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Cultured Bacterium Reveals Cause of Sea Star Wasting Disease

Researchers can now deploy diagnostic tools to guide restoration of keystone sea star populations

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© Grant Callegari/Hakai Institute
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Overview

  • The bacterium Vibrio pectenicida was definitively confirmed and cultured, with results published in Nature Ecology & Evolution.
  • Field-ready diagnostic kits are in development to detect the pathogen in wild and captive sea star populations.
  • Trials are underway to test probiotics and the influence of water temperature on disease progression and resistance.
  • Captive-breeding programs aim to identify and propagate sunflower sea stars with innate resistance to support recovery efforts.
  • Unchecked sea urchin populations have decimated kelp forests, highlighting the need for targeted ecosystem interventions.