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Doug MacNearney, Karine Pigeon, Gordon Stenhouse, Wiebe Nijland, Nicholas C Coops, Laura Finnegan
Anthropogenic landscape change (i.e., disturbance) is recognized as an important factor in the decline and extirpation of wildlife populations. Understanding and monitoring the relationship between wildlife distribution and disturbance is necessary for effective conservation planning. Many studies consider disturbance as a covariate explaining wildlife behavior. However, we propose that there are several advantages to considering the spatial relationship between disturbance and wildlife directly using utilization distributions (UDs), including objective assessment of the spatially explicit overlap between wildlife and disturbance, and the ability to track trends in this relationship over time...
September 2016: Ecology and Evolution
Mihály Óvári, Miklós Laczi, János Török, Victor G Mihucz, Gyula Záray
The bulk analysis of single feathers of 263 feathers belonging to 238 individuals of a migratory passerine (collared flycatcher, Ficedula albicollis, originating from a breeding population in the Pilis-Visegrád Mountains in Hungary) by inductively coupled plasma sector field mass spectrometry (ICP-SF-MS) for determination of elements after proper dissolution allowed the quantitative determination of 38 elements. Calcium, Mg, Mn, Fe, and Zn were found to have a quantitative determination frequency larger than 80 % and a concentration greater than 100 μg/g...
October 20, 2016: Environmental Science and Pollution Research International
Thaís L Oliveira, Kátia L Bacelo, Rodrigo A Schuch, Fabiana K Seixas, Tiago Collares, Oscar Ed Rodrigues, Josimar Vargas, Rafaella O do Nascimento, Odir A Dellagostin, Daiane D Hartwig
Immunisation with the C-terminal region of leptospiral immunoglobulin-like A protein (LigANI) has shown promising results against leptospirosis. We evaluated the humoral immune response and protection induced by LigANI associated with carboxyl multi-walled carbon nanotubes (COOH-MWCNTs), CpG oligodeoxynucleotides (CpG ODNs), or Alhydrogel. Animals immunised with CpG ODNs were unable to develop a humoral immune response, whereas immunisation with LigANI and COOH-MWCNTs produced a high level of IgG antibodies, similar to that with LigANI and Alhydrogel, but it was not protective...
October 13, 2016: Memórias do Instituto Oswaldo Cruz
Tainã Rapp Py-Daniel, Anderson Kennedy Soares De-Lima, Fabiano Campos Lima, Aline Pic-Taylor, Osmindo Rodrigues Pires Junior, Antonio Sebben
The mouse, chicken, African clawed frog and zebrafish are considered "model organisms" due to their extensive embryological and genetic characterization. However they are far from representative of known diversity, impairing phylogenetic analyses of developmental patterns. Since squamates have historically received limited attention in developmental studies, we here describe the developmental sequence for Tropidurus torquatus, and provide the first post-ovipositional developmental series for the lizard family Tropiduridae...
October 14, 2016: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
Cory T Williams, Kathryn Wilsterman, Victor Zhang, Jeanette Moore, Brian M Barnes, C Loren Buck
The sexes differ in how and when they allocate energy towards reproduction, but how this influences phenotypic plasticity in daily activity patterns is unclear. Here, we use collar-mounted light loggers and triaxial accelerometers to examine factors that affect time spent above ground and overall dynamic body acceleration (ODBA), an index of activity-specific energy expenditure, across the active season of free-living, semi-fossorial arctic ground squirrels (Urocitellus parryii). We found high day-to-day variability in time spent above ground and ODBA with most of the variance explained by environmental conditions known to affect thermal exchange...
September 2016: Royal Society Open Science
Ja K Gu, Luenda E Charles, Claudia C Ma, Michael E Andrew, Desta Fekedulegn, Tara A Hartley, John M Violanti, Cecil M Burchfiel
PURPOSE: Studies describing prevalence and trends of physical activity among workers in the United States are scarce. We aimed to estimate prevalence and trends of "sufficient" leisure-time physical activity (LTPA) during the 2004-2014 time period among U.S. workers. METHODS: Data were collected for U.S. workers in the National Health Interview Survey. LTPA was categorized as sufficiently active (moderate intensity, ≥150 minutes per week), insufficiently active (10-149 minutes per week), and inactive (<10 minutes per week)...
August 28, 2016: Annals of Epidemiology
S Paudyal, F Maunsell, J Richeson, C Risco, A Donovan, P Pinedo
Our objective was to evaluate the effect of season of calving, associated with variable levels of heat stress, on the dynamics of rumination during the prepartum period and early lactation of cows that were healthy or affected by peripartal health disorders. Three weeks before the estimated due date, 210 multiparous Holstein cows at the University of Florida Dairy Unit were affixed with a neck collar containing rumination loggers, providing rumination time (RT) in 2-h periods. One blood sample was collected in a subpopulation of cows (n = 76) at 12 to 48 h postcalving to assess metabolic status by determining serum calcium, nonesterified fatty acid, and β-hydroxybutyrate concentrations...
September 7, 2016: Journal of Dairy Science
Naïma Kasbaoui, Jonathan Cooper, Daniel S Mills, Oliver Burman
Free-roaming cats are exposed to a variety of risks, including involvement in road traffic accidents. One way of mitigating these risks is to contain cats, for example using an electronic boundary fence system that delivers an electric 'correction' via a collar if a cat ignores a warning cue and attempts to cross the boundary. However, concerns have been expressed over the welfare impact of such systems. Our aim was to determine if long-term exposure to an electronic containment system was associated with reduced cat welfare...
2016: PloS One
Elise M N Ferre, Stacey R Rose, Sergio D Rosenzweig, Peter D Burbelo, Kimberly R Romito, Julie E Niemela, Lindsey B Rosen, Timothy J Break, Wenjuan Gu, Sally Hunsberger, Sarah K Browne, Amy P Hsu, Shakuntala Rampertaap, Muthulekha Swamydas, Amanda L Collar, Heidi H Kong, Chyi-Chia Richard Lee, David Chascsa, Thomas Simcox, Angela Pham, Anamaria Bondici, Mukil Natarajan, Joseph Monsale, David E Kleiner, Martha Quezado, Ilias Alevizos, Niki M Moutsopoulos, Lynne Yockey, Cathleen Frein, Ariane Soldatos, Katherine R Calvo, Jennifer Adjemian, Morgan N Similuk, David M Lang, Kelly D Stone, Gulbu Uzel, Jeffrey B Kopp, Rachel J Bishop, Steven M Holland, Kenneth N Olivier, Thomas A Fleisher, Theo Heller, Karen K Winer, Michail S Lionakis
Autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy (APECED) is a rare primary immunodeficiency disorder typically caused by homozygous AIRE mutations. It classically presents with chronic mucocutaneous candidiasis and autoimmunity that primarily targets endocrine tissues; hypoparathyroidism and adrenal insufficiency are most common. Developing any two of these classic triad manifestations establishes the diagnosis. Although widely recognized in Europe, where nonendocrine autoimmune manifestations are uncommon, APECED is less defined in patients from the Western Hemisphere...
August 18, 2016: JCI Insight
Patrick T Schwing, Isabel C Romero, Rebekka A Larson, Bryan J O'Malley, Erika E Fridrik, Ethan A Goddard, Gregg R Brooks, David W Hastings, Brad E Rosenheim, David J Hollander, Guy Grant, Jim Mulhollan
Aquatic sediment core subsampling is commonly performed at cm or half-cm resolution. Depending on the sedimentation rate and depositional environment, this resolution provides records at the annual to decadal scale, at best. An extrusion method, using a calibrated, threaded-rod is presented here, which allows for millimeter-scale subsampling of aquatic sediment cores of varying diameters. Millimeter scale subsampling allows for sub-annual to monthly analysis of the sedimentary record, an order of magnitude higher than typical sampling schemes...
2016: Journal of Visualized Experiments: JoVE
James A Woodman, Scott E Crouter, David R Bassett, Eugene C Fitzhugh, William R Boyer
INTRODUCTION: Increasing use of consumer-based physical activity (PA) monitors necessitates that they are validated against criterion measures. Thus, the purpose of this study was to examine the accuracy of three consumer-based physical activity monitors for estimating energy expenditure and physical activity type during simulated free-living activities. METHODS: Twenty-eight participants (mean ± SD; age, 25.5±3.7 years; BMI, 24.9±2.6 kg/m) completed 11 activities ranging from sedentary behaviors to vigorous intensities...
August 30, 2016: Medicine and Science in Sports and Exercise
D A Maschio, R B Oliveira, M R Santos, C P F Carvalho, H C L Barbosa-Sampaio, C B Collares-Buzato
The Wnt/β-catenin signaling pathway, also known as the canonical Wnt pathway, plays a role in cell proliferation and differentiation in several tissues/organs. It has been recently described in humans a relationship between type 2 diabetes (T2DM) and mutation in the gene encoding the transcription factor TCF7L2 associated to the Wnt/β-catenin pathway. In the present study, we demonstrated that hyperplastic pancreatic islets from prediabetic mice fed a high-fat diet (HFD) for 60 d displayed nuclear translocation of active β-catenin associated with significant increases in protein content and gene expression of β-catenin as well as of cyclins D1, D2 and c-Myc (target genes of the Wnt pathway) but not of Tcf7l2 (the transcription factor)...
September 30, 2016: Biochemical and Biophysical Research Communications
David R Edmunds, Matthew J Kauffman, Brant A Schumaker, Frederick G Lindzey, Walter E Cook, Terry J Kreeger, Ronald G Grogan, Todd E Cornish
Chronic wasting disease (CWD) is an invariably fatal transmissible spongiform encephalopathy of white-tailed deer, mule deer, elk, and moose. Despite a 100% fatality rate, areas of high prevalence, and increasingly expanding geographic endemic areas, little is known about the population-level effects of CWD in deer. To investigate these effects, we tested the null hypothesis that high prevalence CWD did not negatively impact white-tailed deer population sustainability. The specific objectives of the study were to monitor CWD-positive and CWD-negative white-tailed deer in a high-prevalence CWD area longitudinally via radio-telemetry and global positioning system (GPS) collars...
2016: PloS One
Saul A Cuttell, Victor Kiri, Christopher Tyler
CONTEXT: Cooling the torso and neck can improve exercise performance and capacity in a hot environment; however, the proposed mechanisms for the improvements often differ. OBJECTIVE: To directly compare the effects of cooling the neck and torso region using commercially available devices on exercise capacity in a hot environment (temperature = 35°C ± 0.1°C, relative humidity = 50.1% ± 0.7%). DESIGN: Crossover study. SETTING: Laboratory...
July 2016: Journal of Athletic Training
Eric C Conchola, Abbie E Smith-Ryan, Brennan J Thompson, Eric J Sobolewski, Eric D Ryan
BACKGROUND: Physical demands may vary between white collar and blue collar occupations when evaluating specific physiological differences such as one's weight, body mass index and body fat percentage. OBJECTIVE: To explore nutritional, anthropometric, and physical-activity differences between young and middle-aged WC and BC workers. METHODS: Ninety-one male participants aged 19-64 that were either WC and/or BC workers completed a 3-day food recall, modified Baecke Questionnaire, and had their height, weight, body mass index and body fat percentage measured...
September 27, 2016: Work: a Journal of Prevention, Assessment, and Rehabilitation
Marie Vaugoyeau, Frank Adriaensen, Alexandr Artemyev, Jerzy Bańbura, Emilio Barba, Clotilde Biard, Jacques Blondel, Zihad Bouslama, Jean-Charles Bouvier, Jordi Camprodon, Francesco Cecere, Anne Charmantier, Motti Charter, Mariusz Cichoń, Camillo Cusimano, Dorota Czeszczewik, Virginie Demeyrier, Blandine Doligez, Claire Doutrelant, Anna Dubiec, Marcel Eens, Tapio Eeva, Bruno Faivre, Peter N Ferns, Jukka T Forsman, Eduardo García-Del-Rey, Aya Goldshtein, Anne E Goodenough, Andrew G Gosler, Arnaud Grégoire, Lars Gustafsson, Iga Harnist, Ian R Hartley, Philipp Heeb, Shelley A Hinsley, Paul Isenmann, Staffan Jacob, Rimvydas Juškaitis, Erkki Korpimäki, Indrikis Krams, Toni Laaksonen, Marcel M Lambrechts, Bernard Leclercq, Esa Lehikoinen, Olli Loukola, Arne Lundberg, Mark C Mainwaring, Raivo Mänd, Bruno Massa, Tomasz D Mazgajski, Santiago Merino, Cezary Mitrus, Mikko Mönkkönen, Xavier Morin, Ruedi G Nager, Jan-Åke Nilsson, Sven G Nilsson, Ana C Norte, Markku Orell, Philippe Perret, Christopher M Perrins, Carla S Pimentel, Rianne Pinxten, Heinz Richner, Hugo Robles, Seppo Rytkönen, Juan Carlos Senar, Janne T Seppänen, Luis Pascoal da Silva, Tore Slagsvold, Tapio Solonen, Alberto Sorace, Martyn J Stenning, Piotr Tryjanowski, Mikael von Numers, Wieslaw Walankiewicz, Anders Pape Møller
The increase in size of human populations in urban and agricultural areas has resulted in considerable habitat conversion globally. Such anthropogenic areas have specific environmental characteristics, which influence the physiology, life history, and population dynamics of plants and animals. For example, the date of bud burst is advanced in urban compared to nearby natural areas. In some birds, breeding success is determined by synchrony between timing of breeding and peak food abundance. Pertinently, caterpillars are an important food source for the nestlings of many bird species, and their abundance is influenced by environmental factors such as temperature and date of bud burst...
August 2016: Ecology and Evolution
Raimunda Sâmia Nogueira Brilhante, Jonathas Sales de Oliveira, Antônio José de Jesus Evangelista, Rosana Serpa, Aline Lobão da Silva, Felipe Rodrigues Magalhães de Aguiar, Vandbergue Santos Pereira, Débora de Souza Collares Maia Castelo-Branco, Waldemiro Aquino Pereira-Neto, Rossana de Aguiar Cordeiro, José Júlio Costa Sidrim, Marcos Fábio Gadelha Rocha
The aim of this study was to evaluate the in vitro hemolytic activity and biofilm antifungal susceptibility of veterinary and human Candida tropicalis strains, as well as their pathogenesis against Caenorhabditis elegans. Twenty veterinary isolates and 20 human clinical isolates of C. tropicalis were used. The strains were evaluated for their hemolytic activity and biofilm production. Biofilm susceptibility to itraconazole, fluconazole, voriconazole, amphotericin B and caspofungin was assessed using broth microdilution assay...
August 30, 2016: Veterinary Microbiology
Raimunda Sâmia Nogueira Brilhante, Érica Pacheco Caetano, Rita Amanda Chaves de Lima, Francisca Jakelyne de Farias Marques, Débora de Souza Collares Maia Castelo-Branco, Charlline Vládia Silva de Melo, Glaucia Morgana de Melo Guedes, Jonathas Sales de Oliveira, Zoilo Pires de Camargo, José Luciano Bezerra Moreira, André Jalles Monteiro, Tereza de Jesus Pinheiro Gomes Bandeira, Rossana de Aguiar Cordeiro, Marcos Fábio Gadelha Rocha, José Júlio Costa Sidrim
This study aimed to evaluate the in vitro antifungal activity of terpinen-4-ol, tyrosol, and β-lapachone against strains of Coccidioides posadasii in filamentous phase (n=22) and Histoplasma capsulatum in both filamentous (n=40) and yeast phases (n=13), using the broth dilution methods as described by the Clinical and Laboratory Standards Institute, to determine the minimum inhibitory concentration (MIC) and minimum fungicidal concentration (MFC) of these compounds. The mechanisms of action of these compounds were also investigated by analyzing their effect on cell membrane permeability and ergosterol synthesis...
October 2016: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
B Hylton, S Lidder, A Armitage, S James
UNLABELLED: PURPOSE OF THE STUDY The aim of this pilot study was to develop The Eastbourne Miami-J Protocol for care of cervical injuries within the community. Led by orthopaedic senior practitioners, a multidisciplinary approach was developed to provide education and collar care for patients on a weekly basis. MATERIALS AND METHODS A total of 51 patients (17 male and 33 female), mean age 74 years (21 to 95) with CT confirmed cervical injuries during November 2010 and May 2014 followed the Eastbourne Miami-J Protocol...
2016: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
Nicola Ferri, Silvia Marchianò, Gianpaolo Tibolla, Roberta Baetta, Ashish Dhyani, Massimiliano Ruscica, Patrizia Uboldi, Alberico L Catapano, Alberto Corsini
BACKGROUND AND AIMS: Proprotein convertase subtilisin kexin type 9 (PCSK9) induces degradation of the low-density lipoprotein-receptor (LDLR). Smooth muscle cells (SMCs) in human atherosclerotic plaques and cultured SMCs express PCSK9. The present study aimed at defining the role of PCSK9 on vascular response to injury. METHODS: Carotid neointimal lesions were induced by positioning a non-occlusive collar in PCSK9 knock-out (PCSK9(-/-)) and wild type littermate (PCSK9(+/+)) mice...
October 2016: Atherosclerosis
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