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Academic literature on the topic 'Non-codants'
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Journal articles on the topic "Non-codants"
Fressigné, Lucile, and Martin J. Simard. "La biogenèse des ARN courts non codants chez les animaux." médecine/sciences 34, no. 2 (February 2018): 137–44. http://dx.doi.org/10.1051/medsci/20183402011.
Full textVaiman, Daniel. "ARNs non-codants: potentiel d’utilisation thérapeutique." Bulletin de l'Académie Vétérinaire de France, no. 1 (2016): 87. http://dx.doi.org/10.4267/2042/60691.
Full textRomero, Yannick, Pierre Calvel, and Serge Nef. "Petits ARN non codants et spermatogenèse." médecine/sciences 28, no. 5 (May 2012): 490–96. http://dx.doi.org/10.1051/medsci/2012285013.
Full textPedrazzini, Thierry. "Le cœur des ARN non codants." médecine/sciences 31, no. 3 (March 2015): 261–67. http://dx.doi.org/10.1051/medsci/20153103011.
Full textPhilippe, N., F. Ruffle, Bou-Samra, Boureux, T. Commes, and E. Rivals. "R76: Séquençage d’ARN, conservation et ARN non codants." Bulletin du Cancer 97, no. 4 (October 2010): S44. http://dx.doi.org/10.1016/s0007-4551(15)30993-0.
Full textRederstorff, Mathieu. "Une approche originale de sélection de nouveaux ARN non codants." médecine/sciences 27, no. 4 (April 2011): 343–45. http://dx.doi.org/10.1051/medsci/2011274003.
Full textPinet, Florence, and Christophe Bauters. "Potentiel des ARN non codants comme biomarqueurs dans l’insuffisance cardiaque." médecine/sciences 31, no. 8-9 (August 2015): 770–76. http://dx.doi.org/10.1051/medsci/20153108016.
Full textDerrien, Thomas, and Roderic Guigó. "De longs ARN non codants activateurs de la transcription des gènes." médecine/sciences 27, no. 4 (April 2011): 359–61. http://dx.doi.org/10.1051/medsci/2011274009.
Full textSkreka, Konstantinia, and Mathieu Rederstorff. "Une micropuce de diagnostic hybride pour la détection d’ARN non codants." médecine/sciences 28, no. 10 (October 2012): 819–21. http://dx.doi.org/10.1051/medsci/20122810007.
Full textMathieu, Ève-Lyne, Mohamed Belhocine, Lan T. M. Dao, Denis Puthier, and Salvatore Spicuglia. "Rôle des longs ARN non codants dans le développement normal et pathologique." médecine/sciences 30, no. 8-9 (August 2014): 790–96. http://dx.doi.org/10.1051/medsci/20143008018.
Full textDissertations / Theses on the topic "Non-codants"
Fontaine, Arnaud. "Classification d'ARN codants et d'ARN non-codants." Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2009. http://tel.archives-ouvertes.fr/tel-00401991.
Full textBoivin, Vincent. "Quantification simultanée des ARN codants et non-codants dans le séquençage d’ARN." Mémoire, Université de Sherbrooke, 2018. http://hdl.handle.net/11143/11867.
Full textAbstract : RNA are molecules with a wide range of properties that can interact with one another to mediate specific function. The evaluation of RNA abundance is a crucial step in understanding the stoichiometry needed for these functions. However, many limitations and biases come with the use of different techniques, including RNA sequencing (RNA-Seq), which affects the estimation of the abundance of different RNA types. Recent studies have exposed the advantages of a new RNA-Seq protocol using a thermostable group II intron reverse transcriptase (TGIRT) of bacterial origin to reduce these biases. This thesis makes the comparison between different RNA-Seq techniques to elucidate if the use of TGIRT in RNA-Seq offers a more representative depiction of the transcriptome. The comparisons with the abundance values given in literature and obtained experimentally by our group agree with the fact that TGIRT gives a better estimation of the relative abundance of RNA, especially highly structured RNA. This better estimation of the transcriptomic landscape allows many observations on the abundance relations between coding and non-coding RNA that are functionally related. Namely, constant expression ratios between RNP associated noncoding RNA and the mRNA that codes for their associated proteins have been observed. This suggests the presence of a common transcriptional regulation which is necessary for the stoichiometry of these complexes. A strong disparity in the expression of snoRNA and their host genes depending on snoRNA and host gene types has also been observed and corroborate a distinct regulation of these transcripts’ stability. In summary, our data suggest that the TGIRT-Seq method is the most appropriate to evaluate the transcriptome and thus opens the way to more holistic RNA-Seq analyses by giving a better estimation of RNA transcripts relative abundance.
Marchais, Antonin. "Étude de la co-évolution des éléments codants et non-codants des génomes bactériens." Paris 11, 2010. http://www.theses.fr/2010PA112289.
Full textNon-coding RNAs (ncRNA) form a heterogeneous group of transcribed, non-translated elements that play, through their structure, sequence and mechanistic diversity, an important role in many cellular processes. In recent years, thousands of ncRNA have been experimentally detected in genomes and ncRNAs are now accepted as key components of the cellular biology of Eukaryota, Prokaryota and Archaea. Despite these recent advances, the experimental detection of ncRNAs remains a timeconsuming task and is rarely followed by a functional analysis of the identified transcripts. To address this issue, we developed an in-silico method for ncRNA detection in bacterial genomes, named NAPP - Nucleic Acid Phylogenetic Profiling. This method derives from phylogenetic profiling, a method used to predict the function of unknown proteins. Based on a reference genome sequence, NAPP computes the co-inheritance of coding and non-coding elements in all available bacterial genomes and clusters elements that share a similar phylogenetic history. Several of these clusters are enriched in known ncRNAs, which enables using NAPP as an ncrNA classifier. Performance benchmarks indicate that NAPP predictive accuracy is equivalent to that of methods designed specifically for ncRNA detection. We further validate our predictions by the description of seven new ncRNAs in S. Aureus. We further studied RsaOG, one of the new S. Aureus small RNAs identified by NAPP. RsaOG is highly expressed and specifically conserved in the Staphylococcus genus. This RNA may involve a pseudoknotted structure, a new observation for a trans-acting ncRNA. After a round of computational target predictions, we are now trying to validate RsaOG targets to integrate this small RNA in Staphylococcus physiology. The most attractive feature of NAPP, however, is its intrinsic capacity to provide functional information on the classified elements. Indeed, functional enrichment of coding and non-coding clusters can, in favorable cases, provide clues about the function of unannotated elements in these clusters. Using this type of functional analysis in B. Subtilis, we focused on CsfG, an ncRNA detected by NAPP. Half of the genes in the CsfG cluster are involved in sporulation and we inferred that CsfG could be a sporulation-related RNA. Experimental and in-silico studies confirmed this prediction, demonstrating that CsfG is directly regulated by two Sigma factors sigG and sigF, that are specific to the prespore formation
Masquida, Benoît. "Identification, caractérisation et études structurales d'ARN non-codants." Habilitation à diriger des recherches, Université Louis Pasteur - Strasbourg I, 2007. http://tel.archives-ouvertes.fr/tel-00271873.
Full textSeitz, Hervé. "Empreinte génomique parentale et petits ARN non-codants." Phd thesis, Université Paul Sabatier - Toulouse III, 2004. http://tel.archives-ouvertes.fr/tel-00007781.
Full textGuilbaud, Marine. "Identification d'ARNs non-codants impliqués dans les dystrophinopathies." Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS042/document.
Full textDuchenne (DMD) and Becker (BMD) muscular dystrophies are due to mutations in DMD gene, encoding Dystrophin. Many aspects of pathophysiological mechanisms of these diseases are not yet well understood. We were interested in the study of non-coding RNAs that could be involved in these pathological processes. A first study focused on micro-RNAs (miRNAs) that could modulate expression of the neuronal nitric oxide synthase (nNOS), a partner of Dystrophin which is linked to pathological features as muscular fatigability. 617 miRNAs were screened by Taqman Low Density Array in muscle biopsies of healthy subjects or BMDdel45-55 patients. 4 candidate miRNAs were selected from this study since they were overexpressed in BMDdel45-55 patients and for their theoretical ability to target nNOS. Experiments modulating the expression of these miRNAs in healthy or dystrophic human myoblasts enabled us to identify that miR-708-5p and miR-34-5p could target nNOS and modulate its expression.A second axis was conducted on long non-coding RNA (lncRNA). Introns 44 and 55, which bound exons 45-55 deleted in BMDdel45-55 patients, are large regions containing lncRNAs described as regulating Dystrophin. Since intronic breakpoints of DMD mutations of these pateints were not described, we have assumed the existence of different profiles of lncRNAs. DNA analysis of these patients actually showed different lncRNAs profiles, thus revealing the significance of a more precise analysis of deletion areas in DMD gene of BMDdel45-55 patients
Zytnicki, Matthias. "Recherche d'ARN non-codants par réseaux de contraintes pondérées." Phd thesis, Université Paul Sabatier - Toulouse III, 2007. http://tel.archives-ouvertes.fr/tel-00258877.
Full textDans cette approche, nous combinons plusieurs techniques de \textit{pattern-matching} avec le formalisme des réseaux de contraintes pondérées afin de modéliser simplement le problème, de décrire finement les signatures et d'attribuer un coût à chaque solution. Nos travaux nous ont conduit à élaborer plusieurs techniques de filtrage ainsi que des algorithmes de pattern-matching originaux que nous présentons ici.
Nous avons de plus conçu un logiciel, appelé DARN!, qui implante notre approche, ainsi qu'un module de génération de signatures. Ceux-ci permettent de rechercher efficacement de nouveaux ARNnc.
Zytnicki, Matthias. "Localisation d'ARN non-codants par réseaux de contraintes pondérées." Toulouse 3, 2007. http://thesesups.ups-tlse.fr/236/.
Full textFollowing recent discoveries about the several roles of non-coding RNAs (ncRNAs), there is now great interest in identifying these molecules. Numerous techniques have been developed to localize these RNAs in genomic sequences. We use here an approach which supposes the knowledge of a set of structural elements called signature that discriminate an ncRNA family. In this work, we combine several pattern-matching techniques with the weighted constraint satisfaction problem framework. Together, they make it possible to model our biological problem, to describe accurately the signatures and to give the solutions a cost. We conceived filtering techniques as well as novel pattern-matching algorithms. Furthermore, we designed a software called DARN! that implements our approach and another tool that automatically creates signatures. These tools make it possible to localize efficiently new ncRNAs
Zytnicki, Matthias Schiex Thomas Gaspin Christine. "Localisation d'ARN non-codants par réseaux de contraintes pondérées." Toulouse (Université Paul Sabatier, Toulouse 3), 2008. http://thesesups.ups-tlse.fr/236.
Full textNomane, Yanoura. "Réponse au stress et ARN non codants chez Escherichia coli." Paris 11, 2009. http://www.theses.fr/2009PA112034.
Full textThis work realised in the Gram-negative model bacterium Escherichia coli is divided in two parts. The first part focuses on adaptive response and more precisely the response to extracytoplasmic stress. This part is illustrated by a paper on the global analysis of the five pathways that responde to extracytoplasmic stress. It shows that i) all pathways are activated by the same signals but the specificity of induction is dose-dependent and that II) responses displayed are complementary but not redundant. The second part of this work concerns non-coding RNAs in Escherichia coli. The results’ part introduces a biochemical method to “fish” non-coding RNAs targets (targetome). This part is followed by a paper on Ral, a non-coding RNA antisens of lon protease gene. The targetome method is still in development but it allows the identification of a new putative target for micC RNA. This method was also used to identify Ral putative targets which are lon and topB messenger RNAs. Ral mechanism of action is still unclear but phenotypes associated to the presence of its multicopy plasmid have been isolated. Ral is one of the few cis antisens RNAs that are encoded in the chromosome of Escherichia coli
Books on the topic "Non-codants"
MORILLON. Longs Arn Non Codants: La Face Cachee des Genomes. ISTE Editions Ltd., 2018.
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