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See detailTrophic niches of thirteen damselfishes (Pomacentridae) at the Grand Récif of Toliara, Madagascar
Frederich, Bruno ULiege; Fabri, Grégory ULiege; Lepoint, Gilles ULiege et al

in Ichthyological Research (2009), 56

The damselfishes, with more than 340 species, constitute one of the most important families that live in the coral reef environment. Most of our knowledge of reef-fish ecology is based on this family, but ... [more ▼]

The damselfishes, with more than 340 species, constitute one of the most important families that live in the coral reef environment. Most of our knowledge of reef-fish ecology is based on this family, but their trophic ecology is poorly understood. The aim of the present study was to determine the trophic niches of 13 sympatric species of damselfishes by combining stable isotope (d15N and d13C) and stomach content analyses. Isotopic signatures reveal three main groups according to their foraging strategies: pelagic feeders (Abudefduf sexfasciatus, A. sparoides, A. vaigiensis, Chromis ternatensis, C. dimidiata, Dascyllus trimaculatus and Pomacentrus caeruleus), benthic feeders (Chrysiptera unimaculata, Plectroglyphidodon lacrymatus and Amphiprion akallopisos) and an intermediate group (D. aruanus, P. baenschi and P. trilineatus). Stomach contents reveal that planktonic copepods and filamentous algae mainly represent the diets of pelagic feeders and benthic feeders, respectively. The intermediate position of the third group resulted from a partitioning of small planktonic prey, small vagile invertebrates and filamentous algae. In this last feeding group, the presence of a wide range of d13C values in P. trilineatus suggests a larger trophic niche width, related to diet-switching over time. Some general considerations about the feeding habits of damselfishes reveal that their choice of habitat on the reef and their behavior appear to be good predictors of diet in this group. Benthic (algae and/or small invertebrates) feeders appear to be solitary and defend a small territory on the bottom; zooplankton feeders remain in groups just above the reef, in the water column. [less ▲]

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See detailImpact de l'infection par le VIH sur les cancers cutanes.
Quatresooz, Pascale ULiege; Pierard, Claudine ULiege; Pierard, Gérald ULiege

in Revue Médicale de Liège (2009), 64(1), 37-40

A series of skin cancers are more frequent or show a worsened course and outcome in HIV-treated patients. The leading neoplasms correspond to basal and squamous cell carcinomas, some primary cutaneous ... [more ▼]

A series of skin cancers are more frequent or show a worsened course and outcome in HIV-treated patients. The leading neoplasms correspond to basal and squamous cell carcinomas, some primary cutaneous lymphomas and malignant melanomas. In theses patients, early diagnosis and radical treatment on sight should be considered. [less ▲]

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See detailPregnancy-Associated Glycoprotein C-61 kDa [Fragment] from Bubalus bubalis placenta - Access number P86374
Barbato, O.; Melo de Sousa, Noelita ULiege; Barile, V. L. et al

E-print/Working paper (2009)

N-terminal microsequence obtained after purification and characterization of placental proteins in Bubalus bubalis. Proteins were submitted to SwissProt databank.

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See detailPurification de protéines associées à la gestation (PAG) chez le porc
Dethier, M.; Melo de Sousa, Noelita ULiege; Balci, S. et al

Poster (2009)

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See detailLes expositions d'art sonore: désarçonnantes?
Eloy, Céline ULiege

Conference (2009)

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See detailPregnancy-Associated Glycoprotein H-63 kDa [Fragment] from Bubalus bubalis placenta - Access number P86379
Barbato, O.; Melo de Sousa, Noelita ULiege; Barile, V. L. et al

E-print/Working paper (2009)

N-terminal microsequence obtained after purification and characterization of placental proteins in Bubalus bubalis. Proteins were submitted to SwissProt databank.

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See detailSound production in four damselfish (Dascyllus) species: phyletic relationships?
Parmentier, Eric ULiege; Lecchini, David; Frederich, Bruno ULiege et al

in Biological Journal of the Linnean Society (2009), 97

Most studies of fish sounds show that the sounds are species-specific, with unique spectral and timing characteristics. This raises the question as to whether these sounds can be used to understand ... [more ▼]

Most studies of fish sounds show that the sounds are species-specific, with unique spectral and timing characteristics. This raises the question as to whether these sounds can be used to understand phyletic relationships between species and which acoustic parameters are subject to variation between species. In the present study, 597 sounds (and 2540 pulses) related to signal jumps of four Dascyllus species (Dascyllus aruanus, Dascyllus trimaculatus, Dascyllus albisella, and Dascyllus flavicaudus) from different geographic regions (Madagascar, Moorea, Rangiroa, and Hawaii) were analysed. It was possible to discern species-specific sounds, but also variation in sounds between populations. Large variations in sound length were found between Dascyllus species, whereas differences in interpulse duration were found to be variable between populations. In the regions where species live in sympatry, it appears that they restrict the variability in their sounds. This could comprise evidence of adaptation with character displacement of sonic characteristics where different species co-occur. However, sonic characteristics still overlapped substantially between species, suggesting that females would need to sample more than one sound and potentially use other cues to discriminate between species. [less ▲]

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See detailDébats actuels sur l'immunologie de la prééclampsie. Comptes rendus du sixième colloque international de La Réunion (décembre 2008)
Robillard, P. Y.; Chaouat, G.; Le Bouteiller, P. et al

in Gynécologie Obstétrique & Fertilité (2009), 37(6), 570-8

Hypertensive disorders of pregnancy (HDP) represent globally 10% of human births and their major complication, preeclampsia, 3 to 5%. The etiology of these HDP remains still uncertain, however major ... [more ▼]

Hypertensive disorders of pregnancy (HDP) represent globally 10% of human births and their major complication, preeclampsia, 3 to 5%. The etiology of these HDP remains still uncertain, however major advances have been made these last 25 years. The Sixth International Workshop on Reproductive Immunology, Immunological Tolerance and Immunology of Preeclampsia 2008 celebrated its 10th Anniversary in Reunion-island (French overseas Department in the Indian Ocean). Over this decade, these six workshops have contributed extensively to immunological, epidemiological, anthropological and even vascular debates. The defect of trophoblastic invasion encountered in preeclampsia, intra-uterine growth retardation and to some extend also preterm labour has been understood only at the end of the 1970's. On the other hand, clinical and epidemiological findings at the end of the 20th century permitted to apprehend that “preeclampsia disease of primiparae” may in fact well be the disease of first pregnancies at the level of human couples. Among the important advances, immunology of reproduction is certainly the topic where knowledge has literally exploded in the last decade. This paper relates some major steps in comprehension of this disease and focuses on the interest to follow these immunological works and their new concepts. It seems, at the beginning of the 21st century, that we are possibly closer than ever to understand the etiology of this obstetrical enigma. In this quest, the immunology of reproduction will certainly come out as one of the main players. [less ▲]

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See detailPerivascular cuff and spread of Treponema pallidum.
Quatresooz, Pascale ULiege; Pierard, Gérald ULiege

in Dermatology : International Journal for Clinical & Investigative Dermatology (2009), 219(3), 259-62

BACKGROUND: The incidence of syphilis is on the rise in many cities worldwide. Both the clinical and histopathological changes do not always fulfil the typical diagnostic criteria. Immunohistochemistry is ... [more ▼]

BACKGROUND: The incidence of syphilis is on the rise in many cities worldwide. Both the clinical and histopathological changes do not always fulfil the typical diagnostic criteria. Immunohistochemistry is available to identify and localize Treponema pallidum. Two main patterns of T. pallidum distribution were described in the skin, namely heavy intraepidermal infiltration and scattered pattern inside the lichenoid cell infiltrate. OBJECTIVE: To search for a third pattern consistent with dissemination of the disease. METHODS: Immunohistochemistry using an antispirochete (T. pallidum and Borrelia) antibody was used in all cases of syphilis submitted to our laboratory. In addition, deposits of immunoglobulins and complement indicative of immune complexes were searched for. RESULTS: According to the cases, T. pallidum was disclosed in a combination of three patterns. The previously described epidermal and lichenoid patterns were confirmed, and a third pattern predominating in a perivascular location throughout the dermis was clearly identified in primary syphilis. The microorganisms were abundant in extracellular and intracellular locations, particularly inside endothelial cells. No deposits of immunoglobulins and complement were disclosed. CONCLUSION: The perivascular cuff of T. pallidum throughout the dermis might be representative of the dissemination phase of T. pallidum. [less ▲]

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See detailNeuropsychologie des traumatismes crâniens chez l'enfant
Closset, Annette; Catale, Corinne ULiege; Patricia, Marique

in Poncelet, Martine; Majerus, Steve; Van der Linden, Martial (Eds.) Traité de Neuropsychologie de l'enfant (2009)

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See detailConférences: Les rencontres du CEA en 2008
Van Ruymbeke, Muriel ULiege

Report (2009)

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See detailFull system scramjet simulation
Pecnik, Rene; Terrapon, Vincent ULiege; Ham, Frank et al

in Annual Research Briefs (2009)

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See detailStructure of the East Anatolian Fault at the Hazar Basin, eastern Turkey
Garcia Moreno, David; Hubert, Aurelia ULiege; Moernaut, J et al

in Cahiers du Centre Européen de Géodynamique et de Séismologie (2009), 28

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See detailÉlargissement de la base génétique de la principale espèce de cotonnier cultivé Gossypium hirsutum L. par la création et l’exploitation de lignées monosomiques d’addition
Sarr, D.; Mergeai, Guy ULiege

in Biotechnologie, Agronomie, Société et Environnement = Biotechnology, Agronomy, Society and Environment [=BASE] (2009), 13(1), 187-201

Detailed reference viewed: 29 (5 ULiège)