References of "Thonart, Philippe"
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See detailDesiccation-tolerance : an advantage for the biotechnological applications of bacteria
Weekers, F.; Jacques, Philippe ULg; Springael, D. et al

Poster (1999, July)

Detailed reference viewed: 27 (1 ULg)
See detailSurfactin and iturin A effects on Bacillus subtilis surface hydrophobicity
Ahimou, F.; Deleu, Magali ULg; Jacques, Philippe ULg et al

Poster (1999, July)

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See detailComparative study of bile salts hydrolase activity from Lactobacilli ssp.
El Mejdoub, Thami ULg; Roblain, D.; Destain, Jacqueline ULg et al

Poster (1999, July)

Detailed reference viewed: 28 (2 ULg)
See detailScreening of new microorganisms for pectinases production
Ciza, A.; Sinnaeve, G.; Deconinck, T. et al

Poster (1999, July)

Detailed reference viewed: 10 (3 ULg)
See detailMicrobiological and chemical study of « Tiéré », senegalese millet fermented food.
Leite, N.; Diop, M.; Tine, E. et al

Poster (1999, July)

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See detailThe monitoring of the enzymatic depolymerisation of pectins by spectroscopic techniques.
Sinnaeve, G.; Ciza, A.; Deconinck, T. et al

Poster (1999, July)

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See detailScreening of pectolytic microorganisms by near infrared reflectance spectroscopy.
Sinnaeve, G.; Ciza, A.; Deconinck, T. et al

Poster (1999, June)

Detailed reference viewed: 15 (0 ULg)
See detailAntifungal lipopeptides from B. subtilis induce defense-related phenolics in potato
Ongena, Marc ULg; Akpa, E.; Thonart, Philippe ULg et al

Poster (1999, May 04)

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See detailEpidemiological Typing of Extended-Spectrum Beta-Lactamase-Producing Klebsiella Pneumoniae Isolates by Pulsed-Field Gel Electrophoresis and Antibiotic Susceptibility Patterns
Chetoui, H.; Delhalle, E.; Melin, Pierrette ULg et al

in Research in Microbiology (1999), 150(4), 265-72

Over a 16-month period, Klebsiella pneumoniae isolates from 102 patients admitted to a university hospital in Liege (Belgium) produced extended-spectrum beta-lactamases. Pulsed-field gel electrophoresis ... [more ▼]

Over a 16-month period, Klebsiella pneumoniae isolates from 102 patients admitted to a university hospital in Liege (Belgium) produced extended-spectrum beta-lactamases. Pulsed-field gel electrophoresis of genome macrorestriction patterns with XbaI and antibiotic susceptibility patterns subdivided 39 isolates into eight clonally related groups. Two of them were implicated in the course of this outbreak. They were responsible for successive waves of infection or colonization in different wards of the hospital while the others were encountered sporadically. A beta-lactamase with an isoelectric point of 7.6 and consistent with type SHV-2 characterized all nine isolates chosen among both major groups. [less ▲]

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See detailStructural and functional organization of the fengycin synthetase multienzyme system from Bacillus subtilis b213 and A1/3
Steller, S.; Vollenbroich, D.; Leenders, F. et al

in Chemistry & Biology (1999), 6(31-41),

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See detailDevelopment of a technique to determine bile salt hydrolase activity by Lactobacilli spp
Thonart, Philippe ULg; El Mejdoub, T.; Roblain, D. et al

Poster (1999)

Detailed reference viewed: 7 (1 ULg)
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See detailSurface composition and physico-chemical properties of Bacillus subtilis
Ahimou, F.; Boonaert, C.J.P.; Jacques, Philippe ULg et al

Poster (1999)

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See detailStructure, interfacial properties, and functional qualities in foams and emulsions of surfactin, a lipopeptidefrom Bacillus subtilis
Deleu, Magali ULg; Paquot, Michel ULg; Razafindralambo, Hary ULg et al

in Structure, Interfacial properties and functional qualities in foams (1999)

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See detailIn vitro root cultures of Panax ginseng and P-quinquefolium
Kevers, Claire ULg; Jacques, Philippe ULg; Thonart, Philippe ULg et al

in Plant Growth Regulation (1999), 27(3), 173-178

The paper describes a procedure for the initiation, subculture and continued proliferation of adventitious roots of Panax ginseng and Panax quinquefolium, which resemble hairy roots. The technique took ... [more ▼]

The paper describes a procedure for the initiation, subculture and continued proliferation of adventitious roots of Panax ginseng and Panax quinquefolium, which resemble hairy roots. The technique took advantage of the high powerful activity of a new synthetic auxin: benzo[b]selenienyl acetic acid (BSAA). Such initiation from root explants was dependent upon the season, the type and concentration of auxin. The hairy-like roots of ginseng could be subcultured by transfer every 4 weeks to fresh liquid medium either in agitated Erlenmeyer flasks or in bioreactors. Optimal conditions for a continued multiplication (up to 14 per month) were determined. The only practical problem was the limitation of the fresh mass as inoculum: the multiplication rate decreased with the increased quantity of roots. It is postulated that a root growth inhibiting substance was released into the media by the proliferating ginseng hairy roots. [less ▲]

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See detailComputer Simulation Of Surfactin Conformation At A Hydrophobic/Hydrophilic Interface
Gallet, X.; Deleu, Magali ULg; Razafindralambo, Hary ULg et al

in Langmuir (1999), 15(7), 2409-13

Using a molecular modeling method, different conformations of surfactin at a hydrophobic/hydrophilic interface are established. Two conformations of the peptide ring (S1 and S2) provided by NMR ... [more ▼]

Using a molecular modeling method, different conformations of surfactin at a hydrophobic/hydrophilic interface are established. Two conformations of the peptide ring (S1 and S2) provided by NMR experiments built with three different aliphatic chains in folded or extended configurations were studied. For the structures including the S2 peptide ring conformation, the theoretical interfacial molecular area corresponds to the experimental limiting area A0 value obtained with a Langmuir film balance. The peptide ring is positioned in the plane of the interface with the two acidic chains close to each other and protruding in the aqueous phase, and the β-hydroxy fatty acid chain, folded to interact mainly with the Leu2 side chain and also with the Val4 side chain. This design has the largest calculated molecular area and would correspond to the most stable amphipathic structure representing the surfactin experimental behavior in weak compression. [less ▲]

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