Fig. 3. Initiation of synapsis without an intact central element. Meiotic chromosomes in wild-type and Tex12–/– spermatocytes and oocytes immunolabeled for SYCP1 (transverse filaments, green), STAG3 (axial elements, blue) and SYCE1 (central elements, red) (A) or STAG3 (axial elements, green) and SYCE2 (central elements, red) (B). Centromeres are labeled with CREST (white) (B). Bar: 5 µm.