Now showing items 24-43 of 115

    • Differential adsorption of occluded and nonoccluded insect-pathogenic viruses to soil-forming minerals 

      Christian, Peter D.; Richards, Andrew R.; Williams, Trevor Upna (American Society for Microbiology, 2006)   Artículo / Artikulua  OpenAccess
      Soil represents the principal environmental reservoir of many insect-pathogenic viruses. We compared the adsorption and infectivity of one occluded and two nonoccluded viruses, Helicoverpa armigera single nucleopolyhedro ...
    • Diffusional properties of methanogenic granular sludge: 1H NMR characterization 

      Lens, Piet N. L.; Gastesi Barasoain, Rakel Upna; Vergeldt, Frank; Aelst, Adriaan C. van; Pisabarro de Lucas, Gerardo Upna; As, Henk van (American Society for Microbiology, 2003)   Artículo / Artikulua  OpenAccess
      The diffusive properties of anaerobic methanogenic and sulfidogenic aggregates present in wastewater treatment bioreactors were studied using diffusion analysis by relaxation time-separated pulsed-field gradient nuclear ...
    • Draft genome sequences of two bacillus thuringiensis strains and characterization of a putative 41.9-kDa insecticidal toxin 

      Palma Dovis, Leopoldo Upna; Muñoz Labiano, Delia Upna; Berry, Colin; Murillo Martínez, Jesús Upna; Caballero Murillo, Primitivo Upna (MDPI, 2014)   Artículo / Artikulua  OpenAccess
      In this work, we report the genome sequencing of two Bacillus thuringiensis strains using Illumina next-generation sequencing technology (NGS). Strain Hu4-2, toxic to many lepidopteran pest species and to some mosquitoes, ...
    • Efecto de la alimentación con dietas ricas en acidos grasos poliinsaturados sobre el desarrollo del tejido graso de terneros 

      Sayed, S.; Abadía Durán, Silvia; Mendizábal Aizpuru, José Antonio Upna; Arana Navarro, Ana Upna; Soret Lafraya, Beatriz Upna; Albertí, P.; Purroy Unanua, Antonio Upna (Asociación Interprofesional para el Desarrollo Agrario, 2007)   Artículo / Artikulua  OpenAccess
      La carne de vacuno obtenida de terneros cebados con pienso presenta un menor valor de la relación de ácidos grasos poliinsaturados/saturados, beneficioso para la salud humana, que la obtenida de los temeros criados en pasto ...
    • The effect of defoliation on the yield of leek (Allium porrum L.) 

      Irigoyen Iriarte, Ignacio Upna; Domeño Seminario, Itziar Upna; Muro Erreguerena, Julio Upna (Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA), 2010)   Artículo / Artikulua  OpenAccess
      La pérdida de área foliar es un daño típico en los cultivos causado por ataques de hongos e insectos o por granizo. Se han realizado numerosos estudios para describir los efectos de la defoliación en los principales cultivos ...
    • Effect of feeding regime on composting in bins 

      Storino, Francesco Upna; Menéndez Villanueva, Sergio Upna; Muro Erreguerena, Julio Upna; Aparicio Tejo, Pedro María Upna; Irigoyen Iriarte, Ignacio Upna (Taylor & Francis, 2017)   Artículo / Artikulua  OpenAccess
      Composting in bins is one of the most practical home composting methods. There is currently a need for greater information to improve the management of the composting process and to create home composting programs, which ...
    • Effects of addition of linseed and marine algae to the diet on adipose tissue development, fatty acid profile, lipogenic gene expression, and meat quality in lambs 

      Urrutia Vera, Olaia Upna; Mendizábal Aizpuru, José Antonio Upna; Insausti Barrenetxea, Kizkitza Upna; Soret Lafraya, Beatriz Upna; Purroy Unanua, Antonio Upna; Arana Navarro, Ana Upna (Public Library of Science, 2016)   Artículo / Artikulua  OpenAccess
      This study examined the effect of linseed and algae on growth and carcass parameters, adipocyte cellularity, fatty acid profile and meat quality and gene expression in subcutaneous and intramuscular adipose tissues (AT) ...
    • The effects of selective breeding against scrapie susceptibility on the genetic variability of the latxa black-faced sheep breed 

      Alfonso Ruiz, Leopoldo Upna; Parada, Analia Upna; Legarra, Andrés; Ugarte, Eva; Arana Navarro, Ana Upna (EDP Sciences, 2006)   Artículo / Artikulua  OpenAccess
      Breeding sheep populations for scrapie resistance could result in a loss of genetic variability. In this study, the effect on genetic variability of selection for increasing the ARR allele frequency was estimated in the ...
    • The enterococcal surface protein, Esp, is involved in Enterococcus faecalis biofilm formation 

      Toledo Arana, Alejandro Upna; Valle Turrillas, Jaione Upna; Solano Goñi, Cristina Upna; Arrizubieta Balerdi, María Jesús; Cucarella, Carme; Lamata, Marta; Amorena Zabalza, Beatriz Upna; Leiva, José; Penadés, José R.; Lasa Uzcudun, Íñigo Upna (American Society for Microbiology, 2001)   Artículo / Artikulua  OpenAccess
      The enterococcal surface protein, Esp, is a high-molecular-weight surface protein of unknown function whose frequency is significantly increased among infection-derived Enterococcus faecalis isolates. In this work, a ...
    • Evaluating the influence of the microsatellite marker set on the genetic structure inferred in Pyrus communis L. 

      Urrestarazu Vidart, Jorge; Royo Díaz, José Bernardo Upna; Santesteban García, Gonzaga Upna; Miranda Jiménez, Carlos Upna (Public Library of Science, 2015)   Artículo / Artikulua  OpenAccess
      Fingerprinting information can be used to elucidate in a robust manner the genetic structure of germplasm collections, allowing a more rational and fine assessment of genetic resources. Bayesian model-based approaches ...
    • Evolución de la morfología en la raza vacuna pirenaica 

      Mendizábal Aizpuru, José Antonio Upna; Purroy Unanua, Antonio Upna; Aranguren, F.J.; Eguinoa Ancho, Paola; Arana Navarro, Ana Upna (Universidad de Córdoba, 1998)   Artículo / Artikulua  OpenAccess
      Se ha estudiado la evolución de la morfología de la raza vacuna Pirenaica durante el presente siglo. Para ello, se han considerado 3 grupos de vacas Pirenaicas. Un primer grupo (n=20) representativo de la antigua vaca ...
    • Expression of a peroral infection factor determines pathogenicity and population structure in an insect virus 

      Simón de Goñi, Oihane; Williams, Trevor Upna; Cerutti, Martine; Caballero Murillo, Primitivo Upna; López Ferber, Miguel (Public Library of Science, 2013)   Artículo / Artikulua  OpenAccess
      A Nicaraguan isolate of Spodoptera frugiperda multiple nucleopolyhedrovirus is being studied as a possible biological insecticide. This virus exists as a mixture of complete and deletion genotypes; the latter depend on ...
    • An expression of mixed animal model equations to account for different means and variances in the base population 

      Alfonso Ruiz, Leopoldo Upna; Estany Illa, Joan (Editions Scientifiques Medicales Elsevier, 1999)   Artículo / Artikulua  OpenAccess
      This paper presents a general expression to predict breeding values using animal models when the base population is selected, i.e. the means and variances of breeding values in the base generation differ among individuals. ...
    • Expression of the gene for resistance to phaseolotoxin (argK) depends on the activity of genes phtABC in Pseudomonas syringae pv. Phaseolicola 

      Aguilera, Selene; Torre Zavala, Susana de la; Hernández Flores, José Luis; Murillo Martínez, Jesús Upna; Bravo, Jaime; Álvarez Morales, Ariel (Public Library of Science, 2012)   Artículo / Artikulua  OpenAccess
      The bacterium Pseudomonas syringae pv. phaseolicola produces phaseolotoxin in a temperature dependent manner, being optimally produced between 18 degrees C and 20 degrees C, while no detectable amounts are present above ...
    • Extensive sampling of basidiomycete genomes demonstrates inadequacy of the white-rot/brown-rot paradigm for wood decay fungi 

      Riley, Robert; Salamov, Asaf A.; Brown, Daren W.; Nagy, Laszlo G.; Floudas, Dimitrios; Held, Benjamin W.; Levasseur, Anthony; Lombard, Vincent; Morin, Emmanuelle; Pisabarro de Lucas, Gerardo Upna (National Academy of Sciences, 2014)   Artículo / Artikulua  OpenAccess
      Basidiomycota (basidiomycetes) make up 32% of the described fungi and include most wood-decaying species, as well as pathogens and mutualistic symbionts. Wood-decaying basidiomycetes have typically been classified as either ...
    • Fate of a Pseudomonas savastanoi pv. savastanoi type III secretion system mutant in olive plants (Olea europaea L.) 

      Pérez Martínez, Isabel; Rodríguez Moreno, Luis; Lambertsen, Lotte; Matas Casado, Isabel María Upna; Murillo Martínez, Jesús Upna; Tegli, Stefania; Jiménez, Antonio J.; Ramos, Cayo (American Society for Microbiology, 2010)   Artículo / Artikulua  OpenAccess
      Pseudomonas savastanoi pv. savastanoi strain NCPPB 3335 is a model bacterial pathogen for studying the molecular basis of disease production in woody hosts. We report the sequencing of the hrpS-to-hrpZ region of NCPPB 3335, ...
    • Four genes essential for recombination define GInts, a new type of mobile genomic island widespread in bacteria 

      Bardají Goikoetxea, Leire Upna; Echeverría Ancín, Myriam Upna; Rodríguez Palenzuela, Pablo; Martínez García, Pedro M.; Murillo Martínez, Jesús Upna (Nature Publishing Group, 2017)   Artículo / Artikulua  OpenAccess
      Integrases are a family of tyrosine recombinases that are highly abundant in bacterial genomes, actively disseminating adaptive characters such as pathogenicity determinants and antibiotics resistance. Using comparative ...
    • Functional characterization of the gene cluster from Pseudomonas syringae pv. phaseolicola NPS3121 involved in synthesis of phaseolotoxin 

      Aguilera, Selene; Lopez-Lopez, K.; Nieto, Y.; Garciduenas-Pina, R.; Hernandez-Guzman, G.; Hernandez-Flores, J.; Murillo Martínez, Jesús Upna; Álvarez Morales, Ariel (American Society for Microbiology, 2007)   Artículo / Artikulua  OpenAccess
      Pseudomonas syringae pv. phaseolicola is the causal agent of halo blight disease of beans (Phaseolus vulgaris L.), which is characterized by water-soaked lesions surrounded by a chlorotic halo resulting from the action of ...
    • Functional importance of deletion mutant genotypes in an insect nucleopolyhedrovirus population 

      Simón de Goñi, Oihane; Williams, Trevor Upna; López Ferber, Miguel; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2005)   Artículo / Artikulua  OpenAccess
      A Nicaraguan isolate of a nucleopolyhedrovirus (SfNIC) that attacks the fall armyworm, Spodoptera frugiperda, survives as a mixture of nine genotypes (SfNIC A to I) that all present genomic deletions, except variant B ...
    • Gender-mediated differences in vertical transmission of a nucleopolyhedrovirus 

      Virto Garayoa, Cristina Upna; Zárate Chaves, Carlos Andrés; López Ferber, Miguel; Murillo Pérez, Rosa Upna; Caballero Murillo, Primitivo Upna; Williams, Trevor Upna (Public Library of Science, 2013)   Artículo / Artikulua  OpenAccess
      With the development of sensitive molecular techniques for detection of low levels of asymptomatic pathogens, it becoming clear that vertical transmission is a common feature of some insect pathogenic viruses, and likely ...