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See detailNucleotide sequence of the gene encoding the Streptomyces albus G β-lactamase precursor
Dehottay, Philippe; Dusart, Jean; De Meester, Fabien et al

in European Journal of Biochemistry (1987), 166(2), 345-350

A 1400-base DNA fragment, which contains the gene encoding the extracellular active-site serine beta-lactamase of Streptomyces albus G previously cloned into Streptomyces lividans [Dehottay et al. (1986 ... [more ▼]

A 1400-base DNA fragment, which contains the gene encoding the extracellular active-site serine beta-lactamase of Streptomyces albus G previously cloned into Streptomyces lividans [Dehottay et al. (1986) Gene 42, 31-36], was sequenced. The gene codes for a 314-amino-acid precursor, the N-terminal region of which has the characteristics of a signal peptide. The beta-lactamase as excreted by the host strain S. lividans PD6 has a ragged N-terminus, indicating either the presence of a leader peptidase of poor specificity or the action of an aminopeptidase. The primary structure (as deduced from the nucleotide sequence) was confirmed by amino acid sequencing of a 16-residue stretch at the amino terminus of the protein, a 12-residue stretch containing the active-site serine [De Meester et al. (1987) Biochem. J. 244, 427-432] and a 23-residue stretch obtained by trypsin digestion of the protein. The beta-lactamase belongs to class A, has three half-cystine residues (one of which occurs on the amino side of the active-site serine) and is inactivated by thiol reagents. Putative ribosome binding site and terminator region were identified. [less ▲]

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See detailModélisation de la nappe aquifère de Hesbaye
Dassargues, Alain ULg; Radu, Jean-Pol ULg; Hallet, Vincent et al

Report (1987)

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See detailPhotometric variability of some CP stars
Heck, A.; Mathys, G.; Manfroid, Jean ULg

in Astronomy and Astrophysics. Supplement Series (1987), 70

The photometric data relative to twenty-three southern CP stars have been re-analysed. New or improved parameters of the lightcurves are presented for eleven of them.

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See detailThe missing opacity and the temperature calibration of solar-type stars
Magain, Pierre ULg

in Astronomy and Astrophysics (1987), 181

The novel temperature calibration of some color indices presented for G and F dwarfs is based on the IR flux method and extends the work of Saxner and Hammarback (1985) to the Population II stars ... [more ▼]

The novel temperature calibration of some color indices presented for G and F dwarfs is based on the IR flux method and extends the work of Saxner and Hammarback (1985) to the Population II stars. Attention is given to the discrepancy between theoretical and empirical temperature calibrations. It is suggested that the most straightforward interpretation of the disagreement between empirical colors and some model predictions is that of the 'missing opacity' due to a veil of faint metal lines, present in the blue and UV regions of the spectra of solar-type and cooler stars, but excluded from the model. [less ▲]

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See detailLe Blues est-il Américain ?
Sacré, Robert ULg

Conference given outside the academic context (1987)

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See detailNeuroendocrinology of the thymus
Geenen, Vincent ULg; Legros, Jean-Jacques ULg; Franchimont, Paul

Conference (1987, June 22)

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See detailCoexistence of lactogenic and somatogenic receptors in bovine mammary gland.
Beckers, Jean-François ULg; Wouters-Ballman, P.; Ectors, F.

in Proceedings of the 1st European Congress of Endocrinology (1987, June 21)

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See detailLes matrices identificatoires à l’oeuvre dans le mouvement ouvrier chrétien à l’heure du déclin du cléricalisme (1968-1996). Les relais politiques des organisations ouvrières chrétiennes en Wallonie.
Verjans, Pierre ULg

Doctoral thesis (1987)

Le mouvement ouvrier chrétien, coupole de la confédération des syndicats chrétiens, de l'alliance nationale des mutualités chrétiennes, des coopératives chrétiennes, des jeunesses ouvrières chrétiennes ... [more ▼]

Le mouvement ouvrier chrétien, coupole de la confédération des syndicats chrétiens, de l'alliance nationale des mutualités chrétiennes, des coopératives chrétiennes, des jeunesses ouvrières chrétiennes, de Vie féminine et des Equipes populaires, a souvent été vu comme le pilier social du parti social chrétien. A l'inverse, celui-ci lui servait de relais politique privilégié. L'étude montre que le mouvement ouvrier chrétien a été déchiré par des tensions politiques fortes qui ont fait préférer à plusieurs dirigeants d'autres relais politiques que le PSC. [less ▲]

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See detailPhotoelastic effects in Single-Mode Optical Fibers
Roose, Stéphane ULg; Bastiaensens, Jan

Scientific conference (1987, June 04)

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See detailUVBY observations of A, F, G and K field stars
Manfroid, Jean ULg; Oblak, E.; Pernier, B.

in Astronomy and Astrophysics. Supplement Series (1987), 69

Photoelectric data in the uvby system have been obtained for about 800 southern stars of the Hipparcos Input Catalog (Grenon, 1982, 1985). Most of the stars are F and G main sequence and fall in the ... [more ▼]

Photoelectric data in the uvby system have been obtained for about 800 southern stars of the Hipparcos Input Catalog (Grenon, 1982, 1985). Most of the stars are F and G main sequence and fall in the magnitude range V = 8-11. [less ▲]

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See detailHD 151932 variability revisited
Vreux, Jean-Marie ULg; Manfroid, Jean ULg; Scuflaire, Richard ULg et al

in Astronomy and Astrophysics (1987), 180

The observation of variations in the blue absorption component of the He I lines as well as in the Si IV 4089 emission line of HD 151932 is reported. Possible explanations for these variations are ... [more ▼]

The observation of variations in the blue absorption component of the He I lines as well as in the Si IV 4089 emission line of HD 151932 is reported. Possible explanations for these variations are addressed, and it is concluded that none is satisfactory. The possibility of a periodicity in the variations is briefly considered. [less ▲]

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See detailAbundances of light elements in halo dwarfs - A re-analysis
Magain, Pierre ULg

in Astronomy and Astrophysics (1987), 179

The abundances of a few light elements in the atmospheres of halo dwarfs are redetermined on the basis of literature data reanalysed in an homogeneous way. It is shown that the scatter of the resulting Mg ... [more ▼]

The abundances of a few light elements in the atmospheres of halo dwarfs are redetermined on the basis of literature data reanalysed in an homogeneous way. It is shown that the scatter of the resulting Mg and Al abundances is strongly reduced and that no discrepancy remains between the abundances deduced from blue and red lines. Mg, Si and Ca show constant overabundances while the Al overdeficiency seems in agreement with the predictions of explosive carbon burning. [less ▲]

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See detailThe Venus NO* Night Airglow: Model Calculations Using the Thermospheric General Circulation Model
Bougher, S. W.; Gérard, Jean-Claude ULg; Stewart, A. I. F. et al

Conference (1987, June 01)

Not Available

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See detailValidation of an early prognostic index by exercise test data in survivors from acute myocardial infarction
Chapelle, Jean-Paul ULg; Smeets, J. P.; El Allaf, M. et al

Conference (1987, June)

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See detailComment mesurer l'efficacité des interventions de l'animateur en milieu LOGO ?
Denis, Brigitte ULg; Solot, Françoise

in Education : tribune libre (1987), 207

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See detailVlaams dichterschap
Spinoy, Erik ULg

in Dietsche Warande en Belfort (1987), 132(5), 69-71

This is a review of a prose work by the Flemish modernist writer Lucienne Stassaert.

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See detailLa nueva novela hispanoamericana. Boom y bumerang
Vanden Berghe, Kristine ULg

Master's dissertation (1987)

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See detailNeuroanatomie chimique du thymus et des organes lymphoïdes
Geenen, Vincent ULg

Conference given outside the academic context (1987)

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