Chromatin domain (IMAGE) Research Organization of Information and Systems Caption Nucleosomes (orange spheres) in euchromatin form a condensed domain with cohesins (rings). Transcription occurs on the domain surface with various transcription factors and RNA Polymerase II. Credit Sachiko Tamura & Kazuhiro Maeshima, National Institute of Genetics, ROIS. Reproduced from Trends in Cell Biology. Usage Restrictions Only for use with reports of this research. 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.