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Literatura académica sobre el tema "Annotation de génome"
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Artículos de revistas sobre el tema "Annotation de génome"
VIGNAL, A., C. DIOT, C. MOLETTE, M. MORISSON, T. FARAUT, M. RAO, F. PITEL, V. FILLON y C. MARIE-ETANCELIN. "Génomique des canards". INRAE Productions Animales 26, n.º 5 (19 de diciembre de 2013): 391–402. http://dx.doi.org/10.20870/productions-animales.2013.26.5.3168.
Texto completoDUCHESNE, A., C. GROHS, P. MICHOT, M. BERTAUD, D. BOICHARD, S. FLORIOT y A. CAPITAN. "Du phénotype à la mutation causale : le cas des anomalies récessives bovines". INRA Productions Animales 29, n.º 5 (9 de enero de 2020): 319–28. http://dx.doi.org/10.20870/productions-animales.2016.29.5.3000.
Texto completoTesis sobre el tema "Annotation de génome"
Daccord, Nicolas. "Analyse bioinformatique du génome et de l’épigénome du pommier". Thesis, Angers, 2018. http://www.theses.fr/2018ANGE0034/document.
Texto completoApple is one of the most consumed fruits in the world. Using the latest sequencing (PacBio) and optical mapping (BioNano) technologies, we have generated a high-quality de novo assembly of the apple (Malus domestica Borkh.) genome. We performed a gene annotation as well as a transposable element annotation to allow this assembly to be used as a reference genome. The highcontiguity of the assembly allowed to exhaustively detect the transposable elements, which represented over half the assembly, thus providing an unprecedented opportunity to investigate the uncharacterized regions of a tree genome. We also found that the apple genome is entirely duplicated as showed by the synteny links between chromosomes. Using Whole Genome Bisulfite Sequencing (WGBS) and the previously generated assembly, we produced genome-wide DNA methylation maps and showed a general correlation between DNA methylation next to genes and gene expression. Moreover, we identified several Differentially Methylated Regions (DMRs) between apple fruits and leaf methylomes associated to candidate genes that could be involved in agronomically relevant traits such as apple fruit development. Finally, we developped a complete and easyto- use pipeline which aim is to handle the complete treatment of WGBS data, from the reads mapping to the DMRs computing. It can handle datasets having a low number of biological replicates
Cleynen, Alice. "Approches statistiques en segmentation : application à la ré-annotation de génome". Phd thesis, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00913851.
Texto completoSevin, Emeric. "Annotation des petits éléments dans les génomes procaryotes : nouveaux outils informatiques et application à Sinorhizobium meliloti". Rennes 1, 2007. http://www.theses.fr/2007REN1S160.
Texto completoMany computational tools have been developed along with the automation of annotation. In spite of this and of the multiplication of sequenced prokaryotic genomes, small elements essential to our global understanding of systems remain poorly annotated. These comprise transcriptional regulation elements (promoters/terminators), non coding RNAs (ncRNAs), and peptidic genes, coding for proteins smaller shorter than 100 aa. Scanning the intergenic regions of Sinorhizobium meliloti with comparative genomics methods allowed us to identify 67 candidates, of which 14 were proven to be true ncRNAs. This analysis moreover revealed a sparse annotation of genes belonging to toxin-antitoxin (TA) systems. We thus developed a novel computational tool, based on their genomic features, for identifying them in prokaryotic genomes. Our results suggest that TA systems might be even more numerous than initially described. Finally we are currently validating a visualization tool for under- or over-represented n-mers in intergenic regions to help in the detection of regulatory elements
Beyne, Emmanuelle. "Règles de cohérence pour l'annotation génomique : développement et mise en œuvre in silico et in vivo". Bordeaux 1, 2008. https://tel.archives-ouvertes.fr/tel-00350902.
Texto completoBocs, Stéphanie. "(Ré)annotation de génomes procaryotes complets - Exploration de groupes de gènes chez les bactéries". Phd thesis, Université Pierre et Marie Curie - Paris VI, 2004. http://tel.archives-ouvertes.fr/tel-00008296.
Texto completoFlutre, Timothée. "L' annotation des éléments transposables par la compréhension de leur diversification". Paris 7, 2010. http://www.theses.fr/2010PA077239.
Texto completoTransposable elements are DNA sequences that can move and duplicata within genomes. They hence have a major impact on genome structure but also on the expression of neighbouring genes, notably via epigenetiç mechanisms. However, except for some model organisms for which reference sequences are available, the annotation of transposable elements corresponds to a bottleneck in the analysis of genomic sequences. Therefore, I started by comparing existing computer programs used in de novo approaches of transposable element identification. In this aim, I designed a test protocol on the genomes of Drosophila melanogaster and Arabidopsis thaliana. As a result, I proposed a de novo approach combining several tools, thus enabling the automatic recovery of a great number of reference sequences. Moreover, I showed that our approach highlighted the structural variations present within well-known families, thus reflecting the diversification of such families during their evolution. This approach was implemented in a package (REPET) making possible the analysis of transposable elements in numerous genomes from plants, insects and fungi among others. This work lead to a roadmap describing, from a practical point of view, how to annotate the transposable element content of any newly sequenced genome. Finally, I propose several perspectives, notably the simulation of the data required for the improvement of the detection algorithms, a way complementary to the modeling of transposable element dynamics
Morlot, Jean-Baptiste. "Annotation of the human genome through the unsupervised analysis of high-dimensional genomic data". Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066641/document.
Texto completoThe human body has more than 200 different cell types each containing an identical copy of the genome but expressing a different set of genes. The control of gene expression is ensured by a set of regulatory mechanisms acting at different scales of time and space. Several diseases are caused by a disturbance of this system, notably some cancers, and many therapeutic applications, such as regenerative medicine, rely on understanding the mechanisms of gene regulation. This thesis proposes, in a first part, an annotation algorithm (GABI) to identify recurrent patterns in the high-throughput sequencing data. The particularity of this algorithm is to take into account the variability observed in experimental replicates by optimizing the rate of false positive and false negative, increasing significantly the annotation reliability compared to the state of the art. The annotation provides simplified and robust information from a large dataset. Applied to a database of regulators activity in hematopoiesis, we propose original results, in agreement with previous studies. The second part of this work focuses on the 3D organization of the genome, intimately linked to gene expression. This structure is now accessible thanks to 3D reconstruction algorithm from contact data between chromosomes. We offer improvements to the currently most efficient algorithm of the domain, ShRec3D, allowing to adjust the reconstruction according to the user needs
Claudel-Renard, Clotilde. "Inférence fonctionnelle et prédiction de voies métaboliques : application à la bactérie fixatrice d'azote Sinorhizobium meliloti". Toulouse 3, 2003. http://www.theses.fr/2003TOU30170.
Texto completoComplete genomes of bacteria are sequenced in growing number. At the same time, programs for systematic analysis of genes and proteins expression in different conditions are set up. The understanding of organisms functions requires the annotation of genes functions and the integration of that data into a functional diagram. Metabolic pathways constitute classes of functions allowing to tackle the integration issue. They are well identified in numerous organisms and are available to experimentation. In a first time, we have developed an automated method for enzyme function detection. This method, named PRIAM (PRofils pour l'Identification Automatique du Métabolisme), is based on the classification of enzymes in the ENZYME database and relies on sets of position-specific scoring matrices ("profiles"), automatically tailored for each ENZYME entry. Then, the method allows to identify enzymes in a complete genome and to visualize the results on KEGG graphs. In a second time, that method has been applied on the complete genome of the nitrogen fixing bacterium Sinorhizobium meliloti, in order to facilitate the interpretation of specific metabolic pathways of that symbiotic organism
Scalzitti, Nicolas. "Nouvelle stratégie d'annotation des génomes par l'utilisation d'algorithmes d'intelligence artificielle". Electronic Thesis or Diss., Strasbourg, 2021. http://www.theses.fr/2021STRAJ040.
Texto completoHigh-throughput genome sequencing projects produce a huge amount of raw biological data on a daily basis. However, the data are difficult to exploit if they are not annotated. Unfortunately, the currently available genome annotation programs are still too prone to prediction errors, making genome annotation one of the major challenges in bioinformatics. In this context, my thesis is organized around three connected topics: i) improving the prediction of eukaryotic protein-coding genes by focusing on splice sites ii) exploiting artificial intelligence algorithms (convolutional neural networks and evolutionary algorithms), iii) training with high quality data from a wide range of eukaryotic organisms (from humans to protists). The strategy developed consists in combining the processed and validated data set (G3PO) with the developed programs (Spliceator and SpliceSLEIA) in order to improve gene prediction by decreasing the error rate so that they no longer propagated in public databases. This work should contribute to a better understanding of organisms and their biological mechanisms
Blandin, Gaëlle. "Évolution des génomes de levures : analyse de la redondance et génomique comparative". Paris 7, 2001. http://www.theses.fr/2001PA077171.
Texto completoLibros sobre el tema "Annotation de génome"
Soh, Jung. Genome Annotation. Taylor & Francis Group, 2012.
Buscar texto completoSensen, Christoph W., Jung Soh y Paul M. K. Gordon. Genome Annotation. Taylor & Francis Group, 2016.
Buscar texto completoGenome Annotation. CRC Press, 2012.
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