Research Topics
Genomes and Genes
| cell physiologySummarySummary: The functions of CELLS from the time of their origin (CELL DIVISION) to CELL DEATH. Top Publications
Research Grants
| Scientific Experts
|
Detail Information
Publications
Reduced-order modelling of biochemical networks: application to the GTPase-cycle signalling moduleM R Maurya
San Diego Supercomputer Center, La Jolla, CA 92093, USA
Syst Biol (Stevenage) 152:229-42. 2005..The proposed reduced-order modelling methodology is scalable to larger networks and provides a general framework for the reduction of models of biochemical systems...
Model-driven designs of an oscillating gene networkLisa M Tuttle
Department of Chemical Engineering and Materials Science, and Digital Technology Center, University of Minnesota, Minneapolis, Minnesota 55455, USA
Biophys J 89:3873-83. 2005..Analyzing the effect of modifications at this level provides the ability to predict how changes to experimental systems will alter the network behavior, while saving the time and expense of trial and error experimental modifications...
Cell-signalling dynamics in time and spaceBoris N Kholodenko
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Philadelphia, Pennsylvania 19107, USA
Nat Rev Mol Cell Biol 7:165-76. 2006....
A rapid and efficient PCR-based mutagenesis method applicable to cell physiology studyJae-Kyun Ko
Department of Physiology and Biophysics, Robert Wood Johnson Medical School, University of Medicine and Dentistry of New Jersey, 675 Hoes Lane, 5th Floor, Research Tower, Piscataway, NJ 08854-5635, USA
Am J Physiol Cell Physiol 288:C1273-8. 2005..This efficient and cost-effective mutagenesis method can be applied to a wide variety of structural and functional studies in cell physiology.
CellML: its future, present and pastCatherine M Lloyd
Bioengineering Institute, University of Auckland, Level 6, 70 Symonds Street, Auckland, New Zealand
Prog Biophys Mol Biol 85:433-50. 2004....
Cell physiology of cAMP sensor EpacGeorge G Holz
Department of Physiology and Neuroscience, New York University School of Medicine, New York, NY 10016, USA
J Physiol 577:5-15. 2006..Emphasized is the emerging role of Epac in the cAMP-dependent regulation of ion channel function, intracellular Ca(2+) signalling, ion transporter activity and exocytosis...
Myosin at work: motor adaptations for a variety of cellular functionsCHRISTOPHER B O'CONNELL
Department of Cell Biology, Yale University School of Medicine, New Haven, CT 06511, USA
Biochim Biophys Acta 1773:615-30. 2007..Myosins are a family of actin based molecular motors that have evolved a variety of ways to contribute to cellular organization through numerous modifications to the manner they convert that free energy into mechanical work...
Insights into electromagnetic interaction mechanismsReba Goodman
Department of Pathology, Columbia University Health Sciences, New York, New York, USA
J Cell Physiol 192:16-22. 2002..EM field induction of the stress protein hsp70 may also provide a useful biomarker for establishing a science-based safety standard for the design of cell phones and their transmission towers...
Systems biology: a brief overviewHiroaki Kitano
Sony Computer Science Laboratories, Inc, 3 14 13 Higashi Gotanda, Shinagawa, Tokyo 141 0022, Japan
Science 295:1662-4. 2002..However, many breakthroughs in experimental devices, advanced software, and analytical methods are required before the achievements of systems biology can live up to their much-touted potential...
Control and maintenance of mammalian cell sizeStephen Cooper
Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI 48109 0620, USA
BMC Cell Biol 5:35. 2004..If there is no cell-size-control system, then exponential growth is not allowed, as exponential growth, according to Conlon and Raff, would require a cell-size-control system...
Signal detection, modularity, and the correlation between extrinsic and intrinsic noise in biochemical networksSorin Tanase-Nicola
FOM Institute for Atomic and Molecular Physics, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands
Phys Rev Lett 97:068102. 2006..We discuss the consequences for a modular description of noise transmission using the mitogen-activated protein kinase cascade...
A joint model of regulatory and metabolic networksChen Hsiang Yeang
Center for Biomolecular Science and Engineering, University of California, Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
BMC Bioinformatics 7:332. 2006..Although many works have been dedicated to study each system, the coupling between them is less well understood. To bridge this gap, we propose a joint model of gene regulation and metabolic reactions...
Structural comparison of metabolic networks in selected single cell organismsDongxiao Zhu
Bioinformatics Program, University of Michigan, Ann Arbor, MI 48109, USA
BMC Bioinformatics 6:8. 2005....
SmartCell, a framework to simulate cellular processes that combines stochastic approximation with diffusion and localisation: analysis of simple networksM Ander
IBM Life Sciences, Stockholm, Sweden
Syst Biol (Stevenage) 1:129-38. 2004..Our results show that this factor might play an important role in the response of networks and cannot be neglected in cell simulations...
Reconstruction of cellular signalling networks and analysis of their propertiesJason A Papin
Department of Bioengineering, 9500 Gilman Drive, Mail Code 0412, University of California, San Diego, La Jolla, California 92093-0412, USA
Nat Rev Mol Cell Biol 6:99-111. 2005..After careful reconstruction of signalling networks, their properties must be described within an integrative framework that accounts for the complexity of the cellular signalling network and that is amenable to quantitative modelling...
Minimal cut sets in biochemical reaction networksSteffen Klamt
Max Planck Institute for Dynamics of Complex Technical Systems, Sandtorstr 1, D 39106 Magdeburg, Germany
Bioinformatics 20:226-34. 2004..Such studies will help to identify crucial parts in the network structure and to find suitable targets for repressing undesired metabolic functions...
Cellware--a multi-algorithmic software for computational systems biologyPawan Dhar
Systems Biology Group, Bioinformatics Institute, 30 Biopolis Street, No 07 01 Matrix Building, Singapore 138671
Bioinformatics 20:1319-21. 2004..AVAILABILITY: The software is available for free and can be downloaded from http://www.bii.a-star.edu.sg/sbg/cellware..
Bridging the gap between stochastic and deterministic regimes in the kinetic simulations of the biochemical reaction networksJacek Puchałka
Institute of Biochemistry and Biophysics, Polish Academy of Sciences, 02 106 Warsaw, Poland
Biophys J 86:1357-72. 2004..In a small fraction of cells severe decrease in metabolic activity may also occur. Both effects are epigenetically inherited by the progeny of the cell in which the random delay in transcription initiation occurred...
Inferring dynamic architecture of cellular networks using time series of gene expression, protein and metabolite dataEduardo Sontag
Department of Mathematics, Rutgers University, Piscataway, NJ 08854, USA
Bioinformatics 20:1877-86. 2004..SUPPLEMENTARY INFORMATION: Supplementary material is available at http://www.dbi.tju.edu/bioinformatics2004.pdf..
Web-based kinetic modelling using JWS OnlineBrett G Olivier
Department of Biochemistry, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa
Bioinformatics 20:2143-4. 2004..AVAILABILITY: The JWS Online website is publicly accessible at http://jjj.biochem.sun.ac.za/ with mirrors at http://www.jjj.bio.vu.nl/ and http://jjj.vbi.vt.edu/..
A proteomic view of cell physiology of Bacillus licheniformisBirgit Voigt
, , Greifswald, Germany
Proteomics 4:1465-90. 2004..The data indicate that proteomics can be a valuable tool to describe the physiological state of B. licheniformis cell populations, e.g., of cells growing in a bioreactor...
Computation of elementary modes: a unifying framework and the new binary approachJulien Gagneur
Cellzome AG, Meyerhofstr 1, 69117 Heidelberg, Germany
BMC Bioinformatics 5:175. 2004..However, computing elementary modes is a hard computational task. In recent years we assisted in a multiplication of algorithms dedicated to it. We require a summarizing point of view and a continued improvement of the current methods...
A new measure of the robustness of biochemical networksBor Sen Chen
Lab of Control and Systems Biology, Department of Electrical Engineering, National Tsing Hua University, Hsinchu, 300, Taiwan, ROC
Bioinformatics 21:2698-705. 2005....
Dizzy: stochastic simulation of large-scale genetic regulatory networksStephen Ramsey
Institute for Systems Biology, 1441 North 34th Street, Seattle, Washington 98103-8904, USA
J Bioinform Comput Biol 3:415-36. 2005..Notable features include a modular simulation framework, reusable modeling elements, complex kinetic rate laws, multi-step reaction processes, steady-state noise estimation, and spatial compartmentalization...
Algorithmic approaches for computing elementary modes in large biochemical reaction networksS Klamt
Max Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany
Syst Biol (Stevenage) 152:249-55. 2005..The new methods have been implemented in the freely available software tools FluxAnalyzer and Metatool and benchmark tests in realistic networks emphasise the potential of our proposed algorithms...
Plasma membrane estrogen receptors exist and functions as dimersMahnaz Razandi
Long Beach Veterans Affairs Medical Center University of California Irvine, 5901 East 7th Street, Long Beach, California 90822, USA
Mol Endocrinol 18:2854-65. 2004..In summary, endogenous membrane ERs exist as dimers, a structural requirement that supports rapid signal transduction and affects cell physiology.
Two approaches for metabolic pathway analysis?Steffen Klamt
Max Planck Institute for Dynamics of Complex Technical Systems, Sandtorstr 1, D 39106 Magdeburg, Germany
Trends Biotechnol 21:64-9. 2003..This is quite often the case in realistic applications. In our opinion, the unification of both approaches into one common framework for metabolic pathway analysis is necessary and achievable...
A methodology for the structural and functional analysis of signaling and regulatory networksSteffen Klamt
Max Planck Institute for Dynamics of Complex Technical Systems, Sandtorstrasse 1, D 39106 Magdeburg, Germany
BMC Bioinformatics 7:56. 2006..While the structural analysis of metabolic networks is a well-established field, similar methodologies have been scarcely developed and applied to signaling and regulatory networks...
The global transcriptional regulatory network for metabolism in Escherichia coli exhibits few dominant functional statesChristian L Barrett
Bioengineering Department, University of California at San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0412, USA
Proc Natl Acad Sci U S A 102:19103-8. 2005....
Generalized concept of minimal cut sets in biochemical networksSteffen Klamt
Max Planck Institute for Dynamics of Complex Technical Systems, Sandtorstrasse 1, D 39106 Magdeburg, Germany
Biosystems 83:233-47. 2006..In the light of the extended framework of MCSs, applications for assessing, manipulating, and designing metabolic networks in silico are discussed...
The connectivity structure, giant strong component and centrality of metabolic networksHong-Wu Ma
Department of Genome Analysis, GBF - German Research Center for Biotechnology, Mascheroder Weg 1, 38124 Braunschweig, Germany
Bioinformatics 19:1423-30. 2003..OCCI correlates well with the average path length of the GSC and is a useful parameter for a system-level comparison of metabolic networks of different organisms. SUPPLEMENTARY INFORMATION: http://genome.gbf.de/bioinformatics/..
Integrating molecular and network biology to decode endocytosisEva M Schmid
MRC Laboratory of Molecular Biology, Hills Road, Cambridge CB2 0QH, UK
Nature 448:883-8. 2007..This permits the elucidation of additional design principles and of spatio-temporal dynamics behind pathways, and aids in experimental design and interpretation...
BioModels Database: a free, centralized database of curated, published, quantitative kinetic models of biochemical and cellular systemsNicolas Le Novère
European Bioinformatics Institute EMBL, Wellcome Trust Genome Campus, Hinxton, CB10 1SD, UK
Nucleic Acids Res 34:D689-91. 2006..This allows the users to search accurately for the models they need. The models can currently be retrieved in the SBML format, and import/export facilities are being developed to extend the spectrum of formats supported by the resource...
Spatiotemporal chemical dynamics in living cells: from information trafficking to cell physiologyHoward R Petty
Department of Ophthalmology, The University of Michigan Medical School, 1000 Wall Street, Ann Arbor, MI 48105, USA
Biosystems 83:217-24. 2006..In this article I will review some of these basic findings, discuss these events in the context of information trafficking, and illustrate the potential implications of this work in medicine...
PATIKA: an integrated visual environment for collaborative construction and analysis of cellular pathwaysE Demir
Department of Molecular Biology and Genetics Computer Engineering Department Center for Bioinformatics, Bilkent University, Ankara 06533, Turkey
Bioinformatics 18:996-1003. 2002..AVAILABILITY: A prototype of Patika is available upon request from the authors...
Boolean dynamics of biological networks with multiple coupled feedback loopsYung Keun Kwon
College of Medicine and Bio MAX Institute, Seoul National University, Seoul, Korea
Biophys J 92:2975-81. 2007....
Control, exploitation and tolerance of intracellular noiseChristopher V Rao
Department of Bioengineering, University of California, Berkeley, California 94720, USA
Nature 420:231-7. 2002..How can we explain the use, rejection and sensitivity to noise that is found in biological systems? An exploration of the sources and consequences of noise calls for the use of stochastic models...
Metabolic network structure determines key aspects of functionality and regulationJörg Stelling
Max Planck Institute for Dynamics of Complex Technical Systems, D 39106 Magdeburg, Germany
Nature 420:190-3. 2002..This is achieved by determining and analysing the non-decomposable pathways able to operate coherently at steady state (elementary flux modes). We use the example of Escherichia coli central metabolism to illustrate the method...
Twenty years of calcium imaging: cell physiology to dye forHarm J Knot
Department of Pharmacology and Therapeutics and Division of Cardiology College of Medicine, University of Florida, Gainesville, FL, USA
Mol Interv 5:112-27. 2005....
Molecular networks: the top-down viewDennis Bray
Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK
Science 301:1864-5. 2003..Network theory can give a useful overview of how a biological system works. But to make testable predictions, we need the details...
Investigations of protein structure and function using the scientific literature: an assignment for an undergraduate cell physiology courseAmy B Mulnix
Department of Biology, Drawer 83, Earlham College, 801 National Road West, Richmond, Indiana 47374, USA
Cell Biol Educ 2:248-55. 2003..here, one that investigates protein structure and function, was designed for use in a sophomore-level cell physiology course at Earlham College...
Single-molecule visualization in cell biologyYasushi Sako
Nanobiology Laboratories, Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
Nat Rev Mol Cell Biol . 2003..In this article, we discuss how single-molecule visualization can be used in cell biology...
Single walled carbon nanotubes (SWCNT) affect cell physiology and cell architectureJean Pierre Kaiser
Materials Biology Interactions Laboratory, Materials Science and Technology Empa, Lerchenfeldstrasse 5, St Gallen CH 9014, Switzerland
J Mater Sci Mater Med 19:1523-7. 2008..The effect on cell behaviour (cell proliferation, cell activity, cytoskeleton organization, apoptosis and cell adhesion) were dependent on cell type, SWCNT quality (purified or not) and SWCNT concentration...
Using a state-space model with hidden variables to infer transcription factor activitiesZheng Li
Department of Chemical Engineering and Material Science, Michigan State University East Lansing, 48824, USA
Bioinformatics 22:747-54. 2006..AVAILABILITY: Supplementary data and Matlab code will be made available at the URL below. SUPPLEMENTARY INFORMATION: http://www.chems.msu.edu/groups/chan/ssm.zip...
On the use of qualitative reasoning to simulate and identify metabolic pathwaysRoss D King
Department of Computer Science, University of Wales, Aberystwyth, UK
Bioinformatics 21:2017-26. 2005..The two most commonly used alternative methods of modelling biochemical pathways are ordinary differential equations (ODEs), and logical/graph-based (LG) models...
Deterministic projection by growing cell structure networks for visualization of high-dimensionality datasetsJason W H Wong
Physical and Theoretical Chemistry Laboratory, Department of Chemistry, Oxford University, South Parks Road, Oxford OX1 3QZ, UK
J Biomed Inform 38:322-30. 2005..The results suggest that deterministic projection outperforms existing methods and is suitable for the visualization of datasets of very high dimensionality...
Development and implementation of an algorithm for detection of protein complexes in large interaction networksMd Altaf-Ul-Amin
Department of Bioinformatics and Genomics, Graduate School of Information Science, Nara Institute of Science and Technology, 8916 5 Takayama, Ikoma, Nara 630 0101, Japan
BMC Bioinformatics 7:207. 2006..The enormous size of protein-protein interaction (PPI) networks warrants development of efficient computational methods for extraction of significant complexes...
Applications of beta-mixture models in bioinformaticsYuan Ji
Department of Biostatistics, The University of Texas M.D. Anderson Cancer Center, Houston, 77030, USA
Bioinformatics 21:2118-22. 2005..SUPPLEMENTARY INFORMATION: http://odin.mdacc.tmc.edu/~yuanj/highcorgeneanno.html...
Automatic network coupling analysis for dynamical systems based on detailed kinetic modelsDirk Lebiedz
Interdisciplinary Center for Scientific Computing, Im Neuenheimer Feld 368, D 69120 Heidelberg, Germany
Phys Rev E Stat Nonlin Soft Matter Phys 72:041911. 2005....
Time accelerated Monte Carlo simulations of biological networks using the binomial tau-leap methodAbhijit Chatterjee
Department of Chemical Engineering, University of Delaware, Newark, 19716, USA
Bioinformatics 21:2136-7. 2005..dion.che.udel.edu/multiscale/Introduction.html. Fortran 90 code available for academic use by email. SUPPLEMENTARY INFORMATION: Details about the binomial tau-leap algorithm, software and a manual are available at the above website...
Using large-scale perturbations in gene network reconstructionThomas MacCarthy
CoMPLEX, University College London, 4 Stephenson Way, London NW1 2HE, UK
BMC Bioinformatics 6:11. 2005..The method is tested on artificial gene networks with biologically realistic in/out degree characteristics...
BIOCHAM: an environment for modeling biological systems and formalizing experimental knowledgeLaurence Calzone
Projet Contraintes, INRIA Rocquencourt, BP105, 78153 Le Chesnay Cedex, France
Bioinformatics 22:1805-7. 2006..AVAILABILITY: BIOCHAM (v. 2.5) is a free software available for download, with example models, at http://contraintes.inria.fr/BIOCHAM/...
Improved parameter estimation for systems with an experimentally located Hopf bifurcationG Cedersund
Department of Electrical Engineering, Linkoping University, Sweden
Syst Biol (Stevenage) 152:161-8. 2005..A method that can solve the new formulation of the problem is presented, and the advantage of adding the prior knowledge is demonstrated on the Brusselator...
Reverse engineering of biochemical equations from time-course data by means of genetic programmingMasahiro Sugimoto
Institute for Advanced Biosciences, Keio University, Tsuruoka, Yamagata, Japan
Biosystems 80:155-64. 2005..The mean errors between given and simulation-predicted time-courses were 1.6 x 10(-5)% and 2.0 x 10(-3)%, respectively. Our equation prediction approach can be applied to identify metabolic reactions from observable time-courses...
Local modeling of global interactome networksDenise Scholtens
Department of Biostatistics, Harvard School of Public Health, Boston, MA 02115, USA
Bioinformatics 21:3548-57. 2005..Static graphs currently used to model Y2H and AP-MS data neglect dynamic and spatial aspects of macromolecular complexes and pleiotropic protein function...
Logic backbone of a transcription networkM Cosentino Lagomarsino
UMR 168/Institut Curie, 26 rue d'Ulm, 75005 Paris, France
Phys Rev Lett 95:158701. 2005..Notably, the model exhibits a connectivity transition between a regime of simple gene control, where the input genes control O(1) other genes, and a regime of complex control, where some core input genes control O(N) others...
Propagation of extrinsic perturbation in a negatively auto-regulated pathwayR Maithreye
Centre for Cellular and Molecular Biology, Hyderabad, India
Phys Biol 4:48-59. 2007..Thus, the dynamic response of multi-step biochemical pathways to external perturbation depends on their biochemical, topological and dynamical features...
A hybrid approach for efficient and robust parameter estimation in biochemical pathwaysMaria Rodriguez-Fernandez
Process Engineering Group, IIM-CSIC, Spanish Council for Scientific Research, C/Eduardo Cabello 6, 36208 Vigo, Spain
Biosystems 83:248-65. 2006....
On a systematic procedure for the predetermination of macroscopic reaction schemesX Hulhoven
Service de Chimie générale et Biosystèmes, Universite Libre de Bruxelles, CP 165 61, 50 Avenue F D Roosevelt, 1050 Brussels, Belgium
Bioprocess Biosyst Eng 27:283-91. 2005..One of the main features of the method is that the yield (or pseudo-stoichiometric) coefficients can be estimated independently of the kinetics. The method is illustrated with simulation results and an experimental case study...
Hierarchical modularity of nested bow-ties in metabolic networksJing Zhao
School of Life Sciences and Technology, Shanghai Jiao Tong University, Shanghai 200240, China
BMC Bioinformatics 7:386. 2006..Topological analysis of graph models has often been applied to study the structural characteristics of complex metabolic networks...
SNA--a toolbox for the stoichiometric analysis of metabolic networksRobert Urbanczik
Institute of Pharmacology, University of Bern, Friedbühlstr 49, CH 3010 Bern, Switzerland
BMC Bioinformatics 7:129. 2006..Despite recent algorithmic and conceptual progress, the stoichiometric network analysis of large metabolic models remains a computationally challenging problem...
SBML-PET: a Systems Biology Markup Language-based parameter estimation toolZhike Zi
Max Planck Institute for Molecular Genetics, Ihnestr 73 14195 Berlin, Germany
Bioinformatics 22:2704-5. 2006..A classic ODE Solver called ODEPACK is used to solve the Ordinary Differential Equation (ODE) system. AVAILABILITY: http://sysbio.molgen.mpg.de/SBML-PET/. The website also contains detailed documentation for SBML-PET...
PheGe, the platform for exploring genotype-phenotype relations on cellular and organism levelKlaus Seidl
German Research Centre for Biotechnology GBF, Braunschweig, Germany
Proc IEEE Comput Soc Bioinform Conf 1:79-86. 2002....
SEBINI: Software Environment for BIological Network InferenceRonald C Taylor
Computational Biology and Bioinformatics Group, Pacific Northwest National Laboratory Richland, WA, USA
Bioinformatics 22:2706-8. 2006..AVAILABILITY: A demonstration website is located at https://www.emsl.pnl.gov/NIT/NIT.html. The Java source code and PostgreSQL database schema are available freely for non-commercial use...
Improving gene network inference by comparing expression time-series across species, developmental stages or tissuesGuillaume Bourque
Centre de Recherches Mathématiques, Universite de Montreal, Montreal, Quebec, H3C 3J7, Canada
J Bioinform Comput Biol 2:765-83. 2004..We show how this comparative framework can facilitate the recovery of the networks and improve the quality of the solutions inferred...
Dynamics of a two-dimensional model of cell tissues with coupled stochastic gene networksAndre S Ribeiro
Institute of Signal Processing, Tampere University of Technology, P O Box 553, 33101 Tampere, Finland
Phys Rev E Stat Nonlin Soft Matter Phys 76:051915. 2007..The results provide an explanation of how cells with bistable GRNs, inherently stochastic, can synchronize or uniformly differentiate into stable states, by interacting with nearest neighbors...
Synthetic biology evolvesWilliam J Blake
Department of Biomedical Engineering, Boston University, 44 Cummington Street, Boston, MA 02215, USA
Trends Biotechnol 22:321-4. 2004..An integrated approach that includes a strategy of in silico design by evolution, together with efforts exploiting directed evolution in vivo, is likely to be the next step in the evolution of synthetic biology...
In silico simulation of biological network dynamicsLukasz Salwinski
UCLA-DOE Institute for Genomics and Proteomics, Howard Hughes Medical Institute, Molecular Biology Institute, Los Angeles, CA 90095-1570, USA
Nat Biotechnol 22:1017-9. 2004..The parallel architecture of FPGAs, which can simulate the basic reaction steps of biological networks, attains simulation rates at least an order of magnitude greater than currently available microprocessors...
Reconstructing gene regulatory networks: from random to scale-free connectivityJ Wildenhain
Tyers Lab, Samuel Lunenfeld Research Institute, 600 University Avenue, Toronto, Ontario, Canada
Syst Biol (Stevenage) 153:247-56. 2006..Because this new approach does not make any assumptions about the distribution of network connections, it is suitable for application to scale-free networks...
OBIYagns: a grid-based biochemical simulator with a parameter estimatorShuhei Kimura
Bioinformatics Group, RIKEN Genomic Sciences Center, 1-7-22 Suehirocho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
Bioinformatics 20:1646-8. 2004..AVAILABILITY: OBIYagns example models, methods and user guide are available at https://access.obigrid.org/yagns/ SUPPLEMENTARY INFORMATION: Please refer to Bioinformatics online...
Topology of gene expression networks as revealed by data mining and modelingAlexander V Lukashin
Biogen Inc, 14 Cambridge Center, Cambridge, MA 02142, USA
Bioinformatics 19:1909-16. 2003..We investigate the robustness of the network structure to random damages and to deliberate removal of the most important parts of the system and show a surprising tolerance of gene expression networks to both kinds of disturbance...
A case study in pathway knowledgebase verificationStephen A Racunas
Computational Learning Laboratory, Stanford University, CA, USA
BMC Bioinformatics 7:196. 2006..But before we can reliably use a pathway knowledge-base as a data source, we need to proofread it to ensure that it can fully support computer-aided information integration and inference...
Unravelling gene networks from noisy under-determined experimental perturbation dataA de la Fuente
Virginia Bioinformatics Institute, Virginia Polytechnic Institute and State University, Bioinformatics Facility I 0477, Blacksburg, VA 24061, USA
Syst Biol (Stevenage) 153:257-62. 2006..At lower number of perturbations, although still being able to recover the majority of the connections, less confidence can be placed in the recovered edges...
Computational approach to systems biology: from fraction to integration and beyondPawan K Dhar
Systems Biology Group, Bioinformatics Institute, Singapore 138671
IEEE Trans Nanobioscience 3:144-52. 2004..In this paper, we describe basic concepts of systems biology, modeling challenges that arise from the massively parallel interaction among components in biological systems, and what lies beyond integration of modular knowledge...
Computational methodologies for modelling, analysis and simulation of signalling networksDavid Gilbert
Bioinformatics Research Centre, A416, Davidson Building University of Glasgow, Glasgow G12 8QQ, Scotland, UK
Brief Bioinform 7:339-53. 2006..An advantage offered by many of these alternative techniques, which have their origins in computing science, is the ability to perform sophisticated model analysis which can better relate predicted behaviour and observations...
Hybrid simulations of stochastic reaction-diffusion processes for modeling intracellular signaling pathwaysK H Chiam
Bioinformatics Institute, 30 Biopolis Street, Singapore 138671, Singapore
Phys Rev E Stat Nonlin Soft Matter Phys 74:051910. 2006..Second, we show that the presence of scaffold proteins can modify the phosphorylation activity of a mitogen-activated protein kinase cascade, and explain how this activity is modulated by the scaffold protein concentration...
Cerebral: a Cytoscape plugin for layout of and interaction with biological networks using subcellular localization annotationAaron Barsky
Department of Computer Science, University of British Columbia, Vancouver, British Columbia, Canada
Bioinformatics 23:1040-2. 2007..Cerebral scales well to networks containing thousands of nodes. AVAILABILITY: http://www.pathogenomics.ca/cerebral..
The community structure of human cellular signaling networkYuanbo Diao
College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, China
J Theor Biol 247:608-15. 2007..The involved experiment data can be found in the supplementary material...
Incremental and unifying modelling formalism for biological interaction networksAnastasia Yartseva
IBISC Université d Evry Val d Essonne, Tour Evry 2, 523 Place des Terrasses de l Agora, F 91000 Evry, France
BMC Bioinformatics 8:433. 2007..An appropriate choice of the modeling formalism from the broad range of existing ones may be crucial for efficiently describing and analyzing biological systems...
Dynamics of HIV infection studied with cellular automata and conformon-P systemsDavid W Corne
School of Mathematical and Computer Sciences, Heriot Watt University, Edinburgh EH14 4AS, United Kingdom
Biosystems 91:531-44. 2008..In contrast, the cP system model is robust to a wide range of conditions and parameters, with more reproducible qualitative agreement to the overall dynamics and to the densities of healthy and infected cells observed in vivo...
Challenges to be faced in the reconstruction of metabolic networks from public databasesM G Poolman
School of Biology and Molecular Science, Oxford Brookes University, Oxford OX3 0BP, UK
Syst Biol (Stevenage) 153:379-84. 2006..The metabolic networks for a number of organisms are reconstructed from KEGG and BioCyc databases, and features of these networks are related to properties of their originating database...
ScrumPy: metabolic modelling with PythonM G Poolman
School of Molecular and Biological Sciences, Oxford Brooks University, Oxford OX3 0BP, UK
Syst Biol (Stevenage) 153:375-8. 2006..ScrumPy is released under the Gnu Public Licence, and available for download from http://mudshark.brookes.ac.uk/ ScrumPy...
Investigating the dynamic behavior of biochemical networks using model familiesMarc Daniel Haunschild
Department of Simulation, University of Siegen, Paul-Bonatz-Strasse 9-11, D-57068 Siegen, Germany
Bioinformatics 21:1617-25. 2005..MMT2 supplies XML model specification and several software interfaces. The performance of MMT2 is illustrated by several examples from ongoing research projects. AVAILABILITY: http://www.simtec.mb.uni-siegen.de/ CONTACT: ...
Grid cellware: the first grid-enabled tool for modelling and simulating cellular processesPawan K Dhar
Systems Biology Group, Bioinformatics Institute, 30 Biopolis Street, 07 01, Matrix, Singapore 138671
Bioinformatics 21:1284-7. 2005..Grid Cellware implements various pathway simulation algorithms along with adaptive Swarm algorithm for parameter estimation. For enchanced computational productivity Grid Cellware uses grid technology with Globus as the middleware...
Summation theorems for flux and concentration control coefficients of dynamic systemsR Conradie
Department of Biochemistry, University of Stellenbosch, Private Bag X1, Matieland 7602, South Africa
Syst Biol (Stevenage) 153:314-7. 2006....
Time-dependent hierarchical regulation analysis: deciphering cellular adaptationF J Bruggeman
BioCentre Amsterdam, Faculty of Earth and Life Sciences, Department of Molecular Cell Physiology, Vrije Universiteit, De Boelelaan 1085, NL 1081 HV, Amsterdam, The Netherlands
Syst Biol (Stevenage) 153:318-22. 2006..Here, the analysis is extended to the regulation of time-dependent phenomena, for which two methods are introduced and illustrated with a kinetic model incorporating transcription and translation of metabolic enzymes...
Metabolic control analysis for large changes: extension to variable elasticity coefficientsL Acerenza
Systems Biology Laboratory, Faculty of Sciences, University of the Republic, Igvá 4225, Montevideo 11400, Uruguay
Syst Biol (Stevenage) 153:323-6. 2006..Our analysis shows that the pattern of control for large changes is quantitatively and qualitatively different from the one obtained applying the infinitesimal treatment...
Modeling and simulation of intracellular dynamics: choosing an appropriate frameworkOlaf Wolkenhauer
Systems Biology and Bioinformatics Group, University of Rostock, Rostock 18051, Germany
IEEE Trans Nanobioscience 3:200-7. 2004....
Conditions for effective allosteric feedforward and feedback in metabolic pathwaysJ H S Hofmeyr
Triple J Group for Molecular Cell Physiology, Department of Biochemistry, University of Stellenbosch, Stellenbosch 7600, South Africa
Syst Biol (Stevenage) 153:327-31. 2006..The prediction is that catalytic effects that change the apparent limiting velocity would be more effective in feedforward activation...
Exploiting biological complexity for strain improvement through systems biologyGregory Stephanopoulos
Department of Chemical Engineering, Massachusetts Institute of Technology, Room 56 469, Cambridge, MA 02139, USA
Nat Biotechnol 22:1261-7. 2004....
VitaPad: visualization tools for the analysis of pathway dataMatthew Holford
Center for Statistical Genomics and Proteomics, Yale University, New Haven, CT 06520, USA
Bioinformatics 21:1596-602. 2005..Packages that support the creation of pathway diagrams are limited by their inability to be readily extended to new classes of pathway-related data...
What makes biochemical networks tick?Boris N Goldstein
Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow Region, Russia
Eur J Biochem 271:3877-87. 2004..Realistic biochemical examples are analyzed with the new method, illustrating two new main classes of oscillophore topologies...
A biomolecular computing method based on Rho family GTPasesJian Qin Liu
ATR Human Information Science Laboratories, 2 2 2, Hikaridai, Keihanna Science City, Kyoto 619 0288, Japan
IEEE Trans Nanobioscience 2:58-62. 2003....
Connectivity matrix method for analyses of biological networks and its application to atom-level analysis of a model network of carbohydrate metabolismJ Ohta
Global Health and Environmental Sciences, Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, 2 5 1 Shikatacho, Okayama 700 8558, Japan
Syst Biol (Stevenage) 153:372-4. 2006....
Pathway classification of TCA cycleS Peres
Physiopathologie Mitochondriale, INSERM U688, University Bordeaux 2, France
Syst Biol (Stevenage) 153:369-71. 2006..The analysis of this network evidences a great number of elementary flux modes (204) despite the low number of reactions (23). The ACoM is used to class these elementary modes in a low number of sets (8) with biological meanings...
Expansion of signal transduction networksB Binder
Theoretical Biophysics, Institute of Biology, Humboldt University Berlin, Invalidenstrasse 42, Berlin D 10115, Germany
Syst Biol (Stevenage) 153:364-8. 2006..The presented results may put forth valuable hints on the evolution of signalling networks...
Metabolic control analysis under uncertainty: framework development and case studiesLiqing Wang
Department of Chemical and Biological Engineering, Northwestern University, Evanston, Illinois 60616, USA
Biophys J 87:3750-63. 2004....
An ethnopharmacological survey and in vitro confirmation of ethnopharmacological use of medicinal plants used for wound healing in Bosomtwi-Atwima-Kwanwoma area, GhanaChristian Agyare
Department of Pharmaceutics, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
J Ethnopharmacol 125:393-403. 2009..In vitro screening of selected extracts from these plants on cell physiology of human dermal fibroblasts and keratinocytes was to be performed.
Neuroreceptors and ion channels as the basis for drug action: past, present, and futureT Narahashi
Department of Molecular Pharmacology and Biological Chemistry, Northwestern University Medical School, Chicago, Illinois 60611, USA
J Pharmacol Exp Ther 294:1-26. 2000..of this field depends at least in part on the theoretical and technological developments of excitable cell physiology, biophysics, and biochemistry. First, a brief historical development is described...
Cross genome phylogenetic analysis of human and Drosophila G protein-coupled receptors: application to functional annotation of orphan receptorsRaghu Prasad Rao Metpally
National Centre for Biological Sciences, Tata Institute of Fundamental Research, UAS GKVK Campus, Bellary Road, Bangalore 560065, India
BMC Genomics 6:106. 2005..known superfamilies and are the main focus of intense pharmaceutical research due to their key role in cell physiology and disease. A large number of putative GPCRs are 'orphans' with no identified natural ligands...
Involvement of MAPKs in endostatin-mediated regulation of blood-retinal barrier functionMatthew Campbell
UCD School of Biomolecular Biomedical Sciences, Conway Institute, University College Dublin, Dublin, Ireland
Curr Eye Res 31:1033-45. 2006..In order to determine the mechanism of endostatin action on BRB integrity, we have examined the effects of endostatin on a number of intracellular pathways implicated in endothelial cell physiology.
Research Grants
- STRUCTURE OF NA+/K+ ATPASEROBERT FARLEY; Fiscal Year: 1993..Despite the important role of Na, K-ATPase in animal cell physiology, the mechanism of active transport catalyzed by this protein is unknown...
- Stem cells in liver regeneration: fusion or plasticityBryon E Petersen; Fiscal Year: 2010..The foremost questions are: what molecular mechanisms are involved in oval cell physiology, and can these pathways be manipulated to enhance their therapeutic value in treating liver disorders? The ..
- Integrated control of Caulobacter cell physiology by visible light and stressSean Crosson; Fiscal Year: 2010..Our proposed research on LOV-HK regulation of cell physiology using the powerful Caulobacter model system promises to provide insight into new modes of photoregulation in ..
- Role of a9b1 Integrin in lymphangiogenesisNicholas Vlahakis; Fiscal Year: 2007..The principal investigator has completed three years of cell physiology training as a clinician investigator and Glaxo Research Grant Awardee and subsequently two further years of ..
- The Nerve Terminal as the Site of Action for Type-2 AlkenesRICHARD LOPACHIN; Fiscal Year: 2009..However, NO can also modulate cell physiology by forming reversible adducts with cysteine thiolates in protein catalytic triads...
- The Nerve Terminal as the Site of Action for Type-2 AlkenesRICHARD MICHAEL LOPACHIN; Fiscal Year: 2010..However, NO can also modulate cell physiology by forming reversible adducts with cysteine thiolates in protein catalytic triads...
- Direct integration of cortical electrodes by conducting polymers deposited in-vivDavid C Martin; Fiscal Year: 2010..will investigate the role of wound healing around the probe on the subsequent polymerization and associated cell physiology in the reactive zone by waiting for different periods of time before initiating the reaction...
- INTERCELLULAR COMMUNICATION IN BONE CELL PHYSIOLOGYRoberto Civitelli; Fiscal Year: 2000..Therefore, the results of this project will define a fundamental mechanism that regulates osteoblast function in health and disease, and lay the basis for novel therapeutic approaches for the management of osteoporotic syndromes. ..
- STRUCTURE OF NA+/K+ ATPASEROBERT FARLEY; Fiscal Year: 2000..Despite the important role of Na, K-ATPase in animal cell physiology, the mechanism of active transport catalyzed by this protein is unknown...
- Oncolytic Virotherapy of Meningeal CancerMatthias Gromeier; Fiscal Year: 2010..Oncogenic signaling is pleiotropic, modifying cell physiology at any conceivable level...
- Oncolytic Virotherapy of Meningeal CancerMatthias Gromeier; Fiscal Year: 2009..Oncogenic signaling is pleiotropic, modifying cell physiology at any conceivable level...
- RNA DUPLEX UNWINDASEKazuko Nishikura; Fiscal Year: 1993Double-stranded RNA is produced within cells by several processes that have an important impact on cell physiology. Examples include mRNA processing, switching off gene expression by endogenous antisense RNA, and replication of RNA ..
- Targeting the processing of the arenavirus glycoprotein for anti-viral therapy.Juan C de la Torre; Fiscal Year: 2010..the activation of several transcription factors implicated in the regulation of processes required for normal cell physiology, and high expression levels of GP in arenavirus infected cells may interfere with the normal activity of S1P, ..
- GLOBAL CONTROL OF DIFFERENTIATION IN CAULOBACTERYves V Brun; Fiscal Year: 2010..Caulobacter crescentus to understand how cell division, polar localization, morphological changes, and cell physiology are coordinated during bacterial growth...
- GLOBAL CONTROL OF DIFFERENTIATION IN CAULOBACTERYVES BRUN; Fiscal Year: 2009..Caulobacter crescentus to understand how cell division, polar localization, morphological changes, and cell physiology are coordinated during bacterial growth...
- Ubiquitin-like Small Archaeal Protein Modification (SAMPylation)Julie A Maupin Furlow; Fiscal Year: 2010..and proteasomal knockout mutations, thus providing early insight into how this modification may influence cell physiology. The chemistry of SAMPylation appears analogous in chemistry to ubiquitination based on the requirement of ..
- Regulation and Function of hTERT in Human CellsWilliam C Hahn; Fiscal Year: 2010..Although it is clear that subunit of TERT contributes to both normal and malignant cell physiology beyond its role in telomere maintenance...
- VOLTAGE SENSITIVE SODIUM CHANNELS IN BRAINWilliam A Catterall; Fiscal Year: 2010Electrical signaling is a nearly universal process in cell physiology, initiating and controlling movement, secretion, enzyme activity, and gene expression...
- REGULATION OF NUCLEAR ENVELOPE ASSEMBLY AND DISASSEMBLYKatherine Wilson; Fiscal Year: 2009..However, emerin is expressed in nearly all tissues, suggesting wider roles in cell physiology. Our recent purification and characterization of six distinct emerin-containing complexes from HeLa cell ..
- REGULATION OF NUCLEAR ENVELOPE ASSEMBLY AND DISASSEMBLYKatherine L Wilson; Fiscal Year: 2010..However, emerin is expressed in nearly all tissues, suggesting wider roles in cell physiology. Our recent purification and characterization of six distinct emerin-containing complexes from HeLa cell ..
- Regulation of EGFR Signaling by the Endocytic PathwayBrian P Ceresa; Fiscal Year: 2010..receptors that induce intracellular, biochemical changes that are integrated to invoke specific changes in cell physiology. While the exquisite specificity of this system has been long appreciated, the molecular mechanism by which ..
- STUDIES OF SICKLING MECHANISMS & RED CELL MEMBRANESROBERT BOOKCHIN; Fiscal Year: 1993..dehydrated SS cells in the circulation, and emphasis on basic issues relevant to other red cell disorders and cell physiology: I...
- The Role of MYST Histone Acetyltransferase in Genome StabilityM Mitchell Smith; Fiscal Year: 2010Dynamic protein acetylation is essential for normal cell physiology and development. Indeed, defects in acetyltransferases are associated with a wide variety of human diseases...
- Regulation and function of cGMP dependent protein kinase in cardiac hypertrophyEiki Takimoto; Fiscal Year: 2009..guanosine-3', 5'-monophosphate (cGMP) is an intracellular second messenger which controls diverse cell physiology. Accumulating evidence shows that enhanced synthesis of cGMP by nitric oxide or natriuretic peptides ..
- Regulation and function of cGMP dependent protein kinase in cardiac hypertrophyEiki Takimoto; Fiscal Year: 2010..guanosine-3', 5'-monophosphate (cGMP) is an intracellular second messenger which controls diverse cell physiology. Accumulating evidence shows that enhanced synthesis of cGMP by nitric oxide or natriuretic peptides ..
- Mechanisms of Arsenic Toxicity in Vascular DevelopmentJ Douglas Coffin; Fiscal Year: 2003..and miscarriage, and to characterize the molecular mechanisms for arsenic mediated alteration of endothelial cell physiology. Our preliminary data suggest that arsenic and arsenic-metal mixtures dramatically alter endothelial cell ..
- Molecular basis for the regulation of G protein-coupled receptor kinasesJohn J G Tesmer; Fiscal Year: 2010G protein-coupled receptors (GPCRs) are key regulators of cell physiology, controlling processes that range from the sensation of light to the contractility of the heart...
- TRAINING GRANT IN TRAUMA, BURN AND WOUND HEALING RESCYNTHIA MARCELO; Fiscal Year: 2007..It will provide basic training in cell physiology, physiology, biomedical engineering, biochemistry and molecular biology...
