Now showing items 341-360 of 582

    • The separation between the 5′-3′ ends in long RNA molecules is short and nearly constant 

      Leija Martínez, Nehemías; Casas Flores, J. Sergio; Cadena Nava, Rubén Darío; Roca, Joan A.; Méndez Cabañas, J. Alfredo; Gomez, Eduardo; Ruiz García, Jaime (2014-12)
      "RNA molecules play different roles in coding, decoding and gene expression regulation. Such roles are often associated to the RNA secondary or tertiary structures. The folding dynamics lead to multiple secondary structures ...
    • Simple approach for ranking structure determining residues 

      Luna Martínez, Oscar Daniel; Vidal Limón, Abraham Marcelino; Villalba Velázquez, Miryam Ivette; Sánchez Alcalá, Rosalba; Garduño Juárez, Ramón; Uversky, Vladimir; Becerril Luján, Baltazar (2016-06)
      "Mutating residues has been a common task in order to study structural properties of the protein of interest. Here, we propose and validate a simple method that allows the identification of structural determinants; i.e., ...
    • Molecular and biochemical characterization of extracellular tannin acyl hydrolase activity from a Mexican isolate of Aspergillus niger 

      León Galvan, Ma Fabiola; Torres Pacheco, Irineo; Guevara Olvera, Lorenzo; Barba de la Rosa, Ana Paulina; González Chavira, Mario Martín; Guevara González, Ramón Gerardo (2010-12)
      "Microbial tannase, a hydrolysable tannin-degrading enzyme, is extensively used in manufacture of instant tea, beer, wine, and gallic acid. Aspergillus niger strain, obtained from a Mexican tannery wastewaters rich in ...
    • Genotyping of the MTL loci and susceptibility to two antifungal agents of Candida glabrata clinical isolates 

      Levaniegos Sobrino, María Teresa de Fátima; Ramírez Zavaleta, Candy Yuriria; Sifuentes Osornio, José; Bobadilla del Valle, Judith Miriam; De Las Peñas Nava, Alejandro; Castaño Navarro, Irene Beatriz (2009-08)
      "The opportunistic fungal pathogen Candida glabrata is the second most common isolate from bloodstream infections worldwide and is naturally less susceptible to the antifungal drug fluconazole than other Candida species. ...
    • Oxidative stress response to menadione and cumene hydroperoxide in the opportunistic fungal pathogen Candida glabrata 

      Cuéllar-Cruz, Mayra; Castaño Navarro, Irene Beatriz; Arroyo Helguera, Omar Elind; De Las Peñas Nava, Alejandro (2009-07)
      "Candida glabrata is an opportunistic fungal pathogen that can cause severe invasive infections and can evade phagocytic cell clearance. We are interested in understanding the virulence of this fungal pathogen, in particular ...
    • Dibenzo[1,2,5]thiadiazepines are non-competitive GABAA receptor antagonists 

      Ramírez Martínez, Juan Francisco; González Chávez, Rodolfo; Guerrero Alba, Raquel; Reyes Gutiérrez, Paul Eduardo; Martínez, Roberto; Miranda Morales, Marcela; Espinosa Luna, Rosa; González Chávez, Marco Martín; Barajas López, Carlos (MDPI, 2013)
      "A new process for obtaining dibenzo[c,f][1,2,5]thiadiazepines (DBTDs) and their effects on GABAA receptors of guinea pig myenteric neurons are described. Synthesis of DBTD derivatives began with two commercial aromatic ...
    • Effect of salt stress, proline, and polyamines on seed germination of Opuntia streptacantha 

      Ochoa Alfaro, Ana Erika; Silva Ortega, Claudia Oliva; Becerra Flora, Alicia; Flores Rivas, Joel David; Jiménez Bremont, Juan Francisco (2008)
      "In this study we conducted experiments in order to determine whether polyamines (putrescine, spermidine, and spermine) and proline treatments help to break seed dormancy of Opuntia streptacantha and also if they facilitate ...
    • Effects of nitrogen-doped multiwall carbon nanotubes on murine fibroblasts 

      Munguía López, Jose Gil; Muñoz Sandoval, Emilio; Ortiz Medina, Josue; Rodríguez Macías, Fernando Jaime; De León Rodríguez, Antonio (2015)
      "The effect of nitrogen-doped multiwall carbon nanotubes (CNx) on the proliferation of NIH-3T3murine fibroblasts is presented. CNTs were dispersed in distillated water and incubated with mammalian cells in order to evaluate ...
    • Proteomic analysis of amaranth (Amaranthus hypochondriacus L.) leaves under drought stress 

      Huerta Ocampo, José Ángel; Briones Cerecero, Erika Patricia; De León Rodríguez, Antonio; Barba de la Rosa, Ana Paulina (2009-04)
      "Amaranth (Amaranthus hypochondriacus L.) is a plant that produces seed with high protein content, is rich on nutraceutical compounds, and can grow under environmental conditions where most of the basic crops are not able ...
    • HR4 gene is induced in the Arabidopsis-Trichoderma atroviride beneficial interaction 

      Sáenz Mata, Jorge; Jiménez Bremont, Juan Francisco (MDPI, 2012)
      "Plants are constantly exposed to microbes, for this reason they have evolved sophisticated strategies to perceive and identify biotic interactions. Thus, plants have large collections of so-called resistance (R) proteins ...
    • Mycobacterium tuberculosis TLR2 agonists LprA, LM and Man-LAM induce notch1 and socs3 transcription 

      Marino Marmolejo, Erika Nahomy; Tornez Benitez, Citlalli; Bonifaz Peña, Vania Elvira; Guzmán Rodríguez, Mabel; López González, Hugo Enrique; Gutiérrez Ortega, Abel; Santos Martínez, Martha Leticia; Flores Valdez, Mario Alberto (2011-08)
      "Mycobacterium tuberculosis employs a number of strategies to subvert host signaling events, leading to its persistence within macrophages. Upon infection, Mycobacterium bovis BCG induce the expression of suppressor of ...
    • The Opuntia streptacantha OpsHSP18 gene confers salt and osmotic stress tolerance in Arabidopsis thaliana 

      Salas Muñoz, Silvia; Gómez Anduro, Gracia Alicia; Delgado-Sánchez, Pablo; Rodríguez y Domínguez Kessler, Margarita; Jiménez Bremont, Juan Francisco (MDPI, 2012)
      "Abiotic stress limits seed germination, plant growth, flowering and fruit quality, causing economic decrease. Small Heat Shock Proteins (sHSPs) are chaperons with roles in stress tolerance. Herein, we report the functional ...
    • A germin-like protein gene (CchGLP) of Capsicum chinense Jacq. is induced during incompatible interactions and displays Mn-superoxide dismutase activity 

      León Galvan, Ma Fabiola; Joaquín Ramos, Ahuizotl de Jesús; Torres Pacheco, Irineo; Barba de la Rosa, Ana Paulina; Guevara Olvera, Lorenzo; González Chavira, Mario Martín; Ocampo Velázquez, Rosalía Virginia; Rico García, Enrique; Guevara González, Ramón Gerardo; Ocampo Velázquez, Rosalía Virginia (MDPI, 2011-10)
      "A germin-like gene (CchGLP) cloned from geminivirus-resistant pepper (Capsicum chinense Jacq. Line BG-3821) was characterized and the enzymatic activity of the expressed protein analyzed. The predicted protein consists ...
    • Changes in angiotensin receptor distribution and in aortic morphology are associated with blood pressure control in aged metabolic syndrome rats 

      Guarner Lans, Verónica; Soria Castro, Elizabeth; Patrón Soberano, Olga Araceli; Carvajal Aguilera, Karla Guadalupe; Castrejón Téllez, Vicente; Rubio Ruíz, María Esther (2016)
      "The role of the renin-angiotensin system (RAS) in blood pressure regulation in MS during aging is unknown. It participates in metabolic syndrome (MS) and aging regulating vascular tone and remodeling. RAS might participate ...
    • Regulación del inicio de la esporulación e histidina cinasas: un análisis comparativo entre bacillus subtilis y el grupo bacillus cereus 

      Castañeda Sandoval, Laura Margarita; Casas Flores, J. Sergio; Castañeda Sandoval, Laura Margarita (2009-05)
      "La esporulación, que es una respuesta de quorum sensing, es un proceso de diferenciación celular mediado por moléculas de señalización, señales fisiológicas y ambientales. Se sabe que Bacillus subtilis detecta las señales ...
    • HPV genotype distribution and anomalous association of HPV33 to cervical neoplastic lesions in San Luis Potosí, Mexico 

      De la Rosa Martínez, Raúl; Sánchez Garza, Mireya Guadalupe; López Revilla, Rubén Hipólito (2016-03)
      " Background: The association of human papillomavirus (HPV) types to neoplastic lesions increase as a function of their oncogenicity and the duration of the infection since lesion severity progresses from low-grade to ...
    • Human papillomavirus type 16 variants in cervical intraepithelial neoplasia and invasive carcinoma in San Luis Potosí City, Mexico 

      López Revilla, Rubén Hipólito; Ortíz Valdez, Julio César; Riego Ruíz, Lina Raquel; Pineda Martínez, Marco Antonio (2009)
      "Background In San Luis Potosí City cervical infection by human papillomavirus type 16 (HPV16) associated to dysplastic lesions is more prevalent in younger women. In this work HPV16 subtypes and variants associated to ...
    • Ultrasensitive quantitation of human papillomavirus type 16 E6 oncogene sequences by nested real time PCR 

      Hernández Arteaga, Luisa Eugenia del Socorro; López Revilla, Rubén Hipólito (2010-05)
      "Background We have developed an ultrasensitive method based on conventional PCR preamplification followed by nested amplification through real time PCR (qPCR) in the presence of the DNA intercalating agent EvaGreen. Results ...
    • Prevalence of high-risk human papillomavirus types in Mexican women with cervical intraepithelial neoplasia and invasive carcinoma 

      López Revilla, Rubén Hipólito; Martínez Contreras, Luz Aurora; Sánchez Garza, Mireya Guadalupe (2008-02)
      "Prevalence of high risk (HR) human papillomavirus (HPV) types in the states of San Luis Potosí (SLP) and Guanajuato (Gto), Mexico, was determined by restriction fragment length-polymorphism (RFLP) analysis on the E6 ~250 ...
    • Comparative genome sequence analysis underscores mycoparasitism as the ancestral life style of Trichoderma 

      Kubicek, Christian P.; Herrera Estrella, Alfredo Heriberto; Seidl-Seiboth, Verena; Martinez, Diego A.; Druzhinina, Irina S.; Thon, Michael; Zeilinger, Susanne; Casas Flores, J. Sergio; Horwitz, Benjamin A.; Mukherjee, Prasun K.; Mukherjee, Mala; Kredics, Laszlo; Alcaraz, Luis David; Aerts, Andrea; Antal, Zsuzsanna; Atanasova, Lea; Cervantes Badillo, Mayte Guadalupe; Challacombe, Jean; Chertkov, Olga; McCluskey, Kevin; Coulpier, Fanny; Deshpande, Nandan; von Doehren, Han; Ebbole, Daniel J.; Esquivel-Naranjo, Edgardo Ulises; Fekete, Erzsebe; Flipphi, Michel; Glaser, Fabian; Gómez Rodríguez, Elida Yazmín; Gruber, Sabine; Han, Cliff; Henrissat, Bernard; Hermosa, Rosa; Hernández Oñate, Miguel Ángel; Karaffa, Levente; Kosti, Idit; Le Crom, Stephane; Lindquist, Erika; Lucas, Susan; Luebeck, Mette; Luebeck, Peter S.; Margeot, Antoine; Metz, Benjamin; Misra, Monica; Nevalainen, Helena; Omann, Markus; Packer, Nicolle; Perrone, Giancarlo; Uresti Rivera, Edith Elena; Salamov, Asaf; Schmoll, Monika; Seiboth, Bernhard; Shapiro, Harris; Sukno, Serenella; Tamayo-Ramos, Juan Antonio; Tisch, Dori; Wiest, Aric; Wilkinson, Heather H.; Zhang, Michael; Coutinho, Pedro M.; Kenerley, Charles M.; Monte, Enrique; Baker, Scott E.; Grigoriev, Igor V. (2011)
      "Background: Mycoparasitism, a lifestyle where one fungus is parasitic on another fungus, has special relevance when the prey is a plant pathogen, providing a strategy for biological control of pests for plant protection. ...