Extreme Tolerance.

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  • Author(s): Hadhazy, Adam (AUTHOR)
  • Source:
    Natural History. Feb2024, Vol. 132 Issue 2, p7-7. 1/2p. 1 Color Photograph.
  • Additional Information
    • Subject Terms:
      THERMAL tolerance (Physiology); SEA anemones; UNSATURATED fatty acids
    • Abstract:
      This article from Natural History discusses the extreme tolerance of vent sea anemones, specifically Alvinactis idsseensis sp. nov., which have adapted to life in deep-sea hydrothermal vents. These anemones thrive in conditions that include heavy-metal-laced waters, crushing pressure, and perpetual darkness. The researchers found that A. idsseensis possesses thirteen genes for metal tolerance proteins (MTPs), which help sequester metals to detoxify tissues. They also observed a higher content of polyunsaturated fatty acids and more copies of genes for light-sensitive proteins in A. idsseensis compared to non-vent anemone relatives. The study raises questions about the role of organelles in sea anemones and their ability to tolerate extreme environments. [Extracted from the article]