pseudomonas aeruginosa bacteria on cled agar petri dish on white background, cysteine lactose electrolyte deficient

aeruginosa analysis background bacteria bacteriology bacterium biotechnology catalase cells citrate colonies contamination culture danger discovery disease dish examination experimental experiments germs glass growth health hygiene isolated lab laboratory life media medical medicine microbial microbiology microorganism organism oxidase pathological petri plate positive pseudomonas research risk safety sanitation science scientific sickness technology tests toxic white