Membrane transporter engineering in industrial biotechnology and whole cell biocatalysis

Douglas Kell, Neil Swainston, P Pir, SG Oliver

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Because they mainly do not involve chemical changes, membrane transporters have been a Cinderella subject in the biotechnology of small molecule production, but this is a serious oversight. Influx transporters contribute significantly to the flux towards product, and efflux transporters ensure the accumulation of product in the much greater extracellular space of fermentors. Programmes for improving biotechnological processes might therefore give greater consideration to transporters than may have been commonplace. Strategies for identifying important transporters include expression profiling, genome-wide knockout studies, stress-based selection, and the use of inhibitors. In addition, modern methods of directed evolution and synthetic biology, especially those effecting changes in energy coupling, offer huge opportunities for increasing the flux towards extracellular product formation by transporter engineering.
    Original languageEnglish
    Pages (from-to)237-246
    JournalTrends in Biotechnology
    Volume33
    Issue number4
    DOIs
    Publication statusPublished - Mar 2015

    Keywords

    • drug transporters; biotechnology; stress tolerance; flux improvements; GWAS

    Research Beacons, Institutes and Platforms

    • Manchester Institute of Biotechnology

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