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Scientists know surprisingly little about the microbiomes that support these spiny animals
Red sea urchins among their smaller relatives, purple sea urchins.
April 26, 2021
Sea urchins receive a lot of attention in California. Red urchins support a thriving fishery, while their purple cousins are often blamed for mowing down kelp forests and creating urchin barrens. Yet for all the notice we pay them, we know surprisingly little about the microbiomes that support these spiny species.
U.S. National Science Foundation-funded researchers at the University of California, Santa Barbara led by geneticist Paige Miller sought to uncover the diversity in the guts of these important kelp forest inhabitants. The results reveal significant differences between the microbiota of the two species red urchins and purple urchins as well as between individuals in different habitats. The work was done at the NSF-funded Santa Barbara Coastal Long-Term Ecological Research site.
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