In plants, this family is involved in mitochondrial fission. It binds to dynamin-related proteins and plays a role in their relocation from the cytosol to mitochondrial fission sites [1]. Its function in bacteria is unknown.

1: Arabidopsis ELONGATED MITOCHONDRIA1 is required for localization of DYNAMIN-RELATED PROTEIN3A to mitochondrial fission sites. Arimura S, Fujimoto M, Doniwa Y, Kadoya N, Nakazono M, Sakamoto W, Tsutsumi N; Plant Cell. 2008;20:1555-1566. PMID:18559960