Psychrophilic Diatoms

Mechanisms for Survival in Freeze–Thaw Cycles
  • Thomas Mock
  • Karen Junge
Part of the Cellular Origin, Life in Extreme Habitats and Astrobiology book series (COLE, volume 11)

Diatoms are unicellular microalgae that contribute to 20% of the global carbon fixation. This is as much as the carbon fixed by all tropical rainforests combined (Armbrust et al., 2004). Diatoms are found all over the globe, in freshwater and seawater, in hot and cold habitats. Their most distinctive feature is a silicified cell wall (termed frustule) made of hydrated amorphous silica and a small amount of organic material (sugar). The architecture of the frustule is based on silica patterns that are structured on a nano-to-micrometer scale. These nano-patterns can vary from species to species, creating unique morphotypes that are used as taxonomic keys


Antifreeze Protein Snow Mold Polar Biol Brine Channel Brine Volume 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer 2007

Authors and Affiliations

  • Thomas Mock
    • 1
  • Karen Junge
    • 2
  1. 1.School of OceanographyUniversity of WashingtonWashingtonUSA
  2. 2.Department of Earth and Space SciencesUniversity of WashingtonWashingtonUSA

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