Metabolic engineering of Basfia succiniciproducens for the production of carbon-three compounds (Band 7)
| Autor: | Fabarius, Jonathan Thomas |
|---|---|
| EAN: | 9783736999138 |
| Sachgruppe: | Biologie |
| Sprache: | Englisch |
| Seitenzahl: | 144 |
| Produktart: | Kartoniert / Broschiert |
| Veröffentlichungsdatum: | 06.12.2018 |
| Schlagworte: | Biologie / Mikrobiologie Biowissenschaften Life Sciences Mikrobiologie - Mikroorganismus Virologie Virus - Virologie |
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Beschreibung The recent rise of bio-succinic acid as an industrial platform chemical has brought the rumen bacterium Basfia succiniciproducens, a natural producer of this organic acid, into the focus of research. This work investigated the potential of B. succiniciproducens for the production of carbon-three chemicals from sugars. Beside the optimization of improved genetic tools, the C3 chemicals alanine, ¿-alanine and 3-hydroxypropionate (3-HP) were targeted. A new alanine producer, B. succiniciproducens ALA-1, exhibited good performance in the bioprocess. The next step demonstrated the proof-of-concept for ¿-alanine synthesis using the heterologous expression of aspartate 1 decarboxylase genes from Corynebacterium glutamicum or Vibrio natriegens. The expression of two additional genes enabled the de novo synthesis of up to 100 mg L-1 3-HP from glucose.