About the Authors
Department of Biochemistry and Biophysics, University of California, San Francisco, San Francisco, California, United States of America
The authors have declared that no competing interests exist.
The author(s) have made the following declarations about their contributions: Conceived and designed the experiments: TMY CK. Performed the experiments: TMY JRB. Analyzed the data: TMY CK. Contributed reagents/materials/analysis tools: MM MMG SJL. Wrote the paper: TMY CK. Initial work examining the daf-16 requirement for cdr-6 expression in germ cell (−) animals: MSK.