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https://www.readbyqxmd.com/read/28213544/isolation-and-characterization-of-a-unique-strain-of-rickettsia-parkeri-associated-with-the-hard-tick-dermacentor-parumapertus-neumann-in-the-western-united-states
#1
Christopher D Paddock, Michelle E J Allerdice, Sandor E Karpathy, William L Nicholson, Michael L Levin, Travis C Smith, Tom Becker, Robert J Delph, Robert N Knight, Jana M Ritter, Jeanine H Sanders, Jerome Goddard
In 1953, investigators at the Rocky Mountain Laboratories in Hamilton, Montana, described the isolation of a spotted fever group Rickettsia (SFGR) species from Dermacentor parumapertus collected from black-tailed jackrabbits (Lepus californicus) in northern Nevada. Several decades later, investigators characterized this SFGR by using mouse serotyping methods and determined that it represented a distinct rickettsial serotype, related closely to Rickettsia parkeri; nonetheless, the parumapertus agent was not further characterized or studied...
February 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28208641/temporal-trends-in-satellite-derived-erythemal-uvb-and-implications-for-ambient-sun-exposure-assessment
#2
Marvin Langston, Leslie Dennis, Charles Lynch, Denise Roe, Heidi Brown
Ultraviolet radiation (UVR) has been associated with various health outcomes, including skin cancers, vitamin D insufficiency, and multiple sclerosis. Measurement of UVR has been difficult, traditionally relying on subject recall. We investigated trends in satellite-derived UVB from 1978 to 2014 within the continental United States (US) to inform UVR exposure assessment and determine the potential magnitude of misclassification bias created by ignoring these trends. Monthly UVB data remotely sensed from various NASA satellites were used to investigate changes over time in the United States using linear regression with a harmonic function...
February 10, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28182978/modeling-background-radiation-in-southern-nevada
#3
Daniel A Haber, Pamela C Burnley, Christopher T Adcock, Russell L Malchow, Kara E Marsac, Elisabeth M Hausrath
Aerial gamma ray surveys are an important tool for national security, scientific, and industrial interests in determining locations of both anthropogenic and natural sources of radioactivity. There is a relationship between radioactivity and geology and in the past this relationship has been used to predict geology from an aerial survey. The purpose of this project is to develop a method to predict the radiologic exposure rate of the geologic materials by creating a high resolution background model. The intention is for this method to be used in an emergency response scenario where the background radiation environment is unknown...
February 6, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28159490/chemohormonal-therapy-in-metastatic-hormone-sensitive-prostate-cancer-sweeney-cj-chen-yh-carducci-m-liu-g-jarrard-df-eisenberger-m-wong-yn-hahn-n-kohli-m-cooney-mm-dreicer-r-vogelzang-nj-picus-j-shevrin-d-hussain-m-garcia-ja-dipaola-rs-department-of-medicine
#4
Eggener Scott
BACKGROUND: Androgen deprivation therapy (ADT) has been the backbone of treatment for metastatic prostate cancer since the 1940s. We assessed whether concomitant treatment with ADT plus docetaxel would result in longer overall survival than that with ADT alone. METHODS: We assigned men with metastatic, hormone-sensitive prostate cancer to receive either ADT plus docetaxel (at a dose of 75mg per square meter of body-surface area every 3wk for 6 cycles) or ADT alone...
February 1, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28152736/cancer-depression-and-health-care-coverage-in-the-state-of-nevada-a-retrospective-cross-sectional-study
#5
Manas Agastya, Yaser Dawod, Linha Phan, Mohammad Talha Farooqui, Ji Won Yoo
: 42 Background: The prevalence of depressive disorders in patients with malignancies is estimated at 20-50%, significantly greater than the general population. Existing literature reports a negative impact of depression on both the patient and their families. There is limited information regarding the impact of healthcare coverage on the prevalence of depression in such patients both in the state of Nevada and nationwide. METHODS: A retrospective cross-sectional study was performed using the Behavioral Risk Surveillance System (BRFSS) database from 2010 to 2014...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28150176/health-hazards-in-the-home-an-assessment-of-a-southern-nevada-community
#6
Amanda Sokolowsky, Erika Marquez, Erin Sheehy, Casey Barber, Shawn Gerstenberger
As a sub-grantee of a Department of Housing and Urban Development (HUD) Lead Hazard Control and Healthy Homes Program, the University of Nevada, Las Vegas' Department of Environmental and Occupational Health performed lead and Healthy Homes investigations and collected data regarding conditions in the home environment in Henderson, Nevada. The purpose of this research is to characterize housing conditions in southern Nevada, compare data to census data, and to highlight the health outcomes associated with adverse housing conditions...
February 1, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28135293/molecular-analyses-reveal-unexpected-genetic-structure-in-iberian-ibex-populations
#7
Samer Angelone-Alasaad, Iris Biebach, Jesús M Pérez, Ramón C Soriguer, José E Granados
BACKGROUND: Genetic differentiation in historically connected populations could be the result of genetic drift or adaptation, two processes that imply a need for differing strategies in population management. The aim of our study was to use neutral genetic markers to characterize C. pyrenaica populations genetically and examine results in terms of (i) demographic history, (ii) subspecific classification and (iii) the implications for the management of Iberian ibex. METHODOLOGY/PRINCIPAL FINDINGS: We used 30 neutral microsatellite markers from 333 Iberian ibex to explore genetic diversity in the three main Iberian ibex populations in Spain corresponding to the two persisting subspecies (victoria and hispanica)...
2017: PloS One
https://www.readbyqxmd.com/read/28125576/invasive-cancer-incidence-and-survival-united-states-2013
#8
S Jane Henley, Simple D Singh, Jessica King, Reda J Wilson, Mary Elizabeth O'Neil, A Blythe Ryerson
Although cancer represents many heterogeneous diseases, some cancer types share common risk factors. For example, conclusive evidence links cancer at multiple sites with tobacco use, alcohol use, human papillomavirus (HPV) infection, excess body weight, and physical inactivity (1,2). To monitor changes in cancer incidence and assess progress toward achieving Healthy People 2020 objectives,* CDC analyzed data from the U.S. Cancer Statistics (USCS) data set for 2013, the most recent year for which incidence and survival data are available...
January 27, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28124092/a-word-to-the-wise-advice-for-scientists-engaged-in-collaborative-adaptive-management
#9
Peter Hopkinson, Ann Huber, David S Saah, John J Battles
Collaborative adaptive management is a process for making decisions about the environment in the face of uncertainty and conflict. Scientists have a central role to play in these decisions. However, while scientists are well trained to reduce uncertainty by discovering new knowledge, most lack experience with the means to mitigate conflict in contested situations. To address this gap, we drew from our efforts coordinating a large collaborative adaptive management effort, the Sierra Nevada Adaptive Management Project, to offer advice to our fellow environmental scientists...
January 25, 2017: Environmental Management
https://www.readbyqxmd.com/read/28114852/cyanide-poisoning-of-a-cooper-s-hawk-accipiter-cooperii
#10
J Christian Franson
A Cooper's hawk ( Accipiter cooperii) was found dead in a ditch leading from a heap leach pad at a gold mine in Nevada. Observations at autopsy included an absence of external lesions, traces of subcutaneous and coronary fat, no food in the upper gastrointestinal tract, and no lesions in the viscera. Cyanide concentrations (µg/g ww) were 5.04 in blood, 3.88 in liver, and 1.79 in brain. No bacteria or viruses were isolated from tissues, and brain cholinesterase activity was within the normal range for a Cooper's hawk...
January 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28102652/changing-rural-and-urban-enrollment-in-state-medicaid-programs
#11
Abigail R Barker, Kelsey Huntzberry, Timothy D McBride, Keith J Mueller
Purpose. From October 2013—before implementation of the Affordable Care Act (ACA)—to November 2016, Medicaid enrollment grew by 27 percent. However, very little attention has been paid to date to how changes in Medicaid enrollment vary within states across the rural-urban continuum. This brief reports and analyzes changes in enrollment in metropolitan, micropolitan, and rural (noncore) areas in both expansion states (those that used ACA funding to expand Medicaid coverage) and nonexpansion states (those that did not use ACA funding to expand Medicaid coverage)...
January 2017: Rural Policy Brief
https://www.readbyqxmd.com/read/28091577/identification-of-wood-boring-beetles-cerambycidae-and-buprestidae-intercepted-in-trade-associated-solid-wood-packaging-material-using-dna-barcoding-and-morphology
#12
Yunke Wu, Nevada F Trepanowski, John J Molongoski, Peter F Reagel, Steven W Lingafelter, Hannah Nadel, Scott W Myers, Ann M Ray
Global trade facilitates the inadvertent movement of insect pests and subsequent establishment of populations outside their native ranges. Despite phytosanitary measures, nonnative insects arrive at United States (U.S.) ports of entry as larvae in solid wood packaging material (SWPM). Identification of wood-boring larval insects is important for pest risk analysis and management, but is difficult beyond family level due to highly conserved morphology. Therefore, we integrated DNA barcoding and rearing of larvae to identify wood-boring insects in SWPM...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28081065/notes-from-the-field-pan-resistant-new-delhi-metallo-beta-lactamase-producing-klebsiella-pneumoniae-washoe-county-nevada-2016
#13
Lei Chen, Randall Todd, Julia Kiehlbauch, Maroya Walters, Alexander Kallen
No abstract text is available yet for this article.
January 13, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28040777/genome-report-identification-and-validation-of-antigenic-proteins-from-pajaroellobacter-abortibovis-using-de-novo-genome-sequence-assembly-and-reverse-vaccinology
#14
Bryan T Welly, Michael R Miller, Jeffrey L Stott, Myra T Blanchard, Alma D Islas-Trejo, Sean M O Rourke, Amy E Young, Juan F Medrano, Alison L Van Eenennaam
Epizootic bovine abortion (EBA), or "foothill abortion", is the leading cause of beef cattle abortion in California and has also been reported in Nevada and Oregon. In the 1970's, the soft-shelled tick Ornithodoros coriaceus, or "pajaroello tick", was confirmed as the disease-transmitting vector. In 2005, a novel Deltaproteobacterium was discovered as the etiologic agent of EBA (aoEBA), recently named Pajaroellobacter abortibovis This organism cannot be grown in culture using traditional microbiological techniques; it can only be grown in experimentally-infected severe combined immunodeficient (SCID) mice...
December 30, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28035953/arsenite-as-an-electron-donor-for-anoxygenic-photosynthesis-description-of-three-strains-of-ectothiorhodospira-from-mono-lake-california-and-big-soda-lake-nevada
#15
Shelley Hoeft McCann, Alison Boren, Jaime Hernandez-Maldonado, Brendon Stoneburner, Chad W Saltikov, John F Stolz, Ronald S Oremland
Three novel strains of photosynthetic bacteria from the family Ectothiorhodospiraceae were isolated from soda lakes of the Great Basin Desert, USA by employing arsenite (As(III)) as the sole electron donor in the enrichment/isolation process. Strain PHS-1 was previously isolated from a hot spring in Mono Lake, while strain MLW-1 was obtained from Mono Lake sediment, and strain BSL-9 was isolated from Big Soda Lake. Strains PHS-1, MLW-1, and BSL-9 were all capable of As(III)-dependent growth via anoxygenic photosynthesis and contained homologs of arxA, but displayed different phenotypes...
December 26, 2016: Life
https://www.readbyqxmd.com/read/28033309/marijuana-use-among-10th-grade-students-washington-2014
#16
Anar Shah, Mandy Stahre
Some studies have suggested that long-term, regular use of marijuana starting in adolescence might impair brain development and lower intelligence quotient (1,2). Since 2012, purchase of recreational or retail marijuana has become legal for persons aged ≥21 years in the District of Columbia, Alaska, California, Colorado, Maine, Massachusetts, Nevada, Oregon, and Washington, raising concern about increased marijuana access by youths. The law taxing and regulating recreational or retail marijuana was approved by Washington voters in 2012 and the first retail licenses were issued in July 2014; medical marijuana use has been legal since 1998...
December 30, 2016: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/28032268/a-blend-of-ethanol-and-%C3%AE-pinene-were-highly-attractive-to-native-siricid-woodwasps-siricidae-siricinae-infesting-conifers-of-the-sierra-nevada-and-the-allegheny-mountains
#17
Nadir Erbilgin, Jack D Stein, Robert E Acciavatti, Nancy E Gillette, Sylvia R Mori, Kristi Bischel, Jonathan A Cale, Carline R Carvalho, David L Wood
Woodwasps in Sirex and related genera are well-represented in North American conifer forests, but the chemical ecology of native woodwasps is limited to a few studies demonstrating their attraction to volatile host tree compounds, primarily monoterpene hydrocarbons and monoterpene alcohols. Thus, we systematically investigated woodwasp-host chemical interactions in California's Sierra Nevada and West Virginia's Allegheny Mountains. We first tested common conifer monoterpene hydrocarbons and found that (-)-α-pinene, (+)-3-carene, and (-)-β-pinene were the three most attractive compounds...
December 28, 2016: Journal of Chemical Ecology
https://www.readbyqxmd.com/read/28027793/growth-of-the-maxillary-sinus-in-children-and-adolescents-a-longitudinal-study
#18
S L Smith, P H Buschang, P C Dechow
Maxillary sinus volumetric and surface area data and growth models from longitudinal samples of children and adolescents are presented. Cone-beam radiographic CT scans from two small retrospective longitudinal samples, one from the Baylor College of Dentistry, Dallas, TX (N=17, 12 females, 5 males, 10.9-17.4 years) and one from a group private orthodontic practice in Nevada (N=15, 9 females, 6 males, 6.4-13.4 years) were used to collect maxillary sinus volumes and surface areas from each individual imaged at two times separated by variable intervals...
November 4, 2016: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/28011409/geographic-variation-and-within-individual-correlations-of-physiological-stress-markers-in-a-widespread-reptile-the-common-garter-snake-thamnophis-sirtalis
#19
Eric J Gangloff, Amanda M Sparkman, Kaitlyn G Holden, Caitlyn J Corwin, Madeline Topf, Anne M Bronikowski
Characterizing the baseline and stress-induced hormonal, metabolite, and immune profiles of wild animals is important to assess the impacts of variable environments, including human-induced landscape changes, on organismal health. Additionally, the extent to which these profiles are coordinated across physiological systems within individuals remains an important question in understanding how stressors can differentially affect aspects of an individual's physiology. Here, we present data from wild populations of the common garter snake (Thamnophis sirtalis) on both baseline and stress-induced biomarkers: plasma corticosterone (CORT) concentration, plasma glucose concentration, and whole blood heterophil:lymphocyte ratio...
March 2017: Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology
https://www.readbyqxmd.com/read/28010175/particle-count-and-black-carbon-measurements-at-schools-in-las-vegas-and-in-the-greater-salt-lake-city-area
#20
Steven G Brown, David L Vaughn, Paul T Roberts
: As part of two separate studies aimed to characterize ambient pollutant concentrations at schools in urban areas, we compare black carbon and particle count measurements at Adcock Elementary in Las Vegas, Nevada (April-June 2013), and Hunter High School in the West Valley City area of Greater Salt Lake City, Utah (February 2012). Both schools are in urban environments, but Adcock Elementary is next to the U.S. 95 freeway. Black Carbon (BC) concentrations were 13% higher at Adcock compared to Hunter, while particle count concentrations were 60% higher...
December 23, 2016: Journal of the Air & Waste Management Association
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