Researchers (IMAGE) Macquarie University Caption Dr. Sasha Tetu and Indrani Sarker with vials of <I>Prochlorococcus</I> in the lab. Credit Macquarie University Usage Restrictions Please credit Macquarie University if using this image. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.