plasmid circular dna and escherichia coli bacteria

pathogen scattered microbiology biology science black background microbiome research colon microscope three dimensional microscopic magnification transmission infectious disease close-up coli rod shape parasitic flagellum medical condition food poisoning illness healthcare medicine scientific imaging technique swimming probiotic levitation plasmid circle dna genetic mutation purification modification cloning screening gene therapy escherichia coli flagella microbes pathogen microscopic shapes plasmid recombinant circular dna helix recombination transformation closeup round spiral resistance structure bacillus germs close 3d microorganism scattered microbiology biology rod-shaped probiotics science parasite pathogenic infection background escherichia magnifying disease microbiome group poisoning isolated enteric research view pathology