Banca de QUALIFICAÇÃO: DOUGLAS FELIPE DE LIMA SILVA

Uma banca de QUALIFICAÇÃO de MESTRADO foi cadastrada pelo programa.
STUDENT : DOUGLAS FELIPE DE LIMA SILVA
DATE: 10/02/2022
TIME: 15:00
LOCAL: Google Meet
TITLE:

Assessment of the potential for degradation of priority petroleum-derived environmental contaminant compounds by bacteria isolated from petroleum-related samples

KEY WORDS:

Bioremediation, Microorganisms, Biotechnology, Metagenomics, Bioinformatics, Hydrocarbon Degradation, Oil.

PAGES: 26
BIG AREA: Ciências Biológicas
AREA: Biologia Geral
SUMMARY:

Petroleum is still the world's main energy source, consisting of a complex and homogeneous mixture composed of hydrocarbons and small fractions of molecules containing atoms of sulfur, oxygen and nitrogen. The growing demand for energy leads to an increase in the demand for oil and its derivatives, resulting in an increase in the risks of environmental contamination during all the processes involved in its production and distribution chain. Contamination of soils and marine environments resulting from large and small-scale leaks by hydrocarbons with toxic properties that make up petroleum seriously affect environmental quality. Among the existing strategies to mitigate the environmental impacts In the affected areas, bioremediation by bioaugmentation using organisms known to be capable of degrading such compounds is a more viable alternative than the strategies currently adopted. Among the numerous compounds that constitute the heterogeneous mixture of petroleum 179 are listed by environmental regulatory agencies worldwide as having priority for bioremediation due to their toxic and/or mutagenic potential. Therefore, through the sequencing of the complete genome of 22 bacterial isolates and the sequencing of the 16S gene, which resulted in the identification of 23 different species of bacteria that compose the Microorganism Bank of the Laboratory of Molecular Biology and Genomics, it was possible to identify the relationship between these isolates and 37 compounds reported as priorities by national and international regulatory agencies as well as the presence of genes related to such compounds among the bacteria in the bank and the degree of proximity between the isolates in terms of genetic composition for 20 Degradation and Metabolism Pathways of Xenobiotics reported by the KEGG database.

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