Institute for Genomic Biology (A.D.B.L., E.A.A., D.R.O., S.P.L.), Department of Plant Biology (A.D.B.L., E.A.A., D.R.O., S.P.L.), and Department of Crop Sciences (M.U., S.L.N., A.R., S.P.L.), University of Illinois at Urbana-Champaign, Urbana, Illinois 61801; Photosynthesis Research Unit, United States Department of Agriculture Agricultural Research Service, Urbana, Illinois 61801 (E.A.A., D.R.O.(At 2006-01-11)
