A5085954959- Regional Development and Innovation
- Latin American Urban Studies
- Aging, Health, and Disability
- Water Resource Management and Quality
- Health and Medical Education
- Nursing care and research
- Legume Nitrogen Fixing Symbiosis
- Plant nutrient uptake and metabolism
- Mexican Socioeconomic and Environmental Dynamics
- Health, Nursing, Elderly Care
- Coastal wetland ecosystem dynamics
- Health and Lifestyle Studies
- Social Issues and Sustainability
- Eosinophilic Esophagitis
- Administrative Law and Governance
- Social Sciences and Policies
- Business, Innovation, and Economy
- Latin American rural development
- Health Education and Validation
- Dermatology and Skin Diseases
- Environmental and Cultural Studies in Latin America and Beyond
- Diverse Applied Research Studies
- Polyamine Metabolism and Applications
- Finance, Taxation, and Governance
- Inflammatory Bowel Disease
Hospital Universitario Río Hortega
2024
Universidad Autónoma del Estado de México
2006-2018
Universidad Autónoma Metropolitana
2010-2015
Universidad Nacional Autónoma de México
1986-1996
The University of Texas Health Science Center at San Antonio
1996
Centro de Ingeniería Genética y Biotecnología
1989
The study of the biosynthesis alginate, exopolysaccharide produced by Azotobacter vinelandii and Pseudomonas aeruginosa, has biotechnological medical significance. We report here identification A. genes coding for putative sigma factor AlgU its negative regulators MucA MucB through suppression highly mucoid phenotype an strain a plasmid encoding MucB. sequences algU, mucA, mucB are homologous to those corresponding P. aeruginosa genes, shows 93% identity, 64.4 63.9% identical, respectively....
Different structural changes of the Sym plasmid were found in a Rhizobium phaseoli strain that loses its symbiotic phenotype at high frequency. These rearrangements affected both nif genes and Tn5 mob insertions plasmid, some cases they modified expression bacterium's nodulation ability. One was more frequent heat-treated cells, but also under standard culture conditions; other appeared to be related conjugal transfer plasmid.
The purpose of this article is to provide an overview nursing research in Latin America during the decade from 1988 1998. Data bi-annual Pan American Colloquia Nursing Research 1998 were subject secondary analysis. Findings indicate that most emanated Brazil, only country with a doctoral program 1990's. topics included: public health issues, clinical studies (usually adults), care process, therapeutic communication, and administrative issues such as standards quality. common design was...
Esta investigación tiene como objetivo presentar un esquema metodológico para la evaluación de habitabilidad los espacios públicos del centro histórico Toluca, empleando parámetros “universales” enfocados en adultos mayores y usuarios sillas ruedas principalmente. Se evaluó accesibilidad peatonal mediante el paso entre calles, facilidad caminar por conectividad percepción inseguridad ante delincuencia ruido ambiental dB(A). realizaron mediciones in situ, con imágenes satelitales encuestas a...
La parte oriente de la Zona Metropolitana Toluca, integrada por los munici-pios Lerma, Metepec, Ocoyoacac y San Mateo Atenco, en las últimas décadas ha presentado una significativa expansión urbana cambios uo suelo. El objetivo del trabajo fue realizar evaluación demográfia uso suelo durante el período 1980 a 2017. Por ello, se recopiló información carto-gráfica para análisis dinámica poblacional, consultaon censos Instituto Nacional Estadística Geografía. Para elaborar cartografía 1984...
We report here the formation of symbiotic plasmids (pSyms), by genetic recombination between rearranged pSyms, which lack information, and resistance carrying parts different (R's). This was found to occur both derived from Rhizobium phaseoli isolates, strains obtained same original isolate. also present evidence on a functional plasmid an R', nif nod genes strain CFN42, indigenous in this (pCFN42e), thought be unrelated its (pCFN42d). These data are discussed with respect stability transfer...
El objetivo del trabajo es determinar el impacto de las estrategias vigilancia y promoción desarrollo niño menor 3 años edad sobre la estimulación en hogar. Es un estudio observacional, comparativo, transversal, prospectivo, realizado a una población niños niñas menores edad, sus respectivas madres o cuidadores principales residentes colonia delegación iztapalapa, expuestos al programa crianza saludables, seleccionados través muestreo simple por cuotas. Al contrastar grupo con control, se...
The symbiotic plasmid of Rhizobium leguminosarum biovar phaseoli strain CFN23 has been previously shown to undergo a series genetic rearrangements that modify the bacterial phenotype. A hyper-recombinant derivative was isolated. This (strain CFN2300) similar phenotype reported for Escherichia coli mutants defective in DNA metabolism. frequency deletion is increased CFN2300 background, suggesting homologous recombination involved generation this rearrangement.
Summary Rhizobium leguminosarum biovar phaseol CFN23 loses its ability to nodulate beans at a high frequency because of deletion part symbiotic (pSym) plasmid (Soberón‐Chávez et al., 1986). We report here that least 80kb pSym are deleted upon loss the phenotype; removes nitrogenase structural nifHDK and common nod ABC genes. The size is not reduced, since it accompanied by an amplification other sequences. This genetic rearrangement similar yeast mitochondrial DNA leading to‘petite’mutations.