Photobody formation in the nucleus requires higher intensity light for phyBSer86Asp-YFP and lower for phyBSer86Ala-YFP. Dark-grown phyB-9 seedlings expressing the indicated proteins were treated with 2 μmol m−2 s−1 red light for 6 h. Bars = 10 μm. (Reprinted from Medzihradszky et al. [2013], Figure 3B.)