Schmitt, Karin; Vollrath, Douglas; Foote, Simon; Fisher, Elizabeth M.C.; Page, David C.; Amheim, Norman; Department of Bological Sciences, Molecular Bology Program University of Southern CaliforniaLos Angeles, CA 90089-1340; Vollrath Douglas; Howard Hughes Research Laboratories at Whitehead Institute, Massachusetts Institute of Technology; Foote Simon; Howard Hughes Research Laboratories at Whitehead Institute, Massachusetts Institute of Technology; Fisher Elizabeth M.C.; Howard Hughes Research Laboratories at Whitehead Institute, Massachusetts Institute of Technology; Page David C.; Howard Hughes Research Laboratories at Whitehead Institute, Massachusetts Institute of Technology