1. M. J. Gardner, H. Tettelin, L. M. Cummings, S. Shallom, T. Mason, K. Yu, C. Fujii, J. Pederson, K. Shen, L. Zhou, G. G. Sutton, R. Clayton, O. White, H. O. Smith, C. M. Fraser, M. D. Adams, J. C. Venter, The Institute for Genomic Research, 9712 Medical Center Drive, Rockville, MD 20850, USA. D. J. Carucci and S. L. Hoffman, Malaria Program, Naval Medical Research Institute, 12300 Washington Avenue, Rockville, MD 20852, USA. L. Aravind, Department of Biology, Texas A & M University, College...