Browsing by Author "Cid, Ángeles"
Now showing items 1-20 of 56
-
A Comparison of the Relative Sensitivity of Structural and Functional Cellular Responses in the Alga Chlamydomonas eugametos Exposed to the Herbicide Paraquat
Franqueira, Dolores; Cid, Ángeles; Torres, Enrique; Orosa García, Miguel; Herrero, Concepción (Springer, 1999-04)The effect of the herbicide paraquat on the freshwater microalga Chlamydomonas eugametos was studied in function of different parameters such as growth, elemental composition, total lipids, and photosynthetic pigments ... -
Acute effects of a prooxidant herbicide on the microalga Chlamydomonas reinhardtii: Screening cytotoxicity and genotoxicity endpoints
Esperanza, Marta; Cid, Ángeles; Herrero, Concepción; Rioboo, Carmen (Elsevier, 2015-08)Since recent evidence has demonstrated that many types of chemicals exhibit oxidative and/or genotoxic potential on living organisms, reactive oxygen species (ROS) formation and DNA damage are currently the best accepted ... -
Alteration of photosynthesis related parameters of Chlamydomonas moewusii stressed by paraquat
Cid, Ángeles; Franqueira, Dolores; Rioboo, Carmen; Prado, Raquel; Herrero, Concepción (Research Trends, 2008)Paraquat toxic action on the freshwater microalga Chlamydomonas moewusii was determined by several physiological parameters. ATP content seems to be the most sensitive parameter analyzed; it was reduced by the lowest ... -
Analysis and enhancement of astaxanthin accumulation in Haematococcus pluvialis
Orosa García, Miguel; Franqueira, Dolores; Cid, Ángeles; Abalde, Julio (Elsevier, 2005-02)The green microalga Haematococcus pluvialis was cultured with different concentrations of NaNO3 to determine the effect on cell growth and astaxanthin accumulation. The optimum nitrate concentration to obtain astaxanthin ... -
Analysis of the effects of BP-3 and BP-4 on the transcriptome of Chlamydomonas reinhardtii: An RNA-Seq approach
Cid, Ángeles; Esperanza, Marta; Blanes-Rodríguez, Manuel; Seoane, Marta (Springer, 2023)[Abstract] Benzophenones (BPs) are one of the most widely used UV-filters and previous flow cytometric studies have shown that these aquatic emerging pollutants alter the physiology of the freshwater microalga Chlamydomonas ... -
Assessment of cytotoxicity biomarkers on the microalga "Chlamydomonas reinhardtii" exposed to emerging and priority pollutants
Míguez López, Laura; Esperanza, Marta; Seoane, Marta; Cid, Ángeles (Elsevier, 2020-11-17)[Abstract] Contamination of aquatic ecosystems linked to anthropogenic activity is currently a major concern; therefore, ecotoxicological studies are needed to assess its effect on organisms. The main objective of this ... -
Astaxanthin Production in Cysts and Vegetative Cells of the Microalga Haematococcus Pluvialis Flotow
Herrero, Concepción; Orosa García, Miguel; Abalde, Julio; Rioboo, Carmen; Cid, Ángeles (Nova Science Publishers, 2012) -
Atrazine induced changes in elemental and biochemical composition and nitrate reductase activity in Chlamydomonas reinhardtii
Fernández-Naveira, Ánxela; Rioboo, Carmen; Cid, Ángeles; Herrero, Concepción (Taylor & Francis, 2016)Herbicides play an important role in agricultural practices but the introduction of these compounds into the aquatic environment can have severe consequences for non-target organisms such as microalgae. The ubiquitous green ... -
Atrazine-Induced Chlorosis in Synechococcus elongatus Cells
González Barreiro, Óscar; Rioboo, Carmen; Cid, Ángeles; Herrero, Concepción (Springer, 2004)The effects of a widely used herbicide, atrazine, on the freshwater cyanobacterium Synechococcus elongatus were studied. The cyanobacteria were exposed to varying concentrations of atrazine (0.025, 0.05, 0.1, 0.25, and ... -
Carotenoid accumulation in Haematococcus pluvialis in mixotrophic growth
Orosa García, Miguel; Franqueira, Dolores; Cid, Ángeles; Abalde, Julio (Springer, 2001-03)The microalga Haematococcus pluvialis was cultured with NaNO3 from 0 to 1 g l−1 and optimal growth was obtained at 0.15 g l−1. Sodium acetate and malonate (from 0 to 2% w/v) enhanced the accumulation of astaxanthin three ... -
Cell proliferation alterations in Chlorella cells under stress conditions
Rioboo, Carmen; O’Connor, José Enrique; Prado, Raquel; Herrero, Concepción; Cid, Ángeles (2009-09)[Abstract]Very little is known about growth and proliferation in relation to the cell cycle regulation of algae. The lack of knowledge is even greater when referring to the potential toxic effects of pollutants on microalgal ... -
Characterization of cell response in Chlamydomonas moewusiicultures exposed to the herbicide paraquat: Induction of chlorosis
Prado, Raquel; Rioboo, Carmen; Herrero, Concepción; Cid, Ángeles (2011-03)[Abstract] The use of herbicides constitutes the principal method of weed control, but the introduction of these compounds into the aquatic environment can provoke severe consequences for non-target organisms such as ... -
Chlamydomonas Reinhardtii Cells Adjust the Metabolism to Maintain Viability in Response to Atrazine Stress
Esperanza, Marta; Seoane, Marta; Rioboo, Carmen; Herrero, Concepción; Cid, Ángeles (Elsevier, 2015-05-19)[Abstract] Chlamydomonas reinhardtii cells were exposed to a sublethal concentration of the widespread herbicide atrazine for 3 and 24 h. Physiological parameters related to cellular energy status, such as cellular ... -
La citometría de flujo como herramienta para el estudio del efecto tóxico de diferentes contaminantes sobre microalgas
Cid, Ángeles; Franqueira, Dolores; Orosa García, Miguel; Torres, Enrique (Universidade da Coruña, 1999) -
Comparison of the sensitivity of different toxicity test endpoints in a microalga exposed to the herbicide paraquat
Prado, Raquel; García Díaz, Rosa; Rioboo, Carmen; Herrero, Concepción; Abalde, Julio; Cid, Ángeles (2009-02)[Abstract]The use of herbicides constitutes the principal method of weed control but the introduction of these compounds into the aquatic environment can provoke severe consequences for non-target organisms such as microalgae. ... -
Copper toxicity on the marine microalga Phaeodactylum tricornutum: effects on photosynthesis and related parameters
Cid, Ángeles; Herrero, Concepción; Torres, Enrique; Abalde, Julio (Elsevier, 1995-02)Essential heavy metals, as copper, can be toxic for microalgae at high concentrations. Copper affected growth and other parameters closely related to photosynthesis of the marine diatom Phaeodactylum tricornutum. A copper ... -
Crecimiento y composición bioquímica de la microalga marina Tetraselmis suecica en cultivos mixotróficos con distintos azúcares y aminoácidos
Cid, Ángeles; Abalde, Julio; Herrero, Concepción (Station Biologique de Roscoff, 1992)[Résumé] Croissance et composition biochimique de la microalgue TetrasellIIis sllecica dans des cultures mixotrophiques avec différents sucres et aminoacides. Trois sucres, fructose, saccharose et manose et trois acides ... -
Culture of the marine diatom Phaeodactylum tricornutum with different nitrogen sources: Growth, nutrient conversion and biochemical composition
Fidalgo Paredes, Pablo; Cid, Ángeles; Abalde, Julio; Herrero, Concepción (Station Biologique de Roscoff, 1995)[Abstract] Cultures of the marine diatom Phaeodaetylum trieornutum were grown in nitrate, nitrite, ammonia or urea media. Nitrogen transformation efficiencies were close to 100% in cultures with nitrate, nitrite or urea, ... -
Cytotoxic effects of pesticides on microalgae determined by flow cytometry
Rioboo, Carmen; Prado, Raquel; Herrero, Concepción; Cid, Ángeles (Nova Science Publishers, 2009)As much as ca. 99.7% of the applied load of pesticides is dispersed in the environment, not reaching the target pests. In this way, pesticides enter into aquatic ecosystems from agricultural runoff or leaching and, as a ... -
Cytotoxicity of BP-3 and BP-4: Blockage of Extrusion Pumps, Oxidative Damage and Programmed Cell Death on Chlamydomonas reinhardtii
Anido Varela, Laura; Seoane, Marta; Esperanza, Marta; Cid, Ángeles; Rioboo, Carmen (Elsevier, 2022-09-07)[Abstract] The health concern associated with the dangers related to exposure to UV radiation has led to an increase in the use of sunscreens containing UV-filters that can reach aquatic environments and possibly affect ...
