The accumulation of Septin 7 at LD formation site. Associated with Fig. S5 C. GI-SIM images of OA-treated COS-7 cells expressing mCherry-Septin 7 (magenta) and LiveDrop (green) were taken with a time interval of 2 s. The playback speed is at 5.7× real time. The circle highlights nascent LD formation site.