part thereof with a variant nisA gene at the chromosomal location of the natural nisA gene or part thereof. The invention further provided a process for producing variant nisin and cells for use in the same.