Classical hypotheses in lichenology predict pairs of species in which sexual lineages are
ancestral and long-lived evolutionarily and that these give rise to derived, evolutionarily …

Organisms living in polar waters must cope with an extremely stressful environment
dominated by freezing temperatures, high oxygen concentrations and UV radiation. To shed …

The disaccharide sugar trehalose is essential for desiccation resistance in most metazoans
that survive dryness; however, neither trehalose nor the enzymes involved in its metabolism …

The several hundreds of species of bdelloid rotifers are notorious because they represent an
ancient clade comprising only asexual lineages. Moreover, most bdelloid species have the …

Adineta vaga is a bdelloid rotifer, an eutelic animal composed of approximately 1,000
somatic cells and a few germinal cells. This microscopic aquatic organism is characterized …

Résumé Les mares de thermokarst, issues de la fonte du pergélisol, sont très abondantes
dans le Nord et émettent des gaz à effet de serre par leur activité biogéochimique intense …

Chromosome congression during prometaphase culminates with the establishment of a
metaphase plate, a hallmark of mitosis in metazoans. Classical views resulting from more …

Malgré la forte importation de carbone allochtone dans les lacs boréaux du Québec, peu
d'information est disponible concernant les mécanismes qui permettraient à cette matière …