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Статті в журналах з теми "Clonage de génome"
YERLE, M. "Etablissement des cartes cytogénétiques et physiques." INRAE Productions Animales 13, HS (December 22, 2000): 87–93. http://dx.doi.org/10.20870/productions-animales.2000.13.hs.3816.
Повний текст джерелаGELLIN, J., and F. GROSCLAUDE. "Analyse du génome des espèces d’élevage : projet d’établissement de la carte génétique du porc et des bovins." INRAE Productions Animales 4, no. 1 (February 2, 1991): 97–105. http://dx.doi.org/10.20870/productions-animales.1991.4.1.4322.
Повний текст джерелаMULSANT, P. "Glossaire général." INRAE Productions Animales 24, no. 4 (September 8, 2011): 405–8. http://dx.doi.org/10.20870/productions-animales.2011.24.4.3273.
Повний текст джерелаCRIBIU, E. P., and L. SCHIBLER. "Introduction à la cartographie des génomes complexes." INRAE Productions Animales 13, HS (December 22, 2000): 69–72. http://dx.doi.org/10.20870/productions-animales.2000.13.hs.3813.
Повний текст джерелаHOUDEBINE, L. M. "Les biotechnologies animales." INRAE Productions Animales 4, no. 1 (February 2, 1991): 81–88. http://dx.doi.org/10.20870/productions-animales.1991.4.1.4320.
Повний текст джерелаGROSCLAUDE, F. "Avant-propos." INRAE Productions Animales 11, no. 1 (February 1, 1998). http://dx.doi.org/10.20870/productions-animales.1998.11.1.3911.
Повний текст джерелаДисертації з теми "Clonage de génome"
Baby, Vincent. "Analyse, clonage et transplantation du génome de la bactérie Mesoplasma florum." Thèse, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/11582.
Повний текст джерелаRideau, Fabien. "Clonage et modification du génome de Mycoplasma hominis dans la levure Saccharomyces cerevisiae." Thesis, Bordeaux, 2018. http://www.theses.fr/2018BORD0227/document.
Повний текст джерелаMycoplasma hominis is an opportunistic human pathogen responsible for genital and neonatal infections. Genetically modifying this bacterium is necessary to understand the virulence and infection mechanisms of this pathogen. There is currently no effective molecular tool to engineer the genome of this bacterium, limiting research on its pathogenicity and its peculiar metabolism based on arginine.New technologies have recently emerged in the field of Synthetic Biology (BS), offering new perspectives for the study of mycoplasmas by allowing large scale genome modifications and the production of mutant strains. Work at the J. Craig Venter Institute (JCVI, USA) has shown that the genome of related mycoplasmas can be cloned and manipulated in yeast before being transplanted into a recipient cell. The yeast serves as a temporary host to modify the genome of the bacterium. This innovative approach opens many perspectives in the development of functional genomics in mycoplasmas for which there are few effective genetic tools. The goal of this thesis was to adapt a number of BS tools to M. hominis for the first time, in order to create mutants deficient for a given function. To achieve this goal, the genome of the M. hominis type strain PG21 (665 kb) was cloned into the yeast Saccharomyces cerevisiae by Transformation-Associated Recombination cloning (TAR-cloning). Two yeast clones (B3-2 and B3-4) possessing the complete genome of M. hominis were validated by simplex PCR, multiplex PCR and Pulsed Field Gel Electrophoresis (PFGE) analyses. These yeast clones were then propagated in a selective medium for 180 generations (30 passages) to evaluate the stability of the bacterial genome in its host. This experiment showed that (i) the size of the genome of M. hominis did not change during the first passages, it decreased progressively from the tenth passage (≈60 generations), and (ii) the enriched genome areas in repeated sequence were preferentially lost. Thus, the genome of M. hominis was modified in the B3-4 clone at early passages using the Clustered Regularly Interspaced Short Palindromic Repeats/Cas9 (CRISPR/Cas9) technology. Yeast clones with a complete M. hominis PG21 genome with a deleted vaa gene, encoding a major adhesion protein, were produced using this approach. The final step of this approach was to transplant the modified genome into a recipient cell of M. hominis or Mycoplasma arthritidis, the species phylogenetically closest to M. hominis. As no M. hominis transformation protocol was available at the beginning of our work, this step constituted a major obstacle in the implementation of BS tools in this species. This barrier has been partially lifted since a method of transformation of M. hominis based on polyethylene glycol (PEG) and involving the plasposon pMT85 (plasmid carrying a transposon conferring resistance to tetracycline) has been developed in the laboratory. This transformation technique, developed for the reference strain M. hominis M132 (745 kb) still remains not very efficient; it is nevertheless reproducible and allowed to obtain M. hominis mutants of interest. The Mhom132_2390 gene, encoding the precursor of the P75 protein, a putative adhesin of M. hominis, was effectively mutated in transformant No. 28-2. Complete genome sequencing of other transformants revealed the insertion of multiple copies of the transposon and the presence of duplication and inversion of large DNA fragments within at least two M. hominis genomes.In conclusion, this data has opened the way for the development and transposition of existing genetic modification approaches to M. hominis, previously considered as a genetically intractable bacterium
Zézé, Adolphe. "Isolement de séquences répétées du génome d'un champignon endomycorhizogène à arbuscules scutellospora castanea : application à la détection in planta." Dijon, 1995. http://www.theses.fr/1995DIJOS027.
Повний текст джерелаLacasa, Michel. "Le virus herpétique du poisson-chat : structure et clonage du génome, transcription in vivo." Paris 6, 1986. http://www.theses.fr/1986PA066233.
Повний текст джерелаJegot, Gwenhael. "Mise au point d'un système dérivé du transposon Mos1 comme vecteur non viral de transfert de gène en cellules eucaryotes." Tours, 2007. http://www.theses.fr/2007TOUR4014.
Повний текст джерелаThe mariner Mos 1 transposon can naturally move into the genome. The first research axis of this work concern the transposon characteristics which act upon the transposition activity of Mos1 (like the nucleic content of the transposon and its size). It have shown that a size of transgene upper than 2,5 kb limit the transposition efficiency, that a strong GC percentage favour the transposition, and that there is no minimal size for Mos1 transposition. The second research axis concern the adaptation and improvement of the Mos1 system to the eukaryotic cells, to developp a nonviral vector for gene transfer. The addition of a nuclear localization sequence improve the nuclear transfer, the "humanization" of the transposase sequence increase it expression in mammal cells, and the use of the HSVtK suicide system permit to limit the recombination events
Bui, Linh Chi. "Interactions entre informations ovocytaires et informations embryonnaires au moment de l'activation du génome chez les mammifères." Paris 11, 2006. http://www.theses.fr/2006PA112254.
Повний текст джерелаTranscriptional activation of the genome is a critical step in embryogenesis. Until that point, development is regulated strictly by maternal information, before gradually moving under embryonic control. This transition (MET for Maternal Embryonic Transition) implies interactions which are closely regulated and determinant regarding subsequent embryonic development between maternal cytoplasmic information and the embryonic nucleus which becomes totipotent. Because it perturbs nucleocytoplasmic interactions but enables long-term development, and hence the restoration of nuclear totipotence ("reprogramming"), cloning constitutes a study model for these interactions. In this context, our research was carried out with the aim of analysing the acquisition of the particular state which characterises the embryonic nucleus at the time it initiates its first syntheses by becoming transiently totipotent. For this purpose, we developed a comparative study of the pattern of gene expressionin bovine embryo arising from normal development, thus representing control of the optimum restoration of totipotence (MET reprogramming), and development where the nucleocytoplasmic interactions were experimentally perturbed by somatic cloning, representative of a gradual decline in reprogramming efficiency. The choice of the bovine model (because it enables these differential biological situations) and our desire to obtain relevant data on a global process through transcriptomic analysis of these situations, led us to develop appropriate molecular tools and approaches (dedicated cDNA network, appropriate procedure for differential screening starting from scarce material). Our work enabled access to a dynamic description of the two reprogramming modes studied. These results highlighted a direct and "quantitative" correlation between the extent of reprogramming of gene expression (or the degree of correlation between the two reprogramming modes) and the functional efficacy of reprogramming resulting in the subsequent long term development of cloned individuals. The results may thus enable the implementation of an early-stage predictive criterion concerning the aptitude of nucleus-donor cell lines for efficient reprogramming, enabling prediction of the long-term potential for development of embryos reconstituted by transfer of their nuclei. In addition to these perspectives for application, use of this global comparative approach should allow us to better characterise the totipotent state and thus understand more clearly the conditions required for its restoration
Breuils, Laure. "Clonage et caractérisation de récepteurs de type olfactif humains exprimés dans la langue." Nantes, 2003. http://www.theses.fr/2003NANT2040.
Повний текст джерелаThe expression of olfactory like receptors (OLRs) in rat taste buds has been previously described, suggesting their involvement in taste perception as gustatory receptors. The aim of this work was to identify and characterize human OLRs expressed in human gustatory tissues. Nine OLRs genes and eight pseudogenes expressed in human adult and/or foetal tongue were identified by RT-PCR. Their murine orthologs were assigned: 5 are expressed in adult mouse tongue, among which 3 are expressed specifically in gustatory papillae. The latter were detected in sensory tissues and brain, but rarely in other organs. Nevertheless, one of them seems to be ubiquitously expressed. In situ hybridization experiments did not show a clear expression of these receptors in mouse taste buds. A cellular tool was constructed in order to identify the ligands of these receptors
Jourdan, Mireille. "Clonage et séquençage du génome infectieux d'un Parvovirus d'Insecte, le Densovirus du Lépidoptère Junonia coenia." Montpellier 2, 1990. http://www.theses.fr/1990MON20320.
Повний текст джерелаLecerf, Frédéric. "Déterminisme génétique de la prolificité chez les ovins : clonage positionnel du gène Booroola et localisation du gène Lacaune." Montpellier, ENSA, 2003. http://www.theses.fr/2003ENSA0010.
Повний текст джерелаFolliculogenesis is the biological mechanism of the female reproductive function. The study of phenotypic variations affecting ovulation rate in populations enables to identify natural mutations with a major impact on ovarian function. In the Course of my thesis research, I have localised the Lacaune locus within a 4 cM region on ovine chromosome 4 and identified the causal mutation of the hyper prolific Booroola phenotype in the BMPR-IB gene. For the identification of the Booroola gene, 1 developed a new method (HSA, for Hybrid Specific Amplification) to select transcripts specific of a tissue and a chromosomal region. The identification of the Booroola gene contributed to highlight the primordial role of Bone Morphogenetic Proteins (BMPs) in ovarian function. The identification of the gene responsible for the Lacaune phenotype will enable to identify another factor important for this function
Khan, Daulat Raheem. "Reprogrammation embryonnaire et somatique au moment de la mise en route du génome dans l’embryon bovin." Thesis, Paris 11, 2011. http://www.theses.fr/2011PA11T060.
Повний текст джерелаIn natural fertilization, sperm and ovum unite to form a totipotent zygote. Initially, the zygote is transcriptionally inactive and after few cleavages (8-16-cell stage in bovine) embryonic genome activation (EGA) takes place and embryo shifts from maternal to embryonic control, the process called maternal to embryonic transition (MET). Likewise, in nuclear transplantation (cloning) a somatic cell nucleus achieves totipotency when placed in an enucleated oocyte, the process called “nuclear reprogramming”. In fact, nuclear reprogramming in cloning experiments is equivalent to MET; however, this process is afflicted with low efficiency. The objectives of this study in bovine were a) to explore the process of MET reprogramming of in vitro fertilized (IVF) embryos and b) to estimate the efficiency of gene reprogramming after nuclear transfer in animal cloning. We hypothesized that the acquisition of a proper gene expression pattern could herald development potential of the embryos, which could be assessed as early as morula stage or after embryonic genome activation (EGA) in bovine. Here, we opted for a study plan consisting of two axes a) global gene expression analysis using an EGA-dedicated microarray and b) candidate gene expression profiling through qRT-PCR in the fertilized and cloned bovine embryos. Firstly, we optimized the protocol of mRNA amplification for transcriptome analysis which generates antisens-RNA (aRNA). Then we did transcriptomic analysis of the 4-cell and morulae derived from two genotypes having better and two genotypes having poorer in vitro embryonic development potentials. In addition, these oocytes were either matured in vivo or in vitro. We observed that the effect of individual genotype was more important than the effect of the phenotypic category (poorer or better) or conditions of oocyte maturation. Furthermore, we explored the expression patterns of 5 types of cloned embryos having different full term developmental potentials depending upon the donor cell line used. Their genes expression patterns closely resembled to the IVF morulae, except for few genes which present differences. These genes vary with the cell line used as somatic cell donor for SCNT and the number of these deregulated genes did not increase with the poorer developmental potential of the cloned embryos. The analysis of an eventual correlation between the potential for embryonic development to term and nature of the deregulated genes should be addressed. Secondly, we charted quantitative and/or qualitative spatio-temporal expression patterns of transcripts and proteins of pluripotency genes (OCT4, SOX2 and NANOG) and mRNA levels of some of their downstream targets in bovine oocytes and early embryos. Furthermore, to correlate expression patterns of these genes with term developmental potential, we used cloned embryos, instead of gene ablation, having similar in vitro but different full term development rates. We chose these genes to be analysed since pluripotency genes are implicated in mouse embryonic genome activation (EGA) and pluripotent lineage specification. Moreover, their expression levels have been correlated with embryonic term development. Our findings affirm: first, the core triad of pluripotency genes probably is not implicated in bovine EGA since their proteins were not detected during pre-EGA phase, despite the transcripts for OCT4 and SOX2 were present. Second, an earlier ICM specification of SOX2 and NANOG makes them better candidates of bovine pluripotent lineage specification than OCT4. Third, embryos with low term development potential have higher transcription rates; nevertheless, precarious balance between pluripotency genes is maintained. This balance presages normal in vitro development but, probably higher transcription rate disturbs it at later stage that abrogates term development
Книги з теми "Clonage de génome"
Berg, Paul, (1926- ...)., Auteur and Perbal, Bernard V. (19..- ...)., Traduction, eds. Gènes et génomes. Paris: Vigot, 1992.
Знайти повний текст джерелаTrépanier, Geneviève. Clonage reproductif et dignité humaine. Montréal: Liber, 2006.
Знайти повний текст джерелаGene cloning and DNA analysis: An introduction. 5th ed. Oxford, UK: Blackwell Pub., 2006.
Знайти повний текст джерелаWeissenbach, Jean. Cours pratique de génie génétique INSERM-Institut Pasteur: Clonage d'un DNA dans Escherichia coli : Paris, Institut Pasteur 19-30 mars 1984. Paris: INSERM, 1986.
Знайти повний текст джерелаKolata, Gina Bari. Clone: The road to Dolly, and the path ahead. London: Penguin, 1998.
Знайти повний текст джерелаClone: The road to Dolly, and the path ahead. New York: W. Morrow & Co., 1998.
Знайти повний текст джерелаClone: The road to Dolly, and the path ahead. London: Allen Lane, Penguin Press, 1997.
Знайти повний текст джерелаL'horreur génétique: Le droit de savoir, le pouvoir d'agir : clones et transgéniques volent et violent la vie. St-Julien en Genevois [France]: Jouvence, 2001.
Знайти повний текст джерелаUnderstanding DNA and gene cloning: A guide for the curious. 2nd ed. New York: Wiley, 1992.
Знайти повний текст джерелаUnderstanding DNA and gene cloning: A guide for the curious. 3rd ed. New York: Wiley, 1997.
Знайти повний текст джерела