Title |
Superior triacylglycerol (TAG) accumulation in starchless mutants of Scenedesmus obliquus: (II) evaluation of TAG yield and productivity in controlled photobioreactors
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Published in |
Biotechnology for Biofuels and Bioproducts, May 2014
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DOI | 10.1186/1754-6834-7-70 |
Pubmed ID | |
Authors |
Guido Breuer, Lenny de Jaeger, ValentinP G Artus, Dirk E Martens, Jan Springer, René B Draaisma, Gerrit Eggink, René H Wijffels, Packo P Lamers |
Abstract |
Many microalgae accumulate carbohydrates simultaneously with triacylglycerol (TAG) upon nitrogen starvation, and these products compete for photosynthetic products and metabolites from the central carbon metabolism. As shown for starchless mutants of the non-oleaginous model alga Chlamydomonas reinhardtii, reduced carbohydrate synthesis can enhance TAG production. However, these mutants still have a lower TAG productivity than wild-type oleaginous microalgae. Recently, several starchless mutants of the oleaginous microalga Scenedesmus obliquus were obtained which showed improved TAG content and productivity. |
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