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. 2009 Aug 1;23(15):1763–1778. doi: 10.1101/gad.1808809

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Copyright © 2009 by Cold Spring Harbor Laboratory Press

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Figure 8. — AE assembly requires HTP-3. (A) HTP-3 and SYP-1 colocalize in pachytene nuclei of wild-type animals. Cruciform HTP-3 staining is observed on diakinesis bivalents. HTP-3 staining persists in htp-1 htp-2 and him-3 mutants. HTP-3 is undetectable in htp-3(y428) animals, and SYP-1 is present in polycomplexes, as previously described in htp-3(RNAi) animals (Goodyer et al. 2008). (A–C) Sister chromatids appear slightly separated in diakinesis univalents of htp-3(y428) and htp-3(RNAi) animals. (B,C) HTP-3 is required for the association of HTP-1/2 and HIM-3 with meiotic chromosomes. HTP-1/2 and HIM-3 colocalize with SYP-1 in pachytene nuclei of wild-type animals. HIM-3 is present along both arms of diakinesis bivalents (C), while HTP-1/2 associate exclusively with the long arm (B). HTP-1/2 and HIM-3 are undetectable on meiotic chromosomes of htp-3(y428) animals. HIM-3 is present in polycomplexes in pachytene nuclei.