Literatura científica selecionada sobre o tema "Acide aminé non canonique"
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Artigos de revistas sobre o assunto "Acide aminé non canonique"
QUENTIN, M., I. BOUVAREL, D. BASTIANELLI e M. PICARD. "Quels « besoins » du poulet de chair en acides aminés essentiels ?" INRAE Productions Animales 17, n.º 1 (20 de março de 2004): 19–34. http://dx.doi.org/10.20870/productions-animales.2004.17.1.3550.
Texto completo da fonteHENRY, Y. "Affinement du concept de la protéine idéale pour le porc en croissance". INRAE Productions Animales 6, n.º 3 (28 de junho de 1993): 199–212. http://dx.doi.org/10.20870/productions-animales.1993.6.3.4200.
Texto completo da fontePoirier-Littré, MF. "Implication du métabolisme de la sérotonine dans la dépression". Psychiatry and Psychobiology 5, n.º 3 (1990): 179–85. http://dx.doi.org/10.1017/s0767399x00003473.
Texto completo da fonteTeses / dissertações sobre o assunto "Acide aminé non canonique"
Abou, Anny Christer. "Traçage des protéines O-GlcNAcylées par la stratégie de suppression d'Ambre". Electronic Thesis or Diss., Université de Lille (2022-....), 2024. http://www.theses.fr/2024ULILS103.
Texto completo da fonteO-GlcNAcylation is a post-translational modification (PTM) regulated by two antagonistic enzymes, OGT (O-GlcNAc transferase), which transfers the GlcNAc residue from UDP-GlcNAc to the hydroxyl group of a serine or a threonine of target proteins, and OGA (O-GlcNAcase) which hydrolyzes this residue. This PTM is closely linked to the hexosamine biosynthesis pathway that produces UDP-GlcNAc by using different nutrients such as glucose or other monosaccharides, fatty acids, UTP and all amino acids, glutamine in particular. The emergence of certain pathologies, cancer in particular, is associated with aberrant O-GlcNAcylation. In this sense, the previous work of the team showed an increase in the expression levels of O-GlcNAcylated β-catenin in epithelial cancers. Four O-GlcNAcylation sites were identified at the N-terminus of β-catenin (S23/T40/T41/T112). T41 is of particular interest because it influences the proteasome sensitivity of β-catenin depending on whether it is O-GlcNAcylated or phosphorylated, the two antagonistic PTMs playing opposite functions on the expression of the protein. However, it was difficult or impossible to specifically track this protein in its O-GlcNAcylated or phosphorylated form in the same cell. To fill this gap, we combined genetic code expansion technology with click chemistry to monitor O-GlcNAcylation of T41 using S-GlcNAc, an enzymatically stable analogue of O-GlcNAc. An unmodified form at T41 as well as a phosphomimetic form (T41E) of β-catenin were generated. We synthesized a set of β-catenin-XFP expression cassettes (fused or not to a TAT-HA) and introduced the amber TAG codon at position T41 by site-directed mutagenesis to produce the S-GlcNAcylated form. Each form (wt, T41S-GlcNAc and T41E) presenting a specific fluorescence was produced in E. coli, purified and then introduced into human cells by cell transduction or by lipofection. Our results indicate that depending on the isoform, the proteins do not occupy exactly the same space in the cell, no total overlap having been observed. The S-GlcNAcylated form of β-catenin at T41 seems more stable over time than the phosphomimetic form, reinforcing the protective role of O-GlcNAcylation of β-catenin against degradation as opposed to its phosphorylation.The technology that we have developed should make it possible to custom manufacture proteins modified by different chemical groups on specific sites, and to study their impact on the behavior of the protein in response to various stimuli
Broca, Christophe. "La 4-hydroxyisoleucine : Caractérisation des effets insulinotropes et antidiabétiques d'un acide aminé original extrait des graines defenugrec". Montpellier 1, 1999. http://www.theses.fr/1999MON1T013.
Texto completo da fonteSanapo, Gabriel Fernando. "Synthèse d'énamides ß-fonctionnalisés : vers une nouvelle voie de préparation stéréosélective des acides amines non naturels". Mémoire, 2008. http://www.archipel.uqam.ca/1138/1/M10398.pdf.
Texto completo da fonteRahem, Neel. "Synthèses de précurseurs carbonylés γ, δ - insaturés via un réarrangement de Claisen [3,3] : vers une nouvelle voie de synthèses d'acides aminés non naturels". Mémoire, 2010. http://www.archipel.uqam.ca/3394/1/M11487.pdf.
Texto completo da fonte