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See detailLa fumure azotée
Destain, Jean-Pierre ULg; Roisin, Christian; Marcoen, Jean Marie ULg et al

in Livre Blanc: Céréales - Gembloux (2010, February 24)

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See detailLa fumure azotée
Destain, Jean-Pierre ULg; Couvreur, Luc; Herman, Jean-Luc et al

in Livre Blanc: Céréales - Gembloux (2007, February 28)

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See detailFumure et protection phytosanitaire des céréales
Monfort, Bruno; Herman, Jean-Luc; Bodson, Bernard ULg et al

in Livre Blanc - Céréales Gembloux (2003, September 09)

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See detailFunción de la intertextualidad bíblica en "El retrato de la Lozana Andaluza" de Francisco Delgado
François, Jéromine ULg

Conference (2012, November 09)

La Lozana andaluza describes the story of a gifted prostitute which adventures occur in Rome before the Sack of 1527. However, the writer, an Andalusian priest, fills his text with biblical references. As ... [more ▼]

La Lozana andaluza describes the story of a gifted prostitute which adventures occur in Rome before the Sack of 1527. However, the writer, an Andalusian priest, fills his text with biblical references. As the purpose of his Portrait gives rise to debate and is valued according to its (un)appropriateness to the Christian doctrine, we study the role of the biblical intertextuality in the determination of this purpose. Indeed, in La Lozana, the biblical hypotext presents its traditional function as an auctoritas but it also constitutes a favored tool of linguistic games, a source of comic effects, and supplies the framework of the Portrait. In this work we examine the mixed intertextuality used by an autor which anticlericalism was sometimes interpreted as an erasmist feature. Consequently, we highlight, always making links with the biblical marks of La Lozana, first some evidences that make an orthodox interpretation possible, and later some dissident tendencies that cross the story. The biblical intertextuality produces a duplicity of the discourse that prevents an univocal interpretation. In fact, this posture is understandable during a time which is disturbed by religious tensions. [less ▲]

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See detailFunction and application of plant volatiles in ecological regulation and management of pest.
Zhou, Haibo ULg

(2008, November 02)

Study on the ecological regulation of pests was one of the hotspot in the researches of sustainable agriculture in recent years,and the plant volatiles have been shown to exert important influence on ... [more ▼]

Study on the ecological regulation of pests was one of the hotspot in the researches of sustainable agriculture in recent years,and the plant volatiles have been shown to exert important influence on behaviors of pests. This paper reviewed the effect and mechanism of plant volatiles to pests in host selection, attraction,antifeeding, repellence, growth inhibition, the prospect and application of plant volatiles to agricultural cultivation was further discussed. [less ▲]

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See detailFunction and dysfunction of the lower airways
Lekeux, Pierre ULg; Art, Tatiana ULg

in Proceedings: 9e Congrès de médecine et chirurgie équine (2005)

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See detailTHE FUNCTION OF HMG-BOX TRANSCRIPTION FACTORS Sox4a AND Sox4b IN ZEBRAFISH BONE DEVELOPMENT AND HOMEOSTASIS.
Aceto, Jessica ULg; Motte, Patrick ULg; Martial, Joseph ULg et al

in Journal of Gravitational Physiology : A Journal of the International Society for Gravitational Physiology (2008), 15

In mammals, the Sox4 gene is involved in development of endocardial crests, the brain, the lung, teeth, gonads and lymphocytes. Recently, Sox4 was shown to control bone mass and mineralization in mice. In ... [more ▼]

In mammals, the Sox4 gene is involved in development of endocardial crests, the brain, the lung, teeth, gonads and lymphocytes. Recently, Sox4 was shown to control bone mass and mineralization in mice. In zebrafish, two homologs for the mammalian Sox4 are present, sox4a and sox4b. Here we investigate the function of the sox4a and sox4b genes in cartilage and bone development in zebrafish. Therefore, we focus our attention on the first bone structures to be formed, the head skeleton and more precisely the pharyngeal cartilage. We show that both genes are expressed in the pharyngeal region, albeit at different time points during development. Double in situ hybridization experiments are used to exactly define the particular tissues where they are expressed. Furthermore, microinjection experiments of antisense oligonucleotides are used to block translation of these specific genes and to define their precise function during cartilage and bone development. [less ▲]

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See detailFunction of Penicillin-binding protein 3 in Streptococcus Faecium
Coyette, Jacques; Somzé, Anne; Briquet, Jean-Jacques et al

in Hakenbeck, Regine; Höltje, Joachim-Volker; Labischinski, Harald (Eds.) The Target Penicillin : the Murein Sacculus of Bacterial Cell Walls Architecture and Growth : Proceedings (1983)

Cefotaxime at concns. around the min. inhibitory concn. (MIC, 5 μM) or below (0.1-1.0 μM) causes transformation of the normal S. faecium cells to bacilliform cells whose length increases with increasing ... [more ▼]

Cefotaxime at concns. around the min. inhibitory concn. (MIC, 5 μM) or below (0.1-1.0 μM) causes transformation of the normal S. faecium cells to bacilliform cells whose length increases with increasing duration of treatment. Septa are initiated but never reach completion. Affinity detn. for cefotaxime binding showed that the antibiotic binds preferentially to the 3 highest mol. wt. penicillin-binding proteins (PBP); PBP-2 and PBP-3 are about 100-fold more sensitive to cefotaxime than PBP-1. It appears, therefore, that PbP-2 and PBP-3 are involved in cell septation. This was confirmed by using cefatoxime in subinhibitory concns. (1 μM). From cell samples collected 30 and 60 min after addn. of cefotaxime, membranes were isolated, labeled with satg. [3H]benzylpenicillin and examd. by fluorog. Under these conditions only PBP-2 and PBP-3 were satd. by cefotaxime. At this stage no distinction could be made between the 2 proteins; either both or 1 of them may be involved in cell division. Cefoxitin produced morphol. alteration of a different nature than cefotaxime. The cefoxitin-treated cells had increased diam. and were slightly elongated. The most striking alteration was the frequent presence of conical poles contrasting with round poles obsd. in control cells. The morphol. alteration obsd. in cefoxitin-treated cells could be attributed to the inhibition of the function of PBP-1, PBP-2, or PBP-3. Elongated cells similar to those obtained with cefotaxime were not found with cefoxitin at concns. sufficient to sat. PBP-2. The main difference between cefotaxime- and cefoxitin-treated cells is that PBP-3 is satd. by cefotaxime but not altered at all by cefoxitin. Thus, septation inhibition must be due to the interaction of cefotaxime with PBP-3 [less ▲]

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See detailFunction of the Chloroplast Hydrogenase in the Microalga Chlamydomonas: The Role of Hydrogenase and State Transitions during Photosynthetic Activation in Anaerobiosis
Ghysels, Bart ULg; Godaux, Damien ULg; Matagne, René-Fernand ULg et al

in PLoS ONE (2013), 8(5), 64161

Like a majority of photosynthetic microorganisms, the green unicellular alga Chlamydomonas reinhardtii may encounter O2 deprived conditions on a regular basis. In response to anaerobiosis or in a ... [more ▼]

Like a majority of photosynthetic microorganisms, the green unicellular alga Chlamydomonas reinhardtii may encounter O2 deprived conditions on a regular basis. In response to anaerobiosis or in a respiration defective context, the photosynthetic electron transport chain of Chlamydomonas is remodeled by a state transition process to a conformation that favours the photoproduction of ATP at the expense of reductant synthesis. In some unicellular green algae including Chlamydomonas, anoxia also triggers the induction of a chloroplast-located, oxygen sensitive hydrogenase, which accepts electrons from reduced ferredoxin to convert protons into molecular hydrogen. Although microalgal hydrogen evolution has received much interest for its biotechnological potential, its physiological role remains unclear. By using specific Chlamydomonas mutants, we demonstrate that the state transition ability and the hydrogenase function are both critical for induction of photosynthesis in anoxia. These two processes are thus important for survival of the cells when they are transiently placed in an anaerobic environment. [less ▲]

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See detailFunction of the chloroplastic NAD(P)H dehydrogenase Nda2 for H(2) photoproduction in sulphur-deprived Chlamydomonas reinhardtii.
Mignolet, Emmanuel; Lecler, Renaud; Ghysels, Bart ULg et al

in Journal of biotechnology (2012), 162(1), 81-8

The relative contributions of the PSII-dependent and Nda2-dependent pathways for H(2) photoproduction were investigated in the green microalga Chlamydomonas reinhardtii after suphur-deprivation. For this ... [more ▼]

The relative contributions of the PSII-dependent and Nda2-dependent pathways for H(2) photoproduction were investigated in the green microalga Chlamydomonas reinhardtii after suphur-deprivation. For this purpose, H(2) gas production was compared for wild-type and Nda2-deficient cells with or without DCMU (a PSII-inhibitor) in the same experimental conditions. Nda2-deficiency caused a 30% decrease of the maximal H(2) photoevolution rate observed shortly after the establishment of anoxia, and an acceleration of the decline of H(2) photoevolution rate with time. DCMU addition to Nda2-deficient cells completely inhibited H(2) photoproduction, showing that the PSII-independent H(2) photoproduction relies on the presence of Nda2, which feeds the photosynthetic electron transport chain with electrons derived from oxidative catabolism. Nda2-protein abundance increased as a result of sulphur deprivation and further during the H(2) photoproduction process, resulting in high rates of non-photochemical plastoquinone reduction in control cells. Nda2-deficiency had no significant effect on photosynthetic and respiratory capacities in sulphur-deprived cells, but caused changes in the cell energetic status (ATP and NADPH/NADP+ ratio). The rapid decline of H(2) photoevolution rate with time in Nda2-deficient cells revealed a more pronounced inhibition of H(2) photoproduction by accumulated H(2) in the absence of non-photochemical plastoquinone reduction. Nda2 is therefore important for linking H(2) photoproduction with catabolism of storage carbon compounds, and seems also involved in regulating the redox poise of the photosynthetic electron transport chain during H(2) photoproduction. [less ▲]

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See detailFunction of the chloroplastic NADP(H) dehydrogenase NDA2 for the H2 photoproduction in sulphur-deprived Chlamydomonas reinhardtii
Mignolet, Emmanuel ULg; Lecler, Renaud ULg; Ghysels, Bart ULg et al

in Journal of Biotechnology (2012), 162

The relative contributions of the PSII-dependent and Nda2-dependent pathways for H2 photoproduction were investigated in the green microalga Chlamydomonas reinhardtii after suphur-deprivation. For this ... [more ▼]

The relative contributions of the PSII-dependent and Nda2-dependent pathways for H2 photoproduction were investigated in the green microalga Chlamydomonas reinhardtii after suphur-deprivation. For this purpose, H2 gas production was compared for wild-type and Nda2-deficient cells with or without DCMU (a PSII-inhibitor) in the same experimental conditions. Nda2-deficiency caused a 30 % decrease of the maximal H2 photoevolution rate observed shortly after the establishment of anoxia, and an acceleration of the decline of H2 photoevolution rate with time. DCMU addition to Nda2-deficient cells completely inhibited H2 photoproduction, showing that the PSII-independent H2 photoproduction relies on the presence of Nda2, which feeds the photosynthetic electron transport chain with electrons derived from oxidative catabolism. Nda2-protein abundance increased as a result of sulphur deprivation and further during the H2 photoproduction process, resulting in high rates of non-photochemical plastoquinone reduction in control cells. Nda2-deficiency had no significant effect on photosynthetic and respiratory capacities in sulphur-deprived cells, but caused changes in the cell energetic status (ATP and NADPH/NADP+ ratio). The rapid decline of H2 photoevolution rate with time in Nda2-deficient cells revealed a more pronounced inhibition of H2 photoproduction by accumulated H2 in the absence of non-photochemical plastoquinone reduction. Nda2 is therefore important for linking H2 photoproduction with catabolism of storage carbon compounds, and seems also involved in regulating the redox poise of the photosynthetic electron transport chain during H2 photoproduction. [less ▲]

Detailed reference viewed: 48 (13 ULg)
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See detailThe function of the transcription factor Egr1 in zebrafish cartilage development
Dalcq, Julia ULg; Pasque, Vincent; Ramos, Sonia Davila et al

in Developmental Biology (2007, June 01), 306(1), 439-440

Detailed reference viewed: 55 (12 ULg)
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See detailFunction, diversity and therapeutic potential of the N-terminal domain of human chemokine receptors
Szpakowska, Martyna ULg; Fievez, Virginie; Arumugan, Karthik et al

in Biochemical Pharmacology (2012)

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See detailFunctional adaptations of the bacterial chaperone trigger factor to extreme environmental temperatures
Godin-Roulling, Amandine ULg; Schmidpeter, P.A.M.; Schmid, F.X. et al

in Environmental Microbiology (2014)

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See detailFunctional adaptations of the bacterial chaperone trigger factor to extreme environmental temperatures
Godin, Amandine ULg; Schmidpeter, P.; Schmid, F.X. et al

Poster (2014)

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See detailFunctional amphiphilic and biodegradable copolymers for intravenous vectorization
Van Butsele, Kathy ULg; Jérôme, Robert ULg; Jérôme, Christine ULg

in Polymer (2007), 48

This paper aims at reporting on the design of polymeric drug nanocarriers used in cancer therapy, with a special emphasis on the control of their biodistribution. First, the prominent role of poly ... [more ▼]

This paper aims at reporting on the design of polymeric drug nanocarriers used in cancer therapy, with a special emphasis on the control of their biodistribution. First, the prominent role of poly(ethylene oxide) in the lifetime of nanocarriers circulating in the blood stream is highlighted, and the origin of a passive targeting based on a difference in the anatomy of tumors and normal tissues is discussed. The main body of the review is devoted to the targeting of nanocarriers towards tumors and the underlying concepts. As a rule, either the constitutive polymer is stimuli-responsive and the locus of drug release is where the stimulation occurs, or a ligand endowed with specific recognition is grafted onto the nanocarrier. Finally, the fate of the nanocarrier after drug delivery and the bioelimination of the polymer(s) involved are briefly considered. [less ▲]

Detailed reference viewed: 30 (1 ULg)