SARS-CoV-2 genomic (gRNA) and subgenomic RNAs (image) Institute for Basic Science Share Print E-Mail Caption Modification levels are different between RNA transcripts, and the most frequent modification site is designated by red arrowhead. Credit IBS Usage Restrictions Please indicate the credit. 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.