New insights into mechanisms of growth and beta-carotene production in Blakeslea trispora |
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Authors: | Böhme Karen Richter Christin Pätz Reinhard |
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Institution: | Biosynergy GmbH, Leipzig, Germany. karen.boehme@gmail.com |
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Abstract: | Blakeslea trispora (Mucorales) has economic importance because of its ability to produce large amounts of beta-carotene. To shed light on the actual point of induction and to shorten the following production process, germination and growth of its two mating types, (-) and (+), were observed separately, and the mating point was investigated in lab scale experiments. The (-) mating type showed much faster germination than the (+) type on solid medium and in Erlenmeyer flasks. However, after a first period, the (-) mating type grew clearly slower than the (+) type. In addition, the (-) type branched more vividly than the (+) type. A ratio of 30:1 of (-) and (+) type at an age of 20 h was found to achieve highest beta-carotene yields. Our results provide a comprehensive overview of Blakeslea trispora growth and its product synthesis. |
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