Mid-pachytene spermatocytes of Sorex araneus. Double immunostaining with antibodies: a–c anti-SYCP3 (green)/anti-ubiH2A (cyan) d–f anti-SYCP3 (green)/anti-SUMO-1 (yellow) g–i anti-SYCP3 (green)/anti-RNA Pol II (blue) j–l anti-SYCP3 (green)/anti-γH2AFX (violet). The true sex chromosome region is designated as XY1. Scale bars: 5 µm.

 
 
  Part of: Matveevsky SN, Pavlova SV, Atsaeva MM, Searle JB, Kolomiets OL (2017) The dual mechanisms of chromatin remodeling in the common shrew sex trivalent (XY1Y2). Comparative Cytogenetics 11(4): 1-19. https://doi.org/10.3897/compcytogen.v11i4.13870