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Academic literature on the topic 'Complexe du pyruvate déshydrogénase'
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Journal articles on the topic "Complexe du pyruvate déshydrogénase"
Fouque, F., C. Marsac, and C. Bénelli. "Le complexe pyruvate déshydrogénase : de l'organisation moléculaire à la pathologie." médecine/sciences 14, no. 12 (1998): 1366. http://dx.doi.org/10.4267/10608/975.
Full textDesguerre, I., C. Marsac, C. Beneitt, F. Fouque, and G. Ponsot. "Étude génétique d'une forme tardive de syndrome de Leigh associée à un déficit en pyruvate déshydrogénase (PDH)." Archives de Pédiatrie 2, no. 9 (September 1995): 907. http://dx.doi.org/10.1016/0929-693x(95)90453-a.
Full textDissertations / Theses on the topic "Complexe du pyruvate déshydrogénase"
Rouleau, Caroline. "Implications du pyruvate dans le métabolisme de lignées astrocytaires spinales spontanément transformées." Montpellier 1, 2006. http://www.theses.fr/2006MON1T029.
Full textBessam, Hassiba. "Purification de la pyruvate déshydrogénase et de la 2-oxoglutarate déshydrogénase des mitochondries de Neurospora Crassa ; étude enzymatique de ces complexes et de leurs protéines constitutives." Rouen, 1988. http://www.theses.fr/1988ROUES016.
Full textBurthier, Jean Michel. "Les déficits en pyruvate déshydrogénase." Paris 5, 1990. http://www.theses.fr/1990PA05P176.
Full textPieulle, Laetitia. "Etudes structurale et fonctionnelle de la pyruvate : ferrédoxine oxydo-réductase et de certains transporteurs d'électrons chez Desulfovibrio africanus." Aix-Marseille 1, 1996. http://www.theses.fr/1996AIX11029.
Full textDelaunay, Stéphane. "Étude et modification du métabolisme central de Corynebacterium glutamicum, productrice de glutamate." Vandoeuvre-les-Nancy, INPL, 1999. http://www.theses.fr/1999INPL061N.
Full textBoulahya-Brihmouche, Kenza Amel. "Importance de l'enveloppe cellulaire dans la régulation de la production de glutamate par Corynebacterium glutamicum 2262 au cours d'un procédé thermo-induit." Thesis, Vandoeuvre-les-Nancy, INPL, 2010. http://www.theses.fr/2010INPL063N/document.
Full textDuring this work, a comparative study between three strains of Corynebacterium glutamicum was carried out. These strains were C. glutamicum 2262 which overproduces glutamate after an increase in the culture temperature from 33 to 39°C, C. glutamicum 2262 NP which is unable to produce glutamate in the same culture conditions and C. glutamicum 2262 ∆pks13 devoid of outer corynomycolic acid bilayer. An original metabolic model describing the successive physiological modifications responsible for the glutamate excretion during the temperature-triggered process was established. The presence of the corynomycolic acid bilayer appeared to be necessary since its lack affected dramatically the glutamate production. The temperature increase would be first sensed at the level of the external corynomycolic acid layer. This sensing was visualised through the accumulation of thermal stress proteins. In C. glutamicum 2262 ∆pks13, the synthesis of these proteins was not induced. The glutamate production is regulated at the oxoglutarate dehydrogenase (ODH) level by the phosphoprotein OdhI. A consequence of the temperature increase was the dephosphorylation of this regulatory protein and its interaction with ODH, provoking its inhibition. The carbon flux was then reoriented toward the glutamate synthesis. In C. glutamicum 2262 ∆pks13, no dephosphorylation of OdhI and no change in the ODH activity were not determined. The thermal stress also induced a change in the composition of the corynomycolic acid layer which was correlated with the ability of C. glutamicum 2262 to overproduce glutamate. In C. glutamicum 2262 NP, the composition of the corynomycolic acid layer remained unchanged
Baggetto, Loris Gilbert. "Déviations métaboliques et génomiques mitochondriales dans les cellules tumorales glycolytiques AS30-D et Ehrlich : voie de l'acétoïne." Lyon 1, 1991. http://www.theses.fr/1991LYO10014.
Full textVidal, Hubert. "Contrôle par le peptide intestinal vasoactif du métabolisme du glucose dans les entérocytes isolés." Lyon 1, 1988. http://www.theses.fr/1988LYO10072.
Full textRana, Nosheen. "Ingénierie métabolique chez Enterococcus faecalis : intérêt biotechnologique et incidences sur la virulence : Thèse soutenue sur un ensemble de travaux." Caen, 2012. http://www.theses.fr/2012CAEN2075.
Full textEnterococcus faecalis is a lactic acid bacterium that can metabolize lactose and has the ability to withstand many environmental stresses. E. Faecalis harbours two genes of lactate dehydrogenase (ldh1 and ldh2) and the metabolism leads mainly to the production of lactate. When both ldh genes were deleted the ethanol yield was increased (Yp/s : 0. 11g/g). The pyruvate decarboxylase genes (pdc) , from two Gram positive bacteria - Sarcina ventriculi (pdcSv) and Clostridium acetobutylicum (pdcCa) - were inserted under the control of the ldh1 promoter in the ∆ldh2 mutant strain. Using lactose as substrate, ethanol yield were 0. 19 g/g and 0. 18 g/g, with pdcSv and pdcCa respectively. The pdcCa was also expressed in the ldh double mutant using an expression plasmid carrying a promotor inducible with nisin leading to an ethanol yield of 0. 46 g/g. Therefore, genetically engineered E. Faecalis could be used for ethanol production from dairy wastes rich in lactose. Transcriptional analysis showed that in the absence of LDH enzymes, pyruvate is distributed through different metabolic pathways, depending on the affinity of the enzymes for pyruvate, in order to maintain the redox balance. Therefore, a differential expression of the genes involved in pyruvate metabolism was observed. In addition, the ldh mutants were found to be generally more sensitive to different stresses than the wild type strain and also less capable of colonizing cells host. This shows that the enzyme ldh has a main role in the survival of E. Faecalis under stressed conditions and that it is essential for virulence
Fati, Mostafa. "Développement d'un contrôle en enzymologie érythrocytaire : application à la glucose-6-phosphate déshydrogénase et la pyruvate kinase." Nancy 1, 1991. http://docnum.univ-lorraine.fr/public/SCD_T_1991_0439_FATI.pdf.
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