To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 Representative Slbp embryo partially arrested in NC13Slbp embryo has slower syncytial blastoderm nuclear cycles and partially arrests at NC13. It gastrulates normally with sections of the embryo in NC13 and NC14. Scale bar represents 50 μm. Histone concentration regulates the cell cycle and transcription in early development Sudarshan Chari, Henry Wilky, Jayalakshmi Govindan, and Amanda A. Amodeo Development 2019. 146:None-None; doi: 10.1242/dev.177402 Download Original Video