Comment on

• A long noncoding RNA maintains active chromatin to coordinate homeotic gene expression.

  Wang KC, Yang YW, Liu B, Sanyal A, Corces-Zimmerman R, Chen Y, Lajoie BR, Protacio A, Flynn RA, Gupta RA, Wysocka J, Lei M, Dekker J, Helms JA, Chang HY. Wang KC, et al. Nature. 2011 Apr 7;472(7341):120-4. doi: 10.1038/nature09819. Epub 2011 Mar 20. Nature. 2011. PMID: 21423168 Free PMC article.