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.
Jan 9, 2015
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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