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You are here: Home / Celebrity Slugs Prove Photosynthesis Isn’t Just for Plants | Martha’s Vineyard Times

Celebrity Slugs Prove Photosynthesis Isn’t Just for Plants | Martha’s Vineyard Times

Published on September 6, 2018
Celebrity Slugs Prove Photosynthesis Isn’t Just for Plants | Martha's Vineyard Times
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By Bella Bennett

Imagine needing to eat only once in your lifetime. The meal is nothing special, but the powers you obtain from it certainly are. First, you turn from brown to bright green. You are an animal, and yet you can now derive energy from the sun through photosynthesis — like a plant.

This is not the origin story of the next superhero, but instead, the catalyst for metamorphosing from the juvenile to the adult phase of life for Elysia chlorotica, a sea slug native to Martha’s Vineyard and much of the Eastern Seaboard. If this sounds like magic, consider too that the “secret ingredient” is found in an algae you’ve likely trod over recently. The really inconceivable part, however, lies within the slug itself.

Hatching into shallow marine environments in the early spring, these slugs live for only 11 months — dying shortly after laying eggs the following spring. Within this relatively short span of time, each of these one- to two-inch slugs accomplishes something that has both baffled and astonished scientists for more than 30 years.

One such scientist is Sidney Pierce. Professor emeritus of biology at the University of South Florida, Pierce is on the forefront of E. chlorotica research, and has been for more than 30 years. He credits two of his former students in an invertebrates class at the Marine Biological Laboratory in Woods Hole for introducing him to E. chlorotica. Read more …

Photo: The sea slug Elysia chlorotica “steals” chloroplasts from the algae it eats and uses them to conduct photosynthesis. Credit: Patrick Krug

Source: Celebrity sea slugs prove photosynthesis isn’t just for plants – The Martha’s Vineyard Times

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