
Spatial division of phosphoenolpyruvate carboxylase and nitrate reductase activity and its regulation by cytokinins in CAM-induced leaves of Guzmania monostachia (Bromeliaceae)
Keywords: CAM, crassulacean acid metabolism; DW, dry weight; ΔH+, dawn–dusk titratable acidity; iP, isopentenyladenine; iPR, isopentenyladenine riboside; MDH, malate dehydrogenase; NR, nitrate reductase; PEPC, phosphoenolpyruvate carboxylase; RWC, relative water co