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:
Jun. 27, 2017
Filed:
Dec. 01, 2015
Applicants:
Saft Biotechnology Com. Ltd, Nanjing, CN;
Jenn-kan LU, New Taipei, TW;
Inventors:
Assignees:
Saft Biotechnology Com. Ltd., Nanjing, CN;
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07K 14/32 (2006.01); C12P 21/02 (2006.01); C12R 1/125 (2006.01); C12N 1/20 (2006.01);
U.S. Cl.
CPC ...
C12P 21/02 (2013.01); C07K 14/32 (2013.01); C12N 1/20 (2013.01); C12R 1/125 (2013.01); Y02P 20/582 (2015.11);
Abstract
Surfactin is produced fromssp. containing sfp gene (lipopeptide biosurfactants produced by fermentation). Production of surfactin at present is mainly by liquid fermentation, but the production costs are high due to difficulty in purification resulted from addition of the defoaming agent during the production process. Therefore, present invention conducts physical or chemical mutation onsubsp. isolated from Thailand seawater shrimp ponds and screens for the mutant strain ofsubsp. based on sfp gene expression and then produces surfactin from the mutant strain by semi-solid state fermentation.