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Image of the Day: Ethylene Elongation

The green algae Spirogyra pratensis grows when exposed to ethylene—a stress hormone previously thought to be unique to land plants, in which it induces flowering and fruit ripening.

The Scientist Staff

UNIVERSITY OF MARYLAND, CAREN CHANG

(See “Conservation of ethylene as a plant hormone over 450 million years of evolution,” Nature Plants, 2015.)

 

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