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Exploiting the Feedstock Flexibility of the Emergent Synthetic Biology Chassis for Engineered Natural Product Production

Overview
Journal Mar Drugs
Publisher MDPI
Specialties Biology
Pharmacology
Date 2019 Dec 6
PMID 31801279
Citations 19
Authors
Affiliations
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Abstract

A recent goal of synthetic biology has been to identify new chassis that provide benefits lacking in model organisms. is a marine Gram-negative bacterium which is an emergent synthetic biology chassis with inherent benefits: An extremely fast growth rate, genetic tractability, and the ability to grow on a variety of carbon sources ("feedstock flexibility"). Given these inherent benefits, we sought to determine its potential to heterologously produce natural products, and chose beta-carotene and violacein as test cases. For beta-carotene production, we expressed the beta-carotene biosynthetic pathway from the sister marine bacterium , as well as the mevalonate biosynthetic pathway from the Gram-positive bacterium to improve precursor abundance. Violacein was produced by expressing a biosynthetic gene cluster derived from . Not only was able to heterologously produce these compounds in rich media, illustrating its promise as a new chassis for small molecule drug production, but it also did so in minimal media using a variety of feedstocks. The ability for to produce natural products with multiple industrially-relevant feedstocks argues for continued investigations into the production of more complex natural products in this chassis.

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