Epoxide-opening Cyclic Ether Formation (IMAGE) National University of Singapore Caption This image shows the epoxide-opening cyclic ether formation catalyzed by Lsd19. The disfavored 6-endo-tet reaction is highlighted in red. Credit Dr. Kinya Hotta Usage Restrictions To be used only with press release, X-rays reveal how soil bacteria carry out surprising chemistry, issued on March 4, 2012 at 1300hrs EST. 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.