Envíos recientes

  • Influence of surface roughness sample size for C-band SAR backscatter applications on agricultural soils 

    Martínez de Aguirre Escobar, Alejandro Upna; Álvarez Mozos, Jesús Upna; Lievens, Hans; Verhoest, Nike E. C.; Giménez Díaz, Rafael Upna (IEEE, 2017)   Artículo / Artikulua  OpenAccess
    Soil surface roughness determines the backscatter coefficient observed by radar sensors. The objective of this letter was to determine the surface roughness sample size required in synthetic aperture radar applications and ...
  • Influence of surface roughness measurement scale on radar backscattering in different agricultural soils 

    Martínez de Aguirre Escobar, Alejandro Upna; Álvarez Mozos, Jesús Upna; Lievens, Hans; Verhoest, Nike E. C. (IEEE, 2017)   Artículo / Artikulua
    Soil surface roughness strongly affects the scattering of microwaves on the soil surface and determines the backscattering coefficient (σ 0 ) observed by radar sensors. Previous studies have shown important scale issues ...
  • Molecular traceability of beef from synthetic Mexican bovine breeds 

    Rodríguez Ramírez, R.; Arana Navarro, Ana Upna; Alfonso Ruiz, Leopoldo Upna; González Córdova, A. F.; Torrescano, G.; Guerrero Legarreta, I.; Vallejo Córdoba, B. (FUNPEC-RP, 2011)   Artículo / Artikulua  OpenAccess
    Traceability ensures a link between carcass, quarters or cuts of beef and the individual animal or the group of animals from which they are derived. Meat traceability is an essential tool for successful identification and ...
  • Bap, a Staphylococcus aureus surface protein involved in biofilm formation 

    Cucarella, C.; Solano Goñi, Cristina Upna; Valle Turrillas, Jaione Upna; Amorena Zabalza, Beatriz Upna; Lasa Uzcudun, Íñigo Upna; Penadés, José R. (American Society for Microbiology, 2001)   Artículo / Artikulua  OpenAccess
    Identification of new genes involved in biofilm formation is needed to understand the molecular basis of strain variation and the pathogenic mechanisms implicated in chronic staphylococcal infections. A biofilm-producing ...
  • Functional characterization of the gene cluster from Pseudomonas syringae pv. phaseolicola NPS3121 involved in synthesis of phaseolotoxin 

    Aguilera, S.; Lopez-Lopez, K.; Nieto, Y.; Garciduenas-Pina, R.; Hernandez-Guzman, G.; Hernandez-Flores, J.; Murillo Martínez, Jesús Upna; Alvarez-Morales, A. (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 ...
  •  B regulates IS256-mediated Staphylococcus aureus biofilm phenotypic variation 

    Valle Turrillas, Jaione Upna; Vergara Irigaray, Marta Upna; Merino, Nekane; Penades, J. R.; Lasa Uzcudun, Íñigo Upna (American Society for Microbiology, 2007)   Artículo / Artikulua  OpenAccess
    Biofilm formation in Staphylococcus aureus is subject to phase variation, and biofilm-negative derivatives emerge sporadically from a biofilm-positive bacterial population. To date, the only known mechanism for generating ...
  • Global genomic analysis of Pseudomonas savastanoi pv. savastanoi plasmids 

    Perez-Martinez, Isabel; Zhao, Youfu; Murillo Martínez, Jesús Upna; Sundin, George W.; Ramos, Cayo (American Society for Microbiology, 2007)   Artículo / Artikulua  OpenAccess
    Pseudomonas savastanoi pv. savastanoi strains harbor native plasmids belonging to the pPT23A plasmid family (PFPs) which are detected in all pathovars of the related species Pseudomonas syringae examined and contribute to ...
  • Genomic sequences of five Helicoverpa armigera nucleopolyhedrovirus genotypes from Spain that differ in their insecticidal properties 

    Arrizubieta Celaya, Maite; Simón de Goñi, Oihane; Williams, Trevor Upna; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2015)   Artículo / Artikulua  OpenAccess
    Helicoverpa armigera nucleopolyhedrovirus (HearNPV) has proved effective as the basis for various biological insecticides. Complete genome sequences of five Spanish HearNPV genotypes differed principally in the homologous ...
  • Functional importance of deletion mutant genotypes in an insect nucleopolyhedrovirus population 

    Simón de Goñi, Oihane; Williams, Trevor Upna; Lopez-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 ...
  • Use of Bacillus thuringiensis toxins for control of the cotton pest earias insulana (Boisd.) (Lepidoptera: Noctuidae) 

    Ibarguchi Mendía, M.ª Ángeles; Estela, A.; Ferre, J.; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2006)   Artículo / Artikulua  OpenAccess
    Thirteen of the most common lepidopteran-specific Cry proteins of Bacillus thuringiensis have been tested for their efficacy against newly hatched larvae of two populations of the spiny bollworm, Earias insulana. At a ...
  • Changes in race-specific virulence in Pseudomonas syringae pv. phaseolicola are associated with a chimeric transposable element and rare deletion events in a plasmid-borne pathogenicity island 

    Rivas Mena, Luis; Mansfield, John; Tsiamis, George; Jackson, Robert W.; Murillo Martínez, Jesús Upna (American Society for Microbiology, 2005)   Artículo / Artikulua  OpenAccess
    Virulence for bean and soybean is determined by effector genes in a plasmid-borne pathogenicity island (PAI) in race 7 strain 1449B of Pseudomonas syringae pv. phaseolicola. One of the effector genes, avrPphF, confers ...
  • Optical brighteners do not influence covert baculovirus infection of Spodoptera frugiperda 

    Martínez Castillo, Ana Mabel; Williams, Trevor Upna; Lopez-Ferber, Miguel; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2005)   Artículo / Artikulua  OpenAccess
    Covert infection with Spodoptera frugiperda multiple nucleopolyhedrovirus, detected by reverse transcription-PCR of virus gene transcripts (ie-0 and polh), was not significantly affected by the presence of an optical ...
  • Genetic structure of a Spodoptera frugiperda nucleopolyhedrovirus population: high prevalence of deletion genotypes 

    Simón de Goñi, Oihane; Williams, Trevor Upna; Lopez-Ferber, Miguel; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2004)   Artículo / Artikulua  OpenAccess
    A Nicaraguan field isolate (SfNIC) of Spodoptera frugiperda nucleopolyhedrovirus was purified by plaque assay on Sf9 cells. Nine distinct genotypes, A to I, were identified by their restriction endonuclease profiles. Variant ...
  • Mapping of genomic regions (quantitative trait loci) controlling production and quality in industrial cultures of the edible basidiomycete Pleurotus ostreatus 

    Larraya Reta, Luis María Upna; Alfonso Esquíroz, Mikel; Pisabarro de Lucas, Gerardo Upna; Ramírez Nasto, Lucía Upna (American Society for Microbiology, 2003)   Artículo / Artikulua  OpenAccess
    Industrial production of the edible basidiomycete Pleurotus ostreatus (oyster mushroom) is based on a solid fermentation process in which a limited number of selected strains are used. Optimization of industrial mushroom ...
  • Prediction of intramuscular fat in live bulls using real-time ultrasound and image analysis 

    Polák, P.; Mendizábal Aizpuru, José Antonio Upna; Blanco Roa, N. E.; Krupa, E.; Huba, J.; Peškovičová, D.; Oravcová, M. (The Kielanowski Institute of Animal Physiology and Nutrition, Polish Academy of Sciences, 2008)   Artículo / Artikulua  OpenAccess
    Sonograms of Longissimus dorsi muscle (LDM) area were taken before slaughter on the last thoracic vertebra by an Aloka SSD-500. Three sonograms of each bull were taken with 60, 65 and 70% ultrasound intensity. A digital ...
  • Superinfection exclusion in alphabaculovirus infections is concomitant with actin reorganization 

    Beperet Arive, Inés Upna; Irons, Sarah L.; Simón de Goñi, Oihane; King, Linda A.; Williams, Trevor Upna; Possee, Robert D.; López Ferber, Miguel; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2014)   Artículo / Artikulua  OpenAccess
    Superinfection exclusion is the ability of an established virus to interfere with a second virus infection. This effect was studied in vitro during lepidopteran-specific nucleopolyhedrovirus (genus Alphabaculovirus, family ...
  • Mixtures of complete and pif1- and pif2-deficient genotypes are required for increased potency of an insect nucleopolyhedrovirus 

    Clavijo Palacios, Gabriel; Williams, Trevor Upna; Simón de Goñi, Oihane; Muñoz, Delia Upna; Cerutti, Martine; López Ferber, Miguel; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2009)   Artículo / Artikulua  OpenAccess
    The insecticidal potency of a nucleopolyhedrovirus population (SfNIC) that infects Spodoptera frugiperda (Lepidoptera) is greater than the potency of any of the component genotypes alone. Occlusion bodies (OBs) produced ...
  • Quantitative trait loci controlling vegetative growth rate in the edible basidiomycete Pleurotus ostreatus 

    Larraya Reta, Luis María Upna; Idareta Olagüe, Eneko Upna; Arana, Dani; Ritter, Enrique; Pisabarro de Lucas, Gerardo Upna; Ramírez Nasto, Lucía Upna (American Society for Microbiology, 2002)   Artículo / Artikulua  OpenAccess
    Mycelium growth rate is a quantitative characteristic that exhibits continuous variation. This trait has applied interest, as growth rate is correlated with production yield and increased advantage against competitors. In ...
  • 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 ...
  • Genetic linkage map of the edible basidiomycete Pleurotus ostreatus 

    Larraya Reta, Luis María Upna; Pérez Garrido, Gumersinda Upna; Ritter, Enrique; Pisabarro de Lucas, Gerardo Upna; Ramírez Nasto, Lucía Upna (American Society for Microbiology, 2000)   Artículo / Artikulua  OpenAccess
    We have constructed a genetic linkage map of the edible basidiomycete Pleurotus ostreatus (var. Florida). The map is based on the segregation of 178 random amplified polymorphic DNA and 23 restriction fragment length polymorphism ...

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