Tobacco plants that lack expression of a functional nitrate reductase in the roots show changes in growth rates and metabolite accumulation. - Hänsch,R..; Fessel,D..G..; Hoffmann,C..; Hesberg,C..; Hoffmann,G..; Walch-Liu,P..; Engels,C..; Kruse,J..; Rennenberg,H..; Kaiser,W..M..; Mendel,R.-R.. (Journal of Experimental Botany, 2001)