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https://www.readbyqxmd.com/read/29674915/amphibians-and-reptiles-of-the-state-of-durango-mexico-with-comparisons-with-adjoining-states
#1
Julio A Lemos-Espinal, Geoffrey R Smith, Hector Gadsden-Esparza, Rosaura Valdez-Lares, Guillermo A Woolrich-Piña
A summary of the species of amphibians and reptiles of Durango, as well as their geographic distributions, habitat, and conservation status have been compiled. The herpetofauna of Durango consists of 36 species of amphibians and 120 species of reptiles. Durango shares the most species with Chihuahua (74.0%), and shares fewer species with Sinaloa (48.0%), Nayarit (48.7%), and Coahuila (48.0%). Arid-semiarid and Sierras habitat types have the most species, with valleys and Quebradas habitat types having fewer species...
2018: ZooKeys
https://www.readbyqxmd.com/read/29662676/-toxoplasma-gondii-exposure-and-epilepsy-a-matched-case-control-study-in-a-public-hospital-in-northern-mexico
#2
Cosme Alvarado-Esquivel, Yazmin Del Rosario Rico-Almochantaf, Jesús Hernández-Tinoco, Gerardo Quiñones-Canales, Luis Francisco Sánchez-Anguiano, Jorge Torres-González, Eda Guadalupe Ramírez-Valles, Andrea Minjarez-Veloz
Objectives: This study aimed to determine the association between infection with Toxoplasma gondii and epilepsy in patients attended to in a public hospital in the northern Mexican city of Durango. Methods: We performed an age- and gender-matched case-control study of 99 patients suffering from epilepsy and 99 without epilepsy. Sera of participants were analyzed for anti- T. gondii IgG and IgM antibodies using commercially available enzyme-linked immunoassays. Seropositive samples to T...
2018: SAGE Open Medicine
https://www.readbyqxmd.com/read/29662500/genetic-resources-in-the-calabaza-pipiana-squash-cucurbita-argyrosperma-in-mexico-genetic-diversity-genetic-differentiation-and-distribution-models
#3
Guillermo Sánchez-de la Vega, Gabriela Castellanos-Morales, Niza Gámez, Helena S Hernández-Rosales, Alejandra Vázquez-Lobo, Erika Aguirre-Planter, Juan P Jaramillo-Correa, Salvador Montes-Hernández, Rafael Lira-Saade, Luis E Eguiarte
Analyses of genetic variation allow understanding the origin, diversification and genetic resources of cultivated plants. Domesticated taxa and their wild relatives are ideal systems for studying genetic processes of plant domestication and their joint is important to evaluate the distribution of their genetic resources. Such is the case of the domesticated subspecies C. argyrosperma ssp. argyrosperma , known in Mexico as calabaza pipiana , and its wild relative C. argyrosperma ssp. sororia . The main aim of this study was to use molecular data (microsatellites) to assess the levels of genetic variation and genetic differentiation within and among populations of domesticated argyrosperma across its distribution in Mexico in comparison to its wild relative, sororia , and to identify environmental suitability in previously proposed centers of domestication...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29644379/cyanotrophic-and-arsenic-oxidizing-activities-of-pseudomonas-mendocina-p6115-isolated-from-mine-tailings-containing-high-cyanide-concentration
#4
Alejandra Miranda-Carrazco, Juan M Vigueras-Cortés, Lourdes Villa-Tanaca, César Hernández-Rodríguez
Mine tailings and wastewater generate man-made environments with several selective pressures, including the presence of heavy metals, arsenic and high cyanide concentrations, but severe nutritional limitations. Some oligotrophic and pioneer bacteria can colonise and grow in mine wastes containing a low concentration of organic matter and combined nitrogen sources. In this study, Pseudomonas mendocina P6115 was isolated from mine tailings in Durango, Mexico, and identified through a phylogenetic approach of 16S rRNA, gyrB, rpoB, and rpoD genes...
April 11, 2018: Archives of Microbiology
https://www.readbyqxmd.com/read/29642511/effect-of-pinocembrin-isolated-from-mexican-brown-propolis-on-diabetic-nephropathy
#5
Jessica Granados-Pineda, Norma Uribe-Uribe, Patricia García-López, María Del Pilar Ramos-Godinez, J Fausto Rivero-Cruz, Jazmin Marlen Pérez-Rojas
Propolis is a resinous beehive product that has been used worldwide in traditional medicine to prevent and treat colds, wounds, rheumatism, heart disease and diabetes. Diabetic nephropathy is the final stage of renal complications caused by diabetes and for its treatment there are few alternatives. The present study aimed to determine the chemical composition of three propolis samples collected in Chihuahua, Durango and Zacatecas and to evaluate the effect of pinocembrin in a model of diabetic nephropathy in vivo...
April 9, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29508644/quantitative-identification-of-the-annealing-degree-of-apatite-fission-tracks-using-terahertz-time-domain-spectroscopy-thz-tds
#6
Hang Wu, Shixiang Wu, Nansheng Qiu, Jian Chang, Rima Bao, Xin Zhang, Nian Liu, Shuai Liu
Apatite fission-track (AFT) analysis, a widely used low-temperature thermochronology method, can provide details of the hydrocarbon generation history of source rocks for use in hydrocarbon exploration. The AFT method is based on the annealing behavior of fission tracks generated by 238 U fission in apatite particles during geological history. Due to the cumbersome experimental steps and high expense, it is imperative to find an efficient and inexpensive technique to determinate the annealing degree of AFT...
January 1, 2018: Applied Spectroscopy
https://www.readbyqxmd.com/read/29505640/genetic-architecture-of-dietary-fiber-and-oligosaccharide-content-in-a-middle-american-panel-of-edible-dry-bean
#7
Samira Mafi Moghaddam, Mark A Brick, Dimas Echeverria, Henry J Thompson, Leslie A Brick, Rian Lee, Sujan Mamidi, Phillip E McClean
Common bean ( L.) is the most consumed edible grain legume worldwide and contains a wide range of nutrients for human health including dietary fiber. Diets high in beans are associated with lower rates of chronic diseases such as obesity and type 2 diabetes, and the content of dietary fibers varies among different market classes of dry bean. In this study, we evaluated the dietary fiber content in a Middle American diversity panel (MDP) of common bean and evaluated the genetic architecture of the various dietary fiber components...
March 2018: Plant Genome
https://www.readbyqxmd.com/read/29451888/ecogeography-of-teosinte
#8
José de Jesús Sánchez González, José Ariel Ruiz Corral, Guillermo Medina García, Gabriela Ramírez Ojeda, Lino De la Cruz Larios, James Brendan Holland, Roberto Miranda Medrano, Giovanni Emmanuel García Romero
Adaptation of crops to climate change has motivated an increasing interest in the potential value of novel traits from wild species; maize wild relatives, the teosintes, harbor traits that may be useful to maize breeding. To study the ecogeographic distribution of teosinte we constructed a robust database of 2363 teosinte occurrences from published sources for the period 1842-2016. A geographical information system integrating 216 environmental variables was created for Mexico and Central America and was used to characterize the environment of each teosinte occurrence site...
2018: PloS One
https://www.readbyqxmd.com/read/29403503/assessing-the-importance-of-domestic-vaccine-manufacturing-centers-an-overview-of-immunization-programs-vaccine-manufacture-and-distribution
#9
REVIEW
Emma Rey-Jurado, Felipe Tapia, Natalia Muñoz-Durango, Margarita K Lay, Leandro J Carreño, Claudia A Riedel, Susan M Bueno, Yvonne Genzel, Alexis M Kalergis
Vaccines have significantly reduced the detrimental effects of numerous human infectious diseases worldwide, helped to reduce drastically child mortality rates and even achieved eradication of major pathogens, such as smallpox. These achievements have been possible due to a dedicated effort for vaccine research and development, as well as an effective transfer of these vaccines to public health care systems globally. Either public or private institutions have committed to developing and manufacturing vaccines for local or international population supply...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29238431/-toxoplasma-gondii-infection-and-headache-a-matched-case-control-study-in-a-public-hospital-in-durango-city-mexico
#10
Cosme Alvarado-Esquivel, Yazmin Del Rosario Rico-Almochantaf, Luis Francisco Sanchez-Anguiano, Gerardo Quinones-Canales, Jesus Hernandez-Tinoco, Jorge Torres-Gonzalez, Maria Felix Gonzalez-Silva, Eda Guadalupe Ramirez-Valles
Background: Toxoplasma gondii ( T. gondii ) can disseminate to brain in infected hosts. Little is known about the magnitude of the association between this infection and headache. Therefore, we sought to determine the association of T. gondii seropositivity and headache in patients attending neurological consultations in a public hospital in Durango City, Mexico. Methods: Through an age- and gender-matched case-control study, 105 patients suffering from headache and 105 subjects without headache were examined for anti- T...
January 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29195136/oxidized-ldl-triggers-changes-in-oxidative-stress-and-inflammatory-biomarkers-in-human-macrophages
#11
Oscar J Lara-Guzmán, Ángel Gil-Izquierdo, Sonia Medina, Edison Osorio, Rafael Álvarez-Quintero, Natalia Zuluaga, Camille Oger, Jean-Marie Galano, Thierry Durand, Katalina Muñoz-Durango
Oxidized low-density lipoprotein (oxLDL) is a well-recognized proatherogenic particle that functions in atherosclerosis. In this study, we established conditions to generate human oxLDL, characterized according to the grade of lipid and protein oxidation, particle size and oxylipin content. The induction effect of the cellular proatherogenic response was assessed in foam cells by using an oxLDL-macrophage interaction model. Uptake of oxLDL, reactive oxygen species production and expression of oxLDL receptors (CD36, SR-A and LOX-1) were significantly increased in THP-1 macrophages...
May 2018: Redox Biology
https://www.readbyqxmd.com/read/29156547/knowledge-and-practices-of-toxoplasmosis-among-clinical-laboratory-professionals-a-cross-sectional-study-in-durango-mexico
#12
Cosme Alvarado-Esquivel, Luis Francisco Sánchez-Anguiano, Luis Omar Berumen-Segovia, Jesús Hernández-Tinoco, Yazmin Del Rosario Rico-Almochantaf, Alfredo Cisneros-Camacho, Jorge Arturo Cisneros-Martínez
Background : The aim of this study was to determine the level of knowledge and practices about toxoplasmosis in a sample of clinical laboratory professionals in Mexico. Methods : 192 clinical laboratory professionals were surveyed. They were asked about (1) Toxoplasma gondii ; (2) clinical manifestations, diagnosis, treatment, and epidemiology of toxoplasmosis; and (3) their practices with respect to toxoplasmosis. Results : The range of animals infected by T. gondii was known by 44.8% of participants. Clinical aspects of toxoplasmosis were known by up to 44...
November 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/29074979/in-situ-tem-observation-of-alpha-particle-induced-annealing-of-radiation-damage-in-durango-apatite
#13
Weixing Li, Yahui Shen, Yueqing Zhou, Shuai Nan, Chien-Hung Chen, Rodney C Ewing
A major issue in thermochronology and U-Th-Pb dating is the effect of radiation damage, created by α-recoils from α-decay events, on the diffusion of radiogenic elements (e.g., He and Pb) in host mineral. Up until now, thermal events have been considered as the only source of energy for the recovery of radiation-damage. However, irradiation, such as from the α-particle of the α-decay event, can itself induce damage recovery. Quantification of radiation-induced recovery caused by α-particles during α-decay events has not been possible, as the recovery process at the atomic-scale has been difficult to observe...
October 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29053351/cadmium-accumulation-and-main-rhizosphere-characteristics-of-seven-french-marigold-tagetes-patula-l-cultivars
#14
Ruilian Sun, Qianqian Sun, Renqing Wang, Lidong Cao
The study was conducted to determine Cd accumulation and Cd fraction in the rhizosphere soil of seven Tagetes patula cultivars (Little Hero Orange, Durango Yellow, Janie Yellow Bright, Lucifer Yellow, Hero Flame, Hongyun Red, Konghuang Yellow). T. patula cultivars showed strong tolerance and accumulation to Cd. The highest Cd concentration (273.77 mg kg(-1)) in shoots was observed in Little Hero Orange when treated with Cd100. For most cultivars, Cd treatments significantly affected rhizosphere pH values, but had a slight effect on dissolved organic carbon (DOC)...
October 20, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/29034112/lack-of-association-between-cytomegalovirus-infection-and-hypertensive-disorders-in-pregnancy-a-case-control-study-in-durango-mexico
#15
Cosme Alvarado-Esquivel, Ada A Sandoval-Carrillo, Fernando Vazquez-Alaniz, José M Salas-Pacheco, Jesús Hernández-Tinoco, Luis Francisco Sánchez-Anguiano, Elizabeth Irasema Antuna-Salcido
It is not clear whether infection with cytomegalovirus (CMV) is associated with hypertensive disorders in pregnant women. Through a case-control study design, 146 women suffering from hypertensive disorders in pregnancy (cases) and 146 age-matched normotensive pregnant women (controls) were examined for the presence of anti-CMV IgG and IgM antibodies with enzyme-linked immunoassays. IgM seropositive samples were further assayed by enzyme-linked fluorescent assay (ELFA). Anti-CMV IgG antibodies were found in 138 (94...
September 2017: European Journal of Microbiology & Immunology
https://www.readbyqxmd.com/read/28922899/the-current-status-of-the-distribution-range-of-the-western-pine-beetle-dendroctonus-brevicomis-curculionidae-solytinae-in-northern-mexico
#16
O Valerio-Mendoza, F Armendáriz-Toledano, G Cuéllar-Rodríguez, José F Negrón, G Zúñiga
The distribution range of the western pine beetle Dendroctonus brevicomis LeConte (Coleoptera: Curculionidae) is supported only by scattered records in the northern parts of Mexico, suggesting that its populations may be marginal and rare in this region. In this study, we review the geographical distribution of D. brevicomis in northern Mexico and perform a geometric morphometric analysis of seminal rod shape to evaluate its reliability for identifying this species with respect to other members of the Dendroctonus frontalis Zimmermann (Coleoptera: Curculionidae) complex...
September 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28914975/seroepidemiology-of-hepatitis-e-virus-infection-in-pigs-in-durango-state-mexico
#17
Cosme Alvarado-Esquivel, Luis F Sánchez-Anguiano, Jesús Hernández-Tinoco, Ángel O Alvarado-Félix
No information about hepatitis E virus (HEV) infection in pigs in the northern Mexican state of Durango exists. We determined the seroprevalence and correlates of anti-HEV IgG antibodies in pigs in Durango, Mexico. Through a cross-sectional study, we studied 427 pigs raised in backyards (n = 328), or slaughtered (n = 99) in Durango. Sera of pigs were analyzed for anti-HEV IgG antibodies using a commercially available enzyme-linked immunoassay. Antibodies to HEV were found in 193 (45.2%) of the 427 pigs studied...
February 2018: Journal of Medical Virology
https://www.readbyqxmd.com/read/28873029/cyp450-genotype-phenotype-concordance-in-mexican-amerindian-indigenous-populations-where-to-from-here-for-global-precision-medicine
#18
Fernando de Andrés, Martha Sosa-Macías, Blanca Patricia Lazalde Ramos, María-Eugenia G Naranjo, Adrián LLerena
Global precision medicine demands characterization of drug metabolism and phenotype variation in diverse populations, including the indigenous societies. A related question is the extent to which CYP450 drug metabolizing enzyme genotype and phenotype data are concordant and whether they can be used interchangeably. These issues are increasingly debated as precision medicine continues to expand as a popular research topic worldwide. We report here the first study in clinically relevant CYP450 drug metabolism phenotypes and genotypes in Mexican Amerindian indigenous subjects...
September 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28820342/expected-years-of-life-lost-through-road-traffic-injuries-in-mexico
#19
Efrén Murillo-Zamora, Oliver Mendoza-Cano, Benjamín Trujillo-Hernández, José Guzmán-Esquivel, Alfredo Medina-González, Miguel Huerta, Ramón Alberto Sánchez-Piña, Agustin Lugo-Radillo
BACKGROUND: Road traffic injuries (RTIs) are a leading cause of premature mortality, mainly in low- and middle-income countries Objective: To estimate the 2014 burden of RTIs in Mexico calculating years of life lost (YLL) and age-standardized YLL rates (ASYLL), and to evaluate sex, age, and region-related differences in premature mortality. METHODS: Mortality data were obtained from the National Institute of Statistics and Geography and 14,637 deaths of individuals 15 years of age and older were analyzed...
2017: Global Health Action
https://www.readbyqxmd.com/read/28811857/concordance-of-toxoplasma-gondii-infection-markers-among-heterosexual-couples
#20
Cosme Alvarado-Esquivel, Sandy Janet Pacheco-Vega, Jesus Hernandez-Tinoco, Luis Omar Berumen-Segovia, Luis Francisco Sanchez-Anguiano, Sergio Estrada-Martinez, Ada Agustina Sandoval-Carrillo, Jose Manuel Salas-Pacheco, Elizabeth Irasema Antuna-Salcido
BACKGROUND: Very little is known about concordance of Toxoplasma gondii (T. gondii) infection markers among couples. Through a cross-sectional study, we sought to determine the correlation of T. gondii infection in a sample of 119 heterosexual couples in Durango State, Mexico. METHODS: Participants were examined for the presence of anti-T. gondii IgG and IgM antibodies using enzyme-linked immunoassays. IgG and IgM seropositive couples were further analyzed for the presence of T...
September 2017: Journal of Clinical Medicine Research
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