sentences:  Aurora B localizes to the paired arms of homologous chromosomes in metaphase I of C. elegans meiosis, and perturbs microtubule dynamics in mitosis.Release of this cohesion, which is dependent on Aurora B, is required for progression to anaphase I and segregation of homologous chromosomes.In mitotic vertebrate B lymphocytes, the proper centromeric localization of a number of Aurora B binding partners requires cohesin.