Many pathogenic bacteria exist in nature as multiple antigenic types or serotypes, meaning that they are variant strains of the same pathogenic species. For example, there are multiple serotypes of Salmonella enterica based on differences in cell wall (O) antigens and/or flagellar (H) antigens.any pathogenic bacteria exist in nature as multiple antigenic types or serotypes, meaning that they are variant strains of the same pathogenic species. For example, there are multiple serotypes of Salmonella enterica based on differences in cell wall (O) antigens and/or flagellar (H) antigens.
While not from the official/government source, there are reports that some Amish use GMO seeds â BT corn (From: BBC) and nicotine-free tobacco (From: Wired). Whatâs interesting, this BBC video actually shows a horse drawn carriage with a chemical cistern mounted on the top, used to spray chemicals on the fields.
Genetically engineered foods. Toggle: English / Spanish. Genetically engineered foods have had foreign genes (genes from other plants or animals) inserted into their genetic codes. Genetic engineering can be done with plants, animals, or bacteria and other microorganisms.We have bred plants and animals for thousands of years to produce the desired traits.enetically engineered foods have had foreign genes (genes from other plants or animals) inserted into their genetic codes.