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https://www.readbyqxmd.com/read/28644371/-the-atlantic-coast-in-trinidad-island
#1
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No abstract text is available yet for this article.
July 1, 2017: Spine
https://www.readbyqxmd.com/read/28644123/pin-malposition-in-external-fixator-stabilization-of-combat-related-pelvic-fractures
#2
Mark P Coseo, Dustin J Schuett, Kevin M Kuhn, Joseph Bellamy
The purpose of this study was to compare the accuracy of pin placement in patients with unstable pelvic fractures undergoing either iliac crest or supra-acetabular external fixation. A retrospective review was performed of computed tomography (CT) scans and injury characteristics for all patients presenting to a North Atlantic Treaty Organization Medical Treatment Facility with data entered into the Department of Defense Trauma Registry from January 2008 to October 2013 who underwent pelvic external fixation for unstable pelvic ring injuries...
2017: Journal of Surgical Orthopaedic Advances
https://www.readbyqxmd.com/read/28643197/ampk-is-activated-early-in-cerebellar-granule-cells-undergoing-apoptosis-and-influences-vadc1-phosphorylation-status-and-activity
#3
A Bobba, E Casalino, G Amadoro, V A Petragallo, A Atlante
The neurodegeneration of cerebellar granule cells, after low potassium induced apoptosis, is known to be temporally divided into an early and a late phase. Voltage-dependent anion channel-1 (VDAC1) protein, changing from the closed inactive state to the active open state, is central to the switch between the early and late phase. It is also known that: (i) VDAC1 can undergo phosphorylation events and (ii) AMP-activated protein kinase (AMPK), the sensor of cellular stress, may have a role in neuronal homeostasis...
June 22, 2017: Apoptosis: An International Journal on Programmed Cell Death
https://www.readbyqxmd.com/read/28642866/evaluation-of-serum-for-pathophysiological-effects-of-prolonged-low-salinity-water-exposure-in-displaced-bottlenose-dolphins-tursiops-truncatus
#4
Ruth Y Ewing, Blair Mase-Guthrie, Wayne McFee, Forrest Townsend, Charles A Manire, Michael Walsh, Rose Borkowski, Gregory D Bossart, Adam M Schaefer
We conducted a retrospective study of serum biochemistry and hematologic findings from displaced, out-of-habitat bottlenose dolphins (Tursiops truncatus) exposed to various low salinity environments in waters along the southern United States including southeastern Atlantic and northern Gulf of Mexico. Serum sodium, chloride, and calculated osmolality were significantly lower and below reference ranges in displaced animals compared to free-ranging case control animals. This suggests clinical hyponatremia, hypochloremia, and hypo-osmolality due to an uptake of low saline water from the environment...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28640345/abundance-of-the-reef-building-petaloconchus-varians-gastropoda-vermetidae-on-intertidal-rocky-shores-at-ilha-grande-bay-southeastern-brazil
#5
André Breves, Maria Teresa M DE Széchy, Helena P Lavrado, Andrea O R Junqueira
The reef-building vermetid Petaloconchus varians occurs in the western Atlantic Ocean, from the Caribbean Sea to the southern coast of Brazil. The present study evaluated the abundance of P. varians on intertidal rocky shores in Ilha Grande Bay (Rio de Janeiro State), and characterized their reefs, describing the species density, besides the weight and the belt width of the reefs. Petaloconchus varians reefs were recorded at 25 sites, with rocky shores exposed to different wave action (very sheltered, sheltered, semi-exposed and exposed) and slopes (10° to 46°)...
April 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28639058/geospatial-analysis-of-drug-poisoning-deaths-involving-heroin-in-the-usa-2000-2014
#6
Kathleen Stewart, Yanjia Cao, Margaret H Hsu, Eleanor Artigiani, Eric Wish
We investigate the geographic patterns of drug poisoning deaths involving heroin by county for the USA from 2000 to 2014. The county-level patterns of mortality are examined with respect to age-adjusted rates of death for different classes of urbanization and racial and ethnic groups, while rates based on raw counts of drug poisoning deaths involving heroin are estimated for different age groups and by gender. To account for possible underestimations in these rates due to small areas or small numbers, spatial empirical Baye's estimation techniques have been used to smooth the rates of death and alleviate underestimation when analyzing spatial patterns for these different groups...
June 21, 2017: Journal of Urban Health: Bulletin of the New York Academy of Medicine
https://www.readbyqxmd.com/read/28637254/phylogeography-of-lionfishes-pterois-indicate-taxonomic-over-splitting-and-hybrid-origin-of-the-invasive-pterois-volitans
#7
Christie L Wilcox, Hiroyuki Motomura, Mizuki Matsunuma, Brian W Bowen
The lionfish is an iconic marine fish, and recently renowned for a disastrous introduction into the West Atlantic. Genetic surveys of the putative invaders (Pterois volitans and P. miles) in their natural Indo-Pacific range can illuminate both topics. Previous research indicated that P. volitans and P. miles are sister species that hybridize in the invasive range, but hybridization in the native range is unknown. Here we apply mtDNA COI and two nuclear introns (S7 RP1 and Gpd2) from 229 lionfish including the two invaders and two closely-related taxa (44 P...
June 16, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28636804/new-insights-into-global-biogeography-population-structure-and-natural-selection-from-the-genome-of-the-epipelagic-copepod-oithona
#8
Mohammed-Amin Madoui, Julie Poulain, Kevin Sugier, Marc Wessner, Benjamin Noel, Leo Berline, Karine Labadie, Astrid Cornils, Leocadio Blanco-Bercial, Lars Stemmann, Jean-Louis Jamet, Patrick Wincker
In the epipelagic ocean the genus Oithona is considered as one of the most abundant and widespread copepods and plays an important role in the trophic food web. Despite its ecological importance, little is known about the Oithona and cyclopoid copepods genomics. Therefore, we sequenced, assembled and annotated the genome of Oithona nana. The comparative genomic analysis integrating available copepod genomes highlighted the expansions of genes related to stress response, cell differentiation, and development, including genes coding Lin12-Notch-Repeat (LNR) domain proteins...
June 21, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28635649/the-sea-urchin-arbacia-lixula-a-novel-natural-source-of-astaxanthin
#9
Paola Cirino, Christophe Brunet, Martina Ciaravolo, Christian Galasso, Luigi Musco, Tomás Vega Fernández, Clementina Sansone, Alfonso Toscano
Several echinoderms, including sea urchins, are valuable sources of bioactive compounds but their nutraceutical potential is largely unexplored. In fact, the gonads of some sea urchin species contain antioxidants including carotenoids and polyhydroxylated naphthoquinones (PHNQ's), such as echinochrome A. Astaxanthin is known to have particular bioactivity for the prevention of neurodegenerative diseases. This carotenoid is produced by microalgae, while several marine invertebrates can bioaccumulate or synthetize it from metabolic precursors...
June 21, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28635638/antibiotic-concentrations-decrease-during-wastewater-treatment-but-persist-at-low-levels-in-reclaimed-water
#10
Prachi Kulkarni, Nathan D Olson, Greg A Raspanti, Rachel E Rosenberg Goldstein, Shawn G Gibbs, Amir Sapkota, Amy R Sapkota
Reclaimed water has emerged as a potential irrigation solution to freshwater shortages. However, limited data exist on the persistence of antibiotics in reclaimed water used for irrigation. Therefore, we examined the fate of nine commonly-used antibiotics (ampicillin, azithromycin, ciprofloxacin, linezolid, oxacillin, oxolinic acid, penicillin G, pipemidic acid, and tetracycline) in differentially treated wastewater and reclaimed water from two U.S. regions. We collected 72 samples from two Mid-Atlantic and two Midwest treatment plants, as well as one Mid-Atlantic spray irrigation site...
June 21, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28634410/climate-response-to-the-8-2-ka-event-in-coastal-california
#11
Jessica L Oster, Warren D Sharp, Aaron K Covey, Jansen Gibson, Bruce Rogers, Hari Mix
A fast-growing stalagmite from the central California coast provides a high-resolution record of climatic changes synchronous with global perturbations resulting from the catastrophic drainage of proglacial Lake Agassiz at ca. 8.2 ka. High frequency, large amplitude variations in carbon isotopes during the 8.2 ka event, coupled with pulsed increases in phosphorus concentrations, indicate more frequent or intense winter storms on the California coast. Decreased magnesium-calcium ratios point toward a sustained increase in effective moisture during the event, however the magnitude of change in Mg/Ca suggests this event was not as pronounced on the western North American coast as anomalies seen in the high northern latitudes and monsoon-influenced areas...
June 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28633948/effect-of-nutrient-pollution-on-dinoflagellate-cyst-assemblages-across-estuaries-of-the-nw-atlantic
#12
Andrea M Price, Michael R S Coffin, Vera Pospelova, James S Latimer, Gail L Chmura
We analyzed surface sediments from 23 northeast USA estuaries, from Maine to Delaware, and nine estuaries from Prince Edward Island (PEI, Canada), to determine how dinoflagellate cyst assemblages varied with nutrient loading. Overall the abundance of cysts of heterotrophic dinoflagellates correlates with modeled nitrogen loading, but there were also regional signals. On PEI cysts of Gymnodinium microreticulatum characterized estuaries with high nitrogen loading while the sediments of eutrophic Boston Harbor were characterized by high abundances of Spiniferites spp...
June 17, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28633436/membrane-androgen-receptor-zip9-induces-croaker-ovarian-cell-apoptosis-via-stimulatory-g-protein-alpha-subunit-and-mapkinase-signaling
#13
Aubrey Converse, Chenan Zhang, Peter Thomas
Recent studies show that androgen-induced apoptosis in Atlantic croaker primary granulosa/theca (G/T) cells and in human breast and prostate cancer cell lines is mediated by the novel membrane androgen receptor ZIP9 which belongs to the SLC39A zinc transporter family. However, the apoptotic signaling pathways remain unclear because ZIP9 activates an inhibitory G protein in human cancer cells, whereas recombinant croaker ZIP9 activates a stimulatory G protein (Gs) in transfected cancer cells. Here we investigated androgen-dependent apoptotic pathways in order to identify the signaling pathways regulated through wild-type croaker ZIP9 in ovarian follicle cells...
June 16, 2017: Endocrinology
https://www.readbyqxmd.com/read/28632908/prediction-of-groundwater-quality-trends-resulting-from-anthropogenic-changes-in-southeast-florida
#14
Quanghee Yi, Mark Stewart
The effects of surface water flow system changes caused by constructing water-conservation areas and canals in southeast Florida on groundwater quality under the Atlantic Coastal Ridge was investigated with numerical modeling. Water quality data were used to delineate a zone of groundwater with low total dissolved solids (TDS) within the Biscayne aquifer under the ridge. The delineated zone has the following characteristics. Its location generally coincides with an area where the Biscayne aquifer has high transmissivities, corresponds to a high recharge area of the ridge, and underlies a part of the groundwater mound formed under the ridge prior to completion of the canals...
June 20, 2017: Ground Water
https://www.readbyqxmd.com/read/28631732/skillful-prediction-of-northern-climate-provided-by-the-ocean
#15
Marius Årthun, Tor Eldevik, Ellen Viste, Helge Drange, Tore Furevik, Helen L Johnson, Noel S Keenlyside
It is commonly understood that a potential for skillful climate prediction resides in the ocean. It nevertheless remains unresolved to what extent variable ocean heat is imprinted on the atmosphere to realize its predictive potential over land. Here we assess from observations whether anomalous heat in the Gulf Stream's northern extension provides predictability of northwestern European and Arctic climate. We show that variations in ocean temperature in the high latitude North Atlantic and Nordic Seas are reflected in the climate of northwestern Europe and in winter Arctic sea ice extent...
June 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28630895/glass-eels-anguilla-anguilla-have-a-magnetic-compass-linked-to-the-tidal-cycle
#16
Alessandro Cresci, Claire B Paris, Caroline M F Durif, Steven Shema, Reidun M Bjelland, Anne Berit Skiftesvik, Howard I Browman
The European eel (Anguilla anguilla) has one of the longest migrations in the animal kingdom. It crosses the Atlantic Ocean twice during its life history, migrating between the spawning area in the Sargasso Sea and Europe, where it is widely distributed. The leptocephalus larvae drift with the Gulf Stream and other currents for more than a year and metamorphose into glass eels when they arrive on the continental shelf and move toward coastal areas. The mechanisms underlying glass eel orientation toward the coast and into freshwater systems are poorly known...
June 2017: Science Advances
https://www.readbyqxmd.com/read/28630446/strong-sub-seasonal-wintertime-cooling-over-east-asia-and-northern-europe-associated-with-super-el-ni%C3%A3-o-events
#17
Xin Geng, Wenjun Zhang, Malte F Stuecker, Fei-Fei Jin
East Asia experienced a record-breaking cold event during the 2015/16 boreal winter, with pronounced impacts on livelihood in the region. We find that this large-scale cold spell can be attributed to the concurrent super El Niño event in the tropical Pacific. Our analysis reveals that all super El Niño winters (1982/83, 1997/98, and 2015/16) were accompanied by a rapid sub-seasonal North Atlantic Oscillation (NAO)/Arctic Oscillation (AO) phase reversal from a positive to a negative state during early January, which was largely caused by the interaction of these super El Niño events with the subtropical jet annual cycle...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28630294/mercury-evidence-for-pulsed-volcanism-during-the-end-triassic-mass-extinction
#18
Lawrence M E Percival, Micha Ruhl, Stephen P Hesselbo, Hugh C Jenkyns, Tamsin A Mather, Jessica H Whiteside
The Central Atlantic Magmatic Province (CAMP) has long been proposed as having a causal relationship with the end-Triassic extinction event (∼201.5 Ma). In North America and northern Africa, CAMP is preserved as multiple basaltic units interbedded with uppermost Triassic to lowermost Jurassic sediments. However, it has been unclear whether this apparent pulsing was a local feature, or if pulses in the intensity of CAMP volcanism characterized the emplacement of the province as a whole. Here, six geographically widespread Triassic-Jurassic records, representing varied paleoenvironments, are analyzed for mercury (Hg) concentrations and Hg/total organic carbon (Hg/TOC) ratios...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28629143/nutrients-and-other-environmental-factors-influence-virus-abundances-across-oxic-and-hypoxic-marine-environments
#19
Jan F Finke, Brian P V Hunt, Christian Winter, Eddy C Carmack, Curtis A Suttle
Virus particles are highly abundant in seawater and, on average, outnumber microbial cells approximately 10-fold at the surface and 16-fold in deeper waters; yet, this relationship varies across environments. Here, we examine the influence of a suite of environmental variables, including nutrient concentrations, salinity and temperature, on the relationship between the abundances of viruses and prokaryotes over a broad range of spatial and temporal scales, including along a track from the Northwest Atlantic to the Northeast Pacific via the Arctic Ocean, and in the coastal waters of British Columbia, Canada...
June 17, 2017: Viruses
https://www.readbyqxmd.com/read/28627921/risk-factors-for-concurrent-suicidal-ideation-and-violent-impulses-in-military-veterans
#20
Eric B Elbogen, H Ryan Wagner, Nathan A Kimbrel, Mira Brancu, Jennifer Naylor, Robert Graziano, Eric Crawford
Suicide and violence are significant problems in a subset of Iraq/Afghanistan-era veterans. This study investigates how posttraumatic stress disorder (PTSD) and resilience in veterans are associated with suicidal ideation and violent impulses while controlling for known covariates of both adverse outcomes. Structured clinical interviews were conducted of N = 2,543 Iraq/Afghanistan-era U.S. veterans. Compared with veterans denying suicidal ideation or violent impulses (n = 1,927), veterans endorsing both (n = 171) were more likely to meet diagnostic criteria for PTSD, report childhood abuse, combat exposure, physical pain symptoms, and drug misuse, and less likely to endorse self-direction/life purpose...
June 19, 2017: Psychological Assessment
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