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:
Apr. 16, 2002
Filed:
Sep. 06, 2000
Applicant:
Inventors:
James D. Jones, Chicago, IL (US);
Thomas M. Hohn, Chapel Hill, NC (US);
Timothy D. Leathers, Peoria, IL (US);
Assignee:
The United States of America, as represented by the Secretary of Agriculture, Washington, DC (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C12N 1/15 ; C12N 1/580 ; C12N 1/21 ; C12P 1/02 ; C12P 2/106 ;
U.S. Cl.
CPC ...
C12N 1/15 ; C12N 1/580 ; C12N 1/21 ; C12P 1/02 ; C12P 2/106 ;
Abstract
The instant invention is drawn towards transformed strains of effective for the production of B-carotene. The transformed strains comprise an expression cassette having four genes encoding, respectively, geranylgeranyl-pyrophosphate synthase, phytoene synthase, phytoene desaturase and lycopene cyclase (i.e. Tri5crtE, Tri5crtB, TriScrtI and CrtY). The transformed strains of of the instant invention produce B-carotene at levels of up to 3-4 milligrams per gram of fungus (dry weight).