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Research Group on Environmental and Biomedical Viruses: Applications of Bacteriophages and Other Viruses in Global Health - EnBiVir

The Environmental and Biomedical Viruses Lab is located at the Insitute for Integrative Systems Biology (I2SysBio, UV-CSIC). Research at the EnBiVir lab is focused in the isolation and detection of viruses in nature with biomedical applications. Environmental virology, viral emergence, virus evolution, and phage discovery in the biomedical context, are the main research lines. Phages are ubiquitous in the environment and immensely diverse, making phage discovery a powerful source of new therapies against pathogenic bacteria, due to the emergence of multidrug-resistant strains. In addition, the lab is interested in environmental epidemiology, mainly in SARS-CoV-2 detection in wastewater and other natural environments, as a tool for monitoring populations and as early detection tool in surveillance. In addition, the group is interested in translational research, and has transfer contracts with national companies with biomedical and biotech purposes.

Research Group on Evolution and Health: Experimental Evolution and Epidemiology - EVOSALUD

Our research group is dedicated to a multi-scale study of evolutionary processes and the application of acquired knowledge to improve the health status of human collectives. This description is necessarily generic and ambiguous, and it focuses on a series of research activities that are detailed below:

  • Epidemiology and evolution of pathogenic microorganisms. We take advantage of the research capability granting us access to genetic information (gene sequences and genomes) on recent history and evolutionary processes that act and have acted on microorganisms, normally bacteria and viruses, and enable follow-up and monitoring as a way to track the origin of transmission paths, the introduction and expansion of genes and drug-resistant variants, etc.
  • Evolutionary systems biology. The recent developments in massive sequencing techniques and bioinformatics allow a rebuild of the evolutionary history of organisms, their genes and genomes, as well as that of components formed by all the various systems. The implementation of these methodologies in pathogenic organisms and their hosts makes us reach a better understanding on pathogenesis as well as alternatives and possibilities to act against them.
  • Mutation and viral evolution (VIRMUT). A mutation represents the ultimate source for genetic variation and, as such, a key factor that clarifies the great variability and rapid evolution of ARN viruses. In this field, we estimated the virus mutation rate in animals, plants and bacteriophages (RNA as well as DNA ones). As of today, we are working on an in vitro and in vivo mutation rates estimate of different, biomedically relevant human viruses, such as HIV-1 or hepatitis C. With the use of different experimental approximations, we count on being able to detect mechanisms yet unknown in the creation of RNA diversity.
  • Biologic complexity and robustness. The organisms’ capacity to withstand mutations (genetic or mutational robustness) determines the strength of natural selection and plays an important role in evolution. With the directed mutagenesis technique, we characterised the distribution of mutational effects based on the biological efficacy of various RNA viruses. This allowed us to observe notoriously low robustness levels. Moreover, our group pointed out the existence of a correlation between epistasis (interaction between genes or loci) and genomic complexity. The Systems Biology currently offers tools that allow to test these predictions.
  • Experimental evolution of oncolytic viruses. Different RNA viruses show a certain degree of spontaneous selectiveness towards cancer cells, which is convenient in potential candidates for the development of therapeutic applications. The vesicular stomatitis virus (VSV) is a RNA virus with natural oncolytic activity and it’s usually used in our laboratory for studies on experimental evolution. The VSV adaptation to different cancer cell lines by experimental evolution will enable the obtainment of potential oncolytics, provided it results in a relevant decrease of its efficacy in primary cells. The virus candidates will be tested in vivo through infections in mice.
Research Group on Ideapsychiatry, Research Excellence Group - GIEX-TMAP

We are the "Excellence PROMETHEUS PHASE II Group" of the GVA, G24 member of the Networked Biomedical Research Centre on Mental Health (CIBERSAM-ISCIII). Since 2013 we are active partners in Europe within the European Innovation Partnership on Active and Healthy Ageing (Acción 3) Cognitive Decline Group of the European Innovation Partnership for Active and Healthy Ageing (EIPAHA) Programme; we actively participate in defining a clinically useful position on Mild Cognitive Decline. We direct and coordinate the Assessment Unit for Personal Autonomy, Dependency and Mental Disorders (TMAP) located at the Faculty of Medicine UCIM-INCLIVA, with a service offer including biomechanical and neurocognitive assessments as part of the prevention of fragility signs in populations at risk. The TMAP Unit is the pioneer in carrying out and implementing assessments for patients with mental disorders and / or cognitive and functional deterioration in a comprehensive and personalised manner. These assessments are necessary to determine how people cope with everyday activities in case of disease or deterioration, and to provide them with useful information in order to apply measures allowing for an healthy and independent life.

From the group's formation in 2001 to its consolidation in 2007, work was carried out to contribute to the knowledge of cognitive and functional deficits of serious mental illnesses, with a special focus on schizophrenic and bipolar patients and their first-degree relatives. Currently, our knowledge is also focused on direct and inverse Multimorbidity in patients with complex diseases such as CNS disorders, cancer or metabolic diseases. The group can also be found in research areas such as: studies on disease burden (Global Burden of Disease studies), systematic review and networked meta-analysis, neurogenetics and cell therapy (stem cells,) and, finally, Nutritional Psychiatry.

Research Group on Imaging and Photonics - ImaFoton

Imaging Sciences represent a renewed research field in all its aspects, while also being a development for Physics that’s currently characterised by a frenetic scientific and innovative activity. Nowadays, the term “image” doesn’t only refer to optical imaging and its multiple techniques for analysis, rebuild and visualisation, but also to artificial, computer and three-dimensional vision, medical imaging and algorithms for image processing, among many other areas. In the last two decades, Imaging Science researches achieved a lot. There are multiple new microscopy procedures allowing to go over the classic resolution limit. The computer industry is particularly interested in the astonishing results of computer imaging techniques. The progress in obtaining images through turbid media allows to achieve good resolution for images involving, for example, deep tissue layers in living beings or the cosmos through telescopes located on the earth’s surface. The new non-invasive imaging modalities for in-vivo biologic material and the tools for the transfer of said knowledge and procedures to the study, diagnosis and treatment of illnesses. The entangled photons sources in quantum photonics allow to achieve high-quality images with low-level lighting. It’s also necessary to include many other areas in full development, such as adaptive optics, nuclear medicine imaging, photonic tweezers (which are offering new paths for the individual study of cells), new generations of spatial light modulators, etc.

On the other hand, the radiation associated with femtosecond laser systems present a series of singular properties: very short duration, high peak power, high spectral width and structured spectral coherence. The combination between Diffractive and Pulse Optics enabled the design of new technological applications for the micro and nanostructuring of surfaces, the in-volume processing of transparent samples such as glass or polymers, the fluorescence multiphoton stimulation in microscopy systems and the generation of other non-lineal effects in matter, such as filamentation.

Research Group on Membrane Proteins - MemProt Lab

The purposes of our projects are to explore the mechanistic principles of membrane protein insertion, folding and assembly into lipid membranes and to investigate the factors that determine membrane protein stability. Our interest focuses on protein/protein-interactions relevant for maintaining tertiary and quaternary structure and function of integral membrane protein complexes. More specifically, we investigate the role of membrane-spanning domains, i.e. of transmembrane segments. The study is performed through an exhaustive investigation of glycophorin A as a model dimeric membrane protein, and from the knowledge of this system we try to understand the structure and function of the pulmonary surfactant SP-C protein, an extremely hydrophobic membrane protein.

On the other hand, we are interested in the cell-to-cell transport of plant virus. This transport process is mediated by specialized viral movement proteins, which in same cases are membrane proteins, that drive the viral genome to the cellular membrane in order to be transported into neighbouring uninfected host cells through the plasmodesmal channel. We are currently investigating the targeting and the insertion mechanisms of these viral membrane proteins into the biological membranes.

Research Group on Parasites and Health - ParaSalut

The fundamentally basic research activity of the ParaSalut group covers different aspects of the relationship between health and parasites, in both humans and animals carrying parasitic diseases or their models. The group presents lines of work on parasitic diseases caused by Protozoa, as well as Helminths and Arthropods. All the lines are already in progress and have numerous publications, as shown on the group members’ resumes.

Protozoa: One of the group’s research lines focuses on the influence of intestinal parasites (mainly protozoa) on human nutrition, given that said parasites interfere directly or indirectly with the nutrient absorption processes, maldigestion and / or malabsorption. Therefore, this line consists of two main objectives: 1) study on the relationship between intestinal parasites and food intolerances to carbohydrates, and 2) studies on the relationship between intestinal parasites and mother-child nutrition, as well as the analysis of the nutritional status of mothers and children and the effect of parasitosis on child development.

Helminths: Different aspects of helminthic diseases are addressed with a focus on epidemiology, ecology and parasite-host relationships.

Epidemiology / ecology: There are two lines addressing aspects on epidemiology and ecology of diseases caused by helminths. One of them analyses the study on biological cycles, transmission and population dynamic of helminths in murine models that have shown to be good bio-indicators of the parasite-host relationship. These studies are complemented by the line working on the creation of Geographical Information Systems with the use of satellite images and thematic maps for epidemiology modelling and the transmission of human and animal parasites, and the influence of climate change on them. Likewise, studies on food-transmitted parasitic diseases are addressed in another line in which the study of anisakiasis in fish for human consumption represents its basic pillar.

Parasite-host relationships: the establishment of a parasitic disease results from the parasite succeeding over the host. The analysis for the established relationships between both are fundamental to know the factors said establishment depends on, thus enabling the implementation of adequate preventive measures. Likewise, the specificity of this relationship is a tool for the improvement of current diagnostic methods.  In these parasite-host relationships, extracellular vesicles (EVs) have lately proved to be a valuable instrument for these purposes.

The ParaSalud group develops a line on the study of EVs in different helminths of human and veterinary interest. Said EVs are isolated and characterised by their composition (proteins, miRNAs) and their use as target molecules for diagnosis, treatment and / or vaccination is experimentally evaluated. This previously undertaken research line is reinforced by other lines from the group working on the study of parasite-host relationships by techniques generally referred to as “omics”, including genomics, transcriptomics and proteomics.

The line on human Taeniasis / Cisticerosis is part of both aspects: epidemiological studies of materials from different countries, and ultrastructural as well as secretomics studies of the infective form of human cisticerosis, the egg.

Arthropods: Equally important are ectoparasite arthropods, considering that in addition to being vectors of parasitic diseases, they have their own pathogenic potential. The Medical Entomology line carries out the diagnosis and epidemiologic analysis of mosquitos populations, lice, bedbugs and myisis cases.