Journal: Nature cell biology
Article Title: Ubiquitination-dependent localization of Polo-like kinase 1 in mitosis
doi: 10.1038/ncb2695
Figure Lengend Snippet: a, HeLa cells expressing H2B-mRFP were treated with the indicated siRNAs for 48 h and analyzed by live-cell microscopy. Stars indicate misaligned and lagging chromosomes. Bar is 10μm. b, The percentage of cells that complete mitosis normally or with a delay from prophase to anaphase (>50 min) or that undergo apoptosis during prometaphase was quantified (n = 50). c, The percentage of cells that undergo normal mitosis, become multinucleated or die during mitosis was quantified (n=50). d, HeLa cells were treated with the indicated siRNAs for 48 h and analyzed by immunofluorescence microscopy for MAD2 and kinetochores. The percentage of prometaphase and metaphase cells that contain one or more MAD2 positive kinetochores was quantified (n = 30). Example images are shown in Suppl. Fig. 1c. e, HeLa cells expressing H2B-mRFP were treated with the indicated mixtures of siRNAs for 48 h and analyzed by live-cell microscopy. The percentage of cells that die in prometaphase was quantified (n = 50). b-d, Bars represent the mean of three independent experiments. Error bars indicate +/-s.d.
Article Snippet: The following antibodies were used in the study: mouse monoclonal BubR1 (BD Biosciences 612502, 1:1000), pSer676 BubR1 (kind gift of E. A. Nigg, University of Basel, 1:???), CREST (Antibodies Incorporated, 15-234, 1:250), rabbit polyclonal CUL3 21 , mouse monoclonal FLAG (Sigma Aldrich F3165, 1:3000), mouse monoclonal GST (Labforce B-14, 1 :4000), rabbit polyclonal HA (Covance HA.11, 1 :3000), rabbit polyclonal KLHL22 and KLHL21 22 , rabbit polyclonal KLHL9 and 13 21 , rabbit polyclonal Mad2 (Bethyl Laboratories A300-301A, 1 :5000), mouse monoclonal MBP (Abcam ab49923, 1 :1000), rabbit polyclonal PLK1 (Abcam ab70697, 1:1000), mouse monoclonal PLK1 (Abcam ab17057, 1:500), rabbit polyclonal PLK2 (kind gift of I. Hoffmann, DKFZ Heidelberg, Germany), mouse monoclonal αTubulin (Sigma Aldrich T5169, IF 1:5000, WB 1:10000), rabbit polyclonal γTubulin (Sigma T3559, 1:1000), mouse monoclonal Cyclin A (Sigma C 4710, 1 :2000), mouse monoclonal Cyclin B1 (Santa Cruz GSN1, 1:5000), rabbit polyclonal phospho HistoneH3 (Upstate 06-570, 1:500), mouse monoclonal AuroraB (BD Biosciences 611082/3, 1:250), mouse monoclonal Hec1 (GeneTex, ??
Techniques: Expressing, Microscopy, Immunofluorescence