NEWS

Protozoa aid Salmonella
Microbiologists with the U.S. Dept. of Agriculture’s Agricultural Research Service have learned that microscopic protozoa may actually help to spread Salmonella.

Throughout their lives, Salmonella may come in contact with the protozoan called Tetrahymena. The research shows that after Tetrahymena ingests a species of Salmonella known as Salmonella enterica, it cannot digest or destroy it; rather, the protozoa expel the Salmonella encased in pouches called food vacuoles. T…