Now showing items 37-56 of 158

    • Deciphering tissue-induced Klebsiella pneumoniae lipid A structure 

      Llobet, Enrique; Martínez Moliner, Verónica; Moranta, David; Dahlström, Käthe M.; Regueiro, Verónica; Tomás, Anna; Cano, Victoria; Pérez Gutiérrez, Camino; Frank, Christian G.; Garmendia García, Juncal (National Academy of Sciences, 2015)   Artículo / Artikulua  OpenAccess
      The outcome of an infection depends on host recognition of the pathogen, hence leading to the activation of signaling pathways controlling defense responses. A long-held belief is that the modification of the lipid A ...
    • Deletion genotypes reduce occlusion body potency but increase occlusion body production in a Colombian Spodoptera frugiperda nucleopolyhedrovirus population 

      Barrera Cubillos, Gloria Patricia; Williams, Trevor Upna; Villamizar, Laura; Caballero Murillo, Primitivo Upna; Simón de Goñi, Oihane (Public Library of Science, 2013)   Artículo / Artikulua  OpenAccess
      A Colombian field isolate (SfCOL-wt) of Spodoptera frugiperda multiple nucleopolyhedrovirus (SfMNPV) is a mixture of different genotypes. To evaluate the insecticidal properties of the different genotypic variants, 83 ...
    • Deletion of the GI-2 integrase and the wbkA flanking transposase improves the stability of Brucella melitensis Rev 1 vaccine 

      Mancilla, Marcos; Grilló Dolset, María Jesús; Miguel López, María Jesús de; López Goñi, Ignacio; San Román Aberasturi, Beatriz Upna; Zabalza Baranguá, Ana Upna; Moriyón Uría, Ignacio (BioMed Central, 2013)   Artículo / Artikulua  OpenAccess
      Brucella melitensis Rev 1 is the best vaccine available for the prophylaxis of small ruminant brucellosis and, indirectly, for reducing human brucellosis. However, Rev 1 shows anomalously high rates of spontaneous dissociation ...
    • Depletion of the heaviest stable N isotope is associated with NH4+/NH3 toxicity in NH4+-fed plants 

      Ariz, Idoia Upna; Cruz, Cristina; Morán Juez, José Fernando Upna; González Moro, María B.; García Olaverri, Carmen Upna; González Murua, Carmen; Martins Loucao, María A.; Aparicio Tejo, Pedro María Upna (BioMed Central, 2011)   Artículo / Artikulua  OpenAccess
      Background: In plants, nitrate (NO3-) nutrition gives rise to a natural N isotopic signature (δ15N), which correlates with the δ15N of the N source. However, little is known about the relationship between the δ15N of the ...
    • Detection of PrPSc in lung and mammary gland is favored by the presence of Visna/maedi virus lesions in naturally coinfected sheep 

      Salazar, Eider; Monleón, Eva; Bolea, Rosa; Acín, Cristina; Pérez, Marta; Álvarez, Neila; Leginagoikoa, Iratxe; Juste, Ramón; Minguijón, Esmeralda; Reina Arias, Ramsés Upna; Glaría Ezquer, Idoia Upna; Berriatua, Eduardo; Andrés Cara, Damián de Upna; Badiola, Juan José; Amorena Zabalza, Beatriz Upna; Luján, Lluís (EDP Sciences, 2010)   Artículo / Artikulua  OpenAccess
      There are few reports on the pathogenesis of scrapie (Sc) and Visna/maedi virus (VMV) coinfections. The aim of this work was to study in vivo as well as post mortem both diseases in 91 sheep. Diagnosis of Sc and VMV ...
    • Determinant factors in the production of a co-occluded binary mixture of Helicoverpa armigera alphabaculovirus (HearNPV) genotypes with desirable insecticidal characteristics 

      Arrizubieta Celaya, Maite Upna; Simón de Goñi, Oihane; Williams, Trevor Upna; Caballero Murillo, Primitivo Upna (Public Library of Science, 2016)   Artículo / Artikulua  OpenAccess
      A co-occluded binary mixture of Helicoverpa armigera nucleopolyhedrovirus genotypes HearSP1B and HearLB6 at a 1:1 ratio (HearSP1B+HearLB6) was selected for the development of a virus-based biological insecticide, which ...
    • Development of a selective culture medium for primary isolation of the main Brucella species 

      Miguel López, María Jesús de; Marín, Clara M.; Muñoz, P. M.; Dieste, L.; Grilló Dolset, María Jesús; Blasco, José María Upna (American Society for Microbiology, 2011)   Artículo / Artikulua  OpenAccess
      Bacteriological diagnosis of brucellosis is performed by culturing animal samples directly on both Farrell medium (FM) and modified Thayer-Martin medium (mTM). However, despite inhibiting most contaminating microorganisms, ...
    • Draft genome sequences of two bacillus thuringiensis strains and characterization of a putative 41.9-kDa insecticidal toxin 

      Palma Dovis, Leopoldo Upna; Muñoz, 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, ...
    • Early development of the root-knot nematode Meloidogyne incognita 

      Calderón Urrea, Alejandro; Vanholme, Bartel; Vangestel, Sandra; Kane, Saben M.; Bahaji, Abdellatif; Pha, Khavong; García, Miguel; Snider, Alyssa; Gheysen, Godelieve (BioMed Central, 2016)   Artículo / Artikulua  OpenAccess
      Background: Detailed descriptions of the early development of parasitic nematodes are seldom available. The embryonic development of the plant-parasitic nematode Meloidogyne incognita was studied, focusing on the early ...
    • Ecophysiological roles of abaxial anthocyanins in a perennial understorey herb from temperate deciduous forests 

      Fernández Marín, Beatriz; Esteban Terradillos, Raquel; Míguez, Fátima; Artetxe, Unai; Castañeda Presa, Verónica; Pintó Marijuan, Marta; Becerril, José María; García Plazaola, José Ignacio (Oxford University Press, 2015)   Artículo / Artikulua  OpenAccess
      Accumulation of abaxial anthocyanins is an intriguing leaf trait particularly common among deeply shaded understorey plants of tropical and temperate forests whose ecological significance is still not properly understood. To ...
    • 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 ...
    • Effect of transcriptional activators SoxS, RobA, and RamA on expression of multidrug efflux pump AcrAB-TolC in enterobacter cloacae 

      Pérez, Astrid; Poza, Margarita; Aranda, Jesús; Latasa Osta, Cristina Upna; Medrano, Francisco Javier; Tomás, María; Romero, Antonio; Lasa Uzcudun, Íñigo Upna; Bou, Germán (American Society for Microbiology, 2012)   Artículo / Artikulua  OpenAccess
      Control of membrane permeability is a key step in regulating the intracellular concentration of antibiotics. Efflux pumps confer innate resistance to a wide range of toxic compounds such as antibiotics, dyes, detergents, ...
    • An effort to make sense of antisense transcription in bacteria 

      Lasa Uzcudun, Íñigo Upna; Toledo Arana, Alejandro Upna; Gingeras, Thomas R. (Taylor & Francis, 2012)   Artículo / Artikulua  OpenAccess
      Analysis of bacterial transcriptomes have shown the existence of a genome-wide process of overlapping transcription due to the presence of antisense RNAs, as well as mRNAs that overlapped in their entire length or in some ...
    • Enhancing the expression of starch synthase class IV results in increased levels of both transitory and long-term storage starch 

      Gámez-Arjona, Francisco M.; Li, Jun; Raynaud, Sandy; Baroja Fernández, Edurne Upna; Muñoz Pérez, Francisco José; Ovecka, Miroslav; Ragel, Paula; Bahaji, Abdellatif; Pozueta Romero, Javier Upna; Mérida, Ángel (Wiley, 2011)   Artículo / Artikulua  OpenAccess
      Starch is an important renewable raw material with an increasing number of applications. Several attempts have been made to obtain plants that produce modified versions of starch or higher starch yield. Most of the approaches ...
    • 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 ...
    • Evaluation of a Salmonella strain lacking the secondary messenger c-di-GMP and RpoS as a live oral vaccine 

      Latasa Osta, Cristina Upna; Echeverz Sarasúa, Maite Upna; García Ona, Enrique Upna; Burgui Erice, Saioa Upna; Casares, Noelia; Hervás Stubbs, Sandra Upna; Lasarte, Juan José; Lasa Uzcudun, Íñigo Upna; Solano Goñi, Cristina Upna; García Martínez, Begoña Upna; Gil Puig, Carmen Upna (Public Library of Science, 2016)   Artículo / Artikulua  OpenAccess
      Salmonellosis is one of the most important bacterial zoonotic diseases transmitted through the consumption of contaminated food, with chicken and pig related products being key reservoirs of infection. Although numerous ...
    • Evaluation of surface microtopography engineered by direct laser interference for bacterial anti-biofouling 

      Valle Turrillas, Jaione Upna; Burgui Erice, Saioa Upna; Langheinrich, Denise; Gil Puig, Carmen Upna; Solano Goñi, Cristina Upna; Toledo Arana, Alejandro Upna; Helbig, Ralf; Lasagni, Andrés; Lasa Uzcudun, Íñigo Upna (2015)   Artículo / Artikulua  OpenAccess
      Biofilm formation by bacterial pathogens on the surface of medical and industrial settings is a 25 serious health problem. Modification of the biomaterial surface topography is a promising 26 strategy to prevent bacterial ...
    • Expression analysis of lung miRNAs responding to ovine VM virus infection by RNA-seq 

      Bilbao Arribas, Martin; Abendaño, Naiara; Varela Martínez, Endika; Reina Arias, Ramsés Upna; Andrés Cara, Damián de Upna; Jugo, Begoña M. (BioMed Central, 2019)   Artículo / Artikulua  OpenAccess
      Background: MicroRNAs (miRNAs) are short endogenous, single-stranded, noncoding small RNA molecules of approximately 22 nucleotides in length. They regulate gene expression posttranscriptionally by silencing mRNA expression, ...
    • 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 ...
    • Expression of the biofilm-associated protein interferes with host protein receptors of Staphylococcus aureus and alters the infective process 

      Cucarella, Carme; Tormo Más, María Ángeles; Knecht, Erwin; Amorena Zabalza, Beatriz Upna; Lasa Uzcudun, Íñigo Upna; Foster, Timothy J.; Penadés, José R. (American Society for Microbiology, 2002)   Artículo / Artikulua  OpenAccess
      The adherence of Staphylococcus aureus to soluble proteins and extracellular-matrix components of the host is one of the key steps in the pathogenesis of staphylococcal infections. S. aureus presents a family of adhesins ...