Gist-brocades N.v.

Plant Genetic Systems N.v.

Rudolf Gm Luiten

Annemarie Eveline Veenstra

Willem Van Hartingsveldt

Petrus Andreas Van Paridon

Robert Fm Van Gorcom

Wilhemus J Quax

Gerardus Cornelius Selten

Nadir Mrabet

Gerardus Cm Selten

Paul W Schuurhuizen

A nucleotide sequence encoding phytase has been isolated and cloned. The coding sequence has been inserted into an expression construct which in turn has been inserted into a vector capable of transforming a microbial expression host. The transformed microbial hosts may be used to economically produce phytase on an industrial scale. The phytase produced via the present invention may be used in a variety of processes requiring the conversion of phytate to inositol and inorganic phosphate.

Cloning and expression of microbial phytase

Cloning and expression of phytase from aspergillus

New mutant glucose isomerases are provided exhibiting improved properties under application conditions. These glucose isomerases are obtained by expression of a gene encoding said enzyme, having an amino acid sequence which differs at least in one amino acid from the wildtype glucose isomerase. Preferred mutant enzymes are those derived from Actinoplanes missouriensis glucose isomerase.

Glucose isomerase enzymes and their use

Growing community of inventors

Leiden, Netherlands

Rudolf Gm Luiten