Thermophiles:Their growth minimum is usually around 45 C and often have optima between 55 and 65C. Thermophile Example: Geobacillus Hyperthermophile Hyperthermophile Mesophile stearothermophilus Example: Example: Thermococcus celer Pyrolobus fumarii Example: 60° Escherichia coli 88° 106° Psychrophile 39° Example: Polaromonas vacuolata 0 10 20 30 40 50 60 70 80 90100 110 120 Temperature(C) 2012 Pearson Education,Inc
Thermophiles: Their growth minimum is usually around 45 C and often have optima between 55 and 65C. Facultative psychrophile
Hyperthermophiles:have growth optima at 80C or higher.They usually do not grow below 55C. Thermophile Example: Geobacillus Hyperthermophile Hyperthermophile stearothermophilus Example: Example: Mesophile Thermococcus celer Pyrolobus fumarii Example: 60° Escherichia coli 88° 106° Psychrophile 39° Example: Polaromonas vacuolata 4 0 10 20 3040 50 60 70 80 90100 110 120 Temperature(C) 2012 Pearson Education,Inc
Hyperthermophiles: have growth optima at 80C or higher. They usually do not grow below 55C. Facultative psychrophile
上泽充通大学 Shanghai Jiao Tong University 5.11 Microbial growth at cold temperatures 5.12 Microbial growth at high temperatures No.13 Shanghai Jiao Tong University
No.13 Shanghai Jiao Tong University 5.11 Microbial growth at cold temperatures 5.12 Microbial growth at high temperatures
A small superheated boiling spring in Yellowstone National Park. Temperature:1-2'C above the boiling point. Photo by FelixChenCN The mineral deposits: mainly silica and sulfur. Microorganisms: hyperthermophiles. Photo by FelixChenCN Shanghai Jiao Tong University
No.14 Shanghai Jiao Tong University A small superheated boiling spring in Yellowstone National Park. Temperature: 1–2˚C above the boiling point. The mineral deposits: mainly silica and sulfur. Microorganisms: hyperthermophiles
Thermophilic procaryotes have been reported growing in sulfide chimneys located along rifts and ridges on the ocean floor. Evidence has been presented that these microbes can grow and reproduce at 113 C
No.15 Shanghai Jiao Tong University Thermophilic procaryotes have been reported growing in sulfide chimneys located along rifts and ridges on the ocean floor. Evidence has been presented that these microbes can grow and reproduce at 113 C