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https://www.readbyqxmd.com/read/28303142/nitrogen-use-efficiency-of-coffee-at-the-vegetative-stage-as-influenced-by-fertilizer-application-method
#1
Alveiro Salamanca-Jimenez, Timothy A Doane, William R Horwath
Nitrogen (N) is the most limiting nutrient for coffee production in Colombia. An adequate supply is especially important during the vegetative period of growth, since any deficiency during this short period is known to have lasting effects on subsequent coffee bean production. Urea fertilizer is commonly applied on the soil surface since steep slopes hamper incorporation into soil, a practice which increases the risk of N volatilization. Little information is available on N recovery during early growth stages under different fertilizer application practices...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28296952/fatness-mediates-the-influence-of-muscular-fitness-on-metabolic-syndrome-in-colombian-collegiate-students
#2
Antonio García-Hermoso, Hugo Alejandro Carrillo, Katherine González-Ruíz, Andrés Vivas, Héctor Reynaldo Triana-Reina, Javier Martínez-Torres, Daniel Humberto Prieto-Benavidez, Jorge Enrique Correa-Bautista, Jeison Alexander Ramos-Sepúlveda, Emilio Villa-González, Mark D Peterson, Robinson Ramírez-Vélez
The purpose of this study was two-fold: to analyze the association between muscular fitness (MF) and clustering of metabolic syndrome (MetS) components, and to determine if fatness parameters mediate the association between MF and MetS clustering in Colombian collegiate students. This cross-sectional study included a total of 886 (51.9% women) healthy collegiate students (21.4 ± 3.3 years old). Standing broad jump and isometric handgrip dynamometry were used as indicators of lower and upper body MF, respectively...
2017: PloS One
https://www.readbyqxmd.com/read/28293542/whole-genome-sequence-and-phylogenetic-analysis-show-helicobacter-pylori-strains-from-latin-america-have-followed-a-unique-evolution-pathway
#3
Zilia Y Muñoz-Ramírez, Alfonso Mendez-Tenorio, Ikuko Kato, Maria M Bravo, Cosmeri Rizzato, Kaisa Thorell, Roberto Torres, Francisco Aviles-Jimenez, Margarita Camorlinga, Federico Canzian, Javier Torres
Helicobacter pylori (HP) genetics may determine its clinical outcomes. Despite high prevalence of HP infection in Latin America (LA), there have been no phylogenetic studies in the region. We aimed to understand the structure of HP populations in LA mestizo individuals, where gastric cancer incidence remains high. The genome of 107 HP strains from Mexico, Nicaragua and Colombia were analyzed with 59 publicly available worldwide genomes. To study bacterial relationship on whole genome level we propose a virtual hybridization technique using thousands of high-entropy 13 bp DNA probes to generate fingerprints...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28293042/polymorphisms-of-the-lipoprotein-lipase-gene-as-genetic-markers-for-stroke-in-colombian-population-a-case-control-study
#4
Leydi Carolina Velásquez Pereira, Clara Inés Vargas Castellanos, Federico Arturo Silva Sieger
OBJECTIVE: To analyze if there is an association between the presence of polymorphisms in the LPL gene (rs320, rs285 and rs328) with development of acute ischemic stroke in Colombian population. METHODS: In a case control design, 133 acute ischemic stroke patients (clinical diagnosis and x-ray CT) and 269 subjects without stroke as controls were studied. PCR -RFLP technique was used to detect rs320, rs285 and rs328 polymorphisms in the LPL gene. RESULTS: In the present research was not found any association between any of the LPL gene polymorphism and acute ischemic stroke in the population studied; the allele and genotypic frequencies of the studied polymorphisms were similar in cases and controls and followed the Hardy-Weinberg equilibrium...
December 30, 2016: Colombia Médica: CM
https://www.readbyqxmd.com/read/28286017/tungiasis-in-a-colombian-patient
#5
Claudia J Díaz, Kevin Escandón-Vargas
No abstract text is available yet for this article.
March 9, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28284847/a-survey-on-some-biochemical-and-pharmacological-activities-of-duvernoy-s-gland-secretions-from-two-colombian-colubrid-snakes-erythrolamprus-bizona-double-banded-coral-snake-mimic-and-pseudoboa-neuwiedii-neuwied-s-false-boa
#6
Kristian A Torres-Bonilla, Rafael S Floriano, Raphael Schezaro-Ramos, Léa Rodrigues-Simioni, Maria Alice da Cruz-Höfling
Colombian colubrid snake venoms have been poorly studied. They represent a great resource of biological, ecological, toxinological and pharmacological research. We assessed some enzymatic properties and neuromuscular effects of Erythrolamprus bizona and Pseudoboa neuwiedii venoms from Colombia. Proteolytic, amidolytic and phospholipase A2 (PLA2) activities were analyzed using colorimetric assays and the neuromuscular activity was analyzed in chick biventer cervicis (BC) preparations. The venom of both species showed very low PLA2 and amidolytic activities; however, both exhibited high proteolytic activity, which in E...
March 8, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28270802/molecular-epidemiology-of-giardia-blastocystis-and-cryptosporidium-among-indigenous-children-from-the-colombian-amazon-basin
#7
Angie Sánchez, Marina Munoz, Natalia Gómez, Juan Tabares, Laura Segura, Ángela Salazar, Cristian Restrepo, Miguel Ruíz, Patricia Reyes, Yuchen Qian, Lihua Xiao, Myriam C López, Juan D Ramírez
The incidence and prevalence of intestinal parasites in children is most likely due to lack of natural or acquired resistance and differences in behavior and habits closely related to environmental and socioeconomic determinants. The most important protozoa that parasitize humans are Giardia, Entamoeba, Blastocystis, and Cryptosporidium. These parasites present wide intraspecific genetic diversity and subsequently classified into assemblages and subtypes. The Amazon basin is the largest in the world and is the fifth freshwater reserve on the planet...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28270174/aerobic-capacity-and-future-cardiovascular-risk-in-indian-community-from-a-low-income-area-in-cauca-colombia
#8
Robinson Ramírez-Vélez, Jorge Enrique Correa-Bautista, Jeison Alexander Ramos-Sepúlveda, Carlos Andrés Piñeros-Álvarez, Lorena Isabel Giraldo, Mikel Izquierdo, Antonio García-Hermoso, Fernando Rodríguez-Rodríguez, Carlos Cristi-Montero
BACKGROUND: Several studies indicates that children's aerobic capacity levels are predictors of the future risk of non-communicable diseases. Therefore, the aim of this study was to establish the proportion of subjects whose aerobic capacity is indicative of future cardiovascular risk in Indian-Nasa community from a low-income area in Cauca, Colombia. METHODS: We performed a cross-sectional analysis of morphological component (height, weight, body mass index (BMI), waist circumference, triceps skinfold, subscapular skinfold, and body fat percent [BF%]), and the cardiorespiratory component (course-navette 20 m, shuttle run test and estimation of maximal oxygen consumption by indirect VO2max) from 576 participants (319 boys and 257 girls) aged 10 to 17...
March 7, 2017: Italian Journal of Pediatrics
https://www.readbyqxmd.com/read/28264459/a-cross-sectional-study-of-the-prevalence-of-metabolic-syndrome-and-associated-factors-in-colombian-collegiate-students-the-fuprecol-adults-study
#9
Javier Martínez-Torres, Jorge Enrique Correa-Bautista, Katherine González-Ruíz, Andrés Vivas, Héctor Reynaldo Triana-Reina, Daniel Humberto Prieto-Benavidez, Hugo Alejandro Carrillo, Jeison Alexander Ramos-Sepúlveda, Emilio Villa-González, Antonio García-Hermoso, Robinson Ramírez-Vélez
Metabolic syndrome (MetS) is one of the major public health problems worldwide. The objective of the present study is to investigate the prevalence and the associated variables of MetS in Colombian collegiate students. This cross-sectional study included a total of 890 (52% women) healthy collegiate students (21.3 ± 3.2 years old). The prevalence of MetS was determined by the definition provided by the International Diabetes Federation (IDF). We further examined associations between the prevalence of MetS and related factors, such as age, gender, anthropometric and body composition, weight status, and nutrition profile...
February 27, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28257509/genetic-diversity-and-association-mapping-in-the-colombian-central-collection-of-solanum-tuberosum-l-andigenum-group-using-snps-markers
#10
Jhon Berdugo-Cely, Raúl Iván Valbuena, Erika Sánchez-Betancourt, Luz Stella Barrero, Roxana Yockteng
The potato (Solanum tuberosum L.) is the fourth most important crop food in the world and Colombia has one of the most important collections of potato germplasm in the world (the Colombian Central Collection-CCC). Little is known about its potential as a source of genetic diversity for molecular breeding programs. In this study, we analyzed 809 Andigenum group accessions from the CCC using 5968 SNPs to determine: 1) the genetic diversity and population structure of the Andigenum germplasm and 2) the usefulness of this collection to map qualitative traits across the potato genome...
2017: PloS One
https://www.readbyqxmd.com/read/28255305/xeroderma-pigmentosum-with-severe-neurological-manifestations-de-sanctis-cacchione-syndrome-and-a-novel-xpc-mutation
#11
Esteban Uribe-Bojanini, Sara Hernandez-Quiceno, Alicia María Cock-Rada
Several genetic disorders caused by defective nucleotide excision repair that affect the skin and the nervous system have been described, including Xeroderma Pigmentosum (XP), De Sanctis-Cacchione syndrome (DSC), Cockayne syndrome, and Trichothiodystrophy. Cutaneous photosensitivity with an increased risk of skin malignancy is a common feature of these disorders, but clinical manifestations commonly overlap these syndromes. Several genes have been found to be altered in these pathologies, but we lack more genotype-phenotype correlations in order to make an accurate diagnosis...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28241782/molecular-detection-and-identification-of-wolbachia-in-three-species-of-the-genus-lutzomyia-on-the-colombian-caribbean-coast
#12
Rafael José Vivero, Gloria Cadavid-Restrepo, Claudia Ximena Moreno Herrera, Sandra I Uribe Soto
BACKGROUND: The hematophagous habits of insects belonging to the genus Lutzomyia (Diptera: Psychodidae), as well as their role as biological vectors of Leishmania species, make their presence an indication of infection risk. In the present study, seven species of Lutzomyia were identified and screened for natural infections with Wolbachia. METHODS: Collection of sand flies was done in an endemic focus of leishmaniasis on the Colombian Caribbean coast (Department of Sucre, Ovejas municipality)...
February 28, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28235603/val158met-polymorphism-in-the-comt-gene-is-associated-with-hypersomnia-and-mental-health-related-quality-of-life-in-a-colombian-sample
#13
Karen M Jiménez, Angela J Pereira-Morales, Diego A Forero
The identification of genes that are risk factors for major depressive disorder remains a main task for global psychiatric research. The Catechol-O-methyltransferase (COMT) gene has been an important candidate risk factor for several psychiatric disorders. Previous studies have shown that a functional polymorphism (Val158Met) in this gene has an effect on several brain circuits and endophenotypes of psychiatric relevance. The aim of this study was to explore the association of a functional polymorphism in the COMT gene with psychological distress, sleep problems and health-related quality of life...
February 22, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28231161/food-leftover-practices-among-consumers-in-selected-countries-in-europe-south-and-north-america
#14
Kadri Koppel, Federica Higa, Sandria Godwin, Nelson Gutierrez, Roman Shalimov, Paula Cardinal, Brizio Di Donfrancesco, Miriam Sosa, Angel A Carbonell-Barrachina, Loreida Timberg, Edgar Chambers
Foodborne illnesses may be related to many food production factors with home practices of consumers playing an important role in food safety. Consumer behavior for handling food leftovers has been studied, however little work on comparisons among countries has been published. The objective of this study was to investigate home food leftover practices of people from North American, South American, and European countries. Surveys were conducted with approximately 100 or more consumers in Argentina, Colombia, the United States, Estonia, Italy, Russia, and Spain...
September 21, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28229354/genetic-differentiation-of-colombian-populations-of-anopheles-darlingi-root-diptera-culicidae
#15
C Y Rosero, G I Jaramillo, R Gonzalez, H Cardenas
Anopheles darlingi Root is a primary vector of malaria in the neotropic region, a species not just highly anthropophilic but very efficient in transmitting Plasmodium species and considered the most important vector in the Amazon region. The main goal of this study was to determine the genetic structure of the A. darlingi populations using microsatellites (STR) in western and eastern regions of Colombia. DNA extraction was done with the cited protocol of band using the Genomic Prep™ cell and tissue isolation commercial kits...
February 23, 2017: Neotropical Entomology
https://www.readbyqxmd.com/read/28225766/marine-actinobacteria-as-a-source-of-compounds-for-phytopathogen-control-an-integrative-metabolic-profiling-bioactivity-and-taxonomical-approach
#16
Luz A Betancur, Sandra J Naranjo-Gaybor, Diana M Vinchira-Villarraga, Nubia C Moreno-Sarmiento, Luis A Maldonado, Zulma R Suarez-Moreno, Alejandro Acosta-González, Gillermo F Padilla-Gonzalez, Mónica Puyana, Leonardo Castellanos, Freddy A Ramos
Marine bacteria are considered as promising sources for the discovery of novel biologically active compounds. In this study, samples of sediment, invertebrate and algae were collected from the Providencia and Santa Catalina coral reef (Colombian Caribbean Sea) with the aim of isolating Actinobateria-like strain able to produce antimicrobial and quorum quenching compounds against pathogens. Several approaches were used to select actinobacterial isolates, obtaining 203 strains from all samples. According to their 16S rRNA gene sequencing, a total of 24 strains was classified within Actinobacteria represented by three genera: Streptomyces, Micromonospora, and Gordonia...
2017: PloS One
https://www.readbyqxmd.com/read/28223724/genomic-variability-of-helicobacter-pylori-isolates-of-gastric-regions-from-two-colombian-populations
#17
Andrés Jenuer Matta, Alvaro Jairo Pazos, Javier Andrés Bustamante-Rengifo, Luis Eduardo Bravo
AIM: To compare the genomic variability and the multiple colonization of Helicobacter pylori (H. pylori) in patients with chronic gastritis from two Colombian populations with contrast in the risk of developing gastric cancer (GC): Túquerres-Nariño (High risk) and Tumaco-Nariño (Low risk). METHODS: Four hundred and nine patients from both genders with dyspeptic symptoms were studied. Seventy-two patients were included in whom H. pylori was isolated from three anatomic regions of the gastric mucosa, (31/206) of the high risk population of GC (Túquerres) and (41/203) of the low risk population of GC (Tumaco)...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28209815/whole-genome-sequence-of-a-colombian-acinetobacter-baumannii-strain-a-coproducer-of-oxa-72-and-oxa-255-like-carbapenemases
#18
Sandra Yamile Saavedra, Diego Prada-Cardozo, Verónica Rincón, Hermes Pérez-Cardona, Andrea Melissa Hidalgo, María Nilse González, María T Reguero, Emilia M Valenzuela de Silva, José R Mantilla, Laurent Falquet, Emiliano Barreto-Hernández, Carolina Duarte
Colombian Acinetobacter baumannii strain ST920 was isolated from the sputum of a 68-year-old male patient. This isolate possessed blaOXA-72 and blaOXA-255-like genes. The assembled genome contained 4,104,098 pb and 38.79% G+C content. This is the first case reported of the coproduction (blaOXA-72 and blaOXA-255-like) of carbapenem-hydrolyzing class D β-lactamases (CHDLs) in Acinetobacter baumannii.
February 16, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28209436/is-colombia-reaching-the-goals-on-infant-immunization-coverage-a-quantitative-survey-from-80-municipalities
#19
Javier Narváez, May Bibiana Osorio, Carlos Castañeda-Orjuela, Nelson Alvis Zakzuk, Natalia Cediel, Luz Ángela Chocontá-Piraquive, Fernando de La Hoz-Restrepo
OBJECTIVES: This study aimed to evaluate the coverage of the Colombian Expanded Program on Immunization among children less than 6years old, to evaluate the timeliness of immunization, to assess the coverage of newly introduced vaccines, and to identify factors associated with lack of immunization. METHODS: We conducted a cross-sectional survey in 80 municipalities of Colombia, using a two-stage cluster random sampling. We attempted to contact all children less than 6years old living in the sampled blocks, and asked their caregivers to provide immunization record cards...
February 13, 2017: Vaccine
https://www.readbyqxmd.com/read/28204924/genome-wide-analysis-of-transposable-elements-in-the-coffee-berry-borer-hypothenemus-hampei-coleoptera-curculionidae-description-of-novel-families
#20
Eric M Hernandez-Hernandez, Rita Daniela Fernández-Medina, Lucio Navarro-Escalante, Jonathan Nuñez, Pablo Benavides-Machado, Claudia M A Carareto
The coffee berry borer (CBB) Hypothenemus hampei is the most limiting pest of coffee production worldwide. The CBB genome has been recently sequenced; however, information regarding the presence and characteristics of transposable elements (TEs) was not provided. Using systematic searching strategies based on both de novo and homology-based approaches, we present a library of TEs from the draft genome of CBB sequenced by the Colombian Coffee Growers Federation. The library consists of 880 sequences classified as 66% Class I (LTRs: 46%, non-LTRs: 20%) and 34% Class II (DNA transposons: 8%, Helitrons: 16% and MITEs: 10%) elements, including families of the three main LTR (Gypsy, Bel-Pao and Copia) and non-LTR (CR1, Daphne, I/Nimb, Jockey, Kiri, R1, R2 and R4) clades and DNA superfamilies (Tc1-mariner, hAT, Merlin, P, PIF-Harbinger, PiggyBac and Helitron)...
February 15, 2017: Molecular Genetics and Genomics: MGG
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