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Electrical stimulation of saccharomyces cerevisiae cultures BJM
Araújo,Ofelia Q.F.; Coelho,Maria Alice Z.; Margarit,Isabel C.P.; Vaz-Junior,Carlos A.; Rocha-Leão,Maria Helena M..
Modulation of cell endogenous membrane potential by an external electrical field influences the structure and function of membrane compartments, proteins and lipid bi-layer. In this work, the effects of applied potential on Saccharomyces cerevisiae growth were characterized through simple yet conclusive experiments. Cell growth time profile and cell division were investigated as macroscopic response to the electrical stimulation. Control experiments were conducted under identical conditions except for the absence of applied potential. Through comparative analysis, electrical stimulation was verified to alter cell cycle as smaller sized population was observed, suggesting that a synchrony in cell division was promoted. Power spectral analysis was employed...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Electrochemical stress; Saccharomyces cerevisiae; Cell cycle; Viability.
Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822004000100016
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