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quebec native

Serge Lavoie, Isabelle Côté, André Pichette, Charles Gauthier, Michaël Ouellet, Francine Nagau-Lavoie, Vakhtang Mshvildadze, Jean Legault
BACKGROUND: Many plants of boreal forest of Quebec have been used by Native Americans to treat a variety of microbial infections. However, the antiviral activities of these plants have been seldom evaluated on cellular models to validate their in vitro efficiencies. In this study, Cornus canadensis L. (Cornaceae), a plant used in Native American traditional medicine to treat possible antiviral infections, has been selected for further examination. METHODS: The plant was extracted by decoction and infusion with water, water/ethanol 1:1 and ethanol to obtain extracts similar to those used by Native Americans...
February 22, 2017: BMC Complementary and Alternative Medicine
Travis J Menge, Jorge Chahla, Eduardo Soares, Justin J Mitchell, Marc J Philippon
Biomechanical and clinical studies have shown that the hip joint capsule plays an important role in maintaining stability and hip mechanics, including rotation and translation. The recent literature has shown that capsule closure after hip arthroscopy helps to restore stability. Without restoration of the native anatomy, the hip joint may translate when patients engage in activities that place force across the hip, leading to either microinstability or frank dislocation. The purpose of this note is to describe our preferred technique of capsular closure or plication during hip arthroscopy...
October 2016: Arthroscopy Techniques
Pascale Bédard, Anne-Marie Audet, Patrick Drouin, Johanna-Pascale Roy, Julie Rivard, Pascale Tremblay
Sublexical phonotactic regularities in language have a major impact on language development, as well as on speech processing and production throughout the entire lifespan. To understand the impact of phonotactic regularities on speech and language functions at the behavioral and neural levels, it is essential to have access to oral language corpora to study these complex phenomena in different languages. Yet, probably because of their complexity, oral language corpora remain less common than written language corpora...
November 11, 2016: Behavior Research Methods
Yi Yong, Ammar Saleem, José A Guerrero-Analco, Pierre S Haddad, Alain Cuerrier, John T Arnason, Cory S Harris, Tim Johns
ETHNOPHARMACOLOGICAL RELEVANCE: Larix laricina, a native tree of North America, is a highly respected medicinal plant used for generations by Indigenous Peoples across its range, including the Cree of northern Québec who use the bark to treat symptoms of diabetes. This study investigates the antioxidant capacity and bioavailability of active constituents identified in L. laricina bark extracts. MATERIALS AND METHODS: (1) Oxygen radical absorbance capacity (ORAC) assay was employed to test antioxidant capacity of organic extracts (80% ethanol) from bark of L...
December 24, 2016: Journal of Ethnopharmacology
Emmanuel Delille
Henri Ellenberger (1905-1993) wrote the first French-language synthesis of transcultural psychiatry ("Ethno-psychiatrie") for the French Encyclopédie Médico-Chirurgicale in 1965. His work casts new light on the early development of transcultural psychiatry in relation to scientific communities and networks, particularly on the role of Georges Devereux (1908-1985). The Ellenberger archives offer the possibility of comparing published texts with archival ones to create a more nuanced account of the history of transcultural psychiatry, and notably of the psychological treatment of Native Americans...
June 2016: Transcultural Psychiatry
Melanie Drolet, Shelley L Deeks, Erich Kliewer, Grace Musto, Pascal Lambert, Marc Brisson
BACKGROUND: Human papillomavirus (HPV) vaccination programs have been implemented in more than 50 countries. These programs offer tremendous promise of reducing HPV-related disease burden. However, failure to achieve high coverage among high-risk groups may mitigate program success and increase inequalities. We examined sociodemographic inequalities in HPV vaccination coverage in 4 Canadian provinces (Quebec (QC), Ontario (ON), Manitoba (MB), British Columbia (BC)). METHODS: We obtained annual HPV vaccination coverage of pre-adolescent girls at provincial and regional levels, from the start of programs to 2012/2013...
April 7, 2016: Vaccine
Galina Kamorina, Francine Tremblay, Bruno Bussière, Evgeniya Smirnova, Nelson Thiffault
Covers with capillary barrier effects (CCBE) are used to prevent acid mine drainage from mine wastes in the short term. However, the long-term efficiency of CCBE can be affected by trees because their roots may reduce the ability of covers to limit oxygen migration and also physically damage the CCBE. Two plant species that are native to boreal Canada, bluejoint () and sheep laurel (, were selected as bio-barrier species (BBS) to test if they reduce the growth and root system architecture of trees established on mine covers (balsam poplar [], willow [ spp], and black spruce [])...
November 2015: Journal of Environmental Quality
Véronique Morinville, Najma Ahmed, Cindy Ibberson, Lajos Kovacs, Janusz Kaczorowski, Stirling Bryan, Jean-Paul Collet, Richard Schreiber
OBJECTIVES: Biliary atresia (BA) is a leading cause of liver failure and liver transplantation in pediatrics. BA manifests by 3 weeks of life with jaundice and pale stools. Delayed diagnosis and surgical intervention with Kasai portoenterostomy after 3 months of age is significantly associated with poor prognosis for native liver survival. A national Taiwan infant stool color card (SCC) screening program has entirely eliminated late Kasai portoenterostomy >90 days of age and improved native liver survival...
April 2016: Journal of Pediatric Gastroenterology and Nutrition
Jan Klimaszewski, Reginald P Webster, Caroline Bourdon, Georges Pelletier, Benoit Godin, David W Langor
Six species of the genus Mocyta Mulsant & Rey are reported from Canada: Mocytaamblystegii (Brundin), Mocytabreviuscula (Mäklin), Mocytadiscreta (Casey), Mocytafungi (Gravenhorst), Mocytaluteola (Erichson), and Mocytasphagnorum Klimaszewski & Webster, sp. n. New provincial and state records include: Mocytabreviuscula - Saskatchewan and Oregon; Mocytadiscreta - Quebec, Ontario and Saskatchewan; Mocytaluteola - New Brunswick, Quebec, Ontario, Massachusetts and Minnesota; and Mocytafungi - Saskatchewan. Mocytasphagnorum is described from eastern Canada from specimens captured in Newfoundland, New Brunswick, Quebec and Ontario...
2015: ZooKeys
J Moisan-Deserres, M Girard, M Chagnon, V Fournier
The reproduction of lowbush blueberry (Vaccinium angustifolium Aiton) is closely tied to insect pollination, owing to self-incompatibility. Many species are known to have greater pollination efficiency than the introduced Apis mellifera L., commonly used for commercial purposes. In this study, we measured the pollen loads of several antophilous insect species, mostly Apoidea and Syrphidae, present in four lowbush blueberry fields in Lac-St-Jean, Québec. To measure pollen loads and species specificity toward V...
June 2014: Journal of Economic Entomology
Amanda D Roe, Chris Jk MacQuarrie, Marie-Claude Gros-Louis, J Dale Simpson, Josyanne Lamarche, Tannis Beardmore, Stacey L Thompson, Philippe Tanguay, Nathalie Isabel
Trees bearing novel or exotic gene components are poised to contribute to the bioeconomy for a variety of purposes such as bioenergy production, phytoremediation, and carbon sequestration within the forestry sector, but sustainable release of trees with novel traits in large-scale plantations requires the quantification of risks posed to native tree populations. Over the last century, exotic hybrid poplars produced through artificial crosses were planted throughout eastern Canada as ornamentals or windbreaks and these exotics provide a proxy by which to examine the fitness of exotic poplar traits within the natural environment to assess risk of exotic gene escape, establishment, and spread into native gene pools...
May 2014: Ecology and Evolution
Ahmed E M Abdelaziz, Gustavo B Leite, Mohamed A Belhaj, Patrick C Hallenbeck
Biodiesel production from microalgae lipids is being considered as a potential source of renewable energy. However, practical production processes will probably require the use of local strains adapted to prevailing climatic conditions. This report describes the isolation of 100 microalgal strains from freshwater lakes and rivers located in the vicinity of Montreal, Quebec, Canada. Strains were identified and surveyed for their growth on secondary effluent from a municipal wastewater treatment plant (La Prairie, QC, Canada) using a simple and high throughput microalgal screening method employing 12 well plates...
April 2014: Bioresource Technology
Brandy L Callahan, Sylvie Belleville, Guylaine Ferland, Olivier Potvin, Marie-Pier Tremblay, Carol Hudon, Joël Macoir
The Brown-Peterson task is used to assess verbal short-term memory as well as divided attention. In its auditory three-consonant version, trigrams are presented to participants who must recall the items in correct order after variable delays, during which an interference task is performed. The present study aimed to establish normative data for this test in the elderly French-Quebec population based on cross-sectional data from a retrospective, multi-center convenience sample. A total of 595 elderly native French-speakers from the province of Quebec performed the Memoria version of the auditory three-consonant Brown-Peterson test...
2014: Clinical Neuropsychologist
Jeanette M Dyer, Thomas W Sappington, Brad S Coates
The western bean cutworm, Striacosta albicosta (Smith) (Lepidoptera: Noctuidae), is a destructive insect pest of dry beans and corn within its native range of western Nebraska and eastern Colorado. However, since the initiation of an eastward range expansion of S. albicosta in the late 1990s, economic damage has been observed in the Midwest, and the species has now reached the Atlantic Coast and Quebec. Economic damage to corn occurs by larval feeding on ears, which is not controlled by commercial transgenic hybrids that express Bacillus thuringiensis (Bt) Cry1Ab, but partial control is observed by corn varieties that express Cry1 F toxins...
December 2013: Journal of Economic Entomology
Ahmed Elsayed Mohamed Abdelaziz, Dipankar Ghosh, Patrick C Hallenbeck
Microalgae are being investigated as potential candidates for biodiesel production since they can be grown without competition with food production, have an inherently fast growth rate, and can have a high lipid content under different nutrient limiting conditions. However, large scale production will best be carried out with indigenous strains, well adapted to local conditions. This study reports on the characterization of the novel microalga Chlorella sp. PCH90, isolated in Quebec. Its molecular phylogeny was established and lipid production studies as a function of the initial concentrations of nitrate, phosphate, and sodium chloride were carried out using response surface methodology...
March 2014: Bioresource Technology
Y Audet-Delage, N Ouellet, R Dallaire, E Dewailly, P Ayotte
The Inuit population of Nunavik (Northern Quebec, Canada) is highly exposed to persistent organic pollutants (POPs) through their traditional diet. Some POPs, i.e., hydroxylated metabolites of polychlorinated biphenyls (OH-PCBs), pentachlorophenol (PCP), and perfluorooctane sulfonate (PFOS), compete with thyroxin (T4) for binding sites on transthyretin (TTR), a T4 transport protein found in plasma and cerebrospinal fluid. We tested the hypothesis that these TTR-binding compounds decrease circulating concentrations of T4 bound to TTR (T4-TTR) in Inuit women of reproductive age...
November 19, 2013: Environmental Science & Technology
Kathleen Boothroyd-Roberts, Daniel Gagnon, Benoit Truax
Plantations of fast-growing tree species may be of use in conservation by accelerating the restoration of forest habitat on abandoned farmland and increasing connectivity in fragmented landscapes. The objective of this study was to determine if hybrid poplar plantations can be suitable habitats for the reintroduction of native forest plant species and, if so, which abiotic factors predict successful reintroduction. Four species of forest herb species (Trillium grandiflorum, Sanguinaria canadensis, Maianthemum racemosum, Asarum canadense), of which three have legal conservation status, were transplanted into experimental plantations of two hybrid poplar clones and nearby second-growth woodlots at six sites in southern Quebec, Canada...
2013: SpringerPlus
Alison M Trude, Annie Tremblay, Sarah Brown-Schmidt
Although foreign accents can be highly dissimilar to native speech, existing research suggests that listeners readily adapt to foreign accents after minimal exposure. However, listeners often report difficulty understanding non-native accents, and the time-course and specificity of adaptation remain unclear. Across five experiments, we examined whether listeners could use a newly learned feature of a foreign accent to eliminate lexical competitors during online speech perception. Participants heard the speech of a native English speaker and a native speaker of Québec French who, in English, pronounces /i/ as [i] (e...
October 1, 2013: Journal of Memory and Language
Claudia Moreau, Jean-François Lefebvre, Michèle Jomphe, Claude Bhérer, Andres Ruiz-Linares, Hélène Vézina, Marie-Hélène Roy-Gagnon, Damian Labuda
For years, studies of founder populations and genetic isolates represented the mainstream of genetic mapping in the effort to target genetic defects causing Mendelian disorders. The genetic homogeneity of such populations as well as relatively homogeneous environmental exposures were also seen as primary advantages in studies of genetic susceptibility loci that underlie complex diseases. European colonization of the St-Lawrence Valley by a small number of settlers, mainly from France, resulted in a founder effect reflected by the appearance of a number of population-specific disease-causing mutations in Quebec...
2013: PloS One
Annie Christine Boucher, Benjamin Mimee, Josselin Montarry, Sylvie Bardou-Valette, Guy Bélair, Peter Moffett, Eric Grenier
The golden cyst nematode (Globodera rostochiensis), native to South America, has been introduced in many parts of the world, including Europe and North America. Recently, it was found for the first time in the province of Quebec, Canada in the locality of St. Amable near Montreal. To date, very few studies have examined the population genetics of this pest. Consequently, there is a lack of knowledge about the genetic structure and evolution of this nematode. In this study, twelve new microsatellite markers were developed in order to explore these questions...
October 2013: Molecular Phylogenetics and Evolution
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