Now showing items 21-40 of 115

    Dissercting the activities of Capicua, Dorsal and Groucho in Drosophila dorsoventral patterning 

    Papagianni, Aikaterini (Date of defense: 2017-09-14)

    During early development of bilaterian animals, specific body structures are formed and body axes are established. The establishment of body axes requires the precise and coordinated function of signalling pathways and ...

    CRP-cAMP mediated silencing of virulence expression in Salmonella enterica serovar Typhimurium 

    El Mouali Benomar, Youssef (Date of defense: 2017-09-15)

    The regulation of the expression of virulence genes in Salmonella enterica serovar Typhimurium is an intensively studied feature of Salmonella lifestyle. How Salmonella integrates environmental signals to activate ...

    Caracterización del mecanismo molecular por el cual la vía WNT/Bcatenina especifica el eje anteroposterior y controla la organogénesis en las planarias 

    Sureda Gómez, Miquel (Date of defense: 2017-09-15)

    La vía Wnt canónica es una vía de señalización muy conservada a lo largo de la evolución de los animales. Esta vía controla múltiples procesos como es la especificación del eje anteroposterior o el destino celular durante ...

    Novel Lipases: Expression and Improvement for Applied Biocatalysis = Nuevas lipasas: expresión y mejoras para biocatálisis aplicada 

    Infanzón Ramos, Belén (Date of defense: 2017-09-15)

    This thesis is focused in the identification and improvement of lipases for biotechnological application. The importance of lipases is increasing in several industries. However, the commercial use of lipases is still a ...

    Functional analyses of candidate genes for osteoporosis : RUNX2 and LRP5 interplay during differentiation of the hFOB human osteoblast cell line 

    Gholami, Behjat (Date of defense: 2017-09-18)

    Osteoporosis is a general skeletal disorder. It is characterized by a low bone mass and a microarchitectural deterioration of bone tissue, which increase bone fragility and susceptibility to fracture. LRP5 is a widely ...

    Pathophysiology of osteoarthritis 

    Farrán Díaz-Cano, Aina (Date of defense: 2017-09-21)

    Osteoarthritis (OA) is a multifactorial disease characterized by a progressive degeneration and eventual failure of the synovial joint functionality. Although it has been traditionally considered as an exclusive disease ...

    Evolutionary recruitment and assembly of embryonic alternative splicing programs: insights form the Deuterostomia lineage 

    Burguera Hernández, Demian (Date of defense: 2017-09-22)

    In the present work, we studied the evolution of alternative splicing (AS) from different perspectives. First, we performed a preliminary analysis where we identified alternative exons with tissue-specific regulation in ...

    Role of early postnatal nutrition during lactation in offspring metabolic health programming 

    Ribó Gené, Sílvia (Date of defense: 2017-12-01)

    Childhood obesity and overweight can often cause severe complications, including hypertension, dyslipidemia, insulin resistance, type 2 diabetes, and non-alcoholic fatty liver disease, amongst other disorders. Several ...

    Estudio de la especialidad sináptica en el sistema visual de Drosophila melanogaster 

    Fernández Pineda, Alejandra (Date of defense: 2017-12-12)

    El establecimiento de conexiones sinápticas específicas entre neuronas es esencial para la formación de los circuitos neuronales. En muchos sistemas esto requiere de una extensión hacia una capa sináptica concreta y la ...

    Analysis and coordination of different mechanisms controlling tube elongation during the development of the embryonic system in Drosophila melanogaster 

    Olivares Castiñeira, Ivette (Date of defense: 2017-12-20)

    The tracheal (respiratory) system of the Drosophila embryo is a network of interconnected epithelial tubes that supplies and exchanges the gas to maintain the homeostasis of the entire organism. Maintaining a controlled ...

    Analysis of the genomic distribution of linker histone H1 variants in human = Anàlisi de la distribució genòmica de les variants d'histona H1 en humans 

    Izquierdo Bouldstridge, Andrea (Date of defense: 2018-03-13)

    Seven linker histone H1 variants are present in human somatic cells with distinct prevalence across cell types. Using variant-specific antibodies to H1 and hemagglutinin-tagged recombinant H1 variants expressed in breast ...

    The role of the zebrafish tbx5 paralogues during eye, pectoral fin and heart development. 

    Pi Roig, Aina (Date of defense: 2018-04-06)

    Tbx5 is a transcription factor expressed in the developing eyes, heart and upper limbs. Mutations in human TBX5 cause Holt-Oram syndrome (HOS), a condition characterised by heart and upper limb malformations. In zebrafish, ...

    Los bacteriófagos como elementos de transmisión genética horizontal de resistencias a antibióticos y toxinas Stx 

    Quirós Fernández, Pablo (Date of defense: 2018-04-12)

    Tanto los genes de resistencia a antibióticos (ARGs) como algunos genes de virulencia son movilizados entre las poblaciones bacterianas por elementos genéticos móviles (MGE). La transferencia horizontal de genes (HGT) está ...

    Rol del gen de pigmentació MC1R en la susceptibilitat a malalties neurodegeneratives 

    Tell Martí, Gemma (Date of defense: 2018-05-07)

    El gen MC1R (codi OMIM: #155555) codifica pel receptor de la melanocortina 1 (MC1R) que s’expressa majoritàriament a la membrana dels melanòcits i està implicat en la regulació de la síntesi de melanina. El gen MC1R és ...

    Control strategies and gene expression dynamics of the plant pathogen Ralstonia solanacearum = Estratègies de control i dinàmica d'expressió gènica en el fitopatogen Ralstonia solanacearum 

    Puigvert Sànchez, Marina (Date of defense: 2018-06-05)

    The plant pathogen Ralstonia solanacearum is the causal agent of bacterial wilt, a highly aggressive disease responsible for important worldwide economic losses. Many virulence factors in R. solanacearum have been already ...

    Pathogen-triggered programmed cell death in plants: Metacaspase 1-dependent pathways = Muerte celular programada desencadenada por patógenos en plantas: vías dependientes de Metacaspasa 1 

    Lema Asqui, Saúl Stalin (Date of defense: 2018-06-08)

    The hypersensitive response (HR) is a paradigmatic type of programmed cell death, that occurs in response to pathogen recognition at the site of attempted invasion. Notwithstanding more than a century of research on HR, ...

    Determinación de la contaminación microbiológica del agua de riego aplicando nuevas estrategias de análisis 

    Cárdenas Youngs, Yexenia I. (Date of defense: 2018-06-20)

    Esta tesis doctoral tuvo como objetivo principal identificar y cuantificar la presencia de bacterias patógenas, mediante el uso de indicadores de contaminación fecal y Legionella en aguas de riego aplicando métodos ...

    Oikopleura dioica com a model animal per investigar l'impacte de les pèrdues gèniques en l'Evo-Devo: les vies de senyalització de l'àcid retinoic i Wnt com a cas d'estudi 

    Martí Solans, Josep (Date of defense: 2018-09-07)

    El creixent nombre de genomes seqüenciats està posant de manifest que la pèrdua gènica és un fenomen recurrent que pot haver generat diversitat al llarg de la història evolutiva dels diferents grups d’organismes. En aquest ...

    Sortida del virus de l'hepatitis A dels hepatòcits: implicacions en la selecció d'antivirals 

    Castellarnau Serra, Montserrat de (Date of defense: 2018-09-20)

    El virus de l’hepatitis A (HAV), el prototip del gènere Hepatovirus, té una sèrie de característiques que el diferencien de la resta de membres de la família Picornaviridae. Entre aquestes, la via de sortida descrita ...

    Characterization of genetic factors associated with melanoma susceptibility and prognosis 

    Potrony Mateu, Míriam (Date of defense: 2018-09-28)

    Melanoma is the malignant tumor arising from melanocytes and is the most aggressive of the common skin cancers. Melanoma is the tumor with the highest heritability (58%) and around 10% of cases occur in a familial context. ...