Author Correction: In vitro characterization of the human segmentation clock

The Original Article was published on 08 January 2020 Correction to: Nature https://doi.org/10.1038/s41586-019-1885-9 Published online 8 January 2020 In the originally published version of this article, an error in one version of the code used for segmentation of individual human presomitic mesoderm (PSM) cells from three time-lapse microscopy datasets caused properly detected cells to be duplicated and incorrectly included extra objects that did not meet the minimum size criteria. The result was a complete or partial duplication of single-cell tracks and Hes7-Achilles oscillation profiles for these three datasets.

All other datasets in this article were correctly processed with an alternative version of the code and were unaffected by duplications. The impacted datasets have been re-analyzed using the correct version of the batch-processing segmentation code and all downstream analyses have been redone. Figures 1f, 3a, 3d, 4b, 4d, 4e and 4f and Extended Data Figs. 5f, 6h, 6i and 6n, as well as the source data, have been updated accordingly in the Supplementary Information accompanying this amendment (due to the age of the article, the figures cannot be updated directly).

Because all cells to be detected were added twice and only a few (if any) additional regions were included, the analyses and statistics were only marginally affected, and all statements remain accurate. All claims made in the original version of this article remain well supported by the corrected data, with similar statistical power. These authors contributed equally: Margarete Diaz-Cuadros, Daniel E. Wagner Department of Genetics, Harvard Medical School, Boston, MA, USA

Margarete Diaz-Cuadros, Christoph Budjan, Alexis Hubaud, Oscar A. Tarazona, Sophia Donelly, Arthur Michaut, Ziad Al Tanoury & Olivier Pourquié Department of Pathology, Brigham and Women’s Hospital, Boston, MA, USA Margarete Diaz-Cuadros, Christoph Budjan, Alexis Hubaud, Oscar A. Tarazona, Sophia Donelly, Arthur Michaut, Ziad Al Tanoury & Olivier Pourquié Department of Systems Biology, Harvard Medical School, Boston, MA, USA

Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan Laboratory for Cell Function and Dynamics, RIKEN Center for Brain Science, Saitama, Japan Department of Mathematics, Brandeis University, Waltham, MA, USA Volen National Center for Complex Systems, Brandeis University, Waltham, MA, USA

Harvard Stem Cell Institute, Harvard University, Cambridge, MA, USA Diaz-Cuadros, M., Wagner, D.E., Budjan, C. et al. Author Correction: In vitro characterization of the human segmentation clock. https://doi.org/10.1038/s41586-026-10651-z Anyone you share the following link with will be able to read this content:

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