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New Study Uncovers Key Role of Bacteria in the Formation of ‘Red Tide’ Algal Blooms

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According to a new study published in Proceedings of the National Academy of Sciences, NOAA and NOAA-funded university scientists are closer to understanding why “red tides,” called harmful algal blooms form. These toxic harmful algal blooms threaten marine ecosystems, human health, and cost local and regional economies millions of dollars annually through fishery closures and recreation and tourism losses.

The study looked at the impact that the cooperative interactions between marine microalgae and bacteria have on the growth of harmful algal blooms

Scientists have long recognized that certain species of bacteria are closely associated with the microalgae that form the harmful algal blooms, but didn’t understand why the blooms formed or what role the bacteria play.
 
 

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