• Amyloid structures as biofilm matrix scaffolds 

      Taglialegna, Agustina Upna; Lasa Uzcudun, Íñigo Upna; Valle Turrillas, Jaione Upna (American Society for Microbiology, 2016)   Artículo / Artikulua  OpenAccess
      Recent insights into bacterial biofilm matrix structures have induced a paradigm shift toward the recognition of amyloid fibers as common building block structures that confer stability to the exopolysaccharide matrix. ...
    • Bacillus thuringiensis toxins: an overview of their biocidal activity 

      Palma Dovis, Leopoldo Upna; Muñoz, Delia Upna; Berry, Colin; Murillo Martínez, Jesús Upna; Caballero Murillo, Primitivo Upna (MDPI, 2014)   Artículo / Artikulua  OpenAccess
      Bacillus thuringiensis (Bt) is a Gram positive, spore-forming bacterium that synthesizes parasporal crystalline inclusions containing Cry and Cyt proteins, some of which are toxic against a wide range of insect orders, ...
    • Bap, a biofilm matrix protein of Staphylococcus aureus prevents cellular internalization through binding to GP96 host receptor 

      Valle Turrillas, Jaione Upna; Latasa Osta, Cristina Upna; Gil Puig, Carmen Upna; Toledo Arana, Alejandro Upna; Solano Goñi, Cristina Upna; Penadés, José R.; Lasa Uzcudun, Íñigo Upna (Public Library of Science, 2012)   Artículo / Artikulua  OpenAccess
      The biofilm matrix, composed of exopolysaccharides, proteins, nucleic acids and lipids, plays a well-known role as a defence structure, protecting bacteria from the host immune system and antimicrobial therapy. However, ...
    • Base pairing interaction between 5′- and 3′-UTRs controls icaR mRNA translation in Staphylococcus aureus 

      Ruiz de los Mozos Aliaga, Igor Upna; Vergara Irigaray, Marta Upna; Segura, Víctor; Villanueva San Martín, Maite Upna; Bitarte, Nerea Upna; Saramago, Margarida; Domingues, Susana; Arraiano, Cecilia M.; Fechter, Pierre; Romby, Pascale; Valle Turrillas, Jaione Upna; Solano Goñi, Cristina Upna; Lasa Uzcudun, Íñigo Upna; Toledo Arana, Alejandro Upna (Public Library of Science, 2013)   Artículo / Artikulua  OpenAccess
      The presence of regulatory sequences in the 39 untranslated region (39-UTR) of eukaryotic mRNAs controlling RNA stability and translation efficiency is widely recognized. In contrast, the relevance of 39-UTRs in bacterial ...
    • Biofilm dispersion and quorum sensing 

      Solano Goñi, Cristina Upna; Echeverz Sarasúa, Maite Upna; Lasa Uzcudun, Íñigo Upna (Elsevier, 2014)   Artículo / Artikulua  OpenAccess
      Biofilm development and quorum sensing are closely interconnected processes. Biofilm formation is a cooperative group behaviour that involves bacterial populations living embedded in a self produced extracellular matrix. ...
    • Biofilm matrix exoproteins induce a protective immune response against Staphylococcus aureus biofilm infection 

      Gil Puig, Carmen Upna; Solano Goñi, Cristina Upna; Burgui Erice, Saioa Upna; Latasa Osta, Cristina Upna; García Martínez, Begoña Upna; Toledo Arana, Alejandro Upna; Lasa Uzcudun, Íñigo Upna; Valle Turrillas, Jaione Upna (American Society for Microbiology, 2014)   Artículo / Artikulua  OpenAccess
      The Staphylococcus aureus biofilm mode of growth is associated with several chronic infections that are very difficult to treat due to the recalcitrant nature of biofilms to clearance by antimicrobials. Accordingly, there ...
    • Biofilm switch and immune response determinants at early stages of infection 

      Valle Turrillas, Jaione Upna; Solano Goñi, Cristina Upna; García Martínez, Begoña Upna; Toledo Arana, Alejandro Upna; Lasa Uzcudun, Íñigo Upna (Elsevier (Cell Press), 2013)   Artículo / Artikulua  OpenAccess
      Biofilm development is recognized as a major virulence factor underlying most chronic bacterial infections. When a biofilm community is established, planktonic cells growing in the surroundings of a tissue switch to a ...
    • Brucella abortus ornithine lipids are dispensable outer membrane components devoid of a marked pathogen-associated molecular pattern 

      Palacios Chaves, Leyre; Conde Álvarez, Raquel; Gil Ramírez, Yolanda Upna; Zúñiga Ripa, Amaia; Barquero Calvo, Elías; Chacón Díaz, Carlos; Chaves Olarte, Esteban; Arce Gorvel, Vilma; Gorvel, Jean-Pierre; Moreno, Edgardo; Miguel, María Jesús de; Grilló Dolset, María Jesús; Moriyón Uría, Ignacio; Iriarte, Maite (Public Library of Science, 2011)   Artículo / Artikulua  OpenAccess
      The brucellae are alpha-Proteobacteria facultative intracellular parasites that cause an important zoonosis. These bacteria escape early detection by innate immunity, an ability associated to the absence of marked ...
    • Brucellosis vaccines: assessment of brucella melitensis lipopolysaccharide rough mutants defective in core and O-polysaccharide synthesis and export 

      González, David; Grilló Dolset, María Jesús; Miguel, María Jesús de; Ali, Tara; Arce Gorvel, Vilma; Delrue, Rose May; Conde Álvarez, Raquel; Muñoz Álvaro, Pilar María; López Goñi, Ignacio; Iriarte, Maite; Marín, Clara M.; Weintraub, Andrej; Widmalm, Goeran; Zygmunt, Michel; Letesson, Jean-Jacques; Gorvel, Jean-Pierre; Blasco, José María Upna; Moriyón Uría, Ignacio (Public Library of Science, 2008)   Artículo / Artikulua  OpenAccess
      Background: The brucellae are facultative intracellular bacteria that cause brucellosis, one of the major neglected zoonoses. In endemic areas, vaccination is the only effective way to control this disease. Brucella ...
    • Coordinated cyclic-di-GMP repression of salmonella motility through YcgR and cellulose 

      Zorraquino Salvo, Violeta; García Martínez, Begoña Upna; Latasa Osta, Cristina Upna; Echeverz Sarasúa, Maite Upna; Toledo Arana, Alejandro Upna; Valle Turrillas, Jaione Upna; Lasa Uzcudun, Íñigo Upna; Solano Goñi, Cristina Upna (American Society for Microbiology, 2013)   Artículo / Artikulua  OpenAccess
      Cyclic di-GMP (c-di-GMP) is a secondary messenger that controls a variety of cellular processes, including the switch between a biofilm and a planktonic bacterial lifestyle. This nucleotide binds to cellular effectors in ...
    • 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 ...
    • 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, ...
    • 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 ...
    • 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 ...
    • 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 ...
    • The extradomain a of fibronectin enhances the efficacy of lipopolysaccharide defective Salmonella bacterins as vaccines in mice 

      San Román Aberasturi, Beatriz Upna; Lasa Uzcudun, Íñigo Upna; Andrés Cara, Damián de Upna; Amorena Zabalza, Beatriz Upna; Lasarte, Juan José; Grilló Dolset, María Jesús; Garrido, Victoria Upna; Muñoz Álvaro, Pilar María; Arribillaga, Laura; García Martínez, Begoña Upna; Andrés, Ximena de; Zabaleta, Virginia Upna; Mansilla, Cristina; Farrán Blanch, Inmaculada Upna (BioMed Central, 2012)   Artículo / Artikulua  OpenAccess
      The Extradomain A from fibronectin (EDA) has an immunomodulatory role as fusion protein with viral and tumor antigens, but its effect when administered with bacteria has not been assessed. Here, we investigated the adjuvant ...
    • The fusion of Toxoplasma gondii SAG1 vaccine candidate to Leishmania infantum heat shock protein 83-kDa improves expression levels in tobacco chloroplasts 

      Albarracin, R; Laguía Becher, M; Farrán Blanch, Inmaculada Upna; Sander, V; Corigliano, M; Yácono, M; Pariani, S; Sánchez, E; Veramendi Charola, Jon Upna; Clemente, M (Wiley, 2015)   Artículo / Artikulua  OpenAccess
      Chloroplast transformation technology has emerged as an alternative platform offering many advantages over nuclear transformation. SAG1 is the main surface antigen of the intracellular parasite Toxoplasma gondii and a ...
    • 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 ...