We propose the creation of an Engineering Biology Hub for Microbial Foods. The aim of the Hub is to harness the joint potential of two important scientific fields - engineering biology and microbial foods - in order to transform our existing food production system into one that is better for the environment, more resilient to climatic or political shocks, and that gives consumers healthier and tastier products. Background: Current food systems are unsustainable. Traditional farming and agriculture contribute significantly to climate change, and this is exacerbated by the alarming levels of food waste. Damage to the planet is mirrored by impacts on human health: a significant portion of the global population suffers malnutrition, while diseases linked to ultra-processed and high-calorie diets continue to rise. The way we produce and consume food has to change, and to change quickly if we are to have any chance of meeting targets for clean growth. Microbial foods - produced by microorganisms like yeast and fungi - offer a way to make this urgently needed transformation. Microbial foods are produced using different types of fermentation, with this process employed to produce large quantities of protein and other nutrients (biomass fermentation), to modulate and process plant and animal-derived products (traditional fermentation) or to produce new food ingredients (precision fermentation). Microbes grow rapidly, don't need large amounts of land or water to grow, and can use food by-products ('food waste') as feedstocks. In addition, microbial foods are less affected by adverse weather and can be produced locally - reducing transport costs, carbon footprint, and our dependence on food imports. Engineering biology applies engineering principles to biology, enabling scientists to build and manufacture novel biological systems and products. Tools from engineering biology have recently been applied to optimise microbial food production, and microbes can now be manipulated to be more productive, tastier and more nutritious. Applying engineering biology to microbial foods has the potential to radically change the way food is produced, and this creates an important and timely opportunity to address some of the most critical health and sustainability challenges of our time. The Hub: The first of its kind in the world, the new Hub will build on the UK's world-leading expertise and facilities in engineering biology and microbial foods. It will bring together academics, industrial partners, food organisations and consumers in a wide-ranging and ambitious programme of work that creates a clear route from scientific research to new food products on the shelf. At the heart of the Hub's activity will be eleven research projects, each addressing a separate challenge that needs to be overcome if large-scale production of diverse microbial food products is to be achieved. Project will use cutting-edge engineering biology methods, and will benefit from the Hub's additional focus on education, regulation and commercialisation, to ensure research outputs are translated into meaningful benefits. Overall, our objectives are : - To advance research into how engineering biology can be used to produce microbial foods - To develop new capabilities for developing microbial foods using engineering biology - To open new routes for this research to benefit human health and environmental sustainability Meeting these objectives will establish the Hub as an internationally-recognised reference for research, innovation and translation in the application of engineering biology to microbial foods - demonstrating UK leadership in this field, attracting the best global talent, and delivering more sustainable, productive, resilient and healthy food systems.

Bioactive natural products are of great biotechnological, biomedical, environmental and economic importance. For this reason, a large number of companies and academic groups are interested in using biosynthetic pathways derived from microorganisms to manufacture natural products. However, the production and purification of such products can be expensive, sometimes prohibitively so, and therefore maximising the productivity of the pathways is a major priority. The general aim of this project is to develop a combined computational and experimental strategy for optimising the productivity of microbial biosynthetic pathways, focusing on the Generally Regarded As Safe (GRAS) organism S cerevisiae, i.e. baker's yeast. A wide range of microbial pathways that make useful bioactive molecules can be imported at a genetic level into yeast. However, these pathways often have poor yields, which is a problem for a company that wants to manufacture a valuable product via an economically viable process. We therefore want to establish a set of rules how to optimise biosynthetic pathways in yeast, thus enabling the wider scientific and commercial community to maximise the productivity of these pathways in an efficient and predictable way. We are particularly interested in creating easy-to-use 'packages' of experimental and computational tools that can be utilised by small- to medium- sized commercial entities, since these are often constrained in terms of the amount of resources that they can dedicate to implementing new technologies. At the same time, we believe that our overall strategy will potentially benefit any industrial or academic team interested in producing bioactive molecules efficiently. In order to develop and apply our methods, we will focus on a model pathway, in this case a pathway that makes the polyketide molecule bikaverin. We will assemble a very large number of variants of the gene cluster that codes for the bikaverin pathway enzymes using synthetic DNA fragments. The performance of the resulting gene cluster variants will be analysed on a robotic platform once the variants have been introduced into yeast. This automation will greatly accelerate the process of comparing the performance of the different variants. The analytical data obtained through the above experimental procedures will be fed into an advanced new computational model, thus enhancing our understanding of how best to maximise the overall activity of the bikaverin pathway. The model will accordingly evolve as a result of this strategy, ultimately acting as a source of insight into how to design other biosynthetic pathways in order to maximise performance in the future.

To secure a continued supply of safe, tasty, affordable and functional/healthy proteins while supporting Net Zero goals and future-proofing UK food security, a phased-transition towards low-emission alternative proteins (APs) with a reduced reliance on animal agriculture is imperative. However, population-level access to and acceptance of APs is hindered by a highly complex marketplace challenged by taste, cost, health and safety concerns for consumers, and the fear of diminished livelihoods by farmers. Furthermore, complex regulatory pathways and limited access to affordable and accessible scale-up infrastructure impose challenges for industry and SMEs in particular. Synergistic bridging of the UK's trailblazing science and innovation strengths in AP with manufacturing power is key to realising the UK's ambitious growth potential in AP of £6.8B annually and could create 25,000 jobs across multiple sectors. The National Alternative Protein Innovation Centre (NAPIC), a cohesive pan-UK centre, will revolutionise the UK's agri-food sector by harnessing our world-leading science base through a co-created AP strategy across the Discovery?Innovation?Commercialisation pipeline to support the transition to a sustainable, high growth, blended protein bioeconomy using a consumer-driven approach, thereby changing the economics for farmers and other stakeholders throughout the supply chain. Built on four interdisciplinary knowledge pillars, PRODUCE, PROCESS, PERFORM and PEOPLE covering the entire value chain of AP, we will enable an efficacious and safe translation of new transformative technologies unlocking the benefits of APs. Partnering with global industry, regulators, investors, academic partners and policymakers, and engaging in an open dialogue with UK citizens, NAPIC will produce a clear roadmap for the development of a National Protein Strategy for the UK. NAPIC will enable us to PRODUCE tasty, nutritious, safe, and affordable AP foods and feedstocks necessary to safeguard present and future generations, while reducing concerns about ultra-processed foods and assisting a just-transition for producers. Our PROCESS Pillar will catalyse bioprocessing at scale, mainstreaming cultivated meat and precision fermentation, and diversify AP sources across the terrestrial and aquatic kingdoms of life, delivering economies of scale. Delivering a just-transition to an AP-rich future, we will ensure AP PERFORM, both pre-consumption, and post-consumption, safeguarding public health. Finally, NAPIC is all about PEOPLE, guiding a consumers' dietary transition, and identifying new business opportunities for farmers, future-proofing the UK's protein supply against reliance on imports. Working with UK industry, the third sector and academia, NAPIC will create a National Knowledge base for AP addressing the unmet scientific, commercial, technical and regulatory needs of the sector, develop new tools and standards for product quality and safety and simplify knowledge transfer by catalysing collaboration. NAPIC will ease access to existing innovation facilities and hubs, accelerating industrial adoption underpinned by informed regulatory pathways. We will develop the future leaders of this rapidly evolving sector with bespoke technical, entrepreneurial, regulatory and policy training, and promote knowledge exchange through our unrivalled international network of partners across multiple continents including Protein Industries Canada and the UK-Irish Co-Centre, SUREFOOD. NAPIC will provide a robust and sustainable platform of open innovation and responsible data exchange that mitigates risks associated with this emerging sector and addresses concerns of consumers and producers. Our vision is to make "alternative proteins mainstream for a sustainable planet" and our ambition is to deliver a world-leading innovation and knowledge centre to put the UK at the forefront of the fights for population health equity and against climate change.