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Screening and characterization of astaxanthin-hyperproducing mutants of Haematococcus pluvialis
Yong Chen1, Defa Li, Wenqing Lu
1National Feed Engineering Technology Research Center, China Agricultural University, Beijing 100094, P.R. China.
Biotechnology Letters
|July 29, 2003
Abstract:
Haematococcus pluvialis was mutated by UV or ethyl methanesulphonate. Mutants resistant to nicotine, diphenylamine, fluridone or norflurazon were then selected. Several nicotine-resistant mutants showed increased (1.9% to 2.5% vs. 1.2% w/w) astaxanthin production. Mutants maintained high astaxanthin production over 4 months of repeated culture.
