what risks are associated with the release of engineered bacteria?
['New Allergens in the Food Supply. ... ', 'Antibiotic Resistance. ... ', 'Production of New Toxins. ... ', 'Concentration of Toxic Metals. ... ', 'Enhancement of the Environment for Toxic Fungi. ... ', 'Unknown Harms. ... ', 'Gene Transfer to Wild or Weedy Relatives. ... ', 'Change in Herbicide Use Patterns.']