Microorganisms engineered to produce phenol and its derivatives

David Nielsen (Inventor)

Research output: Patent


The market interest in biosynthesis of important commodity chemicals is steadily growing, driven by sustainability concerns and by increased environmental awareness. However, most production technologies rely on petroleum or food crops as feedstocks. Phenol is one such useful and versatile chemical, which is typically derived from petrochemical feedstocks; thus its market price is tightly correlated with that of crude oil. In the coming decades, it is hoped that materials made from renewable sources will gradually replace non-renewable petrochemical-based materials. Researchers at Arizona State University have developed novel enzymatic pathways and engineered microorganisms for the in vivo production of the building blocks phenol, catechol and cis,cis-muconic acid from renewable fermentable substrates. Using a single host microorganism, all three compounds can be produced with high levels of production. All of these products are highly useful for the synthesis of numerous chemical and polymer products. The ability to synthesize these chemicals, which are conventionally derived from non-renewable petrochemical resources, significantly contributes to the advancement and development of green and sustainable materials and products. Potential Applications Bioproduction of: Phenol Catechol Cis,cis-muconic acid Benefits and Advantages Uses inexpensive and sustainable resources for the substrates, such as carbohydrates and sugars High level production at high substrate yields Limited diversity and quantity of by-products Only one host microorganism needed for production of all three compounds Dowload Original PDF For more information about the inventor(s) and their research, please see Dr. Nielsen's laboratory webpage
Original languageEnglish (US)
StatePublished - Apr 4 2013


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