WEST LAFAYETTE, Ind. – Purdue University researchers have found that releasing a transgenic fish to the wild could damage native populations even to the point of extinction. A transgenic organism is ...

In both animal models, the results of this study indicated that the milk from the transgenic goats was impacting the growth of digestive-tract bacteria -- although with opposite results.

In the first, transgenic plant materials were fed to mice and the coliform bacteria isolated from their feces screened for the presence of antibiotic resistance genes originating from the plants.