[ Back to EurekAlert! ]

Contact: Nicole (Staab) Cassis
Arizona State University


Caption: The orange cells in this microscope image are Synechococcus, a unicellular cyanobacterium only about 1 um in size. Organisms like Synechococcus were responsible for pumping oxygen into the environment 2.5 billion years ago.

Credit: Susanne Neuer/Amy Hansen

Usage Restrictions: None

Related news release: Ancient microbes responsible for breathing life into ocean 'deserts'

[ Back to EurekAlert! ]