Polynucleotide molecule from Haematococcus pluvialis encoding a polypeptide having a beta-C-4-oxygenase activity for biotechnological production of (3S,3'S) astaxanthin and its specific expression in chromoplasts of higher plants
申请人:——
公开号:US20020053096A1
公开(公告)日:2002-05-02
The present invention relates, in general, to a biotechnological method for production of (3S,3′S) astaxanthin. In particular, the present invention relates to a peptide having a &bgr;-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,3′S) astaxanthin or a food additive containing (3S,3′S) astaxanthin, using the host.
本发明总体上涉及一种生产(3S,3′S)虾青素的生物技术方法。具体而言,本发明涉及一种具有&bgr;-C-4-氧化酶活性的肽;编码该肽的DNA片段;编码该肽的RNA片段;包含载体和DNA片段的重组DNA分子;含有上述重组DNA分子或DNA片段的宿主细胞或生物体;以及利用该宿主以生物技术生产(3S,3′S)虾青素或含有(3S,3′S)虾青素的食品添加剂的方法。