Temperature classes Psychrophiles:growth well at 0 C and have an optimum growth temperature of 15 C or lower;the maximum is around20C.嗜冷菌 Thermophile Example: Geobacillus Hyperthermophile Hyperthermophile stearothermophilus Example: Example: Mesophile Thermococcus celer Pyrolobus fumarii Example: 60° Escherichia coli 88° 106° yiMO5 Psychrophile 39° Example: Polaromonas vacuolata 0 10 20 30 40 50 60 70 80 90 100 110 120 Temperature(C) 2012 Pearson Education.Inc.Temperature classes Psychrophiles: growth well at 0 C and have an optimum growth temperature of 15 C or lower; the maximum is around 20 C.嗜冷菌