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. 2012 Mar 15;139(6):1133–1140. doi: 10.1242/dev.073478

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Fig. 6. — Increased distribution of heterochromatic histone modifications and HP1 proteins in Brg1^CKO spermatocytes. H4K14Ac (green), a mark associated with DNA repair, in wild-type (A) and Brg1^CKO (B) adult testes. Spermatocytes are identified by γH2AX staining (red). Arrows show pachytene spermatocytes. H3K9me2 (red) in wild-type (C) and mutant (D) testes at 14 dpp. H3K9me2 distribution in wild-type (E) and Brg1^CKO (F) zygotene spermatocytes. Expression of HP1γ (red) and HP1β (green) in 14 dpp wild-type (G) and Brg1^CKO (H) tubules. Broad staining persisted in mutant spermatocysts (G,H, arrows). Distribution of HP1γ (red) in wild-type (I) and mutant (J) zygonema spermatocytes.