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Peer Reviewed
See detailCall-centers, hiérarchie virtuelle et gestion des ressources humaines
Pichault, François ULg

in Revue Française de Gestion (2000), 130(septembre-octobre), 5-15

Detailed reference viewed: 19 (2 ULg)
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See detailThe called "Tat" of small ruminant lentivirus is a Vpr like protein
Villet, S.; Bouzar, Amel ULg; Morin, T. et al

in Current Topics in Virology (2004)

Detailed reference viewed: 9 (2 ULg)
See detailCalligraphie et arts du livre en Islam à travers les collections publiques belges
Bauden, Frédéric ULg

Scientific conference (2011, January 30)

Detailed reference viewed: 32 (6 ULg)
Peer Reviewed
See detailThe callipyge (CLPG) mutation enhances the expression of the coregulated DLK1, GTL2, PEG11 and MEG8 genes in cis without affecting their imprinting status
Charlier, Carole ULg; SEGERS, Karin ULg; Karim, Latifa ULg et al

in Nature Genetics (2001), 27

The callipyge (CLPG) phenotype (from kappa(alpha)lambda(iota), "beautiful," and pi(iota)gamma(epsilon), "buttocks") described in sheep is an inherited muscular hypertrophy that is subject to an unusual ... [more ▼]

The callipyge (CLPG) phenotype (from kappa(alpha)lambda(iota), "beautiful," and pi(iota)gamma(epsilon), "buttocks") described in sheep is an inherited muscular hypertrophy that is subject to an unusual parent-of-origin effect referred to as polar overdominance: only heterozygous individuals having inherited the CLPG mutation from their sire exhibit the muscular hypertrophy. The callipyge (clpg) locus was mapped to a chromosome segment of approximately 400 kb (refs. 2-4), which was shown to contain four genes (DLK1, GTL2, PEG11 and MEG8) that are preferentially expressed in skeletal muscle and subject to parental imprinting in this tissue. Here we describe the effect of the CLPG mutation on the expression of these four genes, and demonstrate that callipyge individuals have a unique expression profile that may account for the observed polar overdominance. [less ▲]

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Peer Reviewed
See detailThe callipyge locus: evidence for the trans interaction of reciprocally imprinted genes
Georges, Michel ULg; Charlier, Carole ULg; Cockett, N.

in Trends in Genetics (2003), 19

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Peer Reviewed
See detailThe callipyge mutation and other genes that affect muscle hypertrophy in sheep.
Cockett, Noelle E; Smit, Maria A; Bidwell, Christopher A et al

in Genetics, Selection, Evolution (2005), 37 Suppl 1

Genetic strategies to improve the profitability of sheep operations have generally focused on traits for reproduction. However, natural mutations exist in sheep that affect muscle growth and development ... [more ▼]

Genetic strategies to improve the profitability of sheep operations have generally focused on traits for reproduction. However, natural mutations exist in sheep that affect muscle growth and development, and the exploitation of these mutations in breeding strategies has the potential to significantly improve lamb-meat quality. The best-documented mutation for muscle development in sheep is callipyge (CLPG), which causes a postnatal muscle hypertrophy that is localized to the pelvic limbs and loin. Enhanced skeletal muscle growth is also observed in animals with the Carwell (or rib-eye muscling) mutation, and a double-muscling phenotype has been documented for animals of the Texel sheep breed. However, the actual mutations responsible for these muscular hypertrophy phenotypes in sheep have yet to be identified, and further characterization of the genetic basis for these phenotypes will provide insight into the biological control of muscle growth and body composition. [less ▲]

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Peer Reviewed
See detailThe callipyge mutation enhances bidirectional long-range DLK1-GTL2 intergenic transcription in cis
Takeda, Haruko ULg; Caiment, Florian ULg; Smit, Maria et al

in Proceedings of the National Academy of Sciences USA (2006), 103(21), 8119-8124

The callipyge mutation (CLPG) is an A to G transition that affects a muscle-specific long-range control element located in the middle of the 90-kb DLK1-GTL2 intergenic (IG) region. It causes ectopic ... [more ▼]

The callipyge mutation (CLPG) is an A to G transition that affects a muscle-specific long-range control element located in the middle of the 90-kb DLK1-GTL2 intergenic (IG) region. It causes ectopic expression of a 327-kb cluster of imprinted genes in skeletal muscle, resulting in the callipyge muscular hypertrophy and its non-Mendelian inheritance pattern known as polar overdominance. We herein demonstrate that the CLPG mutation alters the muscular epigenotype of the DLK1-GTL2 IG region in cis, including hypomethylation, acquisition of novel DNase-I hypersentivite sites, and, most strikingly, strongly enhanced bidirectional, long-range IG transcription. The callipyge phenotype thus emerges as a unique model to study the functional significance of IG transcription, which recently has proven to be a widespread, yet elusive, feature of the mammalian genome. [less ▲]

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See detailUn Callixylon (Archaeopteridales) du Dèvonien moyen de Belgique.
Cornet, Luc ULg; Gerrienne, Philippe ULg; Meyer-Berthaud, Brigitte et al

Conference (2012, June 21)

Detailed reference viewed: 26 (12 ULg)
See detailLa Calomnie d'Apelle : fiction ou réalité ? Prolégomènes à une nouvelle herméneutique archéologique.
Morard, Thomas ULg

Master of advanced studies dissertation (2001)

Detailed reference viewed: 39 (3 ULg)
See detailLa Calomnie d'Apelle. Fiction ou réalité ?
Morard, Thomas ULg

Conference given outside the academic context (2005)

Detailed reference viewed: 13 (1 ULg)
See detailLa Calomnie d’Apelle. Un tableau peint avec des mots
Morard, Thomas ULg

Scientific conference (2012, August 23)

Detailed reference viewed: 55 (8 ULg)
Peer Reviewed
See detailCalorimetric characterization of cold-adapted enzymes
Georlette, Daphné; D'Amico, Salvino; Feller, Georges ULg et al

Poster (2002)

Detailed reference viewed: 6 (0 ULg)
See detailCalorimetric characterization of mutants from a cold-active alpha-amylase
D'Amico, Salvino; Gerday, Charles ULg; Feller, Georges ULg

Poster (2001)

Detailed reference viewed: 6 (0 ULg)
Peer Reviewed
See detailCalorimetric characterization of mutants from a cold-active alpha-amylase
D'Amico, Salvino; Gerday, Charles ULg; Feller, Georges ULg

Poster (2000)

Detailed reference viewed: 4 (0 ULg)
See detailCalorimetric characterization of mutants from a cold-active alpha-amylase
D'Amico, Salvino; Gerday, Charles ULg; Feller, Georges ULg

Poster (2000)

Detailed reference viewed: 9 (0 ULg)
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Peer Reviewed
See detailCalorimetric study of milk fat/rapeseed oil blends and their interesterification products
Aguedo, Mario ULg; Giet, Jean-Michel ULg; Hanon, Emilien ULg et al

in European Journal of Lipid Science and Technology [=EJLST] (2009), 111(4), 376-385

Milk fat (MF) and rapeseed oil (RO) blends were analyzed by differential scanning calorimetry (DSC). It was shown that peak and onset temperatures can be used to determine the percentage of each fat in ... [more ▼]

Milk fat (MF) and rapeseed oil (RO) blends were analyzed by differential scanning calorimetry (DSC). It was shown that peak and onset temperatures can be used to determine the percentage of each fat in the blend and that the relative enthalpy of one peak assigned to low-melting triacylglycerols (TAG) can also be used to determine the percentage of RO in the blend. A linear relation was also established between IMF content of the blend and its dropping point (DP), indicating that DP can be linearly related with the above DSC data. A blend of MF/RO 70 : 30 (wt/wt) was then chosen as a model system for enzymatic interesterification (EIE). The applicability of DSC analyses to EIE products was checked and a correct correlation could be established between DSC values and the interesterification degree and DP. Among the data from the DSC profiles, the peak associated with low-melting TAG was the best indicator of the reaction course. In the same way, a high-melting MF stearin fraction was interesterified. with RO. In that case, onset temperatures and peak "a" were better reaction indicators than for the interesterified MF/RO blend. We therefore suggest that values from DSC endotherms could be used to monitor EIE of fat blends. [less ▲]

Detailed reference viewed: 116 (49 ULg)
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See detailCalorimetry of cationic liposome-DNA complex and intracellular visualization of the complexes.
Elouahabi, Abdelatif; Thiry, Marc ULg; Pector, Veronique et al

in Methods in Enzymology (2003), 373

Detailed reference viewed: 25 (4 ULg)
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See detailCalottes glaciaires et niveau marin
Fettweis, Xavier ULg

Conference given outside the academic context (2014)

Detailed reference viewed: 19 (2 ULg)
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Peer Reviewed
See detailCalretinin expression as a critical component in the control of dentate gyrus long-term potentiation in mice
Gurden, H.; Schiffmann, S. N.; Lemaire, M. et al

in European Journal of Neuroscience (1998), 10

We have recently reported that mice homozygous (Cr–/–) for a null mutation in the calretinin gene have impaired long‐term potentiation (LTP) induction in the dentate gyrus (S. Schurmans et al. (1997) Proc ... [more ▼]

We have recently reported that mice homozygous (Cr–/–) for a null mutation in the calretinin gene have impaired long‐term potentiation (LTP) induction in the dentate gyrus (S. Schurmans et al. (1997) Proc. Natl. Acad. Sci. USA, 94, 10415 ). Here, we investigated dentate LTP induction in mice heterozygous (Cr+/–) for the same mutation. Despite the presence of calretinin in neurons of these mice, although at reduced levels as compared with normal mice, LTP induction in dentate gyrus was totally impaired. Spatial memory and learning were found unaffected in Cr+/– mice, such as in Cr–/– mice. Altogether, our results suggest that calretinin is a critical component in the control of dentate synaptic plasticity in mice, and that levels of calretinin higher than those observed in Cr+/– mice are required to induce LTP in this area. The possible mechanisms leading to the absence of correlation between gene dosage and biological effects are discussed [less ▲]

Detailed reference viewed: 17 (4 ULg)