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. 2000 Jan;11(1):1–11. doi: 10.1091/mbc.11.1.1

Figure 1.

Figure 1

Chk1-dependent mitotic delay caused by ionizing irradiation in cdc2-3w Δcdc25 cells. Synchronous populations of cdc2-3w Δcdc25 (GL192) or cdc2-3w Δcdc25 Δchk1 (NR1976) cells were obtained by centrifugal elutriation. Cultures were exposed to 200 Gy of ionizing radiation (+IR) or mock treated (−IR). Progression through mitosis was determined by microscopic observation.