Thesis Collection
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Browsing by Author "Vigara Fernández, Javier"
Now showing items 1-20 of 21
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Antioxidant, Antimicrobial, and Bioactive Potential of Two New Haloarchaeal Strains Isolated from Odiel Salterns (Southwest Spain)
Gómez Villegas, Patricia; Vigara Fernández, Javier
; Vila Spinola, Marta; Varela, João; Barreira, Luísa; León Bañares, Rosa María (2020-09-18)
The need to survive in extreme environments has furnished haloarchaea with a series of components specially adapted to work in such conditions. The possible application of these molecules in the pharmaceutical and industrial ... -
Aplicaciones biotecnológicas y mediambientales de la microalga Chlorella sorokiniana
(Universidad de Huelva, 2021)El término microalga engloba a un grupo heterogéneo de microorganismos unicelulares que realizan fotosíntesis oxigénica y que han demostrado una gran capacidad para fijar CO2 y producir O2, con una eficiencia entre 10 ... -
Biochemical Characterization of the Amylase Activity from the New Haloarchaeal Strain Haloarcula sp. HS Isolated in the Odiel Marshlands
Gómez Villegas, Patricia; Vigara Fernández, Javier; Romero, Luis; Gotor, Cecilia; Raposo, Sara; Gonçalves, Brígida; León Bañares, Rosa María (MDPI, 2021-04)
Alpha-amylases are a large family of ,1-4-endo-glycosyl hydrolases distributed in all kingdoms of life. The need for poly-extremotolerant amylases encouraged their search in extreme environments, where archaea become ... -
Characterization of the Microbial Population Inhabiting a Solar Saltern Pond of the Odiel Marshlands (SW Spain)
Gómez Villegas, Patricia; Vigara Fernández, Javier; León Bañares, Rosa María (MDPI, 2018-09)
The solar salterns located in the Odiel marshlands, in southwest Spain, are an excellent example of a hypersaline environment inhabited by microbial populations specialized in thriving under conditions of high salinity, ... -
D-amino acid peptides as antimicrobial agents against vibrio-associated diseases in aquaculture
López Sanmartín, Montserrat; Rengel Domínguez, Rocío; López López, Manuel; Lebrón, José Antonio; Molina Márquez, Ana; Rosa Lucas, Ignacio de la; López Cornejo, Pilar; Cuesta, Alberto; Vigara Fernández, Javier; León Bañares, Rosa María (Elsevier, 2023)
Vibriosis is one of the most usual infection diseases in bivalve mollusks, particularly affecting seeds and larvae, which are more susceptible than adults to these bacterial infections. The devastating effect of vibriosis ... -
Dataset for proteomic analysis of Chlorella sorokiniana cells under cadmium stress
León Vaz, Antonio; Romero, Luis Carlos; Gotor, Cecilia; León Bañares, Rosa María; Vigara Fernández, Javier (2020-11-18)
Cadmium is one of the most hazardous heavy metal for aquatic environments and one of the most toxic contaminants for phytoplankton. This work provides the dataset associated with the research publication “Effect of cadmium ... -
Effect of cadmium in the microalga Chlorella sorokiniana: A proteomic study
León Vaz, Antonio; Romero, Luis C.; Gotor, Cecilia; León Bañares, Rosa María; Vigara Fernández, Javier (Elsevier, 2020-09)
Cadmium is one of the most common heavy metals in contaminated aquatic environments and one of the most toxic contaminants for phytoplankton. Nevertheless, there are not enough studies focused on the effect of this metal ... -
Effect of Selenate on Viability and Selenomethionine Accumulation of Chlorella sorokiniana Grown in Batch Culture
Gojkovic, Živan; Vílchez Lobato, Carlos; Torronteras Santiago, Rafael; Vigara Fernández, Javier; Gómez Jacinto, Verónica; Janzer, Nora; Gómez Ariza, José Luis; Márová, Ivana; Garbayo Nores, Inés (Hindawi Publishing Corporation, 2014)
The aim of this work was to study the effect of Se(+VI) on viability, cell morphology, and selenomethionine accumulation of the green alga Chlorella sorokiniana grown in batch cultures. Culture exposed to sublethal Se ... -
Enhanced wastewater bioremediation by a sulfur-based copolymer as scaffold for microalgae immobilization (AlgaPol)
León Vaz, Antonio; Cubero Cardoso, Juan; Trujillo Reyes, Ángeles; González Fermoso, Fernando; León Bañares, Rosa María; Funk, Christiane; Vigara Fernández, Javier; Urbano Baena, Juan (Elsevier, 2023)
In recent years, there has been an increasing concern related to the contamination of aqueous ecosystems by heavy metals, highlighting the need to improve the current techniques for remediation. This work intends to address ... -
El estrés abiótico en el metabolismo del nitrógeno y en el sistema antioxidante de la microalga acidófila
(Universidad de Huelva, 2017)Las microalgas son microorganismos eucarióticos unicelulares de muy variadas formas y tamaños capaces de realizar fotosíntesis oxigénica. Debido a la estructura celular sencilla de las microalgas, la acumulación de energía ... -
Exploring Nordic microalgae as a potential novel source of antioxidant and bioactive compounds
León Vaz, Antonio; León Bañares, Rosa María; Vigara Fernández, Javier; Funk; Funk, Christiane (Elsevier, 2023)
Nordic microalgae are a group of photosynthetic organisms acclimated to growth at low temperature and in varying light conditions; the subarctic climate offers bright days with moderate temperatures during summer and cold ... -
Impact of heavy metals in the microalga Chlorella sorokiniana and assessment of its potential use in cadmium bioremediation
León Vaz, Antonio; León Bañares, Rosa María; Giráldez Díaz, Inmaculada; Vega, José María; Vigara Fernández, Javier (Elsevier, 2021-10)
The chlorophyte microalga Chlorella sorokiniana was tested for the bioremediation of heavy metals pollution. It was cultured with different concentrations of Cu2+, Cd2+, As (III) and As (V), showing a significant inhibition ... -
Metabarcoding data of prokaryotes and eukaryotes inhabiting the phosphogypsum stockpiles on the salt marshes of Huelva (SW Spain)
Gómez Villegas, Patricia; Guzmán Guerrero, José Luis; Pérez Rodríguez, Miguel; Bolívar Raya, Juan Pedro; Vigara Fernández, Javier; León Bañares, Rosa María (Elsevier, 2022-02-22)
Around 100 Mt of phosphogypsum (PG) of extreme acidity and with high concentrations of heavy metals and radionuclides have been deposited on the salt marshes of the Tinto River estuary in Huelva (SW Spain) for more than ... -
Metabolic and molecular approaches for the integrated production of bioenergetic precursors in microalgae
(Universidad de Huelva, 2023)Microalgae are photosynthetic microorganisms with a great ability of adapting to adverse conditions, developing regulation mechanisms to maintain optimal carbon/nitrogen ratios in the cell for survival. When these ... -
Metagenomic characterization, bioactive properties and biotechnological applications of the extremophilic microorganisms inhabiting Odiel saltern ponds
(Universidad de Huelva, 2021)Extremophilic microorganisms are those that live under the most severe conditions for life on Earth, including extreme values of temperature, pressure, pH, radiation, or salinity, among others. What is really surprising ... -
Optimización de herramientas moleculares para la manipulación genética de microalgas y su aplicación en procesos de biofloculación
(Universidad de Huelva, 2015)Las microalgas son un grupo muy diverso de microorganismos foto sintéticos y eucariotas. Poseen un alto potencial biotecnológico debido a que son productores de numerosos compuestos bioactivos de interés industrial. La ... -
Simultaneous production of carotenoids and chemical building blocks precursors from chlorophyta microalgae
Rengel, Rocío; Díaz Blanco, Manuel Jesús; Giráldez Díaz, Inmaculada; García Domínguez, María Trinidad; Vigara Fernández, Javier; León Bañares, Rosa María (Elsevier, 2022-03-18)
Replacement of fossil fuels has to be accompanied by the incorporation of bio-based procedures for the production of fine chemicals. With this aim, the microalga Chlamydomonas reinhardtii was selected for its ability to ... -
The Bacterial Phytoene Desaturase-Encoding Gene (CRTI) is an Efficient Selectable Marker for the Genetic Transformation of Eukaryotic Microalgae
Molina Márquez, Ana; Vila Spinola, Marta; Vigara Fernández, Javier; Borrero, Ana; León Bañares, Rosa María (MDPI, 2019-03)
Genetic manipulation shows great promise to further boost the productivity of microalgae-based compounds. However, selection of microalgal transformants depends mainly on the use of antibiotics, which have raised concerns ... -
Up-Regulation of the Nrf2/HO-1 Antioxidant Pathway in Macrophages by an Extract from a New Halophilic Archaea Isolated in Odiel Saltworks
Ávila Román, Javier; Gómez Villegas, Patricia; Carvalho, Carla C. C. R. de; Vigara Fernández, Javier; Motilva, Virginia; León Bañares, Rosa María; Talero, Elena (MDPI, 2023-05)
The production of reactive oxygen species (ROS) plays an important role in the progression of many inflammatory diseases. The search for antioxidants with the ability for scavenging free radicals from the body cells that ... -
Using agro-industrial wastes for mixotrophic growth and lipids production by the green microalga Chlorella sorokiniana
León Vaz, Antonio; León Bañares, Rosa María; Díaz-Santos, Encarnación; Vigara Fernández, Javier; Raposo, Sara (2019-02-06)
There has been growing interest in the use of microalgae for the production of biofuels, but production costs continue to be too high to compete with fossil fuel prices. One of the main limitations for photobioreactor ...
