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Engineering Microbial Cell Factories for Sustainable Production of Medium-Chain Fatty Acids (MCFAs)
Secondary Supervisor(s): Professor Dylan Owen
University of Registration: University of Birmingham
BBSRC Research Themes:
Project Outline
Sustainable manufacturing requires sourcing biomolecules from renewable resources rather than finite petrochemicals or ecologically damaging crops. Medium-chain fatty acids (MCFAs) are high-value compounds used in biofuels, food additives, surfactants, lubricants, antimicrobials, and herbicides. The global MCFA market, valued at USD 1.45 billion in 2024, is projected to reach USD 2.23 billion by 2033, reflecting increasing industrial demand and the need for sustainable production strategies.
Microbial synthesis is a promising alternative, but conventional hosts struggle to achieve competitive yields because they are not evolutionarily adapted to high-level MCFA production or tolerance. We recently identified Schizosaccharomyces japonicus, a unique yeast that naturally produces and withstands high MCFA concentrations as part of its adaptation to anaerobic environments. This PhD project aims to develop S. japonicus into a next-generation biotechnology platform using a combination of metabolic engineering, proteomics, and laboratory evolution.
You will investigate the genetic, proteomic, and biochemical mechanisms of MCFA synthesis, degradation, and trafficking, using techniques such as CRISPR-based genome editing, lipidomics, quantitative proteomics, microscopy, gas chromatography–mass spectrometry, and adaptive laboratory evolution. Integrated multi-omics analyses (transcriptomics, proteomics, metabolomics, and lipidomics) will guide rational strain engineering to enhance MCFA yields and streamline extraction strategies.
This interdisciplinary project provides advanced training in molecular biology, systems biology, and biotechnology, preparing you for careers in academic or industrial research. By exploiting S. japonicus’ unique adaptations, this work aims to create sustainable microbial “cell factories” capable of replacing petroleum-based production routes, addressing urgent environmental and economic challenges.