POLYNUCLEOTIDE MOLECULE FROM HAEMATOCOCCUS PLUVIALIS ENCODING A POLYPEPTIDE HAVING A -C-4-OXYGENASE ACTIVITY FOR BIOTECHNOLOGICAL PRODUCTION OF (3S,3'S) ASTAXANTHIN AND ITS SPECIFIC EXPRESSION IN CHROMOPLASTS OF HIGHER PLANTS
   
   

The present invention relates, in general, to a biotechnological method for production of (3S,3S) astaxanthin. In particular, the present invention relates to a peptide having a -C-4-oxygenase activity; a DNA segment coding for this peptide; an RNA segments coding for this peptide; a recombinant DNA molecule comprising a vector and the DNA segment; a host cell or organism containing the above described recombinant DNA molecule or DNA segment; and to a method of biotechnologically producing (3S,3S) astaxanthin or a food additive containing (3S,3S) astaxanthin, using the host.

 
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