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. 2021 Nov 1;106(1):6–8. doi: 10.1093/biolre/ioab206

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The PIWI/piRNA system in golden hamsters. (A) The lack of Piwil3 gene in the mouse genome. (B) The presence of PIWI proteins and associated piRNAs in the golden hamster testis and ovary. (C) Effect of disruption of piRNA pathway genes Piwil1, Piwill3, or Mov10l1 on male germ cell development in golden hamsters. Spg: spermatogonium; LS: leptotene spermatocyte; PS: pachytene spermatocyte; RS: round spermatid; ES: elongating spermatid. (D) Effect of disruption of piRNA pathway genes Piwil1, Piwll3, or Mov10l1 on female germ cell development and embryogenesis in golden hamsters. GV: germinal vesicle oocyte; MII: metaphase II oocyte.