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Combining Phages with CRISPR for Ecological Vaccination

Kevin Esvelt of President and Fellows of Harvard College in the U.S. will use CRISPR technology to make protective healthy bacteria resistant to phage so they can outcompete pathogenic bacteria that cause childhood diarrhea and stunting. He will develop a method to make the protective Nissle 1917 strain of E. coli resistant to a range of phage, and use it to replace native E. coli strains in the guts of young mice as a model for human infants. This approach will provide long-term protection against pathogenic bacterial infections at low cost.

More information about Addressing Newborn and Infant Gut Health Through Bacteriophage-Mediated Microbiome Engineering (Round 15)

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View the Grand Challenges partnership network

The Bill & Melinda Gates Foundation is part of the Grand Challenges partnership network. Visit grandchallenges.org to view the map of awarded grants across this network and grant opportunities from partners.