Bacterium carrying a cloned Bt-gene could help millions infected with roundworms

Intestinal nematodes and roundworms infect more than one billion people worldwide, leading to malnutrition and developmental problems. Now a team of researchers has successfully inserted the gene for a naturally-occurring, insecticidal protein called Bt into a harmless bacterium, which could be incorporated into dairy products, or used as a probiotic to deliver the protein to the intestines of people afflicted with roundworms.

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