FIG. 1.

Summary of information on several rRNA gene chromatin states. The open or active form and the closed or inactive form of rRNA gene copies are shown as rRNA gene (O) and rRNA gene (C), respectively, both for exponentially growing cells and cells in the post-diauxic/stationary phase (quiescent cells). The state of rRNA gene copies in PSW cells is shown as rRNA gene (P). Pathways A, B, C, D, and E are shown with information regarding Rpd3 dependency, participation of rapamycin-sensitive Tor system and UAF alteration, which is discussed in the present paper.