psychrophile | definition

  • a microorganism that grows best at cold temperatures
  • most have an optimum growth temperature of about 15 °C and can survive temperatures below 0 °C
  • most cannot survive temperatures above 20 °C


Parker, N., Schneegurt, M., Thi Tu, A.-H., Forster, B. M., & Lister, P. (n.d.). Microbiology. Houston, Texas: OpenStax. Access for free at:



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