Research Topics
| V NorrisSummaryCountry: France Publications
| Collaborators
|
Detail Information
Publications
The mechanical advantages of DNAV Norris
IFR Systèmes Intégrés Laboratoire de Microbiologie, Faculte des Sciences et Techniques, Universite de Rouen, Mont Saint Aignan, France
Biosystems 49:71-8. 1999..It may prove possible to test this hypothesis by studying transertion using optical tweezers and by studying wall-less L-form bacteria...- A SeqA hyperstructure and its interactions direct the replication and sequestration of DNAV Norris
Laboratoire des Processus Intégratifs Cellulaires, UPRES A CNRS 6037, IFR Systèmes Intégrés, Faculte des Sciences et Techniques, Universite de Rouen, F76821 Mont Saint Aignan Cedex, France
Mol Microbiol 37:696-702. 2000.... - Modelling Escherichia coli. The concept of competitive coherenceV Norris
IFR Systèmes Intégrés, Faculte des Sciences et Techniques, Universite de Rouen, Mont Saint Aignan, France
C R Acad Sci III 321:777-87. 1998..The simultaneous operation of these two processes I term 'competitive coherence'. To clarify and eventually test these related hypotheses, a possible computer model is outlined... - Hypothesis: membrane domains and hyperstructures control bacterial divisionV Norris
Laboratoire des Processus Intégratifs Cellulaires, UPRESA CNRS 6037, IFR Systèmes Intégrés, Faculte des Sciences et Techniques, Universite de Rouen, 76821 Cedex, Mont Saint Aignan, France
Biochimie 83:91-7. 2001..Non-equilibrium hyperstructures comprise the genes, mRNA proteins and lipids required for a particular function such as cell division, and assemble and disassemble according to the needs of the cell... - Hypothesis: a phospholipid translocase couples lateral and transverse bilayer asymmetries in dividing bacteriaVic Norris
Laboratoire des Processus Intégratifs Cellulaires, Faculte des Sciences et Techniques, Institut Federatif de Recherche Systems Integres, UPRES A CNRS 6037, Universite de Rouen, F76821 Mont Saint Aignan Cedex, France
J Mol Biol 318:455-62. 2002..We discuss briefly possible candidates for this translocase including ABC transporters and proteins localised to the division site... - Hypothesis: hyperstructures regulate initiation in Escherichia coli and other bacteriaVic Norris
Laboratoire des Processus Intégratifs Cellulaires, UPRESA CNRS 6037, Faculte des Sciences et Techniques, Universite de Rouen, 76821 Cedex, Mont Saint Aignan, France
Biochimie 84:341-7. 2002..This has the advantage of increasing the phenotypic diversity of the population. In developing this model, we also invoke hyperstructures in the partitioning of origins of replication... - A hypothesis to explain division site selection in Escherichia coli by combining nucleoid occlusion and MinVic Norris
Assemblages Moléculaires Modélisation et Imagerie SIMS, FRE CNRS 2829, Faculte des Sciences and Techniques, Universite de Rouen, 76821 Mont Saint Aignan, France
FEBS Lett 561:3-10. 2004.... - Poly-(R)-3-hydroxybutyrate and the pioneering work of Rosetta Natoli ReuschV Norris
Assemblages Moléculaires Modélisation et Imagerie SIMS, FRE CNRS 2829, Faculté de Sciences et Techniques de Rouen, 76821 Mont Saint Aignan, France
Cell Mol Biol (Noisy-le-grand) 51:629-34. 2005..Finally, Reusch has extended the importance of short chain PHB to medicine by showing its likely involvement in atherogenic plaques and diabetes. And yet this opus has gone largely unnoticed... - HypercomplexityVic Norris
Assemblages Moléculaires, Modélisation et Imagerie SIMS, FRE CNRS 2829, Faculté de Sciences et Techniques de Rouen, 76821, Mont Saint Aignan, France
Acta Biotheor 53:313-30. 2005..We suggest how these concepts lead to parameters suitable for describing the rich form of complexity termed hypercomplexity and we propose a relationship between competitive coherence and emergence... 
Functional taxonomy of bacterial hyperstructuresVic Norris
Department of Science, University of Rouen, 76821 Mont Saint Aignan Cedex, France
Microbiol Mol Biol Rev 71:230-53. 2007..We propose principles for classifying these hyperstructures and finally illustrate how thinking in terms of hyperstructures may lead to a different vision of the bacterial cell...- Toward a hyperstructure taxonomyVic Norris
Department of Science, University of Rouen, 76821 Mont Saint Aignan Cedex, France
Annu Rev Microbiol 61:309-29. 2007..Hence a taxonomy by trajectory may be desirable. Finally, we suggest that working toward a taxonomy based on speculative interactions between hyperstructures promises most insight into life at this level... - A logical (discrete) formulation for the storage and recall of environmental signals in plantsM Thellier
Laboratoire AMMIS, FRE CNRS 2829, Faculte des Sciences, Universite de Rouen, 76821 Mont Saint Aignan Cedex, France
Plant Biol (Stuttg) 6:590-7. 2004..This modelling approach may be extended to the formulation of many other experimental systems... - Long-distance transport, storage and recall of morphogenetic information in plants. The existence of a sort of primitive plant 'memory'M Thellier
Laboratoire des Processus Ioniques Cellulaires, UPRES A CNRS 6037, Faculté des Sciences de l Université de Rouen, Mont Saint Aignan, France
C R Acad Sci III 323:81-91. 2000.... 
Method for macromolecular colocalization using atomic recombination in dynamic SIMSG Legent
Laboratoire Assemblages moléculaires modélisation, et imagerie SIMS, Faculté des Sciences de l Université de Rouen, 76821 Mont Saint Aignan Cedex, France
J Phys Chem B 112:5534-46. 2008..Our results show that macromolecules can be colocalized if they are within 2 nm of one another. We discuss the potential advantages of this new technique for biological applications...- Protein phosphorylation in Escherichia coli L. form NC-7P Freestone
Department of Microbiology and Immunology, University of Leicester, UK
Microbiology 144:3289-95. 1998..Two new phosphoproteins were identified in the L-form as the DNA-binding protein Dps, and YfiD, a protein of 14 kDa with homology to pyruvate formate-lyase and a region containing a tRNA cluster in bacteriophage T5... - Phospholipid domains determine the spatial organization of the Escherichia coli cell cycle: the membrane tectonics modelV Norris
Department of Genetics, University of Leicester, U K
J Theor Biol 154:91-107. 1992..A corollary of the model explains how the formation of an origin domain by the attachment of hemi-methylated origin DNA to the membrane may underlie the creation and migration of structures within the envelope, the periseptal annuli... - Analysis of a myosin-like protein and the role of calcium in the E. coli cell cycleS Casaregola
Institut de Genetique et Microbiologie, Universite Paris Sud, Orsay, France
Res Microbiol 142:201-7. 1991..coli cell cycle. We shall also briefly indicate recent data from other laboratories consistent with our general hypothesis... - SOS-independent coupling between DNA replication and cell division in Escherichia coliA Jaffe
J Bacteriol 165:66-71. 1986..In the absence of DNA synthesis, the efficiency of coupling was modulated by the cyclic-AMP-cyclic-AMP receptor protein complex, which was required for anucleate cell production... - DNA replication termination in Escherichia coli parB (a dnaG allele), parA, and gyrB mutants affected in DNA distributionV Norris
J Bacteriol 168:494-504. 1986..coli primase. It is thus likely that the parB mutant possesses an altered primase which does not affect replication termination but causes a partial defect in replication initiation and elongation and in chromosome distribution... - Identification of phosphoproteins in Escherichia coliP Freestone
Department of Microbiology and Immunology, University of Leicester, UK
Mol Microbiol 15:573-80. 1995..In addition, a calcium-stimulated protein of 70 kDa was identified as the heat-shock protein DnaK, and a 17 kDa lipid-stimulated phosphoprotein as nucleotide diphosphate kinase... - Artefactual cleavage of E coli H-NS by OmpTM D Goldberg
Department of Microbiology and Immunology, University of Leicester, UK
Biochimie 79:315-22. 1997..Failure to take account of H-NS cleavage in sample preparation and analysis can lead to serious underestimation of H-NS levels... - The universal stress protein, UspA, of Escherichia coli is phosphorylated in response to stasisP Freestone
Department of Microbiology and Immunology, University of Leicester, Medical Sciences Building, Leicester, LE1 9HN, UK
J Mol Biol 274:318-24. 1997..In vitro, UspA undergoes a rapid and dynamic autophosphorylation, as shown by chase experiments with GTP or ATP as phosphate donors... - Tyrosine phosphorylation in Escherichia coliP Freestone
Department of Microbiology and Immunology, University of Leicester, Medical Sciences Building, Leicester, LE1 9HN, UK
J Mol Biol 279:1045-51. 1998..We propose that TypA interacts with global regulatory networks and that its phosphorylation may be relevant to pathogenesis... - Cloning and analysis of the entire Escherichia coli ams gene. ams is identical to hmp1 and encodes a 114 kDa protein that migrates as a 180 kDa proteinS Casaregola
Institut de Genetique et Microbiologie, CRNS URA 1354 Université Paris XI, Orsay, France
J Mol Biol 228:30-40. 1992..This feature would be consistent with reports that ams encodes RNaseE, an enzyme required for the processing of several stable RNAs in E. coli... - Identification of a 180 kD protein in Escherichia coli related to a yeast heavy-chain myosinS Casaregola
Department of Genetics, University of Leicester, UK
Mol Microbiol 4:505-11. 1990..coli raises the possibility that such a protein might generate the force required for movement in processes such as nucleoid segregation and cell division... - The complete phosphotranferase system in Escherichia coliJ H Tchieu
Department of Biology, University of California at San Diego, La Jolla 92093-0116, USA
J Mol Microbiol Biotechnol 3:329-46. 2001..All of these proteins are briefly described, and phylogenetic data for the major families are presented...