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. 2019 Sep 10;9:13060. doi: 10.1038/s41598-019-49416-2

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Daughter-to-mother centriole conversion at the A- to G-phase transition. (a) Cep164 and Sas6 immunostainings on Cen2GFP ependymal progenitors during A- and G-Phases. Arrows indicate centrosomal centrioles. (b) Mother:daughter centriole (mc:dc) Cep164 signal ratios in A-phase (n = 24 cells) and G-Phase (n = 7 cells). (c) Correlation between mc:dc Cep164 signal ratios and deuterosome numbers in the cells during A-Phase (n = 24 cells from b). (d) GT335, Deup1 and Sas6 immunostainings on ependymal progenitors during G- and D-Phases in vitro and G-phase in vivo. (e) Percentage of cells with 0, 1 or 2 GT335 positive cilia in A-, G- and D-phases in vitro (n = 210, 73 and 21 cells in A-, G- and D-phase, respectively). (f) Representative scheme of centrosomal centriole behaviour during centriole amplification. Nucleus is represented in gray, deuterosomes in black, procentrioles in gray, Cep164 in red, mother centriole in blue, daughter centriole in orange. « X » indicates Cen2GFP aggregate. Scale bars: 2 µm.