Journal
MICROBIAL CELL FACTORIES
Volume 8, Issue -, Pages -Publisher
BMC
DOI: 10.1186/1475-2859-8-46
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Funding
- MCYT (Spain) [BFU2006-03961/BMC]
- FEDER
- Programa de axudas para a consolidacion e a estruturacion de unidades de investigacion competitivas do sistema galego de I+D+I co apoio da Conseller a de Innovacion e Industria (Xunta de Galicia)
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A lot of studies have been carried out on Saccharomyces cerevisiae, an yeast with a predominant fermentative metabolism under aerobic conditions, which allows exploring the complex response induced by oxidative stress. S. cerevisiae is considered a eukaryote model for these studies. We propose Kluyveromyces lactis as a good alternative model to analyse variants in the oxidative stress response, since the respiratory metabolism in this yeast is predominant under aerobic conditions and it shows other important differences with S. cerevisiae in catabolic repression and carbohydrate utilization. The knowledge of oxidative stress response in K. lactis is still a developing field. In this article, we summarize the state of the art derived from experimental approaches and we provide a global vision on the characteristics of the putative K. lactis components of the oxidative stress response pathway, inferred from their sequence homology with the S. cerevisiae counterparts. Since K. lactis is also a well-established alternative host for industrial production of native enzymes and heterologous proteins, relevant differences in the oxidative stress response pathway and their potential in biotechnological uses of this yeast are also reviewed.
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