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. 2021 Sep 17;12:5514. doi: 10.1038/s41467-021-25799-7

Fig. 7. Both POT1b-TPP1 interaction and the TPP1 TEL patch are required to recruit telomerase to telomeres.

Fig. 7

a Quantification of co-localization of hTR with telomeres in G3 Pot1b−/− sarcomas reconstituted with the indicated POT1b or tethered DNAs. 500 nuclei were analyzed per genotype. Data show the mean ± s.d. from three independent experiments. p-values are shown and generated from one-way ANOVA analysis followed by Tukey’s multiple comparison. b Quantification of telomere lengths by Q-FISH in G3 Pot1b−/− sarcomas expressing POT1b or tethered DNAs. A minimum of 35 metaphases were analyzed per genotype. Box show the median and interquartile range (25% to 75%) from three independent experiments. p-values are shown and generated from one-way ANOVA analysis followed by Tukey’s multiple comparison. c Quantification of co-localization of hTR with telomeres in G3 Pot1b−/− sarcomas reconstituted with the indicated POT1b or tethered DNAs. 500 nuclei were analyzed per genotype. Data show the mean ± s.d. from three independent experiments. p-values are shown and generated from one-way ANOVA analysis followed by Tukey’s multiple comparison. d Quantification of telomere lengths by Q-FISH in G3 Pot1b−/− sarcomas expressing POT1b or tethered DNAs. At least 35 metaphases were analyzed per genotype. Boxes show the median and interquartile range (25% to 75%) from three independent experiments. p-values are shown and generated from one-way ANOVA analysis followed by Tukey’s multiple comparison. e Schematic of how POT1b promotes telomerase recruitment to telomeres. See text for details.