The Arabidopsis homologs of trithorax (ATX1) and enhancer of zeste (CLF) establish 'bivalent chromatin marks' at the silent AGAMOUS locus.
Nucleic acids research (2017) - Comments
doi: 10.1093/nar/gkm464  pubmed: 17881378  pmc: PMC2094062 

Abdelaty Saleh, Ayed Al-Abdallat, Ivan Ndamukong, Raul Alvarez-Venegas, Zoya Avramova