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https://www.readbyqxmd.com/read/29785342/occurrence-of-termites-isoptera-on-living-and-standing-dead-trees-in-a-tropical-dry-forest-in-mexico
#1
Nancy Calderón-Cortés, Luis H Escalera-Vázquez, Ken Oyama
Termites play a key role as ecosystem engineers in numerous ecological processes though their role in the dynamics of wood degradation in tropical dry forests, particularly at the level of the crown canopy, has been little studied. In this study, we analysed the occurrence of termites in the forest canopy by evaluating the density and proportion of living and standing dead trees associated with termites in deciduous and riparian habitats of the tropical dry forest in Chamela, Mexico. The results indicated that 60-98% of standing dead trees and 23-59% of living trees in Chamela were associated with termites...
2018: PeerJ
https://www.readbyqxmd.com/read/29784470/immunogenicity-and-safety-of-menacwy-tt-a-meningococcal-conjugate-vaccine-co-administered-with-routine-childhood-vaccine-in-healthy-infants-a-phase-iii-randomized-study
#2
Ghassan Dbaibo, Juan Carlos Tinoco Favila, Magali Traskine, Archana Jastorff, Marie Van der Wielen
BACKGROUND: Invasive meningococcal disease has a high burden in young children, particularly during infancy. We investigated the immunogenicity and safety of a quadrivalent meningococcal conjugated vaccine (MenACWY-TT) co-administered with routine vaccines in healthy infants. METHODS: In this phase IIIb study (NCT01340898) conducted in 2 centers in Lebanon and Mexico, 750 infants were randomized (2:1:1) to receive MenACWY-TT according to 3 schedules: 3+1 (at ages 2, 4, 6 and 15-18 months; group ACWY3+1); 1+1 (at 6 and 15-18 months; group ACWY1+1) or single-dose at 15-18 months (group ACWY1)...
May 18, 2018: Vaccine
https://www.readbyqxmd.com/read/29782501/disentangling-the-complexity-of-tropical-small-scale-fisheries-dynamics-using-supervised-self-organizing-maps
#3
Manuel Mendoza-Carranza, Elisabet Ejarque, Leopold A J Nagelkerke
Tropical small-scale fisheries are typical for providing complex multivariate data, due to their diversity in fishing techniques and highly diverse species composition. In this paper we used for the first time a supervised Self-Organizing Map (xyf-SOM), to recognize and understand the internal heterogeneity of a tropical marine small-scale fishery, using as model the fishery fleet of San Pedro port, Tabasco, Mexico. We used multivariate data from commercial logbooks, including the following four factors: fish species (47), gear types (bottom longline, vertical line+shark longline and vertical line), season (cold, warm), and inter-annual variation (2007-2012)...
2018: PloS One
https://www.readbyqxmd.com/read/29781292/adaptation-of-the-contraceptive-behavior-scale-for-mexican-heterosexual-populations
#4
María Luisa Flores Arias, Jane Dimmitt Champion, Norma Elva Sáenz Soto, Vianet Nava Navarro, Lucia Caudillo Ortega
INTRODUCTION: The Contraceptive Behavior Scale requires adaptation for use by health professionals among Mexican heterosexual populations of reproductive age. METHODS: Cross-sectional, descriptive, correlational design assessed adaptation of the Contraceptive Behavior Scale. RESULTS: Six hundred Mexican men and women of reproductive age (18-35 years) were recruited from a second-level health care unit in a metropolitan area in Mexico. Exploratory factor analysis identified two factors with an explanatory variance of 69...
January 1, 2018: Hispanic Health Care International: the Official Journal of the National Association of Hispanic Nurses
https://www.readbyqxmd.com/read/29781250/low-level-aflatoxin-exposure-associated-with-greater-linear-growth-in-southern-mexico-a-longitudinal-study
#5
Jef L Leroy, Celeste Sununtnasuk, Armando García-Guerra, Jia-Sheng Wang
Aflatoxins are a group of naturally occurring mycotoxins, which can lead to death and are a known cause of hepatocellular carcinoma. AF exposure has been hypothesised to lead to stunted growth in children, but separating the AF effect from other determinants of linear growth retardation is difficult. The study used secondary data from an efficacy trial conducted in young children in southern Mexico to test the comparative efficacy of a milk-based multiple micronutrient-fortified food, a multiple micronutrient syrup, or a multiple micronutrient powder...
May 21, 2018: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/29780897/melioidosis-in-mexico-central-america-and-the-caribbean
#6
Javier I Sanchez-Villamil, Alfredo G Torres
Burkholderia pseudomallei is the causative agent of melioidosis, an endemic disease in tropical areas around the world. Cumulative human cases have demonstrated that melioidosis is prevalent and increasingly recognized in the American continent. Even though the first reports of melioidosis in Mexico, Central America, and the Caribbean Islands date back to the late 1940s, the potential of the disease as a public health concern in the region has not been fully appreciated. Unfortunately, recent studies predicting the global distribution of the disease and the demonstration of melioidosis endemicity in Puerto Rico have not increased recognition of the disease by health professionals in this region...
March 2018: Tropical Medicine and Infectious Disease
https://www.readbyqxmd.com/read/29780019/parasitic-infections-in-individuals-travelling-to-america-and-precautionary-measures
#7
Mehmet Aykur, Muhammet Karakavuk, Ayşegül Ünver, Hande Dağcı
Over the past decade, the number of international travels has increased. Hence, the risk of transmission of parasitic diseases has also increased. One of the risk infections is malaria; Plasmodium vivax and P. falciparum species can be transmitted. The distribution of leishmaniasis cases has been reported from the south of USA to the north of Argentina. Approximately 57,000 cases of cutaneous and mucocutaneous leishmaniasis occur annually, and approximately 4000 visceral leishmaniasis cases are observed. It is reported that Chagas disease is endemic in 21 countries, and approximately 6 million people are affected every year...
March 2018: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/29779546/state-legislative-approach-to-enumerating-behavioral-health-workforce-shortages-lessons-learned-in-new-mexico
#8
Deborah B Altschul, Caroline A Bonham, Martha J Faulkner, Amy W Farnbach Pearson, Jessica Reno, Wayne Lindstrom, Shelley M Alonso-Marsden, Annette Crisanti, Julie G Salvador, Richard Larson
Nationally, the behavioral health workforce is in crisis because of a lack of resources, culturally responsive services, quality clinical supervision, sufficient training in evidence-based practices, and targeted recruitment and retention. Disparities in access to behavioral health care are particularly significant in New Mexico, where 25% of the population live in rural areas, and behavioral health shortages are among the highest in the nation. Additionally, as a Medicaid expansion state, New Mexico providers experience increased demand for services at a time when the state is challenged with limited workforce capacity...
June 2018: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/29778958/building-on-common-ground-to-address-biodiversity-conflicts-and-foster-collaboration-in-environmental-management
#9
Lou Lecuyer, Rehema M White, Birgit Schmook, Sophie Calmé
Conservation biology faces critical challenges that require collaborative approaches, including novel strategies to support interactions among actors in biodiversity conflicts. The goals of this study were to investigate the concept of common ground across multiple issues and to explore its practical application for the support of environmental management. We conceptually defined common ground as the areas of relevance underlying the suite of issues expressed by people regarding environmental management in a particular context...
May 17, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29778686/methane-correction-factors-for-estimating-emissions-from-aerobic-wastewater-treatment-facilities-based-on-field-data-in-mexico-and-on-literature-review
#10
A Noyola, M G Paredes, L P Güereca, L T Molina, M Zavala
Wastewater treatment (WWT) may be an important source of methane (CH4 ), a greenhouse gas with significant global warming potential. Sources of CH4 emissions from WWT facilities can be found in the water and in the sludge process lines. Among the methodologies for estimating CH4 emissions inventories from WWT, the more adopted are the guidelines of the Intergovernmental Panel on Climate Change (IPCC), which recommends default emission factors (Tier 1) depending on WWT systems. Recent published results show that well managed treatment facilities may emit CH4 , due to dissolved CH4 in the influent wastewater; in addition, biological nutrient removal also will produce this gas in the anaerobic (or anoxic) steps...
May 17, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29778680/land-use-regression-models-to-assess-air-pollution-exposure-in-mexico-city-using-finer-spatial-and-temporal-input-parameters
#11
Yeongkwon Son, Álvaro R Osornio-Vargas, Marie S O'Neill, Perry Hystad, José L Texcalac-Sangrador, Pamela Ohman-Strickland, Qingyu Meng, Stephan Schwander
The Mexico City Metropolitan Area (MCMA) is one of the largest and most populated urban environments in the world and experiences high air pollution levels. To develop models that estimate pollutant concentrations at fine spatiotemporal scales and provide improved air pollution exposure assessments for health studies in Mexico City. We developed finer spatiotemporal land use regression (LUR) models for PM2.5 , PM10 , O3 , NO2 , CO and SO2 using mixed effect models with the Least Absolute Shrinkage and Selection Operator (LASSO)...
May 17, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29777752/chemical-profile-and-pharmacological-effects-of-the-resin-and-essential-oil-from-bursera-slechtendalii-a-medicinal-copal-tree-of-southern-mexico
#12
Nemesio Villa-Ruano, Yesenia Pacheco-Hernández, Elvia Becerra-Martínez, José Alejo Zarate-Reyes, Ramiro Cruz-Duran
This study reports on the volatile profile and pharmacological activities of the essential oil and resin from Bursera slechtendalii, an aromatic medicinal tree commercialized in southern Mexico. The essential oil contained 25 volatiles including p-cymen-8-ol (25.4-35.7%), n-hexyl hexanoate (6.8-17.6%) and n-octyl hexanoate (7.6-14.8%), whereas the crystallized resin contained 14 volatiles, including n-octyl acetate (29.6-34.2%), limonene (15.8-18.7%) and n-octyl butyrate (12.6-17-6%). The inhalation of vapors from the resin and essential oil caused a significant anxiolytic-like effect (p < ...
May 16, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29777583/predicting-phototoxicity-of-alkylated-pahs-pahs-mixtures-and-water-accommodated-fractions-of-neat-and-weathered-petroleum-with-the-phototoxic-target-lipid-model
#13
Solmaz Marzooghi, Bryson E Finch, William A Stubblefield, Dominic M Di Toro
The toxicity of petroleum can increase considerably when exposed to solar radiation. It occurs when certain components in the mixture, including polycyclic aromatic hydrocarbons (PAHs), absorb light in ultraviolet and visible portions of the solar radiation spectrum. A phototoxic target lipid model (PTLM), previously developed to predict phototoxicity of single PAHs, is validated for four species: Americamysis bahia, Rhepoxynius abronius, Daphnia magna, and Pimephales promelas exposed to 12 compounds that are components of petroleum, including alkylated PAHs and dibenzothiophene...
May 19, 2018: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/29777226/genetic-contribution-to-waist-to-hip-ratio-in-mexican-children-and-adolescents-based-on-12-loci-validated-in-european-adults
#14
Michelle Turcotte, Arkan Abadi, Jesus Peralta-Romero, Fernando Suarez, Hudson Reddon, Jaime Gomez-Zamudio, Ana I Burguete-Garcia, Miguel Cruz, David Meyre
BACKGROUND/OBJECTIVES: The prevalence of abdominal obesity in Mexican children has risen dramatically in the past decade. Genome-wide association studies (GWAS) for waist-to-hip ratio (WHR) performed predominantly in European descent adult  populations have identified multiple single-nucleotide polymorphisms (SNPs) with larger effects in women. The contribution of these SNPs to WHR in non-European children is unknown. SUBJECTS/METHODS: Mexican children and adolescents (N = 1421, 5-17 years) were recruited in Mexico City...
March 13, 2018: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29776368/comparing-risk-environments-for-hiv-among-people-who-inject-drugs-from-three-cities-in-northern-mexico
#15
Angelica Ospina-Escobar, Carlos Magis-Rodríguez, Fatima Juárez, Dan Werb, Sergio Bautista Arredondo, Rubén Carreón, María Elena Ramos, Steffanie Strathdee
BACKGROUND: A large body of research has investigated the rise of injection drug use and HIV transmission in Tijuana and Ciudad Juarez (CJ). However, little is known about the dynamics of injecting in Hermosillo. This study compares drug-related behaviors and risk environment for HIV of people who inject drugs (PWID) across Tijuana, CJ, and Hermosillo to identify factors that could explain differences in HIV prevalence. METHODS: Data from Tijuana belong to a prospective study (El Cuete IV)...
May 18, 2018: Harm Reduction Journal
https://www.readbyqxmd.com/read/29774838/rickettsia-parkeri-in-dermacentor-parumapertus-ticks-mexico
#16
Sokani Sánchez-Montes, Andrés M López-Pérez, Carmen Guzmán-Cornejo, Pablo Colunga-Salas, Ingeborg Becker, Jesús Delgado-de la Mora, Jesús D Licona-Enríquez, David Delgado-de la Mora, Sandor E Karpathy, Christopher D Paddock, Gerardo Suzán
During a study to identify zoonotic pathogens in northwestern Mexico, we detected the presence of a rickettsial agent in Dermacentor parumapertus ticks from black-tailed jackrabbits (Lepus californicus). Comparison of 4 gene sequences (gltA, htrA, ompA, and ompB) of this agent showed 99%-100% identity with sequences of Rickettsia parkeri.
June 2018: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/29774116/human-papilloma-virus-global-research-architecture-assessed-by-density-equalizing-mapping
#17
Dörthe Brüggmann, Luise Kayser, Jenny Jaque, Matthias Bundschuh, Doris Klingelhöfer, David A Groneberg
Human papilloma virus (HPV) infection is linked to cervical cancer, which represents the world's fourth most common cancer in women. So far, no detailed map of the worldwide HPV research architecture has been constructed. Hence, this study focuses on the chronological development and geographical distribution of the global HPV-specific publications and evaluates citation-based parameters as well as socioeconomic features of the publishing countries. In total, 29,330 HPV-related publications were identified...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29773637/complete-genome-sequence-of-celeribacter-baekdonensis-strain-lh4-a-thiosulfate-oxidizing-alphaproteobacterial-isolate-from-gulf-of-mexico-continental-slope-sediments
#18
Beverly E Flood, Dalton Leprich, Jake V Bailey
We report here the closed genome sequences of Celeribacter baekdonensis strain LH4 and five unnamed plasmids obtained through PacBio sequencing with 99.99% consensus concordance. The genomes contained several distinctive features not found in other published Celeribacter genomes, including the potential to aerobically degrade styrene and other phenolic compounds.
May 17, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29773615/microbial-diversity-in-commercial-bee-pollen-from-europe-chile-and-mexico-based-on-16s-rrna-gene-amplicon-metagenome-sequencing
#19
Vicente D Moreno Andrade, Carlos Saldaña Gutiérrez, Rosa P Calvillo Medina, Andrés Cruz Hérnandez, Moisés A Vázquez Cruz, Alfonso Torres Ruíz, Sergio Romero Gómez, Miguel A Ramos López, Erika Álvarez-Hidalgo, Silvia B López-Gaytan, Natanahel Salvador Ramírez, George H Jones, Jose Luis Hernandez-Flores, Juan Campos-Guillén
Bee pollen is a highly nutritive natural foodstuff. Because of its use as a comestible, the association of bacteria with bee pollen is commercially and biologically important. We report here the bacterial diversity of seven bee pollen samples (five from Europe, one from Chile, and one from Mexico) based on 16S rRNA gene amplicon metagenome sequencing.
May 17, 2018: Genome Announcements
https://www.readbyqxmd.com/read/29773419/a-changing-etiologic-scenario-in-liver-transplantation-for-hepatocellular-carcinoma-in-a-multicenter-cohort-study-from-latin-america
#20
Federico Piñero, Paulo Costa, Yuri Longatto Boteon, Sergio Hoyos Duque, Sebastian Marciano, Margarita Anders, Adriana Varón, Alina Zerega, Jaime Poniachik, Alejandro Soza, Martín Padilla Machaca, Josemaría Menéndez, Rodrigo Zapata, Mario Vilatoba, Linda Muñoz, Martín Maraschio, Luis G Podestá, Lucas McCormack, Adrian Gadano, Ilka S F Fatima Boin, Parente García, Marcelo Silva
BACKGROUND AND AIM: Non-alcoholic fatty liver disease (NAFLD) is an increasing cause of hepatocellular carcinoma (HCC) and liver transplantation (LT). Our study focused on changing trends of liver related HCC etiologies during the last years in Latin America. METHODS: From a cohort of 2761 consecutive adult LT patients between 2005 and 2012 in 17 different centers, 435 with HCC were included. Different periods including years 2005-2006, 2007-2008, 2009-2010 and 2011-2012 were considered...
May 14, 2018: Clinics and Research in Hepatology and Gastroenterology
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