Corresponding Author

Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine

Department of Molecular, Cell and Developmental Biology, University of California Santa Cruz

Correspondence

Carol W. Greider, Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, 603 PCTB, 725 N. Wolfe Street, Baltimore, MD 21205.

Phone: (410) 614-6506, Fax (410) 955 0831

Email: cgreider@jhmi.edu