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README.md

@@ -177,4 +177,11 @@ After that, you can visualize the off-target sites with their genomic sequence (
 
 If you use Tracking-seq or OFF-TRACKER in your research, please cite the following paper:
 
-Zhu, M., Xu, R., Yuan, J., Wang, J. et al. Tracking-seq reveals the heterogeneity of off-target effects in CRISPR–Cas9-mediated genome editing. Nat Biotechnol (2024). https://doi.org/10.1038/s41587-024-02307-y
+Zhu, M., Xu, R., Yuan, J., Wang, J. et al. Tracking-seq reveals the heterogeneity of off-target effects in CRISPR–Cas9-mediated genome editing. Nat Biotechnol (2024). https://doi.org/10.1038/s41587-024-02307-y
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+The signal visualization of .bw file here was generated by the Integrative Genomics Viewer (IGV) software. The signal visualization in the Tracking-seq article above was generated by either IGV or pyGenomeTracks:
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+Robinson, J., Thorvaldsdóttir, H., Winckler, W. et al. Integrative genomics viewer. Nat Biotechnol 29, 24–26 (2011). https://doi.org/10.1038/nbt.1754
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+Lopez-Delisle L, Rabbani L, Wolff J, Bhardwaj V, Backofen R, Grüning B, Ramírez F, Manke T. pyGenomeTracks: reproducible plots for multivariate genomic data sets. Bioinformatics. 2020 Aug 3:btaa692. doi: 10.1093/bioinformatics/btaa692.
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