Larger Image Fig. 5. Distribution of cH2AX in ZZ and ZW gonads during development. Immunostaining with anti-Dmrt1 and anticH2AX antibodies was performed on gonadal sections from ZW and ZZ tadpoles at stages 53 and 62 (A) and on gonadal sections from a ZZ adult frog (B). Nuclei were stained with TO-PRO. Oc, oocyte; POg, primary oogonium; PSg, primary spermatogonium; Sg, secondary spermatogonium; Sc, spermatocyte. White arrowheads and arrows indicate Dmrt1- or cH2AX-positive primary GSCs and leptotene/zygotene oocytes, respectively. Image published in: Fujitani K et al. (2016) © 2016 The Authors. Creative Commons Attribution license
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