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https://www.readbyqxmd.com/read/28742415/air-and-dust-borne-fungi-in-indoor-and-outdoor-home-of-allergic-patients-in-a-dust-storm-affected-area
#1
Elham Shabankarehfard, Afshin Ostovar, Shokrollah Farrokhi, Behrouz Naeimi, Sasan Zaeri, Shahrokh Nazmara, Mozhgan Keshtkar, Farzaneh Sadeghzadeh, Sina Dobaradaran
Despite the recent increases in fungi-induced allergic diseases, there is no report yet in the region of the Persian Gulf on concentration levels of fungi in relationship with health state. Therefore, our aim was to measure fungi prevalence as well as to evaluate the relationships between air- and dust-borne fungal genera and allergic diseases. A matched case-control study was carried out including 45 allergic cases and 45 age- and gender-matched controls for each individual. Indoor and outdoor dust and indoor air samples were collected from participant homes during May to October 2015...
July 25, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28741180/loss-of-nhej1-protein-due-to-a-novel-splice-site-mutation-in-a-family-presenting-with-combined-immunodeficiency-microcephaly-and-growth-retardation-and-literature-review
#2
Farrukh Sheikh, Abbas Hawwari, Safa Alhissi, Sulaiman Al Gazlan, Hasan Al Dhekri, Agha M Rehan Khaliq, Esteban Borrero, Lina El-Baik, Rand Arnaout, Hamoud Al-Mousa, Anas M Alazami
INTRODUCTION: Non-homologous end joining gene 1 (NHEJ1) defect is a rare form of primary immune deficiency. Very few cases have been described from around the world. PURPOSE: We are reporting the first family from the Arabian Gulf with three siblings presenting with combined immunodeficiency (CID), microcephaly, and growth retardation due to a novel NHEJ1 splice site mutation, in addition to a review of the previously published literature on this subject. METHODS: Patients' clinical, immunological, and laboratory features were examined...
July 24, 2017: Journal of Clinical Immunology
https://www.readbyqxmd.com/read/28739494/amblyomma-maculatum-secis-binding-protein-2-and-putative-selenoprotein-p-are-indispensable-for-pathogen-replication-and-tick-fecundity
#3
Khemraj Budachetri, Gary Crispell, Shahid Karim
Selenium, a vital trace element, is incorporated into selenoproteins to produce selenocysteine. Our previous studies have revealed an adaptive co-evolutionary process that has enabled the spotted fever-causing tick-borne pathogen Rickettsia parkeri to survive by manipulating an antioxidant defense system associated with selenium, which includes a full set of selenoproteins and other antioxidants in ticks. Here, we conducted a systemic investigation of SECIS binding protein 2 (SBP2) and putative selenoprotein P (SELENOP) by transcript silencing in adult female Gulf-coast ticks (Amblyomma maculatum)...
July 21, 2017: Insect Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28739102/microplastics-in-coastal-environments-of-the-arabian-gulf
#4
Oyebamiji Abib Abayomi, Pedro Range, Mohammad A Al-Ghouti, Jeffrey Philip Obbard, Saeed Hashim Almeer, Radhouane Ben-Hamadou
Eight sandy beaches along the coastline of Qatar and four sea surface stations on the eastern coast, adjacent to Doha Bay, were surveyed between December 2014 and March 2015. Microplastics, mainly low density polyethylene and polypropylene, were found in all samples of sediments and seawater. Blue fibers, ranging between 1 and 5mm, were the dominant type of particle present. Abundances on the sea surface varied between 4.38×10(4) and 1.46×10(6)particles·km(-2), with the highest values being consistently found 10km offshore, suggesting the presence of a convergence zone...
July 21, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28738173/simulating-the-meteorology-and-pm10-concentrations-in-arizona-dust-storms-with-the-weather-research-and-forecasting-model-with-chemistry-wrf-chem
#5
Peter Hyde, Alex Mahalov, Jialun Li
Nine dust storms in south-central Arizona, USA were simulated with the Weather Research and Forecasting with Chemistry model (WRF-Chem) at 2-km resolution. The windblown dust emission algorithm was the Air Force Weather Agency model. In comparison with ground-based PM10 observations, the model unevenly reproduces the dust storm events. The model adequately estimates the location and timing of the events, but it is unable to precisely replicate the magnitude and timing of the elevated hourly concentrations of particles 10 microns and smaller ([PM10])...
July 24, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28737070/%C3%AE-blockers-on-discharge-from-acute-atrial-fibrillation-are-associated-with-decreased-mortality-and-lower-cerebrovascular-accidents-in-patients-with-heart-failure-and-reduced-ejection-fraction
#6
Charbel Abi Khalil, Mohammad Zubaid, Nidal Asaad, Wafa A Rashed, Adel Khalifa Hamad, Rajvir Singh, Jassim Al Suwaidi
The benefits of β-blockers in patients with heart failure (HF) with reduced ejection fraction (HFrEF) and atrial fibrillation (AF) are controversial. The Gulf Survey of Atrial Fibrillation Events was a prospective, multinational, observational registry of consecutive patients with AF recruited from the emergency department (ED). We studied the incidence of 6- and 12-month mortality, hospitalization for HF or AF, and stroke/transient ischemic attacks (TIAs) in patients with HFrEF, in relation to β-blockers on discharge from the ED or the subsequent hospital stay...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28735966/distribution-and-enrichment-of-trace-metals-in-surface-marine-sediments-in-the-gulf-of-pozzuoli-and-off-the-coast-of-the-brownfield-metallurgical-site-of-ilva-of-bagnoli-campania-italy
#7
Marco Trifuoggi, Carlo Donadio, Olga Mangoni, Luciano Ferrara, Francesco Bolinesi, Rosa Anna Nastro, Corrado Stanislao, Maria Toscanesi, Gabriella Di Natale, Michele Arienzo
The distribution of metals in surface sediments of Gulf of Pozzuoli (GoP), embedding the former second Italian largest integrated steelworks of Bagnoli, was studied based on sediment dispersal, quality guidelines (SQGs) and quantitative pollution indices of the respective metals. As, Cd, Hg, Pb, Zn largely exceeded the limits. Hg had a mean of 5.8mg/kg, twentyfold higher the rule, accumulating primarily near Bagnoli site. The mean effective range quotient, m-ERM-Q, revealed a high potential for negative biological effects especially in the area nearby the Bagnoli site...
July 20, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28734261/abundant-plankton-sized-microplastic-particles-in-shelf-waters-of-the-northern-gulf-of-mexico
#8
Rosana Di Mauro, Matthew J Kupchik, Mark C Benfield
Accumulation of marine debris is a global problem that affects the oceans on multiple scales. The majority of floating marine debris is composed of microplastics: plastic particles up to 5 mm in diameter. With similar sizes and appearances to natural food items, these small fragments pose potential risks to many marine organisms including zooplankton and zooplanktivores. Semi-enclosed seas are reported to have high concentrations of microplastics, however, the distribution and concentration of microplastics in one such system, the Gulf of Mexico, remains unknown...
July 19, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28732168/inland-sea-spray-aerosol-transport-and-incomplete-chloride-depletion-varying-degrees-of-reactive-processing-observed-during-soas
#9
Amy Lynne Bondy, Bingbing Wang, Alexander Laskin, Rebecca Lynn Craig, Manelisi Victor Nhliziyo, Steven Bertman, Kerri A Pratt, Paul B Shepson, Andrew P Ault
Multiphase reactions involving sea spray aerosol (SSA) impact trace gas budgets in coastal regions by acting as a reservoir for oxidized nitrogen and sulfur species, as well as a source of halogen gases (HCl, ClNO2, etc.). While most studies of multiphase reactions on SSA have focused on marine environments, far less is known about SSA transported inland. Herein, single particle measurements of SSA are reported at a site > 320 km from the Gulf of Mexico, with transport times of 7-68 h. Samples were collected during the Southern Oxidant and Aerosol Study (SOAS) in June-July 2013 near Centreville, Alabama...
July 21, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28732022/global-economic-trade-offs-between-wild-nature-and-tropical-agriculture
#10
Luis R Carrasco, Edward L Webb, William S Symes, Lian P Koh, Navjot S Sodhi
Global demands for agricultural and forestry products provide economic incentives for deforestation across the tropics. Much of this deforestation occurs with a lack of information on the spatial distribution of benefits and costs of deforestation. To inform global sustainable land-use policies, we combine geographic information systems (GIS) with a meta-analysis of ecosystem services (ES) studies to perform a spatially explicit analysis of the trade-offs between agricultural benefits, carbon emissions, and losses of multiple ecosystem services because of tropical deforestation from 2000 to 2012...
July 2017: PLoS Biology
https://www.readbyqxmd.com/read/28725931/seasonal-trend-of-pahs-concentrations-in-farmed-mussels-from-the-coastal-areas-of-the-naples-italy
#11
Mauro Esposito, Monia Perugini, Sara Lambiase, Annamaria Conte, Loredana Baldi, Michele Amorena
This paper reports on the results about the chemical pollution pressure in the Gulf of Naples and nearby coastal areas. Farmed mussels were analysed for the presence of polycyclic aromatic hydrocarbons (PAHs). The results documented a decreasing trend in the PAHs levels respect to the past years. The Bay of Pozzuoli remains as the most contaminated site within the Lucrino area with the highest reported number of samples exceeding the benzo(a)pyrene and PAHs sum limits. All the samples with concentrations above the European regulatory limit were collected in the winter period illustrating a seasonal trend of PAHs distribution in mussels during the 4 years investigated...
July 19, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28725435/biogeophysical-and-physiological-processes-drive-movement-patterns-in-a-marine-predator
#12
Lucy A Howey, Bradley M Wetherbee, Emily R Tolentino, Mahmood S Shivji
BACKGROUND: Blue sharks (Prionace glauca) are among the most abundant and widely distributed of oceanic elasmobranchs. Millions are taken annually in pelagic longline fisheries and comprise the highest component of auctioned fin weight in the international shark fin trade. Though studies of blue sharks outnumber those of other large pelagic sharks, the species' complicated and sexually segregated life history still confound current understanding of Atlantic movement patterns. Lack of detailed information regarding movement and vertical behavior continues to limit management efforts that require such data for stock assessment and sustainable catch modeling...
2017: Movement Ecology
https://www.readbyqxmd.com/read/28724734/hydrothermal-vent-fields-discovered-in-the-southern-gulf-of-california-clarify-role-of-habitat-in-augmenting-regional-diversity
#13
Shana K Goffredi, Shannon Johnson, Verena Tunnicliffe, David Caress, David Clague, Elva Escobar, Lonny Lundsten, Jennifer B Paduan, Greg Rouse, Diana L Salcedo, Luis A Soto, Ronald Spelz-Madero, Robert Zierenberg, Robert Vrijenhoek
Hydrothermal vent communities are distributed along mid-ocean spreading ridges as isolated patches. While distance is a key factor influencing connectivity among sites, habitat characteristics are also critical. The Pescadero Basin (PB) and Alarcón Rise (AR) vent fields, recently discovered in the southern Gulf of California, are bounded by previously known vent localities (e.g. Guaymas Basin and 21° N East Pacific Rise); yet, the newly discovered vents differ markedly in substrata and vent fluid attributes...
July 26, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28723935/responses-of-molluscan-communities-to-centuries-of-human-impact-in-the-northern-adriatic-sea
#14
Ivo Gallmetzer, Alexandra Haselmair, Adam Tomašových, Michael Stachowitsch, Martin Zuschin
In sediment cores spanning ~500 years of history in the Gulf of Trieste, down-core changes in molluscan community structure are characterized by marked shifts in species and functional composition. Between the 16th and 19th century, a strong heavy metal contamination of the sediments, most notably by Hg, together with the effects of natural climatic oscillations (increased sedimentation and organic enrichment) drive community changes. Since the early 20th century up to 2013, the combined impacts of cultural eutrophication, frequent hypoxic events and intensifying bottom trawling replace heavy metal contamination and climatic factors as the main drivers...
2017: PloS One
https://www.readbyqxmd.com/read/28722329/prevalence-of-salmonella-among-waterfowl-along-the-texas-gulf-coast
#15
M K Grigar, K J Cummings, S C Rankin
Migratory waterfowl may play a role in the ecology and transmission of zoonotic pathogens, given their ability to travel long distances and their use of varied habitats. Our objectives were to estimate the prevalence of Salmonella among waterfowl along the Texas Gulf coast and to characterize the isolates. Faecal samples were collected from hunter-harvested waterfowl at four wildlife management areas from September through November, 2016. Standard bacteriologic culture methods were used to isolate Salmonella from samples, and isolates were characterized by serotyping and anti-microbial susceptibility testing...
July 19, 2017: Zoonoses and Public Health
https://www.readbyqxmd.com/read/28720895/rapid-response-of-eastern-mediterranean-deep-sea-microbial-communities-to-oil
#16
Jiang Liu, Stephen M Techtmann, Hannah L Woo, Daliang Ning, Julian L Fortney, Terry C Hazen
Deep marine oil spills like the Deepwater Horizon (DWH) in the Gulf of Mexico have the potential to drastically impact marine systems. Crude oil contamination in marine systems remains a concern, especially for countries around the Mediterranean Sea with off shore oil production. The goal of this study was to investigate the response of indigenous microbial communities to crude oil in the deep Eastern Mediterranean Sea (E. Med.) water column and to minimize potential bias associated with storage and shifts in microbial community structure from sample storage...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720760/exploring-spatial-and-temporal-trends-in-the-soundscape-of-an-ecologically-significant-embayment
#17
R L Putland, R Constantine, C A Radford
The Hauraki Gulf, a shallow embayment in north-eastern New Zealand, provides an interesting environment for ecological soundscape research. It is situated on a tectonic plate boundary, contains one of the busiest ports in the southern hemisphere and is home to a diverse range of soniferous animals. The underwater soundscape was monitored for spatial and temporal trends at six different listening stations using passive acoustic recorders. The RMS sound pressure level of ambient sound (50-24,000 Hz) at the six listening stations was similar, ranging from 90-110 dB re 1 μPa throughout the recording period...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720545/identification-and-kinetic-characterization-of-a-novel-superoxide-dismutase-from-avicennia-marina-an-antioxidant-enzyme-that-functions-under-a-broad-ph-and-temperature-conditions
#18
Farrokhzad Zeinali, Ahmad Homaei, Ehsan Kamrani
A novel Cu/Zn-superoxide dismutase was extracted from Avicennia marina and purified. The sample was collected from Khamir port located in the north shore of Persian Gulf. The purification procedure comprised of (NH4)2SO4 precipitation followed by CM-Sephadex C-50 and DEAE-Sepharose chromatography, and gel filtration chromatography (Sephadex G-75). The enzyme with a characteristic molecular weight of 31kDa, measured by SDS-page, showed its highest catalytic efficiency at pH 8.0 and 50°C. Its activity was greatly inhibited by cyanide and hydrogen peroxide...
July 15, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28718018/the-environmental-legacy-of-historic-pb-zn-ag-au-mining-in-river-basins-of-the-southern-edge-of-the-massif-central-france
#19
Françoise Elbaz-Poulichet, Eléonore Resongles, Chrystelle Bancon-Montigny, Sophie Delpoux, Rémi Freydier, Corinne Casiot
The main rivers (Aude, Orb, Herault) that discharge into the Gulf of Lions and the west bank tributaries of the Rhone River including the Gardon have former non-ferrous metal mines in their upper drainage basin. Using unpublished data and data from the literature, this study provides an integrated overview of the contamination of water and sediment along the continent-sea continuum and of its impacts on the biota and on human health. In the upper part of these basins, water and stream sediments are enriched in metal(-loids) compared to median European concentrations...
July 17, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28714801/muleshoe-virus-and-other-hantaviruses-associated-with-neotomine-or-sigmodontine-rodents-in-texas
#20
Mary Louise Milazzo, Maria N B Cajimat, Martin H Richter, Robert D Bradley, Charles F Fulhorst
The broad objective of this study was to increase our knowledge of Muleshoe virus and other hantaviruses associated with cricetid rodents in Texas. Anti-hantavirus antibody was found in 38 (3.2%) of 1171 neotomine rodents and 6 (1.8%) of 332 sigmodontine rodents from 10 Texas counties; hantaviral RNA was detected in 23 (71.9%) of 32 antibody-positive rodents. Analyses of nucleocapsid protein gene sequences indicated Muleshoe virus infection in four hispid cotton rats (Sigmodon hispidus) from northern Texas; Bayou virus, three Texas marsh oryzomys (Oryzomys texensis) from the Gulf Coast; Limestone Canyon virus, five brush mice (Peromyscus boylii) from western Texas; and Sin Nombre virus-five Texas mice (P...
July 17, 2017: Vector Borne and Zoonotic Diseases
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