1. Department of Biology, University of North Carolina, Chapel Hill, North Carolina 27599 (A.B., J.P.T., B.B.M., J.J.K.)
2. Department of Bioinformatics and Genomics, University of North Carolina, Charlotte, North Carolina 28223 (I.C., A.L.); and
3. Department of Biological Sciences, Dartmouth College, Hanover, New Hampshire 03755 (Y.-H.C., G.E.S.)