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TitleBiotechnological application of Yarrowia lipolytica for biotransformation in biphasic media
Author(s)Gomes, Nelma
Aguedo, Mário
Teixeira, J. A.
Belo, Isabel
Issue date2005
PublisherUniversidade Católica Portuguesa. Escola Superior de Biotecnologia
CitationMICROBIOTEC, Póvoa de Varzim, Portugal, 2005 – “Micro’05-Biotec’05 : livro de actas do Congresso MICROBIOTEC’2005”. Porto : Escola Superior de Biotecnologia da Universidade Católica Portuguesa, 2005. p. 85.
Abstract(s)The yeast Yarrowia lipolytica is able to grow on hydrophobic substrates such as oils, alkanes, fatty acids1. This characteristic notably offers interesting prospects in different industrial areas: food (production of aroma compounds2, organic acids, proteins), environment (degradation of hydrophobic polluting agents), pharmacy and others (production of lipases, of “single cell oils”). With the growing interest of this species, the fundamental studies have increased, concerning mainly the dimorphism, metabolic pathways such as peroxisomal beta-oxidation or the one leading to the production of carboxylic acids. In some cases it has turned a model for the study of fundamental cell aspects, as in the generation of peroxisomes or in the interactions with lipid droplets. The entire genome of Y. lipolytica has been sequenced recently. Investigation has been made in our laboratory to better understand the behaviour of the yeast in biphasic media. Thus, the studies of the surface properties of the cells3, of the oxygen diffusion within the medium and of beta-oxidation have been emphasized, with the main application: production of the fruity aroma gammadecalactone through biotransformation of methyl ricinoleate. Our last results concerning this application will be presented, namely the optimization of the process in a bioreactor.
AccessOpen access
Appears in Collections:CEB - Resumos em Livros de Atas / Abstracts in Proceedings

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