Denis Thieffry

attractive cycles in a (2009)

Élisabeth Remy, Paul Ruet, Denis Thieffry

Graphic requirements for multistability and

1 Positive or negative regulatory circuit inference from multilevel dynamics (2009)

Élisabeth Remy, Paul Ruet, Denis Thieffry, Marseille Cedex (france

Summary. In the course of his work on the analysis of genetic regulatory networks represented by signed directed graphs, R. Thomas has proposed that the occurrence of a positive regulatory circuit is...

Modeling ERBB receptor-regulated G1/S transition to find novel targets for de novotrastuzumab resistance (2009)

Sahin, Özgür, Fröhlich, Holger, Löbke, Christian, Korf, Ulrike, Burmester, Sara, Majety, Meher, ...

Abstract Background In breast cancer, overexpression of the transmembrane tyrosine kinase ERBB2 is an adverse prognostic marker, and occurs in almost 30% of the patients. For therapeutic...

Analyzing various models of Circadian Clock and Cell Cycle coupling (2009)

Csikász-Nagy, Attila, Faure, Adrien, Larcher, Roberto, Lecca, Paola, Mura, Ivan, Jordan, Ferenc, ...

The daily rhythm can influence the proliferation rate of many cell types. In the mammalian system the transcription of the cell cycle regulatory protein Wee1 is controlled by the circadian clock....

CoCAS: a ChIP-on-chip analysis suite (2009)

Benoukraf, Touati, Cauchy, Pierre, Fenouil, Romain, Jeanniard, Adrien, Koch, Frederic, Jaeger, Sébastien, ...

Motivation: High-density tiling microarrays are increasingly used in combination with ChIP assays to study transcriptional regulation. To ease the analysis of the large amounts of data generated by...

Qualitative Petri Net Modelling of Genetic Networks (2008)

Claudine Chaouiya, Elisabeth Remy, Denis Thieffry

Abstract. The complexity of biological regulatory networks calls for the development of proper mathematical methods to model their structures and to give insight in their dynamical behaviours. One...

regulation (2008)

Denis Thieffry, Araceli M. Huerta, Ernesto Pérez-rueda, Julio Collado-vides

From specific gene regulation to genomic networks: a global analysis of transcriptional

attractive cycles in a (2008)

Élisabeth Remy, Paul Ruet, Denis Thieffry

Graphic requirements for multistability and

Dynamical roles of biological regulatory circuits (2007)

Thieffry, Denis

Regulatory circuits are found at the basis of all non-trivial dynamical properties of biological networks. More specifically, positive circuits are involved in the generation of multiple...

BMC Bioinformatics BioMed Central Poster presentation Logical modelling and analysis of the budding yeast cell cycle (2007)

Adrien Fauré, Claudine Chaouiya, Andrea Ciliberto, Denis Thieffry, Open Access

Biological background The budding yeast cell cycle core engine has been modelled in great detail, most notably by the groups of Béla Novak and John Tyson, using a differential formalism. Several...

Dynamical analysis of a generic Boolean model for the control of the mammalian cell cycle (2006)

Fauré, Adrien, Naldi, Aurélien, Chaouiya, Claudine, Thieffry, Denis

Motivation: To understand the behaviour of complex biological regulatory networks, a proper integration of molecular data into a full-fledge formal dynamical model is ultimately required. As most...

GOToolBox: functional analysis of gene datasets based on Gene Ontology (2004)

Martin, David, Brun, Christine, Remy, Elisabeth, Mouren, Pierre, Thieffry, Denis, Jacq, Bernard

Abstract We have developed methods and tools based on the Gene Ontology (GO) resource allowing the identification of statistically over- or under-represented terms in a gene dataset; the clustering...

GOToolBox: functional analysis of gene datasets based on Gene Ontology. (2004)

Martin, David, Brun, Christine, Remy, Elisabeth, Mouren, Pierre, Thieffry, Denis, Jacq, Bernard

We have developed methods and tools based on the Gene Ontology (GO) resource allowing the identification of statistically over- or under-represented terms in a gene dataset; the clustering of...

GOToolBox: functional analysis of gene datasets based on Gene Ontology. (2004)

Martin, David, Brun, Christine, Remy, Elisabeth, Mouren, Pierre, Thieffry, Denis, Jacq, Bernard

We have developed methods and tools based on the Gene Ontology (GO) resource allowing the identification of statistically over- or under-represented terms in a gene dataset; the clustering of...

GOToolBox: functional analysis of gene datasets based on Gene Ontology. (2004)

Martin, David, Brun, Christine, Remy, Elisabeth, Mouren, Pierre, Thieffry, Denis, Jacq, Bernard

We have developed methods and tools based on the Gene Ontology (GO) resource allowing the identification of statistically over- or under-represented terms in a gene dataset; the clustering of...

Qualitative modelling of genetic networks: From logical regulatory graphs to standard Petri nets (2004)

Claudine Chaouiya, Elisabeth Remy, Paul Ruet, Denis Thieffry

1 Introduction Regulatory networks are found at the core of all biological functions, from biochemical pathways, to gene regulation, and cell communication processes. Their complexity often defies...

Ontology (2004)

David Martin, Christine Brun, Elisabeth Remy, Pierre Mouren, Denis Thieffry, Bernard Jacq

Software GOToolBox: functional analysis of gene datasets based on Gene

GOToolBox: functional analysis of gene datasets based on Gene Ontology. (2004)

Martin, David, Brun, Christine, Remy, Elisabeth, Mouren, Pierre, Thieffry, Denis, Jacq, Bernard

We have developed methods and tools based on the Gene Ontology (GO) resource allowing the identification of statistically over- or under-represented terms in a gene dataset; the clustering of...

D.: GINML: towards a GXL based format for logical regulatory networks and dynamical graphs. http://www.esil.univevry.fr/∼chaouiya/GINsim/ginml.html (2003)

Claudine Chaouiya, Aitor González González, Denis Thieffry

A flexible and rigorous logical formalism enabling the qualitative dynamical modelling of biological regulatory networks is described in [1]. This logical approach has been implemented in a Java...

Modelling and simulating the regulatory network specifying the Notch boundary between the dorsal and the ventral compartments of the wing imaginal disc (2003)

Aitor Gonz Alez, Aitor González González, Claudine Chaouiya, Denis Thieffry, Lucas Sánchez, Ap Fng, ...

vate the NOTCH signalling pathway. However SER is not able to activate NOTCH in the dorsal cells due to FRINGE (FNG) presence. Therefore SER activates only NOTCH in ventral cells near the boundary...

Combining Logical Formalisation and Constraint Programming to Model (2003)

Wild-Type And Perturbed, Vincent Devloo, Denis Thieffry

Introduction Genetic regulatory networks play a crucial role in the control of most developmental and physiological processes. Extensive genetic sequencing now provides us with almost complete sets...

RegulonDB: a database on transcriptional regulation in Escherichia coli (1998)

Araceli M. Huerta, Heladia Salgado, Denis Thieffry, Julio Collado-vides

RegulonDB is a DataBase that integrates biological knowledge of the mechanisms that regulate the transcription initiation in Escherichia coli, as well as knowledge on the organization of the genes...

RegulonDB: a database on transcriptional regulation in Escherichia Coli (1998)

Araceli M. Huerta, Heladia Salgado, Denis Thieffry, Julio Collado-Vides

RegulonDB is a DataBase that integrates biological knowledge of the mechanisms that regulate the transcription initiation in Escherichia coli, as well as knowledge on the organization of the genes...

Syntactic recognition of regulatory regions in Escherichia coli (1996)

Rosenblueth, David A., Thieffry, Denis, Huerta, Araceli M., Salgado, Heladia, Collado-Vides, Julio

Motivation One of the most common methodologies identify cis-regulatory sites in regulatory regions in the DNA is that of weight matrices, as testified by several articles this issue. An alternative...

GOToolBox: functional analysis of gene datasets based on Gene Ontology

Martin, David, Brun, Christine, Remy, Elisabeth, Mouren, Pierre, Thieffry, Denis, Jacq, Bernard

Tools are presented to identify Gene Ontology terms that are over- or under-represented in a dataset, to cluster genes by function and to find genes with similar annotations.

GOToolBox: functional analysis of gene datasets based on Gene Ontology

Martin, David, Brun, Christine, Remy, Elisabeth, Mouren, Pierre, Thieffry, Denis, Jacq, Bernard

Tools are presented to identify Gene Ontology terms that are over- or under-represented in a dataset, to cluster genes by function and to find genes with similar annotations.

Dynamical Analysis of the Regulatory Network Defining the Dorsal–Ventral Boundary of the Drosophila Wing Imaginal Disc

González, Aitor, Chaouiya, Claudine, Thieffry, Denis

The larval development of the Drosophila melanogaster wings is organized by the protein Wingless, which is secreted by cells adjacent to the dorsal–ventral (DV) boundary. Two signaling processes...

Dynamical modeling of syncytial mitotic cycles in Drosophila embryos

Calzone, Laurence, Thieffry, Denis, Tyson, John J, Novak, Bela

Immediately following fertilization, the fruit fly embryo undergoes 13 rapid, synchronous, syncytial nuclear division cycles driven by maternal genes and proteins. During these mitotic cycles, there...

Metagenome Annotation Using a Distributed Grid of Undergraduate Students

Hingamp, Pascal, Brochier, Céline, Talla, Emmanuel, Gautheret, Daniel, Thieffry, Denis, Herrmann, Carl

The Annotathon is a novel bioinformatics teaching environment, where undergraduate students join in a community annotation effort. Besides being a rewarding educational tool, it holds the added...

CoCAS: a ChIP-on-chip analysis suite

Benoukraf, Touati, Cauchy, Pierre, Fenouil, Romain, Jeanniard, Adrien, Koch, Frederic, Jaeger, Sébastien, ...

Motivation: High-density tiling microarrays are increasingly used in combination with ChIP assays to study transcriptional regulation. To ease the analysis of the large amounts of data generated by...

Functional organisation of Escherichia coli transcriptional regulatory network

Martínez-Antonio, Agustino, Janga, Sarath Chandra, Thieffry, Denis

Taking advantage of available functional data associated with 115 transcription and 7 sigma factors, we have performed a structural analysis of the regulatory network of Escherichia coli. While the...