Now showing items 21-40 of 115

    • Optical brighteners do not influence covert baculovirus infection of Spodoptera frugiperda 

      Martínez Castillo, Ana Mabel Upna; Williams, Trevor Upna; López 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 Upna; Williams, Trevor Upna; López 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 Upna; 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 ...
    • Mixtures of complete and pif1- and pif2-deficient genotypes are required for increased potency of an insect nucleopolyhedrovirus 

      Clavijo Palacios, Gabriel Upna; Williams, Trevor Upna; Simón de Goñi, Oihane Upna; Muñoz Labiano, 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 ...
    • Superinfection exclusion in alphabaculovirus infections is concomitant with actin reorganization 

      Beperet Arive, Inés Upna; Irons, Sarah L.; Simón de Goñi, Oihane Upna; 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 ...
    • Sf29 Gene of Spodoptera frugiperda multiple nucleopolyhedrovirus is a viral factor that determines the number of virions in occlusion bodies 

      Simón de Goñi, Oihane Upna; Williams, Trevor Upna; Asensio, Aarón C.; Ros Terés, Sarhay Upna; Gaya Cacho, Andrea; Caballero Murillo, Primitivo Upna; Possee, Robert D. (American Society for Microbiology, 2008)   Artículo / Artikulua  OpenAccess
      The genome of Spodoptera frugiperda multiple nucleopolyhedrovirus (NPV) was inserted into a bacmid (Sfbac) and used to produce a mutant lacking open reading frame 29 (Sf29null). Sf29null bacmid DNA was able to generate ...
    • SarA positively controls Bap-dependent biofilm formation in Staphylococcus aureus 

      Trotonda, María Pilar; Manna, Adhar C.; Cheung, Ambrose L.; Lasa Uzcudun, Íñigo Upna; Penadés, José R. (American Society for Microbiology, 2005)   Artículo / Artikulua  OpenAccess
      The biofilm-associated protein Bap is a staphylococcal surface protein involved in biofilm formation. We investigated the influence of the global regulatory locus sarA on bap expression and Bap-dependent biofilm formation ...
    • 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 ...
    • Relationship between monokaryotic growth rate and mating type in the edible basidiomycete Pleurotus ostreatus 

      Larraya Reta, Luis María Upna; Pérez Garrido, Gumersinda Upna; Iribarren, Iñaki; Blanco Vaca, Juan Antonio Upna; Alfonso Esquíroz, Mikel Upna; Pisabarro de Lucas, Gerardo Upna; Ramírez Nasto, Lucía Upna (American Society for Microbiology, 2001)   Artículo / Artikulua  OpenAccess
      The edible fungus Pleurotus ostreatus (oyster mushroom) is an industrially produced heterothallic homobasidiomycete whose mating is controlled by a bifactorial tetrapolar genetic system. Two mating loci (matA and matB) ...
    • 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 ...
    • 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 Upna; 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 ...
    • Transcriptional and enzymatic profiling of Pleurotus ostreatus laccase genes in submerged and solid-state fermentation cultures 

      Castanera Andrés, Raúl Upna; Pérez Garrido, Gumersinda Upna; Omarini, Alejandra; Alfaro Sánchez, Manuel Upna; Pisabarro de Lucas, Gerardo Upna; Faraco, Vicenza; Amore, Antonella; Ramírez Nasto, Lucía Upna (American Society for Microbiology, 2012)   Artículo / Artikulua  OpenAccess
      The genome of the white rot basidiomycete Pleurotus ostreatus includes 12 phenol oxidase (laccase) genes. In this study, we examined their expression profiles in different fungal strains under different culture conditions ...
    • A Chrysodeixis chalcites single-nucleocapsid nucleopolyhedrovirus population from the Canary Islands is genotypically structured to maximize survival 

      Bernal Rodríguez, Alexandra Upna; Simón de Goñi, Oihane Upna; Williams, Trevor Upna; Muñoz Labiano, Delia Upna; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2013)   Artículo / Artikulua  OpenAccess
      A Chrysodeixis chalcites single-nucleocapsid nucleopolyhedrovirus wild-type isolate from the Canary Islands, Spain, named ChchSNPV-TF1 (ChchTF1-wt), appears to have great potential as the basis for a biological insecticide ...
    • Intra- and intergenerational persistence of an insect nucleopolyhedrovirus: adverse effects of sublethal disease on host development, reproduction, and susceptibility to superinfection 

      Cabodevilla de Andrés, Oihana Upna; Villar, Eduardo; Virto Garayoa, Cristina Upna; Murillo Pérez, Rosa Upna; Williams, Trevor Upna; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2011)   Artículo / Artikulua  OpenAccess
      Sublethal infections by Spodoptera exigua multiple nucleopolyhedrovirus (SeMNPV) are common in field populations of the beet armyworm (S. exigua, Hübner) in the Almerian horticultural region of Spain. Inoculation of ...
    • Phylogenetic analysis of the pPT23A plasmid family of Pseudomonas syringae 

      Ma, Zhonghua; Smith, James J.; Zhao, Youfu; Jackson, Robert W.; Arnold, Dawn L.; Murillo Martínez, Jesús Upna; Sundin, George W. (American Society for Microbiology, 2006)   Artículo / Artikulua  OpenAccess
      The pPT23A plasmid family of Pseudomonas syringae contains members that contribute to the ecological and pathogenic fitness of their P. syringae hosts. In an effort to understand the evolution of these plasmids and ...
    • Stability of a Spodoptera frugiperda nucleopolyhedrovirus deletion recombinant during serial passage in insects 

      Simón de Goñi, Oihane Upna; Williams, Trevor Upna; Possee, Robert D.; López Ferber, Miguel; Caballero Murillo, Primitivo Upna (American Society for Microbiology, 2009)   Artículo / Artikulua  OpenAccess
      The stabilities of the Spodoptera frugiperda multiple nucleopolyhedrovirus (SfMNPV) complete genome bacmid (Sfbac) and a deletion recombinant (Sf29null) in which the Sf29 gene was replaced by a kanamycin resistance ...
    • Telomere organization in the ligninolytic basidiomycete Pleurotus ostreatus 

      Pérez Garrido, Gumersinda Upna; Pangilinan, Jasmyn; Pisabarro de Lucas, Gerardo Upna; Ramírez Nasto, Lucía Upna (American Society for Microbiology, 2008)   Artículo / Artikulua  OpenAccess
      Telomeres are structural and functional chromosome regions that are essential for the cell cycle to proceed normally. They are, however, difficult to map genetically and to identify in genome-wide sequence programs because ...
    • Recovery of nonpathogenic mutant bacteria from tumors caused by several Agrobacterium tumefaciens strains: a frequent event? 

      Llop, Pablo; Murillo Martínez, Jesús Upna; Lastra, Beatriz; López, María Milagros (American Society for Microbiology, 2009)   Artículo / Artikulua  OpenAccess
      We have evaluated the interaction that bacterial genotypes and plant hosts have with the loss of pathogenicity in tumors, using seven Agrobacterium tumefaciens strains inoculated on 12 herbaceous and woody hosts. We ...