FIGURE

Figure 5

ID

ZDB-FIG-190723-557

Publication

Gonzalez-Munoz et al., 2019 - Zebrafish macroH2A variants have distinct embryo localization and function

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Figure 5

mH2A isoforms differential colocalization with heterochromatin and mitotic marks in zebrafish embryos at 24 hpf stage. Transgenic zf embryos expressing mH2A1:GFP-mH2A1.1 (A,B,E) or mH2A2:GFP-mH2A2 (C,D,F) at 24 hpf stage were analysed using immunohistochemistry to detect heterochromatin markers trimethyl Histone3 lysine K27 and K9 (H3K27me3 and H3K9me3) (A–D) or mitotic nuclei Phosphohistone H3 (pHH3) (E,F). DAPI was used for nucleus labelling. Confocal microscope image projection of 24 hpf transgenic fish. (A,B) mH2A1:GFP-mH2A1.1 embryo shows YSL localization of GFP positive cells and lack of colocalization with H3K27me3 (A,B) and H3K9m3 (C) throughout the embryo body. (C,D) mH2A2:GFP-mH2A2 embryo stained with heterochromatin markers H3K27me3 (D) and H3K9me3 (E) reveals areas of colocalization. (E,F) mH2A1:GFP-mH2A1.1 (E) or mH2A2:GFP-mH2A2 (F) with labelled pHH3 mitotic nuclei shows partial colocalization of GFP-mH2A2 isoform with mitotic nuclei. Each labelling assay was conducted in triplicate with n = 40–50 embryos/immunolabeling.

Expression Data

Expression Detail

Antibody Labeling

Phenotype Data

Phenotype Detail

Acknowledgments

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