Research Topics
Genomes and GenesSpecies | Archie R PortisSummaryAffiliation: University of Illinois Country: USA Publications
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Detail Information
Publications
Discoveries in Rubisco (Ribulose 1,5-bisphosphate carboxylase/oxygenase): a historical perspectiveArchie R Portis
Photosynthesis Research Unit, Agricultural Research Service, U S Department of Agriculture, University of Illinois, 1201 West Gregory Drive, Urbana, IL 61801, USA
Photosynth Res 94:121-43. 2007..While trying to ensure that all the major events over this period are recorded, this analysis will inevitably be incomplete and will reflect the areas of particular interest to the authors...- Regulation of Rubisco activase and its interaction with RubiscoArchie R Portis
USDA ARS, Photosynthesis Research Unit, Urbana, IL 61801, USA
J Exp Bot 59:1597-604. 2008..Two activase residues in this domain were identified that are involved in Rubisco recognition. The results directly complement earlier studies that identified critical residues for activase recognition in the large subunit of Rubisco... 
Cool C4 photosynthesis: pyruvate Pi dikinase expression and activity corresponds to the exceptional cold tolerance of carbon assimilation in Miscanthus x giganteusDafu Wang
Institute for Genomic Biology, University of Illinois, Urbana, Illinois 61801, USA
Plant Physiol 148:557-67. 2008..The results suggest that increases in either PPDK RNA transcription and/or the stability of this RNA are important for the increase in PPDK protein content and activity in M. x giganteus under chilling conditions relative to maize...
Arabidopsis thaliana expressing a thermostable chimeric Rubisco activase exhibits enhanced growth and higher rates of photosynthesis at moderately high temperaturesAnshuman Kumar
Photosynthesis Research Unit, Agricultural Research Service, United States Department of Agriculture, Urbana, IL 61801, USA
Photosynth Res 100:143-53. 2009..Moreover, under extended exposure to moderately elevated temperature, the transgenic lines had higher biomass and seed yield when compared with the wild type plants...- Effect of activase level and isoform on the thermotolerance of photosynthesis in ArabidopsisMichael E Salvucci
USDA ARS, Arid Land Agricultural Research Center, Maricopa, AZ 85239, USA
J Exp Bot 57:3793-9. 2006..Instead, the results are consistent with thermal denaturation of activase under moderate heat stress, the effects of which on Rubisco activation would be enhanced when activase levels are suboptimal for photosynthesis... - Can the cold tolerance of C4 photosynthesis in Miscanthus x giganteus relative to Zea mays be explained by differences in activities and thermal properties of Rubisco?Dafu Wang
Institute for Genomic Biology, University of Illinois at Urbana Champaign, Urbana, IL 61801, USA
J Exp Bot 59:1779-87. 2008..x giganteus to be productive and maintain photosynthetically competent leaves at low temperature does not result from low temperature acclimation or adaptation of the catalytic properties of Rubisco... - Increased sensitivity of oxidized large isoform of ribulose-1,5-bisphosphate carboxylase/oxygenase (rubisco) activase to ADP inhibition is due to an interaction between its carboxyl extension and nucleotide-binding pocketDafu Wang
Department of Plant Biology, University of Illinois, Urbana, Illinois 61801, USA
J Biol Chem 281:25241-9. 2006..These studies provide new insights into the mechanism of redox regulation of activase by the C-extension in the large isoform... - A novel nucleus-encoded chloroplast protein, PIFI, is involved in NAD(P)H dehydrogenase complex-mediated chlororespiratory electron transport in ArabidopsisDafu Wang
Department of Plant Biology, University of Illinois, Urbana, Illinois 61801, USA
Plant Physiol 144:1742-52. 2007..We conclude that PIFI is a novel component essential for NDH-mediated nonphotochemical reduction of the PQ pool in chlororespiratory electron transport... - Identification of critical arginine residues in the functioning of Rubisco activaseCishan Li
Department of Plant Biology, University of Illinois, 190 ERML, 1201 W Gregory Ave, Urbana IL 61801, USA
Arch Biochem Biophys 450:176-82. 2006..Thus, there is not a strict correlation of oligomerization with ATP hydrolysis and intrinsic fluorescence... - Two residues of rubisco activase involved in recognition of the Rubisco substrateCishan Li
Department of Plant Biology, University of Illinois, Urbana, Illinois 61801, USA
J Biol Chem 280:24864-9. 2005..The results identified a substrate recognition region in activase in which two residues may directly interact with two residues in Rubisco... - Two conserved tryptophan residues are responsible for intrinsic fluorescence enhancement in Rubisco activase upon ATP bindingDafu Wang
Department of Plant Biology, University of Illinois, Urbana, IL, 61801, USA
Photosynth Res 88:185-93. 2006..Therefore, W109 and W250 are the residues reporting the conformational change that increases the intrinsic fluorescence... - Kinetic analysis of the slow inactivation of Rubisco during catalysis: effects of temperature, O2 and Mg(++)Kangmin Kim
US Department of Agriculture, Photosynthesis Research Unit, Agricultural Research Service, Urbana, IL 61801, USA
Photosynth Res 87:195-204. 2006..The physiological importance of these factors in affecting Rubisco fallover and contributing to photosynthetic inhibition at high temperatures in planta are discussed... - Temperature dependence of photosynthesis in Arabidopsis plants with modifications in Rubisco activase and membrane fluidityKangmin Kim
Photosynthesis Research Unit, Agricultural Research Service, U.S. Department of Agriculture, Urbana, IL 61801, USA
Plant Cell Physiol 46:522-30. 2005..These results provide additional insight into the role of Rubisco activation and activase in the reversible heat inhibition of Pn... - Temperature response of mesophyll conductance. Implications for the determination of Rubisco enzyme kinetics and for limitations to photosynthesis in vivoCarl J Bernacchi
Department of Plant Biology, University of Illinois, Urbana, Illinois 61801, USA
Plant Physiol 130:1992-8. 2002..10 at 10 degrees C to 0.22 at 40 degrees C. This shows that transfer of CO(2) from the intercellular air space to Rubisco is a very substantial limitation on photosynthesis, especially at high temperature... - Complementation of the nuclear antisense rbcS-induced photosynthesis deficiency by introducing an rbcS gene into the tobacco plastid genomeXing-Hai Zhang
Department of Crop Sciences, University of Illinois, Urbana, IL 61801, U.S.A
Plant Cell Physiol 43:1302-13. 2002..Therefore, there is a limitation in efficient translation of the rbcS mRNA in the plastid or an incorrect processing and modification of the plastid-synthesized SS protein that might cause its rapid degradation... - Light modulation of Rubisco in Arabidopsis requires a capacity for redox regulation of the larger Rubisco activase isoformNing Zhang
Program in Physiological and Molecular Plant Biology, Department of Plant Biology, United States Department of Agriculture, Agricultural Research Service, 190 Madigan Laboratories, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
Proc Natl Acad Sci U S A 99:3330-4. 2002..These results indicate that the light modulation of Rubisco under limiting light is mainly due to the ability to regulate the activity of Rubisco activase by redox changes in the stroma... - William L. Ogren was honored with a Lifetime Achievement Award by the Rebeiz Foundation for Basic ResearchArchie R Portis
Departments of Crop Sciences and Plant Biology, University of Illinois, Urbana Champaign, IL, 61801, USA
Photosynth Res 110:213-20. 2012..It is enriched by the testimonial received from George Bowes at the time of the preparation of this report... - Oxygen-dependent H2O2 production by RubiscoKangmin Kim
United States Department of Agriculture, Agricultural Research Service, Photosynthesis Research Unit, USA
FEBS Lett 571:124-8. 2004..Two Rubiscos with lower specificity than spinach exhibited greater partitioning to H(2)O(2) during catalysis: Chlamydomonas reinhardtii (1/200); and Rhodospirillum rubrum (1/150)... - Enhanced translation of a chloroplast-expressed RbcS gene restores small subunit levels and photosynthesis in nuclear RbcS antisense plantsAmit Dhingra
Department of Molecular Biology and Microbiology, University of Central Florida, 4000 Central Florida Boulevard, Biomolecular Science, Building 20, Room 336, Orlando, FL 32816-2364, USA
Proc Natl Acad Sci U S A 101:6315-20. 2004..These results have opened an avenue for using chloroplast engineering for the evaluation of foreign Rubisco genes in planta that eventually can result in achieving efficient photosynthesis and increased crop productivity... - The life of ribulose 1,5-bisphosphate carboxylase/oxygenase--posttranslational facts and mysteriesRobert L Houtz
Department of Horticulture, Plant Physiology/Biochemistry/Molecular Biology Program, N322D Agricultural Science Center North, University of Kentucky, Lexington, KY 40546-0091, USA
Arch Biochem Biophys 414:150-8. 2003..Rubisco is also continuously assaulted by various environmental factors, resulting in its turnover and degradation by processes that appear to be enhanced during plant senescence...