Browsing Biological Sciences by Title

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  • Maheshwari, Priti; Kovalchuk, Igor (Frontiers MediaArts and ScienceDepartment of Biological SciencesUniversity of Lethbridge, 2016)
    The present study demonstrates Agrobacterium tumefaciens-mediated stable genetic transformation of two species of poplar – Populus angustifolia and Populus balsamifera. The binary vector pCAMBIA-Npro-long-Luc containing ...
  • Luzhna, Lidiya; Lykkesfeldt, Anne E.; Kovalchuk, Olga (Impact JournalsArts and ScienceDepartment of Biological SciencesUniversity of LethbridgeDanish Cancer Society Research Center, 2015)
    Endocrine therapy agents (the selective estrogen receptor (ER) modulators such as tamoxifen or the selective ER down-regulators such as ICI 182,780) are key treatment regimens for hormone receptor-positive breast cancers. ...
  • Yao, Youli; Robinson, Alexandra M.; Zucchi, Fabiola C. R.; Robbins, Jerrah C.; Babenko, Olena M.; Kovalchuk, Olga; Kovalchuk, Igor; Olson, David M.; Metz, Gerlinde A. S. (BioMed CentralArts and ScienceDepartment of Biological SciencesUniversity of LethbridgeUniversity of Alberta, 2014)
    Abstract Background: Chronic stress is considered to be one of many causes of human preterm birth (PTB), but no direct evidence has yet been provided. Here we show in rats that stress across generations has downstream ...
  • Burg, Theresa M.; Lauff, Randolph F. (Ottawa Field-Naturalists' ClubArts and ScienceDepartment of Biological SciencesUniversity of LethbridgeSt. Francis Xavier UniversityNova Scotia Museum of Natural History, 2012)
    An anomalously large and coloured egg was found within a clutch of the Northern Saw-whet Owl (Aegolius acadicus) in Nova Scotia; all other eggs of the clutch were within the normal size and colour range for the species. ...
  • Rood, Stewart B.; Mahoney, John M. (Lethbridge, AB : University of Lethbridge, 1991Faculty of Arts and ScienceBiological SciencesUniversity of Lethbridge, 1991-02)
    Proceedings of the University of Lethbridge conference, May 4 to 6, 1990.
  • Lone, Abdul G.; Selinger, L. Brent; Uwiera, Richard R. E.; Xu, Yong; Inglis, G. Douglas (Public Library of ScienceArts and ScienceDepartment of Biological SciencesLethbridge Research CentreUniversity of LethbridgeUniversity of Alberta, 2013)
    Background: Campylobacter jejuni causes enterocolitis in humans, but does not incite disease in asymptomatic carrier animals. To survive in the intestine, C. jejuni must successfully compete with the microbiota and overcome ...
  • Zaheer, Rahat; Bony-Dugat, Eric; Holman, Devon; Cousteix, Elodie; Xu, Yong; Munns, Krysty D.; Selinger, Lorna J.; Barbieri, Rutn; Alexander, Trevor W.; McAllister, Tim A.; Selinger, L. Brent (Public Library of ScienceArts and ScienceDepartment of Biological SciencesLethbridge Research and Development CentreUniversité Paris-SaclayUniversity of Lethbridge, 2017)
    Escherichia coli O157:H7 is a foodborne pathogen that colonizes ruminants. Cattle are considered the primary reservoir of E. coli O157:H7 with super-shedders, defined as individuals excreting>104 E. coli O157:H7 CFU g-1 ...
  • Dietze, Michael C.; Vargas, Rodrigo; Richardson, Andrew D.; Stoy, Paul C.; Barr, Alan G.; Anderson, Ryan S.; Arain, M. Altaf; Baker, Ian T.; Black, T. Andrew; Chen, Jing M.; Philippe, Ciais; Flanagan, Larry B.; Gough, Christopher M.; Grant, Robert F.; Hollinger, David Y.; Izaurralde, R. Cesar; Kucharik, Christopher J.; Lafleur, Peter M.; Liu, Shugang; Lokupitiya, Erandathie; Luo, Yiqi; Munger, J. William; Peng, Changhui; Poulter, Benjamin; Price, David T.; Ricciuto, Daniel M.; Riley, William J.; Sahoo, Alok Kumar; Schaefer, Kevin; Suyker, Andrew E.; Tian, Hanqin; Tonitto, Christina; Verbeeck, Hans; Verma, Shashi B.; Wang, Weifeng; Weng, Ensheng (American Geophysical UnionArts and ScienceDepartment of Biological SciencesUniversity of Illinoise at Urbana-ChampaignCentro de Investigacion Cientifica y de Educacion Superior de EnsenadaHarvard UniversityMontana State UniversityAtmospheric Science and Technology DirectorateUniversity of MontanaMcMaster UniversityColorado State UniversityUniversity of British ColumbiaUniversity of TorontoCentre d'Etudes Orme des MerisiersUniversity of LethbridgeVirginia Commonwealth UniversityUniversity of AlbertaU.S. Department of Agriculture Forest ServicePacific Northwest National LaboratoryUniversity of MarylandUniversity of Wisconsin-MadisonTrent UniversityEarth Resources Observation and Science CenterUniversity of OklahomaUniversity of Quebec at MontrealSwiss Federal Research InstituteLaboratoire des Sciences du Climat et de l'EnvironmentCanadian Forest ServiceOak Ridge National LaboratoryLawrence Berkeley National LaboratoryPrinceton UniversityUniversity of Colorado at BoulderUniversity of Nebraska-LincolnAuburn UniversityCornell UniversityGhent University, 2011)
    Ecosystem models are important tools for diagnosing the carbon cycle and projecting its behavior across space and time. Despite the fact that ecosystems respond to drivers at multiple time scales, most assessments of model ...
  • Kochan, David Z.; Kovalchuk, Olga (Impact JournalsArts and ScienceDepartment of Biological SciencesUniversity of Lethbridge, 2015)
    Breast cancer is already the most common malignancy affecting women worldwide, and evidence is mounting that breast cancer induced by circadian disruption (CD) is a warranted concern. Numerous studies have investigated ...
  • Bain, John; Flanagan, June; Kuijt, Job ([Lethbridge, Alta : University of Lethbridge] ; Lethbridge, Alta. : distributed by University of Lethbridge Digital Herbarium, 2014Arts and ScienceDepartment of Biological SciencesUniversity of Lethbridge, 2014)
  • Munns, Krysty D.; Zaheer, Rahat; Xu, Yong; Stanford, Kim; Laing, Chad R.; Gannon, Victor P. J.; Selinger, L. Brent; McAllister, Tim A. (Public Library of ScienceArts and ScienceDepartment of Biological SciencesLethbridge Research CentreUniversity of LethbridgeAgriculture and ForestryPublic Health Agency of Canada, 2016)
    Cattle are the primary reservoir of the foodborne pathogen Escherichia coli O157:H7, with the concentration and frequency of E. coli O157:H7 shedding varying substantially among individual hosts. The term ‘‘super-shedder” ...
  • Wang, Ou; Liang, Guanxiang; McAllister, Tim A.; Plastow, Graham; Stanford, Kim; Selinger, L. Brent; Guan, Le Luo (Public LIbrary of ScienceArts and ScienceDepartment of Biological SciencesUniversity of AlbertaLethbridge Research CentreAlberta Agriculture and ForestryUniversity of Lethbridge, 2016)
    Super-shedder cattle are a major disseminator of E . coli O157:H7 into the environment, and the terminal rectum has been proposed as the primary E . coli O157:H7 colonization site. This study aimed to identify ...
  • Thomas, Dallas K.; Lone, Abdul G.; Selinger, L. Brent; Taboada, Eduardo N.; Uwiera, Richard R.E.; Abbott, D. Wade; Inglis, G. Douglas (Public LIbrary of ScienceArts and ScienceDepartment of Biological SciencesAgriculture and Agri-Food Canada Research CentreUniversity of LethbridgePublic Health Agency of CanadaUniversity of Alberta, 2014)
    Campylobacteriosis incited by C. jejuni is a significant enteric disease of human beings. A person working with two reference strains of C. jejuni National Collection of Type Cultures (NCTC) 11168 developed symptoms ...
  • Laing, Chad R.; Zhang, Yongxiang; Gilmour, Matthew W.; Allen, Vanessa; Johnson, Roger; Thomas, James E.; Gannon, Victor P. J. (Public Library of ScienceArts and ScienceDepartment of Biological SciencesPublic Health Agency of CanadaOntario Agency for Health Protection and PromotionUniversity of Lethbridge, 2012)
    Escherichia coli O104:H4 was associated with a severe foodborne disease outbreak originating in Germany in May 2011. More than 4000 illnesses and 50 deaths were reported. The outbreak strain was a typical enteroaggregative ...
  • Laird, Robert A.; Schamp, Brandon S. (Arts and ScienceDepartment of Biological SciencesUniversity of Lethbridgehttps://doi.org/10.1016/j.jtbi.2014.10.010, 2016-06-14)
    Intransitive competition occurs when competing strategies cannot be listed in a hierarchy, but rather form loops – as in the game Rock-Paper-Scissors. Due to its cyclic competitive replacement, competitive intransitivity ...
  • Adkinson, Angela C.; Syed, Kamran H.; Flanagan, Larry B. (American Geophysical UnionArts and ScienceDepartment of Biological SciencesUniversity of Lethbridge, 2011)
    The large belowground carbon stocks in northern peatland ecosystems are potentially susceptible to release because of the expected differential responses of photosynthesis and respiration to climate change. This study ...
  • Pyle, Gregory; Mirza, Reehan S. (Taylor & FrancisArts and ScienceDepartment of BiologyNipissing UniversityUniversity of Lethbridge, 2007)
    Chemosensation is one of the oldest and most important sensory modalities utilized by aquatic animals to provide information about the location of predators, location of prey, sexual status of potential mates, genetic ...
  • Webb, Andrew L.; Kruczkiewicz, Peter; Selinger, L. Brent; Inglis, G. Douglas; Taboada, Eduardo N. (BioMed CentralArts and ScienceDepartment of Biological SciencesAgriculture and Agri-Food CanadaUniversity of LethbridgePublic Health Agency of Canada, 2015)
    Background Molecular typing methods are critical for epidemiological investigations, facilitating disease outbreak detection and source identification. Study of the epidemiology of the emerging human pathogen Arcobacter ...
  • Zohouri, Mohammad Ali; Pyle, Gregory; Wood, Chris M. (ElsevierArts and ScienceDepartment of BiologyMcMaster UniversityUniversity of Lethbridge, 2001)
    The effects of chronic exposure to waterborne Cd and elevated dietary Ca, alone and in combination, were examined in juvenile rainbow trout, Oncorhynchus mykiss. Fish were chronically exposed to 0.05 Žcontrol. or 2.56 g ...
  • Reti, Kristen L.; Thomas, Matthew C.; Yanke, L. Jay; Selinger, L. Brent; Inglis, G. Douglas (BioMed CentralArts and ScienceDepartment of Biological SciencesAgriculture and Agri-Food Canada Research CentreUniversity of Lethbridge, 2013)
    Background: Antimicrobial growth promoters (AGPs) are antimicrobial agents administered to livestock in feed for prolonged periods to enhance feed efficiency. Beef cattle are primarily finished in confined feeding operations ...