C - Chemistry – Metallurgy – 12 – P
Patent
C - Chemistry, Metallurgy
12
P
C12P 23/00 (2006.01) C12N 1/15 (2006.01) C12N 15/04 (2006.01) C12N 15/80 (2006.01) C12N 15/89 (2006.01)
Patent
CA 2110516
The present invention discloses intersexual heterozygous Phycomyces strains. These strains show an improved .beta.-carotene productivity and an increased stability when compared with both the wild type and heterokaryotic Phycomyces strains. The pres- ent invention also disclosed a method for obtaining Phycomyces transformants without using selection markers. Furthermore, a process is provided for producing .beta.-carotene comprising the use of intersexual heterozygous Phycomyces strains in a submerged culture.
Cerda-Olmedo Enrique
Koekman Bertus P.
Mehta Bina J.
Van Dijck Petrus W. M.
Dsm Ip Assets B.v.
Gist - Brocades N.v.
Osler Hoskin & Harcourt Llp
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