Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5739767 | Research in Microbiology | 2017 | 8 Pages |
Abstract
Studies dealing with the response of microorganisms to oxidative stress require the dissolution of oxidant agents in an appropriate solvent. A commonly used medium is dimethyl sulfoxide, which has been considered as an innocuous polar solvent. However, we have observed significant differences between control, untreated cells and those receiving increasing amounts of the oxidant and hence increasing amounts of DMSO, to the maximum allowed of 1%. Here we show that, while this solvent does not influence yeast cell viability, it does affect expression of cell wall proteins as well as catalase activity. Therefore, its use in future studies of oxidative stress as an innocuous solvent should be reconsidered.
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Authors
MarÃa Cristina León-GarcÃa, Emmanuel RÃos-Castro, Everardo López-Romero, Mayra Cuéllar-Cruz,