The C. elegans CDK8 Mediator module regulates axon guidance decisions in the ventral nerve cord and during dorsal axon navigation.
Steimel A, Suh J, Hussainkhel A, Deheshi S, Grants JM, Zapf R, Moerman DG, Taubert S, Hutter H. Dev Biol. 2013 May 15; 377(2):385-98. Epub 2013 Feb 28.