Dutch consortium tests making microbes clump together to unlock continuous precision fermentation

What Happened

The ECOFERM consortium (NIZO, Biotechnology Fermentation Factory, DAB.bio, Vivici, dsm-firmenich and Van Hall Larenstein) is testing whether encouraging microbes to clump together can keep them inside the bioreactor while product is drawn off. The work uses beta-lactoglobulin, the main whey protein, as the model product and runs on DAB.bio's FAST reactor, funded by the Dutch TKI Agri & Food programme. Budget and duration have not been disclosed.

Why It Matters

Precision fermentation still mostly runs fed-batch, with tank cleaning and sterilization between runs and energy-hungry filtration or centrifugation to separate cells. Continuous operation is widely seen as a necessary next step for the field to mature and for ingredient costs to fall.

Instead of filtering the cells out, teach them to stay put.

FET's Takeaway

Holding biomass in the reactor by clumping, instead of by membranes or centrifuges, moves the cell-retention problem from downstream equipment into the biology itself. Whether clumps stay productive and keep the broth easy to process over long runs is the question this trial has to answer, and Vivici's whey-protein (BLG) work makes it a dairy-relevant test.