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Celia Casas
Researcher at University of Lleida
Publications - 19
Citations - 630
Celia Casas is an academic researcher from University of Lleida. The author has contributed to research in topics: Saccharomyces cerevisiae & Gene. The author has an hindex of 11, co-authored 17 publications receiving 554 citations.
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Journal ArticleDOI
The Production of Reactive Oxygen Species Is a Universal Action Mechanism of Amphotericin B against Pathogenic Yeasts and Contributes to the Fungicidal Effect of This Drug
Ana Cecilia Mesa-Arango,Nuria Trevijano-Contador,Elvira Román,Ruth Sánchez-Fresneda,Celia Casas,Enrique Herrero,Juan Carlos Argüelles,Jesús Pla,Manuel Cuenca-Estrella,Oscar Zaragoza +9 more
TL;DR: The data demonstrate that the production of ROS by AMB is a universal and important action mechanism that is correlated with the fungicidal effect and might explain the low rate of resistance to the molecule.
Journal ArticleDOI
Amphotericin B mediates killing in Cryptococcus neoformans through the induction of a strong oxidative burst.
Fernanda Sangalli-Leite,Liliana Scorzoni,Liliana Scorzoni,Ana Cecilia Mesa-Arango,Ana Cecilia Mesa-Arango,Celia Casas,Enrique Herrero,Maria José Soares Mendes Gianinni,Juan L. Rodriguez-Tudela,Manuel Cuenca-Estrella,Oscar Zaragoza +10 more
TL;DR: The results indicate that in C. neoformans, Amphotericin B causes intracellular damage mediated through the production of free radicals before damage on the cell membrane, measured by propidium iodide uptake.
Journal ArticleDOI
The aft1 transcriptional factor is differentially required for expression of high-affinity iron uptake genes in saccharomyces cerevisiae
TL;DR: It is demonstrated that AFT1 protein is required for maintaining detectable non‐induced levels of FET3 expression and for induction of FRE2 in iron starvation conditions, and it might link induction of genes for iron uptake to other metabolically dominant requirements for cell growth.
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Prokaryotic and eukaryotic monothiol glutaredoxins are able to perform the functions of Grx5 in the biogenesis of Fe/S clusters in yeast mitochondria.
TL;DR: Results underline the functional conservation of Grx5 homologues throughout evolution and compartmentalize the Escherichia coli and Synechocystis sp.
Journal ArticleDOI
Saccharomyces cerevisiae Grx6 and Grx7 Are Monothiol Glutaredoxins Associated with the Early Secretory Pathway
TL;DR: Both Grx6 and Grx7 have measurable oxidoreductase activity in vivo, which is increased in the presence of tunicamycin, which could be responsible for the regulation of the sulfhydryl oxidative state at the oxidant conditions of the early secretory pathway vesicles.