C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/55 (2006.01) A23K 1/165 (2006.01) C12N 1/15 (2006.01) C12N 9/16 (2006.01) C12N 15/80 (2006.01)
Patent
CA 2141431
2141431 9403072 PCTABS00030 A recombinant combination strain which is capable of over-expressing at least two different genes under two separate promoters in filamentous fungi. The genes encode phytase and pH 2.5 acid phosphatase. GA- and GAPDH-promoters are preferably used. Mixtures containing desired ratios of the two enzymes are prepared by recombinant DNA techniques. The enzyme mixture shows a cooperative effect in the degradation of phytic acid and its salts. Preferred ratios of the two enzymes are about 3:1 to about 16:1. The DNA sequences were isolated from a wild-type Aspergillus niger ALKO243 (ATCC#38854).
Cantrell Michael A.
Fagerstrom Richard B.
Houston Christine S.
Miettinen-Oinonen Arja S. K.
Nevalainen Helena K. M.
Alko Group Limited
Panlabs Incorporated
Rohm Enzyme Finland Oy
Smart & Biggar
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