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Berkeley, CA, United States

Santos C.N.S.,Manus Biosynthesis, Inc. | Regitsky D.D.,Calysta Energy Inc. | Yoshikuni Y.,Bio Architecture Laboratory Inc.
Nature Communications | Year: 2013

Evaluating the performance of engineered biological systems with high accuracy and precision is nearly impossible with the use of plasmids due to phenotypic noise generated by genetic instability and natural population dynamics. Minimizing this uncertainty therefore requires a paradigm shift towards engineering at the genomic level. Here, we introduce an advanced design principle for the stable instalment and implementation of complex biological systems through recombinase-assisted genome engineering (RAGE). We apply this concept to the development of a robust strain of Escherichia coli capable of producing ethanol directly from brown macroalgae. RAGE significantly expedites the optimal implementation of a 34 kb heterologous pathway for alginate metabolism based on genetic background, integration locus, copy number and compatibility with two other pathway modules (alginate degradation and ethanol production). The resulting strain achieves a ∼40% higher titre than its plasmid-based counterpart and enables substantial improvements in titre (∼330%) and productivity (∼1,200%) after 50 generations.


Patent
Bio Architecture Laboratory Inc. | Date: 2011-03-25

Methods, enzymes, recombinant microorganism, and microbial systems are provided for converting polysaccharides, such as those derived from biomass, into suitable monosaccharides or oligosaccharides, as well as for converting suitable monosaccharides or oligosaccharides into commodity chemicals, such as biofuels. Commodity chemicals produced by the methods described herein are also provided. Commodity chemical enriched, refinery-produced petroleum products are also provided, as well as methods for producing the same.


Patent
Bio Architecture Laboratory Inc. | Date: 2011-03-25

Methods, enzymes, recombinant microorganism, and microbial systems are provided for converting polysaccharides, such as those derived from biomass, into suitable monosaccharides or oligosaccharides, as well as for converting suitable monosaccharides or oligosaccharides into commodity chemicals, such as biofuels. Commodity chemicals produced by the methods described herein are also provided. Commodity chemical enriched, refinery-produced petroleum products are also provided, as well as methods for producing the same.


Patent
Bio Architecture Laboratory Inc. | Date: 2011-03-25

Methods, enzymes, recombinant microorganism, and microbial systems are provided for converting polysaccharides, such as those derived from biomass, into suitable monosaccharides or oligosaccharides, as well as for converting suitable monosaccharides or oligosaccharides into commodity chemicals, such as biofuels. Commodity chemicals produced by the methods described herein are also provided. Commodity chemical enriched, refinery-produced petroleum products are also provided, as well as methods for producing the same.


Patent
Bio Architecture Laboratory Inc. | Date: 2011-03-25

Methods, enzymes, recombinant microorganism, and microbial systems are provided for converting polysaccharides, such as those derived from biomass, into suitable monosaccharides or oligosaccharides, as well as for converting suitable monosaccharides or oligosaccharides into commodity chemicals, such as biofuels. Commodity chemicals produced by the methods described herein are also provided. Commodity chemical enriched, refinery-produced petroleum products are also provided, as well as methods for producing the same.

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