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https://www.readbyqxmd.com/read/28535489/large-scale-deposition-of-weathered-oil-in-the-gulf-of-mexico-following-a-deep-water-oil-spill
#1
Isabel C Romero, Gerardo Toro-Farmer, Arne-R Diercks, Patrick Schwing, Frank Muller-Karger, Steven Murawski, David J Hollander
The blowout of the Deepwater Horizon (DWH) drilling rig in 2010 released an unprecedented amount of oil at depth (1,500 m) into the Gulf of Mexico (GoM). Sedimentary geochemical data from an extensive area (∼194,000 km(2)) was used to characterize the amount, chemical signature, distribution, and extent of the DWH oil deposited on the seafloor in 2010-2011 from coastal to deep-sea areas in the GoM. The analysis of numerous hydrocarbon compounds (N = 158) and sediment cores (N = 2,613) suggests that, 1...
May 20, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28535299/analysis-of-bacterial-metagenomes-from-the-southwestern-gulf-of-mexico-for-pathogens-detection
#2
Wendy Escobedo-Hinojosa, Liliana Pardo-López
Little is known about the diversity of bacteria in the Southwestern Gulf of Mexico. The aim of the study illustrated in this perspective was to search for the presence of bacterial pathogens in this ecosystem, using metagenomic data recently generated by the Mexican research group known as the Gulf of Mexico Research Consortium. Several genera of bacteria annotated as pathogens were detected in water and sediment marine samples. As expected, native and ubiquitous pathogenic bacteria genera such as Burkolderia, Halomonas, Pseudomonas, Shewanella, and Vibrio were highly represented...
May 23, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28535140/relation-between-body-mass-index-and-body-image-in-spanish-and-mexican-adolescents
#3
Jesús Roberto García Sandoval, José Carlos Caracuel, Armando Cocca, Michaela Cocca, Oswaldo Ceballos Gurrola
This article aims to study the relation between Body Mass Index (BMI) and body image in adolescents from two different social environments in Spain and Mexico, and to compare the construction of an appropriate body scheme in youth from these two countries. The majority of participants were found to be in the normal weight category of BMI. No significant differences were found in BMI or body image comparing Mexican and Spanish adolescents. Regardless of the country of origin, youth belonging to the weight deficit category of BMI overestimated their body shape, whereas those pertaining to overweight and obesity categories underestimated it...
May 23, 2017: Behavioral Medicine
https://www.readbyqxmd.com/read/28533335/rapid-cycling-genomic-selection-in-a-multi-parental-tropical-maize-population
#4
Xuecai Zhang, Paulino Pérez-Rodríguez, Juan Burgueño, Michael Olsen, Edward Buckler, Gary Atlin, Boddupalli M Prasanna, Mateo Vargas, Félix San Vicente, José Crossa
Genomic selection (GS) increases genetic gain by reducing the length of the selection cycle, as has been exemplified in maize using rapid cycling recombination of bi-parental populations. However, no results of GS applied to maize multi-parental populations have been reported so far. This study is the first to show realized genetic gains of rapid cycling genomic selection (RCGS) for four recombination cycles in a multi-parental tropical maize population. Eighteen elite tropical maize lines were intercrossed twice and self-pollinated once to form the cycle 0 (C0) training population...
May 22, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28530845/temporal-variation-in-the-abundance-and-timing-of-daily-activity-of-chagas-disease-vector-triatoma-gerstaeckeri-st%C3%A3-l-1859-in-a-natural-habitat-in-the-lower-rio-grande-valley-south-texas
#5
Alfredo Flores, Christopher Vitek, Teresa Feria Arroyo, Brian Lund Fredensborg
Chagas disease caused by Trypanosoma cruzi is a burden to millions of people in South and Central America. A sylvatic life cycle of the parasite exists in the Southern United States, but recent studies indicate an active peri-domestic life cycle of T. cruzi in Texas. The USA-Mexico border region in Texas displays areas of high poverty and sub-standard housing conditions which are important risk factors for a potential spill-over transmission to a domestic life cycle including humans. The objectives of the study were to examine short- and longterm temporal variation in vector activity, and to evaluate the effect of different combinations of attractants on the capture of potential triatomine vectors...
May 22, 2017: Journal of Parasitology
https://www.readbyqxmd.com/read/28530509/genotyping-toxoplasma-gondii-with-the-b1-gene-in-naturally-infected-sheep-from-an-endemic-region-in-the-pacific-coast-of-mexico
#6
Williams Arony Martínez-Flores, José Manuel Palma-García, Heriberto Caballero-Ortega, Alejandra Del Viento-Camacho, Eduardo López-Escamilla, Fernando Martínez-Hernández, Pablo Vinuesa, Dolores Correa, Pablo Maravilla
Toxoplasma gondii is a protozoan parasite with a broad ecological valence, which has been detected in a wide range of hosts and landscapes. Although the genus is considered monospecific, in recent years it has been demonstrated to exhibit more genetic variability than previously known. In Mexico, there are few genotyping studies, which suggest that classical, autochthonous, and atypical strains are circulating. The goal of this study was to describe T. gondii genetic diversity in naturally infected sheep from Colima, Mexico...
May 22, 2017: Vector Borne and Zoonotic Diseases
https://www.readbyqxmd.com/read/28529213/effective-strategies-for-affordable-care-act-enrollment-in-immigrant-serving-safety-net-clinics-in-new-mexico
#7
Christina M Getrich, Jacqueline M García, Angélica Solares, Miria Kano
In the new Affordable Care Act (ACA) health care environment, safety-net institutions continue to serve as important sources of culturally appropriate care for different groups of immigrant patients. This article reports on a qualitative study examining the early ACA enrollment experiences of a range of health care providers (n = 29) in six immigrant-serving safety-net clinics in New Mexico. The six clinics configured their ACA enrollment strategies differently with regard to operations, staffing, and outreach...
2017: Journal of Health Care for the Poor and Underserved
https://www.readbyqxmd.com/read/28528580/update-on-the-distribution-of-the-co-invasive-schyzocotyle-acheilognathi-bothriocephalus-acheilognathi-the-asian-fish-tapeworm-in-freshwater-fishes-of-mexico
#8
G Pérez-Ponce de León, O Lagunas-Calvo, L García-Prieto, R Briosio-Aguilar, R Aguilar-Aguilar
The Asian fish tapeworm, Schyzocotyle acheilognathi (syn. Bothriocephalus acheilognathi) represents a threat to freshwater fish, mainly cyprinids, across the globe. This tapeworm possesses an extraordinary ability to adapt to different environmental conditions and, because of that, from its natural geographical origin in mainland Asia, it has colonized every continent except Antarctica. It is thought that this pathogenic tapeworm was first co-introduced into Mexico in 1965 from China, with the grass carp Ctenopharyngodon idella, although the first formal record of its presence was published in 1981...
May 22, 2017: Journal of Helminthology
https://www.readbyqxmd.com/read/28528425/neet-adolescents-grown-up-eight-year-longitudinal-follow-up-of-education-employment-and-mental-health-from-adolescence-to-early-adulthood-in-mexico-city
#9
Raúl A Gutiérrez-García, Corina Benjet, Guilherme Borges, Enrique Méndez Ríos, María Elena Medina-Mora
The purpose is to examine the socio-demographic and mental health outcomes in early adulthood of those who as adolescents were not in education, employment or training, termed NEET, compared to their counterparts who studied, worked, or both. One thousand and seventy-one youth residing in Mexico City participated in a representative, prospective, longitudinal 8-year two-Wave cohort study. At Wave I the participants were aged 12-17 and at Wave II aged 19 and 26. The Composite International Diagnostic Interview assessed psychiatric disorders, substance use and abuse, suicidal behavior, interpersonal relationships, employment and education...
May 20, 2017: European Child & Adolescent Psychiatry
https://www.readbyqxmd.com/read/28527212/apolipoprotein-e4-gender-body-mass-index-inflammation-insulin-resistance-and-air-pollution-interactions-recipe-for-alzheimer-s-disease-development-in-mexico-city-young-females
#10
Lilian Calderón-Garcidueñas, Suzanne M de la Monte
Given the epidemiological trends of increasing Alzheimer's disease (AD) and growing evidence that exposure and lifestyle factors contribute to AD risk and pathogenesis, attention should be paid to variables such as air pollution, in order to reduce rates of cognitive decline and dementia. Exposure to fine particulate matter (PM2.5) and ozone (O3) above the US EPA standards is associated with AD risk. Mexico City children experienced pre- and postnatal high exposures to PM2.5, O3, combustion-derived iron-rich nanoparticles, metals, polycyclic aromatic hydrocarbons, and endotoxins...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28527211/alzheimer-s-disease-in-the-latino-community-intersection-of-genetics-and-social-determinants-of-health
#11
Irving E Vega, Laura Y Cabrera, Cassandra M Wygant, Daniel Velez-Ortiz, Scott E Counts
Alzheimer's disease (AD) is the most common type of dementia among individuals 65 or older. There are more than 5 million diagnosed cases in the US alone and this number is expected to triple by 2050. Therefore, AD has reached epidemic proportions with significant socioeconomic implications. While aging in general is the greatest risk factor for AD, several additional demographic factors that have contributed to the rise in AD in the US are under study. One such factor is associated with the relatively fast growth of the Latino population...
May 17, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28526900/abundance-of-corals-on-offshore-oil-and-gas-platforms-in-the-gulf-of-mexico
#12
Stephan R Kolian, Paul W Sammarco, Scott A Porter
Scleractinian, octocoral, and antipatharian corals have colonized many of the offshore oil and gas platforms in the northern Gulf of Mexico. We surveyed 25 offshore oil and gas platforms for these cnidarians. Few to no corals were detected on inshore, shallow-water structures at <25 m depth; however, the abundance of corals increased, ranging from 14 to 194/m(2), on platforms in waters deeper ≥25 m. The most common coral encountered were Tubastraea coccinea (Scleractinia) and Telesto spp. (Octocorallia)...
May 19, 2017: Environmental Management
https://www.readbyqxmd.com/read/28526170/body-mass-change-in-flying-homing-pigeons-externally-exposed-to-deepwater-horizon-crude-oil
#13
Cristina R Perez, John K Moye, Dave Cacela, Karen M Dean, Chris A Pritsos
The Deepwater Horizon oil spill contaminated thousands of miles of habitat valuable to hundreds of species of migratory and resident birds of the Gulf of Mexico. Many birds died as a direct result of the oil spill; however, the indirect effects of oil exposure on the flight ability and body condition of birds are difficult to assess in situ. This study utilizes the homing pigeon as a surrogate species for migratory birds to investigate the effect of multiple external oil exposures on the flight performance and body mass change of birds over a series of repeated flights from 136...
May 16, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28525868/biotransformation-of-natural-gas-and-oil-compounds-associated-with-marine-oil-discharges
#14
Odd Gunnar Brakstad, Inger K Almås, Daniel Franklin Krause
Field data from the Deepwater Horizon (DWH) oil spill in the Gulf of Mexico (GoM) suggested that oxidation of gas compounds stimulated biodegradation of oil compounds in the deep sea plume. We performed experiments with local seawater from a Norwegian fjord to examine if the presence of dissolved gas compounds (methane, ethane and propane) affected biodegradation of volatile oil compounds, and if oil compounds likewise affected gas compound oxidation. The results from the experiment showed comparable oil compound biotransformation rates in seawater at 5 °C between seawater with and without soluble gases...
May 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28524742/piqueria-trinervia-as-a-source-of-metabolites-against-giardia-intestinalis
#15
Yadira Rufino-González, Martha Ponce-Macotela, Manuel Jiménez-Estrada, Candy N Jiménez-Fragoso, Guadalupe Palencia, Gabriel Sansón-Romero, Anahi Anzo-Osorio, Mario N Martínez-Gordillo
CONTEXT: Piqueria trinervia Cav. (Asteraceae) is a plant species with a long history in traditional medicine to cure diarrhoea and other digestive disorders. OBJECTIVE: The study investigates the antigiardial activity of piquerol, trinervinol, red oil and two fractions (F1 and F2) from P. trinervia. MATERIALS AND METHODS: P. trinervia was collected in the Ajusco in Mexico City. Aerial parts were ground and mixed with water to obtain the extract, which was treated with dichloromethane to isolate piquerol and trinervinol (P & T)...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28523128/comparison-of-medicines-management-strategies-in-insurance-schemes-in-middle-income-countries-four-case-studies
#16
Warren A Kaplan, Paul G Ashigbie, Mohamad I Brooks, Veronika J Wirtz
BACKGROUND: Many middle-income countries are scaling up health insurance schemes to provide financial protection and access to affordable medicines to poor and uninsured populations. Although there is a wealth of evidence on how high income countries with mature insurance schemes manage cost-effective use of medicines, there is limited evidence on the strategies used in middle-income countries. This paper compares the medicines management strategies that four insurance schemes in middle-income countries use to improve access and cost-effective use of medicines among beneficiaries...
2017: Journal of Pharmaceutical Policy and Practice
https://www.readbyqxmd.com/read/28522997/biogeographic-comparison-of-lophelia-associated-bacterial-communities-in-the-western-atlantic-reveals-conserved-core-microbiome
#17
Christina A Kellogg, Dawn B Goldsmith, Michael A Gray
Over the last decade, publications on deep-sea corals have tripled. Most attention has been paid to Lophelia pertusa, a globally distributed scleractinian coral that creates critical three-dimensional habitat in the deep ocean. The bacterial community associated with L. pertusa has been previously described by a number of studies at sites in the Mediterranean Sea, Norwegian fjords, off Great Britain, and in the Gulf of Mexico (GOM). However, use of different methodologies prevents direct comparisons in most cases...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28522894/interventional-audiology-to-address-hearing-health-care-disparities-oyendo-bien-pilot-study
#18
REVIEW
Nicole Marrone, Maia Ingram, Maria Somoza, Daisey Sánchez Jacob, Adriana Sanchez, Stephanie Adamovich, Frances P Harris
Interventional audiology, specifically community-based outreach, can connect people with the hearing health care system. Community-based participatory research methods were applied in two phases of research to: (1) investigate the needs of families affected by hearing loss in a rural Arizona community on the U.S.-Mexico border; and (2) evaluate an outreach program on hearing health. The needs assessment included interviews with persons with hearing loss and focus groups with family members and the greater community...
May 2017: Seminars in Hearing
https://www.readbyqxmd.com/read/28520737/outdoor-spatial-spraying-against-dengue-a-false-sense-of-security-among-inhabitants-of-hermosillo-mexico
#19
Pablo A Reyes-Castro, Lucía Castro-Luque, Rolando Díaz-Caravantes, Kathleen R Walker, Mary H Hayden, Kacey C Ernst
BACKGROUND: Government-administered adulticiding is frequently conducted in response to dengue transmission worldwide. Anecdotal evidence suggests that spraying may create a "false sense of security" for residents. Our objective was to determine if there was an association between residents' reporting outdoor spatial insecticide spraying as way to prevent dengue transmission and both their reported frequency of dengue prevention practices and household entomological indices in Hermosillo, Mexico...
May 17, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28520716/expected-population-weight-and-diabetes-impact-of-the-1-peso-per-litre-tax-to-sugar-sweetened-beverages-in-mexico
#20
Tonatiuh Barrientos-Gutierrez, Rodrigo Zepeda-Tello, Eliane R Rodrigues, Arantxa Colchero-Aragonés, Rosalba Rojas-Martínez, Eduardo Lazcano-Ponce, Mauricio Hernández-Ávila, Juan Rivera-Dommarco, Rafael Meza
STUDY QUESTION: What effect on body mass index, obesity and diabetes can we expect from the 1-peso-per-litre tax to sugar sweetened beverages in Mexico? METHODS: Using recently published estimates of the reductions in beverage purchases due to the tax, we modelled its expected long-term impacts on body mass index (BMI), obesity and diabetes. Microsimulations based on a nationally representative dataset were used to estimate the impact of the tax on BMI and obesity...
2017: PloS One
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