Figure 2 (IMAGE) Moscow Institute of Physics and Technology Caption Reactions in the cell nucleus (a): The RNA is depicted in red, with the DNA shown as black double lines and a linking molecule in dark blue. The light blue circles stand for proteins. The black dot is a molecule that allows to single out the DNA-RNA hybrid in solution. Explanations are provided in the text. Reactions in solution (b): protein removal, second strand synthesis, clipping to predetermined size, addition of sequences used for recognition, and sequencing. Credit Alessandro Bonetti et al./<em>Nature Communications</em> 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.