Production of HMOs using microbial hosts — from cell engineering to large scale production
2019
Human Milk Oligosaccharides (HMOs) constitute an important, highly abundant part of mothers’ milk delivering many health benefits to the neonate. Until recently, limited availability of HMOs has prevented their use in infant nutrition and impeded research into their biological effects. The shift from chemical synthesis to biotechnological manufacturing has made them accessible in quantities and at prices that are within reach for commercial applications, including infant formula. It accelerated the studies in the field of pre-clinical and clinical HMO biology. This review gives a short overview of HMO manufacturing from the design and optimization of the microbial cell factory and the production of HMOs in the industrial fermentation process to the purification in the downstream process necessary to obtain a final product. Moreover, the transition from chemistry to biotechnology and the current regulatory landscape and commercialization progress are briefly reviewed.
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