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https://www.readbyqxmd.com/read/29453264/bacterial-community-shift-and-coexisting-coexcluding-patterns-revealed-by-network-analysis-in-a-bioreduced-uranium-contaminated-site-after-reoxidation
#1
Bing Li, Wei-Min Wu, David B Watson, Erick Cardenas, Yuanqing Chao, D H Phillips, Tonia Mehlhorn, Kenneth Lowe, Shelly D Kelly, Pengsong Li, Huchun Tao, James M Tiedje, Craig S Criddle, Tong Zhang
A site in Oak Ridge, Tennessee, USA, has sediments that contain >3% iron oxides and is contaminated with uranium (U). The U(VI) was bioreduced to U(IV) and immobilized in situ through intermittent injections of ethanol. Then it was allowed to reoxidize via the invasion of low-pH (3.6-4.0), high-nitrate (up to 200 mM) groundwater back into the reduced zone for 1,383 days. To examine the biogeochemical response, high-throughput sequencing and network analysis were applied to characterize bacterial population shifts, as well as co-occurrence and co-exclusion patterns among microbial communities...
February 16, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29446661/stigma-and-spiritual-well-being-among-people-living-with-hiv-aids-in-southern-appalachia
#2
Sadie P Hutson, Caroline K Darlington, Joanne M Hall, R Eric Heidel, Susan Gaskins
The Appalachian South is disproportionately affected by HIV/AIDS. Partly due to the negative connotation that this disease carries in religiously conservative areas, HIV-related stigma remains a critical barrier to HIV care in the South. However, spirituality is a well-documented, effective coping mechanism among persons living with HIV/AIDS (PLWH). The purpose of this study was to examine the relationship between HIV-related stigma and spiritual well-being among a sample of PLWH (n = 216) in Appalachian counties of Tennessee and Alabama using the HIV Stigma Scale and the Spiritual Well-being Scale...
February 15, 2018: Issues in Mental Health Nursing
https://www.readbyqxmd.com/read/29435555/opioid-analgesic-use-and-risk-for-invasive-pneumococcal-diseases-a-nested-case-control-study
#3
Andrew D Wiese, Marie R Griffin, William Schaffner, C Michael Stein, Robert A Greevy, Edward F Mitchel, Carlos G Grijalva
Background: Although certain opioid analgesics have immunosuppressive properties and increase the risk for infections in animals, the clinical effects of prescription opioid use on infection risk among humans are unknown. Objective: To test the hypothesis that prescription opioid use is an independent risk factor for invasive pneumococcal disease (IPD). Design: Nested case-control study. Setting: Tennessee Medicaid database linked to Medicare and Active Bacterial Core surveillance system databases (1995 to 2014)...
February 13, 2018: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29433218/application-of-high-throughput-pyrosequencing-in-the-analysis-of-microbiota-of-food-commodities-procured-from-small-and-large-retail-outlets-in-a-u-s-metropolitan-area-a-pilot-study
#4
Daleniece Higgins, Chandan Pal, Irshad M Sulaiman, Chunrong Jia, Tyler Zerwekh, Scot E Dowd, Pratik Banerjee
With the advent of high-throughput sequencing technologies, it is possible to comprehensively analyze the microbial community of foods without culturing them in the laboratory. The estimation of all microbes inhabiting a food commodity (food microbiota) therefore may shed light on the microbial quality and safety of foods. In this study, we utilized high-throughput pyrosequencing of 16S rRNA genes as well as traditional microbiological methods to evaluate the bacterial diversity and the predicted metabolic pathways associated with the bacterial communities of selected foods (romaine lettuce, cabbage, deli meat, and chicken legs, total 200 samples) procured from small and large retail outlets located in Memphis-Shelby County, Tennessee, USA...
March 2018: Food Research International
https://www.readbyqxmd.com/read/29432705/lay-patient-navigators-perspectives-of-barriers-facilitators-and-training-needs-in-initiating-advance-care-planning-conversations-with-older-patients-with-cancer
#5
Soumya J Niranjan, Chao-Hui S Huang, J Nicholas Dionne-Odom, Karina I Halilova, Maria Pisu, Patricia Drentea, Elizabeth A Kvale, Kerri S Bevis, Thomas W Butler, Edward E Partridge, Gabrielle B Rocque
CONTEXT: Respecting Choices is an evidence-based model of facilitating advance care planning (ACP) conversations between health-care professionals and patients. However, the effectiveness of whether lay patient navigators can successfully initiate Respecting Choices ACP conversations is unknown. As part of a large demonstration project (Patient Care Connect [PCC]), a cohort of lay patient navigators underwent Respecting Choices training and were tasked to initiate ACP conversations with Medicare beneficiaries diagnosed with cancer...
January 1, 2018: Journal of Palliative Care
https://www.readbyqxmd.com/read/29430859/rabies-risk-and-use-of-post-exposure-prophylaxis-associated-with-dog-bites-in-tennessee
#6
H Henderson, L R Carpenter, J R Dunn
The canine variant of the rabies virus has been eliminated in the United States. Among the public and many healthcare providers, however, dog bites are still associated with risk for rabies transmission. This study examined the risk of rabies in biting dogs and the use of rabies post-exposure prophylaxis (rPEP) for dog bite victims in Tennessee. The study included a retrospective analysis of laboratory testing requisitions for dogs from 2002 to 2016, collection of clinical data on confirmed rabies-positive dogs from 2008 to 2016 and analysis of hospital discharge data for rPEP from 2007 to 2014...
February 12, 2018: Zoonoses and Public Health
https://www.readbyqxmd.com/read/29429421/epidemiology-and-risk-factors-for-hepatitis-c-virus-infection-in-a-high-prevalence-population
#7
M A Fill, L A Sizemore, M Rickles, K C Cooper, C M Buecker, H L Mullins, M G Hofmeister, W E Abara, M A Foster, A K Asher, W Schaffner, J R Dunn, T F Jones, C Wester
To understand increasing rates of hepatitis C virus (HCV) infection in Tennessee, we conducted testing, risk factor analysis and a nested case-control study among persons who use drugs. During June-October 2016, HCV testing with risk factor assessment was conducted in sexually transmitted disease clinics, family planning clinics and an addiction treatment facility in eastern Tennessee; data were analysed by using multivariable logistic regression. A nested case-control study was conducted to assess drug-using risks and behaviours among persons who reported intranasal or injection drug use (IDU)...
February 12, 2018: Epidemiology and Infection
https://www.readbyqxmd.com/read/29422910/population-genetic-structure-in-glyphosate-resistant-and-susceptible-palmer-amaranth-amaranthus-palmeri-populations-using-genotyping-by-sequencing-gbs
#8
Anita Küpper, Harish K Manmathan, Darci Giacomini, Eric L Patterson, William B McCloskey, Todd A Gaines
Palmer amaranth (Amaranthus palmeri) is a major weed in United States cotton and soybean production systems. Originally native to the Southwest, the species has spread throughout the country. In 2004 a population of A. palmeri was identified with resistance to glyphosate, a herbicide heavily relied on in modern no-tillage and transgenic glyphosate-resistant (GR) crop systems. This project aims to determine the degree of genetic relatedness among eight different populations of GR and glyphosate-susceptible (GS) A...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29394099/antimicrobial-resistance-of-staphylococcus-aureus-isolates-from-dairy-cows-and-genetic-diversity-of-resistant-isolates
#9
Reta Duguma Abdi, Barbara Erin Gillespie, Jacqueline Vaughn, Caitlin Merrill, Susan Ivory Headrick, Desta Beyene Ensermu, Doris Helen D'Souza, Getahun Ejeta Agga, Raul Antonio Almeida, Stephen Paul Oliver, Oudessa Kerro Dego
Staphylococcus aureus is a frequent and major contagious mastitis bacterial pathogen. The antibiotic treatment cure rates vary considerably from 4% to 92%. Staphylococcus aureus readily becomes resistant to antibiotics, resulting in persistent noncurable intramammary infection that usually results in culling of infected animals. Because of its notorious ability to acquire resistance to the commonly used as well as last resort antimicrobials such as methicillin and vancomycin and the development of multidrug-resistant strains, antimicrobial resistance (AMR) in S...
February 2, 2018: Foodborne Pathogens and Disease
https://www.readbyqxmd.com/read/29393924/outbreak-of-seoul-virus-among-rats-and-rat-owners-united-states-and-canada-2017
#10
Janna L Kerins, Sarah E Koske, James Kazmierczak, Connie Austin, Karen Gowdy, Antonia Dibernardo
In December 2016, the Wisconsin Department of Health Services (WDHS) notified CDC of a patient hospitalized with fever, leukopenia, elevated transaminases, and proteinuria. The patient owned and operated an in-home rattery, or rat-breeding facility, with approximately 100 Norway rats, primarily bred as pets. A family member developed similar symptoms 4 weeks later, but was not hospitalized. Because both patients were known to have rodent contact, they were tested for hantavirus infections. In January 2017, CDC confirmed recent, acute Seoul virus infection in both patients...
February 2, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29388465/understanding-the-impact-of-fibromyalgia-on-men-findings-from-a-nationwide-survey
#11
Daenuka Muraleetharan, Ana Fadich, Colin Stephenson, Whitney Garney
Fibromyalgia (FM) is a serious condition that affects approximately four million people in the United States, and is underdiagnosed in men. The objective of this study was to understand this phenomenon by examining multiple impacts of fibromyalgia on men in regard to interactions in society and the U.S. health system. A qualitative survey was administered to 1,163 respondents both online and in-person in Tennessee, Virginia, Maryland, and Washington, DC. Thematic analyses of the survey responses suggest that men with FM have negative experiences with (1) physical and mental health, (2) quality of life, (3) relationships, and (4) careers as a result of FM...
January 1, 2018: American Journal of Men's Health
https://www.readbyqxmd.com/read/29380923/phacoemulsification-outcomes-in-boston-terriers-as-compared-to-non-boston-terriers-a-retrospective-study-2002-2015
#12
Georgina M Newbold, William J Kelch, Thomas Chen, Daniel A Ward, Diane V H Hendrix
OBJECTIVES: To compare visual outcome and cause of blindness between two groups of dogs undergoing phacoemulsification. ANIMALS STUDIED: Study population consisted of 35 Boston terriers (BT; 70 eyes) and 77 non-Boston terriers (NBT; 154 eyes) that underwent bilateral phacoemulsification surgery. PROCEDURES: Medical records were reviewed to determine visual outcome, complications leading to blindness and follow-up. A Kaplan-Meier survival curve was used to estimate surgical success at 1 and 2 years postoperatively...
January 30, 2018: Veterinary Ophthalmology
https://www.readbyqxmd.com/read/29379027/nitrogen-fertilization-elevated-spatial-heterogeneity-of-soil-microbial-biomass-carbon-and-nitrogen-in-switchgrass-and-gamagrass-croplands
#13
Jianwei Li, Chunlan Guo, Siyang Jian, Qi Deng, Chih-Li Yu, Kudjo E Dzantor, Dafeng Hui
The effects of intensive nitrogen (N) fertilizations on spatial distributions of soil microbes in bioenergy croplands remain unknown. To quantify N fertilization effect on spatial heterogeneity of soil microbial biomass carbon (MBC) and N (MBN), we sampled top mineral horizon soils (0-15 cm) using a spatially explicit design within two 15-m2 plots under three fertilization treatments in two bioenergy croplands in a three-year long fertilization experiment in Middle Tennessee, USA. The three fertilization treatments were no N input (NN), low N input (LN: 84 kg N ha-1 in urea) and high N input (HN: 168 kg N ha-1 in urea)...
January 29, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29370582/first-report-of-the-post-fire-morel-morchella-exuberans-in-eastern-north-america
#14
Andrew N Miller, Daniel B Raudabaugh, Teresa Iturriaga, P Brandon Matheny, Ronald H Petersen, Karen W Hughes, Matthias Gube, Rob A Powers, Timothy Y James, Kerry O'Donnell
Reports of true morels (Morchella) fruiting on conifer burn sites are common in western North America where five different fire-adapted species of black morels (Elata Clade) have been documented based on multilocus phylogenetic analyses. Fruiting of post-fire morels in eastern North America, by comparison, are rare and limited to a report from Minnesota in 1977 and eastern Ontario in 1991. Here, nuc rDNA internal transcribed spacer (ITS1-5.8S-ITS2 = ITS) sequences were used to identify the post-fire morel that fruited in great abundance the year following the 2012 Duck Lake Fire in the Upper Peninsula of Michigan and after the 2016 large-scale fire in the Great Smoky Mountains National Park in Tennessee as M...
November 30, 2017: Mycologia
https://www.readbyqxmd.com/read/29369022/first-record-of-culex-coronator-in-shelby-county-tennessee
#15
Amy Trimm, Andrew Insch, Ture Carlson
Culex coronator has been identified in Shelby County, TN, for the first time as an established species. This is an important discovery since the range of Cx. coronator is unknown in Tennessee and it has been found positive for West Nile virus. Larvae and an adult were discovered during routine surveillance. Larvae were collected at 9 different locations, while the 1 adult captured was at the 10th isolated location.
December 2017: Journal of the American Mosquito Control Association
https://www.readbyqxmd.com/read/29350453/late-cretaceous-marine-arthropods-relied-on-terrestrial-organic-matter-as-a-food-source-geochemical-evidence-from-the-coon-creek-lagerst%C3%A3-tte-in-the-mississippi-embayment
#16
M B Vrazo, A F Diefendorf, B E Crowley, A D Czaja
The Upper Cretaceous Coon Creek Lagerstätte of Tennessee, USA, is known for its extremely well-preserved mollusks and decapod crustaceans. However, the depositional environment of this unit, particularly its distance to the shoreline, has long been equivocal. To better constrain the coastal proximity of the Coon Creek Formation, we carried out a multiproxy geochemical analysis of fossil decapod (crab, mud shrimp) cuticle and associated sediment from the type section. Elemental analysis and Raman spectroscopy confirmed the presence of kerogenized carbon in the crabs and mud shrimp; carbon isotope (δ13 C) analysis of bulk decapod cuticle yielded similar mean δ13 C values for both taxa (-25...
January 19, 2018: Geobiology
https://www.readbyqxmd.com/read/29346335/notes-from-the-field-legionellosis-outbreak-associated-with-a-hotel-aquatics-facility-tennessee-2017
#17
Jane K Yackley, David Sweat, Mary-Margaret A Fill, Katie Garman, John R Dunn
No abstract text is available yet for this article.
January 19, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29345750/mobility-trajectories-at-the-end-of-life-comparing-clinical-condition-and-latent-class-approaches
#18
June R Lunney, Steven M Albert, Robert Boudreau, Diane Ives, Suzanne Satterfield, Anne B Newman, Tamara Harris
OBJECTIVES: To assess mobility disability trajectories before death in a large sample of very old adults using two analytical approaches to determine how well they corresponded. DESIGN: Decedent sample from the Health, Aging and Body Composition (Health ABC) Study. Data were collected between 1997 and 2015. SETTING: Pittsburgh, Pennsylvania, and Memphis, Tennessee. PARTICIPANTS: Individuals randomly selected from well-functioning white Medicare beneficiaries and all black community residents meeting age criteria (70-79) (N = 3,075)...
January 18, 2018: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/29341983/diarrheagenic-escherichia-coli-and-acute-gastroenteritis-in-children-in-davidson-county-tennessee-united-states-a-case-control-study
#19
Aamer Imdad, Monique A Foster, Junaid Iqbal, Christopher Fonnesbeck, Daniel C Payne, Chengxian Zhang, James D Chappell, Natasha Halasa, Oscar G Gómez-Duarte
BACKGROUND: Diarrheagenic Escherichia coli (DEC) are an important cause of acute gastroenteritis in children; however, there is limited information available on the epidemiology, phylogenetics, serotyping, and antibiotic susceptibility of DEC in children in the United States. The aim of this study was to determine the molecular epidemiology of DEC among children with and without acute gastroenteritis in Davidson County, Tennessee. METHODS: This prospective, frequency matched, case-control study recruited subjects 15 days to 17 years of age and detected DEC with polymerase chain reaction from stool samples...
January 16, 2018: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/29341100/underdiagnosis-of-influenza-virus-infection-in-hospitalized-older-adults
#20
Lauren Hartman, Yuwei Zhu, Kathryn M Edwards, Marie R Griffin, H Keipp Talbot
OBJECTIVE: To describe factors associated with provider-ordered influenza testing among hospitalized adults. DESIGN: Information on patient demographics, symptoms, and provider-ordered influenza testing were collected by questionnaire and chart review. We conducted prospective laboratory-based surveillance using reverse-transcriptase polymerase chain reaction (RT-PCR), the gold-standard for diagnosis of influenza, to determine how patient characteristics and provider-ordered testing impacted accurate influenza diagnosis...
January 17, 2018: Journal of the American Geriatrics Society
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