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See detailPLENA and FARINELLI: redundancy and regulatory interactions between two Antirrhinum MADS-box factors controlling flower development.
Davies, B.; Motte, Patrick ULg; Keck, E. et al

in EMBO Journal (1999), 18(14), 4023-34

We report the discovery of an Antirrhinum MADS-box gene, FARINELLI (FAR), and the isolation of far mutants by a reverse genetic screen. Despite striking similarities between FAR and the class C MADS-box ... [more ▼]

We report the discovery of an Antirrhinum MADS-box gene, FARINELLI (FAR), and the isolation of far mutants by a reverse genetic screen. Despite striking similarities between FAR and the class C MADS-box gene PLENA (PLE), the phenotypes of their respective mutants are dramatically different. Unlike ple mutants, which show homeotic conversion of reproductive organs to perianth organs and a loss of floral determinacy, far mutants have normal flowers which are partially male-sterile. Expression studies of PLE and FAR, in wild-type and mutant backgrounds, show complex interactions between the two genes. Double mutant analysis reveals an unexpected, redundant negative control over the B-function MADS-box genes. This feature of the two Antirrhinum C-function-like genes is markedly different from the control of the inner boundary of the B-function expression domain in Arabidopsis, and we propose and discuss a model to account for these differences. The difference in phenotypes of mutants in two highly related genes illustrates the importance of the position within the regulatory network in determining gene function. [less ▲]

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See detailPleuresies d'etiologie inattendue: le corps etranger au sein de la cavite pleurale.
Ribera-Jorba, Thaïs; HEINEN, Vincent ULg; Corhay, Jean-Louis ULg et al

in Revue medicale de Liege (2014), 69(1), 38-45

Following three brief clinical reports, we review the literature concerning a rare cause of exudative pleural effusion: the presence of a foreign body in the pleural cavity. Frequently iatrogenical, this ... [more ▼]

Following three brief clinical reports, we review the literature concerning a rare cause of exudative pleural effusion: the presence of a foreign body in the pleural cavity. Frequently iatrogenical, this rare etiology of pleural effusion must be envisaged when this complication develops after any invasive peri-thoracic surgery and must be included in the differential diagnosis of recurrent pleural effusions. These effusions have a favorable prognosis after withdrawal of the foreign body. [less ▲]

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See detailLa pleuropneumonie contagieuse bovine
Linden, Annick ULg; Desmecht, Daniel ULg

in Vlaams Diergeneeskundig Tijdschrift (2000), 69

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See detailPli et "subjectivation" chez Heidegger
Pieron, Julien ULg

in Cormann, Grégory; Laoureux, Sébastien; Pieron, Julien (Eds.) Différence et identité: Les enjeux phénoménologiques du pli (2006)

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See detailPli et subjectivation chez Heidegger
Pieron, Julien ULg

Conference (2004, November 23)

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See detail“Pli selon pli”. Les modèles musicaux de Mallarmé
Durand, Pascal ULg

in Albéra, Ph. (Ed.) Pli selon pli de Pierre Boulez. Entretien et études (2003)

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See detailPli, émotion et temporalité : remarques sur le problème de l’enfance chez Sartre et Merleau-Ponty
Cormann, Grégory ULg

in Cormann, Grégory; Laoureux, Sébastien; Pieron, Julien (Eds.) Différence et identité. Les enjeux phénoménologiques du « pli » (2005)

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See detailPlicathyridine brachiopods from the Frasnian (Upper Devonian) of the Middle East and Belgium
Mottequin, Bernard ULg; Brice, Denise

in Programme and abstracts volume (2010, June 28)

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See detailPline l’Ancien et l’art de la Renaissance. Balises pour une étude de réception entre le Nord et le Sud
Bert, Mathilde ULg

in Revue Belge d'Archéologie et d'Histoire de l'Art (2006), 75

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See detailPlis et enveloppements chez Leibniz
Bouquiaux, Laurence ULg

in Différence et identité. Les enjeux phénoménologiques du pli (2006)

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See detailPlissements superposés à Belle-Isle-en-Mer (Morbihan)
Darimont, Anne ULg

in Annales de la Société Géologique de Belgique (1973), 96

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See detailPlmA, a new member of the GntR family, has plasmid maintenance functions in Anabaena sp. strain PCC 7120
Lee, M. H.; Scherer, K.; Rigali, Sébastien ULg et al

in Journal of Bacteriology (2003), 185(15), 4315-4325

The filamentous cyanobacterium Anabaena (Nostoc) sp. strain PCC 7120 maintains a genome that is divided into a 6.4-Mb chromosome, three large plasmids of more that 100 kb, two medium-sized plasmids of 55 ... [more ▼]

The filamentous cyanobacterium Anabaena (Nostoc) sp. strain PCC 7120 maintains a genome that is divided into a 6.4-Mb chromosome, three large plasmids of more that 100 kb, two medium-sized plasmids of 55 and 40 kb, and a 5.5-kb plasmid. Plasmid copy number can be dynamic in some cyanobacterial species, and the genes that regulate this process have not been characterized. Here we show that mutations in an open reading frame, all1076, reduce the numbers of copies per chromosome of several plasmids. In a mutant strain, plasmids pCC7120delta and pCC7120zeta are both reduced to less than 50% of their wild-type levels. The exogenous pDU1-based plasmid pAM1691 is reduced to less than 25% of its wild-type level, and the plasmid is rapidly lost. The peptide encoded by all1076 shows similarity to members of the GntR family of transcriptional regulators. Phylogenetic analysis reveals a new domain topology within the GntR family. PlmA homologs, all coming from cyanobacterial species, form a new subfamily that is distinct from the previously identified subfamilies. The all1076 locus, named plmA, regulates plasmid maintenance functions in Anabaena sp. strain PCC 7120. [less ▲]

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See detailLe plomb atmosphérique enregistré dans les stalagmites de Han-sur-Lesse
Allan, Mohammed ULg; Verheyden, sophie

Conference (2013, November 16)

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See detailLe plomb dans les traités d’architecture français des Temps Modernes
Gilles, Isabelle ULg

Conference (2013, October 15)

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See detailPlongée et barotraumatisme chez les cétacés
Jauniaux, Thierry ULg

in annual proceeding (2005)

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See detailPlot-scale vertical and horizontal transport of CO2 modified by a persistent slope wind system in and above an alpine forest
Feigenwinter, Christian; Montagnani, Leonardo; Aubinet, Marc ULg

in Agricultural and Forest Meteorology (2010), 150(5), 665-673

Data from the flux tower site Renon/Ritten, Italy, located at 1735 m. a.s.l. on a south exposed steep (11 degrees) forested alpine slope, is analyzed. In spite of the complex terrain, a persistent slope ... [more ▼]

Data from the flux tower site Renon/Ritten, Italy, located at 1735 m. a.s.l. on a south exposed steep (11 degrees) forested alpine slope, is analyzed. In spite of the complex terrain, a persistent slope wind system prevailed at the site during most of the ADVEX campaign from April to September 2005. We describe in detail how CO2 is transported parallel to the slope and how this transport affects net ecosystem exchange (NEE) in the diurnal course. The local slope wind system may be strongly modified by two different large scale synoptic situations. The "Tramontana", a persistent strong wind from the north, amplified the drainage flow during nighttime and suppressed the upslope flow above the forest canopy during daytime. Vice versa, we observed periods with continuing flow from the south, which supported the local daytime upslope flow and partly suppressed the nighttime downslope flow. This led to periods of several hours with opposite flow directions in and above the canopy. Depending on the prevailing situation, the trunk space is coupled and/or decoupled with/from the roughness sublayer above the forest canopy. In particular, vertical and horizontal mixing of CO2 was strongly dependent on the dominating wind field with essential impact on the horizontal advective flux of CO2. The most common "Local" situation, dominated by the slope wind system, showed positive horizontal and vertical advection (with typical values around 7 and 3 mu mol m(-2) s(-1), respectively) together with downslope winds at night and slightly negative horizontal advection (typical values around 2 mu mol m(-2) s(-1)) together with upslope winds during the day. This pattern was amplified at night when the wind was consistently (day and night) blowing downslope (the "Tramontana" situation) and, vice versa, attenuated during the night, when the wind was blowing permanently upslope (the "Southerlies" situation). Taking into account these advective fluxes would significantly reduce the reported annual CO2 uptake of this forest. Related effects are expected to occur at flux tower sites with similar topography and vegetation. (C) 2009 Elsevier B.V. All rights reserved. [less ▲]

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See detailPlotselinge sterfte bij kalveren : rol van Clostridium perfringens
Mainil, Jacques ULg

Scientific conference (1995, November)

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See detailPLS analysis of fMRI data on cognitive processes
Bahri, Mohamed Ali ULg; Genon, Sarah ULg; Bastin, Christine ULg et al

Conference (2013, December 12)

Cognitive processes like memory and self-referential are known to be underlined by extended neural networks. To study these complex processes, multivariate methods appear as the methods of the first ... [more ▼]

Cognitive processes like memory and self-referential are known to be underlined by extended neural networks. To study these complex processes, multivariate methods appear as the methods of the first choice since they take into account the functional integration. Partial Least Square (PLS) was used to study neural networks related to memory and self-referential processing in Alzheimer’s disease patients (AD) and two examples were presented. In the first one, we investigated the metabolic correlates of two forms of memory (conjunctive and relational memory performances) in AD. PLS identified two different brain networks highlighting correlations of the two types of memory and the glucose metabolism. In the second example, we assessed brain regions engaged during self-referential processing of information in AD patients during a task related fMRI study. PLS identified a wide brain network showing the effect of self- vs. other-referential processing. In contrast to univariate methods, PLS showed to be suitable for the study of cognitive processes. [less ▲]

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