The Functions of Grainy Head-Like Proteins in Animals and Fungi and the Evolution of Apical Extracellular Barriers Paré, Adam ; Kim, Myungjin ; Juarez, Michelle T. ; Brody, Stuart ; McGinnis, William Abstract Publication: PLoS ONE Pub Date: May 2012 DOI: 10.1371/journal.pone.0036254 Bibcode: 2012PLoSO...736254P