Cryobiological Perspectives on the Cold Adaptation of Polar Organisms
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- Cryobiological Perspectives on the Cold Adaptation of Polar Organisms
- Other Titles
- 극지 생물의 저온적응 기작과 저온 생물학적 응용 연구
- Seo, Ki-Weon
Kim, Hak Jun
Hong, Sung Soo
- cold adaptation; cryobiology; cryopreservation; psychrophile
- Issue Date
- Seo, Ki-Weon, et al. 2007. "Cryobiological Perspectives on the Cold Adaptation of Polar Organisms". Korea Institute of Ocean Science & Technology, 29(3): 263-271.
- The survival strategies of polar organisms at permanently or extremely cold temperatures and their application to cryobiology were reviewed here. In addition, ongoing studies on psychrophiles also were described. Psychrophiles are extremophiles that can grow and reproduce in cold temperatures, typically at -10 to 20oC. These organisms developed various mechanisms of adaptation to extremely cold environments. Polar organisms cope with these extreme physicochemical conditions using strategies such as avoidance, protection and partnership with other organisms. Understanding on the strategies adopted by polar organisms may provide insight on the physiological process that cells can go through during freezing. Cryopreservation may be able to take advantage of the findings described above. Currently, genomes of many cold-loving organisms have been sequenced and comparative genomics has revealed, at a molecular level, the characteristics of these organisms. The investigation of microorganisms on the polar glaciers may expand our understanding on the origin of life on Earth and other planets.
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