Antarctic Phytoplankton Sampling (image) University of California - San Diego Share Print E-Mail Caption Andrew Allen prepares a sample of phytoplankton filtered from the Ross Sea. In several of the Antarctic marine samples, phytotransferrin was among the most abundant proteins detected. Credit E. Bertrand Usage Restrictions None Share Print E-Mail 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.