Now showing items 21-40 of 159

    • Lack of the PGA exopolysaccharide in Salmonella as an adaptive trait for survival in the host 

      Echeverz Sarasúa, Maite Upna; García Martínez, Begoña Upna; Sabalza Baztán, Amaia; Valle Turrillas, Jaione Upna; Gabaldón Estevan, Juan Antonio; Solano Goñi, Cristina Upna; Lasa Uzcudun, Íñigo Upna (Public Library of Science, 2017)   Artículo / Artikulua  OpenAccess
      Many bacteria build biofilm matrices using a conserved exopolysaccharide named PGA or PNAG (poly-β-1,6-N-acetyl-D-glucosamine). Interestingly, while E. coli and other members of the family Enterobacteriaceae encode the ...
    • Lacanobia oleracea nucleopolyhedrovirus (LaolNPV): a new European species of alphabaculovirus with a narrow host range 

      Simón de Goñi, Oihane; Erlandson, Martin A.; Frayssinet, Marie; Williams, Trevor Upna; Theilmann, David A.; Volkoff, Anne Nathalie; Caballero Murillo, Primitivo Upna (Public Library of Science, 2017)   Artículo / Artikulua  OpenAccess
      During an insect sampling program in alfalfa crops near Montpellier, France in 2011, Lacanobia oleracea larvae were collected that died due to nucleopolyhedrovirus infection (LaolNPV). This virus was subjected to molecular ...
    • Resveratrol therapeutics combines both antimicrobial and immunomodulatory properties against respiratory infection by nontypeable Haemophilus influenzae 

      Euba, Begoña; López López, Nahikari; Rodríguez Arce, Irene; Fernández Calvet, Ariadna; Barberán, Montserrat; Caturla, Nuria; Martí, Sara; Díez Martínez, Roberto; Garmendia, Junkal (Springer Nature, 2017)   Artículo / Artikulua  OpenAccess
      The respiratory pathogen nontypeable Haemophilus influenzae (NTHi) is an important cause of acute exacerbation of chronic obstructive pulmonary disease (AECOPD) that requires efficient treatments. A previous screening ...
    • Mechanisms of ammonium toxicity and the quest for tolerance 

      Esteban Terradillos, Raquel; Ariz, Idoia Upna; Cruz, Cristina; Morán Juez, José Fernando Upna (Elsevier, 2016)   Artículo / Artikulua  OpenAccess
      Ammonium sensitivity of plants is a worldwide problem, constraining crop production. Prolonged application of ammonium as the sole nitrogen source may result in physiological and morphological disorders that lead to decreased ...
    • Staphylococcal Bap proteins build amyloid scaffold biofilm matrices in response to environmental signals 

      Taglialegna, Agustina Upna; Navarro, Susanna; Ventura, Salvador; Garnett, James A.; Matthews, Steve; Penadés, José R.; Lasa Uzcudun, Íñigo Upna; Valle Turrillas, Jaione Upna (Public Library of Science, 2016)   Artículo / Artikulua  OpenAccess
      Major components of the biofilm matrix scaffold are proteins that assemble to create a unified structure that maintain bacteria attached to each other and to surfaces. We provide evidence that a surface protein present in ...
    • Post-entry blockade of small ruminant lentiviruses by wild ruminants 

      Sanjosé, Leticia; Crespo, Helena Upna; Blatti-Cardinaux, Laure; Glaría Ezquer, Idoia Upna; Martínez Carrasco, Carlos; Berriatua, Eduardo; Amorena Zabalza, Beatriz Upna; Andrés Cara, Damián de Upna; Bertoni, Giuseppe; Reina Arias, Ramsés Upna (BioMed Central, 2016)   Artículo / Artikulua  OpenAccess
      Small ruminant lentivirus (SRLV) infection causes losses in the small ruminant industry due to reduced animal production and increased replacement rates. Infection of wild ruminants in close contact with infected domestic ...
    • 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. ...
    • 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 ...
    • Both free indole-3-acetic acid and photosynthetic performance are important players in the response of Medicago truncatula to urea and ammonium nutrition under axenic conditions 

      Esteban Terradillos, Raquel; Royo Castillejo, Beatriz; Urarte Rodríguez, Estíbaliz; Zamarreño, Ángel M.; García Mina, José M.; Morán Juez, José Fernando Upna (Frontiers Media, 2016)   Artículo / Artikulua  OpenAccess
      We aimed to identify the early stress response and plant performance of Medicago truncatula growing in axenic medium with ammonium or urea as the sole source of nitrogen, with respect to nitrate-based nutrition. Biomass ...
    • Iberian red deer: paraphyletic nature at mtDNA but nuclear markers support its genetic identity 

      Carranza, Juan; Salinas, María; Andrés Cara, Damián de Upna; Pérez González, Javier (Wiley, 2016)   Artículo / Artikulua  OpenAccess
      Red deer populations in the Iberian glacial refugium were the main source for postglacial recolonization and subspecific radiation in north-western Europe. However, the phylogenetic history of Iberian red deer (Cervus ...
    • 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 ...
    • 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 ...
    • Iflavirus increases its infectivity and physical stability in association with baculovirus 

      Jakubowska, Agata K.; Murillo Pérez, Rosa Upna; Carballo Palos, Arkaitz; Williams, Trevor Upna; Lent, Jan W. M. van; Caballero Murillo, Primitivo Upna; Herrero, Salvador (PeerJ, 2016)   Artículo / Artikulua  OpenAccess
      Virus transmission and the prevalence of infection depend on multiple factors, including the interaction with other viral pathogens infecting the same host. In this study, active replication of an iflavirus, Spodoptera ...
    • Transformed recombinant enrichment profiling rapidly identifies HMW1 as an intracellular invasion locus in Haemophilus influenzae 

      Mell, Joshua Chang; Viadas Martínez, Cristina Upna; Moleres Apilluelo, Javier; Sinha, Sunita; Fernández Calvet, Ariadna; Porsch, Eric A.; St. Geme, Joseph W.; Nislow, Corey; Redfield, Rosemary J.; Garmendia, Junkal (Public Library of Science, 2016)   Artículo / Artikulua  OpenAccess
      Many bacterial species actively take up and recombine homologous DNA into their genomes, called natural competence, a trait that offers a means to identify the genetic basis of naturally occurring phenotypic variation. ...
    • Volatile compounds emitted by diverse phytopathogenic microorganisms promote plant growth and flowering through cytokinin action 

      Sánchez López, Ángela María; Baslam, Marouane; Muñoz Pérez, Francisco José; Bahaji, Abdellatif; Almagro Zabalza, Goizeder Upna; Ricarte Bermejo, Adriana; García-Gómez, Pablo; Baroja Fernández, Edurne Upna; Pozueta Romero, Javier Upna (John Wiley & Sons, 2016)   Artículo / Artikulua  OpenAccess
      It is known that volatile emissions from some beneficial rhizosphere microorganisms promote plant growth. Here we show that volatile compounds (VCs) emitted by phylogenetically diverse rhizosphere and non-rhizhosphere ...
    • Arabidopsis responds to Alternaria alternata volatiles by triggering pPG-independent mechanisms 

      Sánchez López, Ángela María; Bahaji, Abdellatif; Diego, Nuria de; Baslam, Marouane; Li, Jun; Muñoz Pérez, Francisco José; Almagro Zabalza, Goizeder Upna; García-Gómez, Pablo; Ameztoy del Amo, Kinia; Ricarte Bermejo, Adriana; Novák, Ondrej; Humplik, Jan F.; Spíchal, Lukás; Dolezal, Karel; Ciordia, Sergio; Mena, María Carmen; Navajas, Rosana; Baroja Fernández, Edurne Upna; Pozueta Romero, Javier Upna (American Society of Plant Biologists, 2016)   Artículo / Artikulua  OpenAccess
      Volatile compounds (VCs) emitted by phylogenetically diverse microorganisms (including plant pathogens and microbes that do not normally interact mutualistically with plants) promote photosynthesis, growth, and the ...
    • 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 ...
    • Post-harvest light treatment increases expression levels of recombinant proteins in transformed plastids of potato tubers 

      Larraya Reta, Luis María Upna; Fernández San Millán, Alicia Upna; Ancín Rípodas, María Upna; Farrán Blanch, Inmaculada Upna; Veramendi Charola, Jon Upna (Wiley, 2015)   Artículo / Artikulua  OpenAccess
      Plastid genetic engineering represents an attractive system for the production of foreign proteins in plants. Although high expression levels can be achieved in leaf chloroplasts, the results for non-photosynthetic plastids ...
    • 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, Valeria; Corigliano, M; Yácono, María del L.; Pariani, S; Sánchez, E; Veramendi Charola, Jon Upna; Clemente, Marina (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 ...
    • Leaf δ15N as a physiological indicator of the responsiveness of N2-fixing alfalfa plants to elevated CO2, temperature and low water availability 

      Ariz, Idoia Upna; Cruz, Cristina; Neves, Tomé; Irigoyen, Juan J.; García Olaverri, Carmen Upna; Nogués, Salvador; Aparicio Tejo, Pedro María Upna; Aranjuelo Michelena, Iker (Frontiers Media, 2015)   Artículo / Artikulua  OpenAccess
      The natural 15N/14N isotope composition (δ15N) of a tissue is a consequence of its N source and N physiological mechanisms in response to the environment. It could potentially be used as a tracer of N metabolism in plants ...