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https://www.readbyqxmd.com/read/29607026/the-effects-of-allospecific-mitochondrial-genome-on-the-fitness-of-northern-redbelly-dace-chrosomus-eos
#1
Bernard Angers, Christelle Leung, Romain Vétil, Léo Deremiens, Roland Vergilino
Instantaneous mitochondrial introgression events allow the disentangling of the effects of hybridization from those of allospecific mtDNA. Such process frequently occurred in the fish Chrosomus eos , resulting in cybrid individuals composed of a C. eos nuclear genome but with a C. neogaeus mtDNA. This provides a valuable model to address the fundamental question: How well do introgressed individuals perform in their native environment? We infer where de novo production of cybrids occurred to discriminate native environments from those colonized by cybrids in 25 sites from two regions (West-Qc and East-Qc) in Quebec (Canada)...
March 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29426597/determinants-of-tuberculosis-trends-in-six-indigenous-populations-of-the-usa-canada-and-greenland-from-1960-to-2014-a-population-based-study
#2
Kianoush Dehghani, Zhiyi Lan, Peizhi Li, Sascha Wilk Michelsen, Sean Waites, Andrea Benedetti, Pierre Lejeune, Jill Torrie, Elizabeth Robinson, Berenica Vejvoda, Muhammad Mullah, Diana Redwood, Michael Cooper, Anne Fanning, Wadieh Yacoub, Gonzalo G Alvarez, Bolette Søborg, Richard Long, Dick Menzies
BACKGROUND: Tuberculosis continues to disproportionately affect many Indigenous populations in the USA, Canada, and Greenland. We aimed to investigate whether population-based tuberculosis-specific interventions or changes in general health and socioeconomic indicators, or a combination of these factors, were associated with changes in tuberculosis incidence in these Indigenous populations. METHODS: For this population-based study we examined annual tuberculosis notification rates between 1960 and 2014 in six Indigenous populations of the USA, Canada, and Greenland (Inuit [Greenland], American Indian and Alaska Native [Alaska, USA], First Nations [Alberta, Canada], Cree of Eeyou Istchee [Quebec, Canada], Inuit of Nunavik [Quebec, Canada], and Inuit of Nunavut [Canada]), as well as the general population of Canada...
February 6, 2018: Lancet. Public Health
https://www.readbyqxmd.com/read/29316862/-we-ve-been-here-for-2-000-years-white-settlers-native-american-dna-and-the-phenomenon-of-indigenization
#3
Darryl Leroux
Relying on a populace well-educated in family history based in ancestral genealogy, a robust national genomics sector has developed in Québec over the past decade-and-a-half. The same period roughly coincides with a fourfold increase in the number of individuals and organizations in the region self-identifying with a mixed-race form of indigeneity that is counter to existing Indigenous understandings of kinship and citizenship. This paper examines how recent efforts by genetic scientists, working on a multi-year research project on the 'diversity' of the Québec gene pool, intervene in complex settler-Indigenous relations by redefining indigeneity according to the logics of 'Native American DNA'...
February 2018: Social Studies of Science
https://www.readbyqxmd.com/read/28793151/normative-study-of-the-functional-assessment-of-verbal-reasoning-and-executive-strategies-favres-test-in-the-french-canadian-population
#4
Karine Marcotte, Marie-Pier McSween, Monica Pouliot, Sarah Martineau, Anne-Marie Pauzé, Catherine Wiseman-Hakes, Sheila MacDonald
Purpose: The Functional Assessment of Verbal Reasoning and Executive Strategies (FAVRES; MacDonald, 2005) test was designed for use by speech-language pathologists to assess verbal reasoning, complex comprehension, discourse, and executive skills during performance on a set of challenging and ecologically valid functional tasks. A recent French version of this test was translated from English; however, it had not undergone standardization. The development of normative data that are linguistically and culturally sensitive to the target population is of importance...
August 16, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28653746/discovery-of-the-oldest-record-of-nitellopsis-obtusa-charophyceae-charophyta-in-north-america
#5
Kenneth G Karol, Robin S Sleith
Studies of the colonization and spread of invasive species improves our understanding of key concepts in population biology as well as informs control and prevention efforts. The characean green alga Nitellopsis obtusa (starry stonewort) is rare in its native Eurasian range but listed by the United States Geological Survey (USGS) as an aggressive invasive in North America. First documented in North America in 1978 from New York, United States, it has since been reported from numerous inland lakes from Minnesota to Vermont, and from Lake Ontario and inland lakes in southern Ontario, Canada...
June 27, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28452407/individual-social-and-family-factors-associated-with-high-school-dropout-among-low-ses-youth-differential-effects-as-a-function-of-immigrant-status
#6
Isabelle Archambault, Michel Janosz, Véronique Dupéré, Marie-Christine Brault, Marie Mc Andrew
BACKGROUND: In most Western countries, the individual, social, and family characteristics associated with students' dropout in the general population are well documented. Yet, there is a lack of large-scale studies to establish whether these characteristics have the same influence for students with an immigrant background. AIMS: The first aim of this study was to assess the differences between first-, second-, and third-generation-plus students in terms of the individual, social, and family factors associated with school dropout...
April 28, 2017: British Journal of Educational Psychology
https://www.readbyqxmd.com/read/28228101/chemical-composition-and-anti-herpes-simplex-virus-type-1-hsv-1-activity-of-extracts-from-cornus-canadensis
#7
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
https://www.readbyqxmd.com/read/27909663/the-quebec-city-slider-a-technique-for-capsular-closure-and-plication-in-hip-arthroscopy
#8
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
https://www.readbyqxmd.com/read/27837569/syllabo-a-new-tool-to-study-sublexical-phenomena-in-spoken-quebec-french
#9
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...
October 2017: Behavior Research Methods
https://www.readbyqxmd.com/read/27773798/larix-laricina-bark-a-traditional-medicine-used-by-the-cree-of-eeyou-istchee-antioxidant-constituents-and-in-vitro-permeability-across-caco-2-cell-monolayers
#10
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
https://www.readbyqxmd.com/read/27235144/on-the-history-of-cultural-psychiatry-georges-devereux-henri-ellenberger-and-the-psychological-treatment-of-native-americans-in-the-1950s
#11
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
https://www.readbyqxmd.com/read/26954465/can-high-overall-human-papillomavirus-vaccination-coverage-hide-sociodemographic-inequalities-an-ecological-analysis-in-canada
#12
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
https://www.readbyqxmd.com/read/26641331/bluejoint-is-an-effective-bio-barrier-species-on-mine-covers
#13
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
https://www.readbyqxmd.com/read/26594828/home-based-screening-for-biliary-atresia-using-infant-stool-color-cards-in-canada-quebec-feasibility-study
#14
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
https://www.readbyqxmd.com/read/25829852/review-of-canadian-species-of-the-genus-mocyta-mulsant-rey-coleoptera-staphylinidae-aleocharinae-with-the-description-of-a-new-species-and-a-new-synonymy
#15
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
https://www.readbyqxmd.com/read/25026677/pollen-loads-and-specificity-of-native-pollinators-of-lowbush-blueberry
#16
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
https://www.readbyqxmd.com/read/24963382/fitness-dynamics-within-a-poplar-hybrid-zone-ii-impact-of-exotic-sex-on-native-poplars-in-an-urban-jungle
#17
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
https://www.readbyqxmd.com/read/24549235/screening-microalgae-native-to-quebec-for-wastewater-treatment-and-biodiesel-production
#18
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
https://www.readbyqxmd.com/read/24498960/normative-data-for-a-computer-assisted-version-of-the-auditory-three-consonant-brown-peterson-paradigm-in-the-elderly-french-quebec-population
#19
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
https://www.readbyqxmd.com/read/24498749/evaluation-of-tolerance-to-bacillus-thuringiensis-toxins-among-laboratory-reared-western-bean-cutworm-lepidoptera-noctuidae
#20
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
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