| Grant number: | 15/12093-9 |
| Support Opportunities: | Program for Research on Bioenergy (BIOEN) - Regular Program Grants |
| Start date: | September 01, 2015 |
| End date: | September 30, 2017 |
| Field of knowledge: | Biological Sciences - Microbiology - Biology and Physiology of Microorganisms |
| Principal Investigator: | Guilherme Targino Valente |
| Grantee: | Guilherme Targino Valente |
| Host Institution: | Faculdade de Ciências Agronômicas (FCA). Universidade Estadual Paulista (UNESP). Campus de Botucatu. Botucatu , SP, Brazil |
| City of the host institution: | Botucatu |
| Associated researchers: | Rejane Maria Tommasini Grotto |
Abstract
Nowadays the world demands to the reduction of fossil fuels is increasing and consequently the ethanol as a fuel has been shown as an excellent alternative source of energy. The yeast Saccharomyces cerevisiae is the microorganism most used to the ethanol production due to its high fermentative capacity and high resistance of stressors from this process. However, the ethanol concentration is one of the most limiting factors for the production of this fuel because the concentration increasing of this compound disturbs the cells and reduces the productivity. Usually the researches concerning the ethanol tolerance are prone to the biological description of this process or to the production/selection of more tolerant strains; on the other hand, the molecular and systemic aspects of this process are still poorly understood. Thus, the present project aim to generate and analyze the transcriptomes and proteomes of strains with different ethanol tolerances submitted to an experiment of this tolerance; the functional-comparative analysis will be the focus of this project to identify the systemic aspects relative to this phenotype. For this purpose, the differential expression analysis, protein-protein interactions, regulatory and metabolic networks will be retrieved, modeled, compared and the patterns for those systems will be extracted as well. The use of several techniques, methods, analysis, model constructions, pattern extraction and the further conclusions based on the expected results concerning the ethanol tolerance in S. cerevisiae phenomenon (which never was investigated under a systemic-integrative context as here proposed), will be the most important innovations brought with this project. (AU)
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