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  1. 8581

    Análisis de factores de virulencia en aislamientos de Clostridium difficile de dos hospitales de tercer nivel de México. by Martínez Meléndez, Julio Adrián

    Published 2018
    “…ABSTRACT Clostridium difficile is a Gram positive, spore-producing, strict anaerobic bacterium and is the most common infectious cause of health-care associated diarrhea. …”
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  2. 8582

    Predicción in silico de los dominios estructurales de las toxinas de PS2Aa1 y PS4Aa1 implicados en el modo de acción hacia células humanas anormales. by Reta Aldaba, Fátima del Carmen

    Published 2017
    “…ABSTRACT A ubiquitous Gram-positive bacterium, Bacillus thuringiensis (Bt), produces parasporal crystalline inclusions callled Cry proteins, in at least one of the structurals domains these proteins presents a specific recognized receptor for diferente types of cells. …”
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  3. 8583

    Efecto antioxidante y citoprotector de extractos de plantas con actividad antimicrobiana by Pérez Narváez, Oscar Alberto

    Published 2018
    “…In the present study, antimicrobial, antioxidant and cytoprotective properties were evaluated in plants collected in municipality of Santiago, Nuevo León, Mexico; obtaining the leaf, stem and root (if any) ethanol extracts of A. xalapensis, M. malacophylla and T. cubense against strains of nosocomial importance such as S. aureus, P. aeruginosa and S. maltophilia; the greatest antimicrobial activity against S. aureus were the A. xalapensis stem and leaf extracts, MBC of 2.6 ± 0.3 mg/mL and 2.9 ± 0.5 mg/mL respectively, and the highest antioxidant activity by the methods of DPPH (1,112.1 ± 70.6 µmol ET/g 1,206.6 ± 68.6 µmol ET/g respectively) and ABTS•+ (1,864.0 ± 135.6 µmol ET/g 1750.7 ± 110.1 µmol ET/g respectively). …”
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