Homologous chromosomes are stably conjoined for Drosophila male meiosis I by SUM, a multimerized protein assembly with modules for DNA-binding and for separase-mediated dissociation co-opted from cohesin.
Kabakci Z, Reichle HE, Lemke B, Rousova D, Gupta S, Weber J, Schleiffer A, Weir JR, Lehner CF. PLoS Genet. 2022 Dec; 18(12):e1010547. Epub 2022 Dec 8.