Pheromones are involved in the control of sexual behaviour in birds.
Balthazart, Jacques ;
in Naturwissenschaften (Die) (1979), 66(1), 55-6Detailed reference viewed: 17 (0 ULg)
Les phéromones humaines: vestige animal ou réalité non reconnue
Foidart, Agnès ; Legros, Jean-Jacques ; Balthazart, Jacques
in Revue Médicale de Liège (1994), 49(12), 662-80Detailed reference viewed: 34 (1 ULg)
Pheromones in birds: myth or reality?
; Balthazart, Jacques
in Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural and Behavioral Physiology (2010), 196(10), 751-66
Birds are anosmic or at best microsmatic... This misbelief persisted until very recently and has strongly influenced the outcome of communication studies in birds, with olfaction remaining neglected as ... [more ▼]
Birds are anosmic or at best microsmatic... This misbelief persisted until very recently and has strongly influenced the outcome of communication studies in birds, with olfaction remaining neglected as compared to acoustic and visual channels. However, there is now clear empirical evidence showing that olfaction is perfectly functional in birds and birds use olfactory information in a variety of ethological contexts. Although the existence of pheromones has never been formally demonstrated in this vertebrate class, different groups of birds, such as petrels, auklets and ducks have been shown to produce specific scents that could play a significant role in within-species social interactions. Behavioral experiments have indeed demonstrated that these odors influence the behavior of conspecifics. Additionally, in quail, deprivation of olfactory inputs decreases neuronal activation induced by sexual interactions with a female. It seems therefore well established that birds enjoy a functional sense of smell and a fast growing body of experimental evidence suggests that they use this channel of olfactory communication to control their social life. The unequivocal identification of an avian pheromone is, however, still ahead of us but there are now many exciting opportunities to unravel the behavioral and physiological particularities of chemical communication in birds. [less ▲]Detailed reference viewed: 55 (1 ULg)
PhEVER: a database for the global exploration of virus–host evolutionary relationships
Palmeira, Leonor ; ; et al
in Nucleic Acids Research (2011)
Fast viral adaptation and the implication of this rapid evolution in the emergence of several new infectious diseases have turned this issue into a major challenge for various research domains. Indeed ... [more ▼]
Fast viral adaptation and the implication of this rapid evolution in the emergence of several new infectious diseases have turned this issue into a major challenge for various research domains. Indeed, viruses are involved in the development of a wide range of pathologies and understanding how viruses and host cells interact in the context of adaptation remains an open question. In order to provide insights into the complex interactions between viruses and their host organisms and namely in the acquisition of novel functions through exchanges of genetic material, we developed the PhEVER database. This database aims at providing accurate evolutionary and phylogenetic information to analyse the nature of virus–virus and virus–host lateral gene transfers. PhEVER (http://pbil.univ-lyon1.fr/databases/phever) is a unique database of homologous families both (i) between sequences from different viruses and (ii) between viral sequences and sequences from cellular organisms. PhEVER integrates extensive data from up-to-date completely sequenced genomes (2426 non-redundant viral genomes, 1007 non-redundant prokaryotic genomes, 43 eukaryotic genomes ranging from plants to vertebrates) and offers a clustering of proteins into homologous families containing at least one viral sequences, as well as alignments and phylogenies for each of these families. Public access to PhEVER is available through its webpage and through all dedicated ACNUC retrieval systems. [less ▲]Detailed reference viewed: 93 (50 ULg)
Philippe Corcuff : Où est passée la critique sociale ?
in Revue Française de Science Politique (2012), A paraître
Dans son ouvrage "Ou est passée la critique sociale ?", Philippe Corcuff nous propose un parcours à travers les théories sociologique contemporaines qui abordent la critique. Il propose de ne pas tenter ... [more ▼]
Dans son ouvrage "Ou est passée la critique sociale ?", Philippe Corcuff nous propose un parcours à travers les théories sociologique contemporaines qui abordent la critique. Il propose de ne pas tenter de résoudre les grandes antinomies de la sociologie mais de les laisser "en tention". [less ▲]Detailed reference viewed: 63 (12 ULg)
Philippe de Mézières et son Epistre au roi Richart
in Moyen Age (Le) (2010), 116
In mid-May 1395, Philippe de Mézières writes a Letter to king Richard II of England, an urgent call, which does not belong to the epistolary but to the allegorical and the mirror for princes genre. This ... [more ▼]
In mid-May 1395, Philippe de Mézières writes a Letter to king Richard II of England, an urgent call, which does not belong to the epistolary but to the allegorical and the mirror for princes genre. This letter, revealing a clear similarity of thought between the author and the king of France, Charles VI, to whose education the former contributed, is preserved as a unique manuscript, the Royal 20 B VI, in the British Library. This manuscript turns out to be the one offered to the English monarch and, being addressed to the latter, ended up in the hands of a prince, who was particularly able to appreciate its meaning and all its wit. Although Mézières advocates a reconciliation between the kings of France and England, to be sealed with a marriage between Isabelle de Valois, the former’s oldest daughter and the latter, which was the safest way to achieve his ultimate aim of a reconciliation within the Church and the re-conquest of the Holy Land, what he truly hoped for was the founding of the Order of the Passion of Jesus Christ. [less ▲]Detailed reference viewed: 73 (7 ULg)
Philippeville - Rosée: notice explicative de la carte géologique de la Wallonie
Boulvain, Frédéric ; Marion, Jean-Marc
Book published by Ministère de la Région wallonne, DGRNE (1994)Detailed reference viewed: 65 (10 ULg)
Philologie et Critique Génétique. Enjeux théoriques de l'édition des manuscrits de Saussure"
in Cahiers Ferdinand de Saussure (2011), 64Detailed reference viewed: 10 (0 ULg)
La philologie latine aux prises avec les textes hagiographiques
Philippart de Foy, Caroline
in Litterae Hagiologicae (2001), 7-8 (2001-2002)Detailed reference viewed: 9 (1 ULg)
Philopatry of the Bank swallow (Riparia riparia) in Belgium : analysis of ringing recoveries.
Dardenne, Sophie ; ; et al
Poster (2008)Detailed reference viewed: 6 (0 ULg)
Le philosophe, l'enthousiasme et la révolution. Kant, Fichte et Hegel à propos de 1789
in Cahiers de Clio (1989), 99Detailed reference viewed: 11 (0 ULg)
The philosophical and political commitments of Eugène Catalan
Conference (2014, October 14)
In 1865 the French mathematician Eugène Catalan was appointed professor at the University of Liege. In the nineteenth century the Belgian government developed a policy of attracting famous foreign ... [more ▼]
In 1865 the French mathematician Eugène Catalan was appointed professor at the University of Liege. In the nineteenth century the Belgian government developed a policy of attracting famous foreign scholars, mainly coming from the German principalities and France, in order to bring the education system to a higher level. In this case, however, the appointment had an outspoken political and philosophical dimension. Catalan sought and found refuge in Belgium because his career prospects in France were severely hindered due to his strong republican and anti-Bonapartist viewpoints. In a speech he gave at the University’s Academic Hall on the occasion of his retirement on December 7, 1881, Catalan emphasized he had two passions in life: la Politique militante et les Mathématiques [“Militant Politics and Mathematics”]. In this paper, we will investigate the first of these passions against the background of the revolutionary tensions of the time on the basis of a series of primary sources: first, a brochure edited by Catalan himself at the end of his life, entitled Miettes littéraires et politiques, par un vieux mathématicien (Liège, 1889); second, Catalan’s correspondence, covering several decades, and preserved at the Manuscripts Department of the University of Liège; third, a journal kept by Catalan during the years 1858 to 1862, entitled Journal d’un bourgeois de Paris. An in-depth analysis of these sources will allow us to discover Catalan’s own perception of his political and philosophical commitments, the reasons behind his involvement in the revolutionary uprisings of 1830, 1848 and 1851, the exact nature of his activism, his interpretation of the republican ideal, his political hopes and deceptions, his view on both French and European social and political realities, his struggle with the Catholic Church, the meaning of his engagement in Freemasonry. [less ▲]Detailed reference viewed: 16 (0 ULg)