Pleistocene (IMAGE) McMaster University Caption Researchers used DNA capture-enrichment technology developed at McMaster to isolate and rebuild the fluctuating animal and plant communities during the Pleistocene-Holocene transition. Credit Julius Csotonyi Usage Restrictions None. License Original 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.