Temperature Requirements Mesophile 37C(Pathogenic bacteria) Thermophiles Hot spring, hot tubs-public Heat Resistant Enzymes in PCR Tag dNA polymerase) ° Psychrophiles Cold food(growth in transit) Listeria grows in hot dogsTemperature Requirements • Mesophile 37℃ (Pathogenic bacteria) • Thermophiles – Hot spring, hot tubs-public – Heat Resistant Enzymes in PCR (Tag DNA polymerase) • Psychrophiles – Cold food (growth in transit) – Listeria grows in hot dogs