Common Biochemistry (IMAGE) Kyoto University Caption Biological methylation and the body clock are conserved during 2.5 billion years of evolution, to the extend that reprogramming the mammalian methyl cycle using a bacteial enzyme prevents methylation deficiencies is viable Credit Kyoto University/Jean-Michel Fustin Usage Restrictions None 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.