Genetic engineering of host organisms for pharmaceutical synthesis

Current Opinion in Biotechnology
Joseph H Collins, Eric M Young

Abstract

Pharmaceutical production hosts may be derived from almost any organism, from Chinese Hamster Ovary (CHO) cell lines to isolated actinomycetes. Each host can be improved, historically only through adaptive evolution. Recently, the maturation of organism engineering has expanded the available models, methods, and tools for altering host phenotypes. New tools like CRISPR-associated endonucleases promise to enable precise cellular reprogramming and to access previously intractable hosts. In this review, we discuss the most recent advances in engineering several types of pharmaceutical production hosts. These include model organisms, potential platform hosts with advantageous metabolism or physiology, specialized producers capable of unique biosynthesis, and CHO, the most widely used recombinant protein production host. To realize improved engineered hosts, an increasing number of approaches involving DNA sequencing and synthesis, host rewriting technologies, computational methods, and organism engineering strategies must be used. Integrative workflows that enable application of the right combination of methods to the right production host could enable economical production solutions for emerging human health treatments.

Citations

Aug 5, 2020·Molecular Biotechnology·Amjad Hayat KhanRahmah Noordin
Feb 23, 2020·Applied Microbiology and Biotechnology·Kulandai Arockia Rajesh PackiamBeng Ti Tey
Mar 7, 2021·Nature Communications·Joseph H CollinsEric M Young

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