Open Access. Powered by Scholars. Published by Universities.®
Articles 1 - 1 of 1
Full-Text Articles in Biology
Regulation Of Ribulose 1, 5-Bisphosphate Carboxylase/Oxygenase By Metabolites, Jerome Servaites, Donald Geiger
Regulation Of Ribulose 1, 5-Bisphosphate Carboxylase/Oxygenase By Metabolites, Jerome Servaites, Donald Geiger
Donald R. Geiger
Ribulose 1,5-bisphosphate carboxylase/oxygenase (Rubisco) and other enzymes and their common metabolites form a system regulated by feedforward and feedback mechanisms that is directly involved in assimilation of carbon. The interaction of these components in the chloroplast gives rise to properties, which can not be predicted from the study of isolated components alone. Experiments were conducted to explain how the observed pattern of system level regulation is consistent with the individual characteristics of Rubisco measured in vitro. In vitroRubisco is responsive to a wide range of ribulose 1,5-bisphosphate and phosphoglycerate concentrations, similar to those found in leaves under field conditions. Metabolite …